Loading...
HomeMy WebLinkAboutAPA3431cr () r+- ~ !.::::JineJrg \:;) ,~ r\- r0 N) BEFORE THE FEDERAL ENERGY REGULATORY COMMISSION APPLICATION FOR LICENSE FOR MAJOR PROJECT SUSITNA HYDROELECTRIC PROJECT DRAFT LICENSE APPLICATION VOLUME 7 EXHIBIT E CHAPTER 2 -WATER USE AND QUALITY TABLES AND FIGURES ARLI~·,., Alaska Resources Library &InformatlOn Sen'~:' Anchorage,I~b··: November 1985 -,K 1i-{2.,S .S ~ F'1rl Vl.t>.3l.f?>/ ;.',f ,f'.i~" f..-.i •.... '\I) J ,\ ) J ,') i 'j ,J Ir VOLUME COMPARISON DESCRIPTIONCHAPTER VOLUME NUMBER COMPARISON LICENSE APPLICATION AMENDMENT VS.JULY 29,1983 LICENSE APPLICATION JULY 29,1983 AMENDMENT APPLICATION VOLUME NO.VOLUME NO.EXHIBIT A Entire Project Description 1 1 B Entire Project Operation and Resource Utilization 2 2 &2A App.B1 MAP Model Documentation Report 3 2B App.B2 App.B3 RED Model Documentation Report RED Model Update 4 4 2C C Entire Proposed Construction Schedule S 1 D Entire App.Dl Project Costs and Financing Fuels Pricing S 5 1 1 E 1 2 General Description of Locale 6 Water Use and Quality 6 SA SA Tables Figures 7 SA SB Figures 8 SB 3 Fish,Wildlife and Botanical 9 Resources (Sect.1 and 2) 6A 6B Fish,Wildlife and Botanical 10 Resources (Sect.3) 6A 6B FiSh,Wildlife and Botanical 11 Resources (Sect.4,5,6,&7) 6A 6B 4 S 6 Socioeconomic Impacts Geological and Soil Resources 7 7 7 7 8 9 Recreational Resources Aesthetic Resources Land Use 13 13 13 8 8 8 I -l 10 11 Alternative Locations, and Energy Sources Agency Consultation Designs 14 14 9 lOA lOB F F Entire Entire Project Design Plates Supporting Design Report 15 16 3 G Entire Project Limits and Land Ownership Plates 17 4 J ...J ) ] :1 SUMMARY TABLE OF CONTENTS "J SUSITNA HYDROELECTRIC PROJECT LICENSE APPLICATION SUMMARY TABLE OF CONTENTS EXHIBIT A PROJECT DESCRIPTION Title 1 -PROJECT STRUCTURES -WATANA STAGE I (**)•. . Page No. A-1-2 1.1 General Arrangement (**) 1".2 -Dam Embankment (**) 1.3 -Diversion (**)•.... 1.4 -Emergency Release Facilities (**).•... 1.5 -Outlet Facilities (**)..•. 1.6 -Spillway (**)..... 1.7 -This section deleted .•••• 1.8 -Power Intake (**) 1.9 -Power Tunnels and Penstocks (**) 1.10 -Powerhouse (**). 1.11 -Tailrace (**)• •••••••• 1.12 -Main Access Plan (**) 1.13 -Site Facilities (**). 1.14 -Relict Channel (***) A-1-2 A-1-4 A~1-6 A-1-9 A-I-IO A-l-13 A-I-IS A-I-IS .A-1-18 A-1-19 A-1-22 A-1-23 A-1-2S A-1-29 2 -RESERVOIR DATA -WATANA STAGE I (**) 3 -TURBINES AND GENERATORS -WATANA STAGE I (**) 3.1 -Unit Capacity (**) 3.2 -Turbines (***).. 3.3 -Generators (**) 3.4 -Governor System (0) . . A-2-1 A-3-1 A-3-1 A-3-1 A-3-1 A-3-3 . . m o ".......q ..q ooo LO LO "('I) 4 -APPURTENANT MECHANICAL AND ELECTRICAL EQUIPMENT - WATANA STAGE I (**)•••••••••••••• 4.1 -Miscellaneous Mechanical Equipment (**) 4.2 -Accessory Electrical Equipment (**) 4.3 -SF6 Gas-Insulated 345 kV Substation (GIS)(***) 5 -TRANSMISSION FACILITIES FOR WATANA STAGE I (0) 5.1 -Transmission Requirements (0) 5.2 -Description of Facilities (0) S.3 -Construction Staging (0)••• A-4-1 A-4-1 A-4-S A-4-12 A-S-l A-S-l A-S-l A-S-ll 851014 ~ SUMMARY TABLE OF CONTENTS (cont'd) 7 -DEVIL CANYON RESERVOIR STAGE II (*) EXHIBIT A PROJECT DESCRIPTION 6.1 -General Arrangement (**)••.. 6.2 -Arch Dam (**)• .•...•.0 6.3 -Saddle Dam (**).0 ••0 ••• 6.4 Diversion (**).••.. 6.5 -Outlet Facilities (**) 6.6 -Spillway (**)•••• 6.7 -Emergency Spillway •• (This section deleted) 6.8 -Power Facilities (*)0 ••••••0 •• 6.9 -Penstocks (**). • • ..0 • • • • • • • 6.10 -Powerhouse and Related Structures·(**).•... 6.11 -Tailrace Tunnel (*)0 ••0 •• 6.12 -Access Plan (**) 6.13 -Site Facilities (*)..0 • ') .\ J J 1./ J .j J ) ] A-6-1 A-6-2 A-6-4 A-6-6 A-6-8 A-6-10 A-6-12 A-7-1 A-6-1 A-6-12 A-6-13 A-6-14 A-6-17 A-6-17 A-6-18 Page No. .. . . Title 6 -PROJECT STRUCTURES -DEVIL CANYON STAGE II (**) 8--~INES··ANDGENERA.;rORS-DEVI-L·GAN¥ON·S'J.!AGE·II·(**.).oi .-·A-a-I-· ..~.!.L.=..Mi s c~ll<:lne o.us Me~ha nica 1.~W.Qme Il.t (Q.L~.•0 • •'..A.-:-9.-:-1 9.2 -Accessory Electrical Equipment (0)0 '0 ••0 • 0 A-9-3 9.3 -Switchyard Structures and Equipment (0).0 ••0 0 A-9-6 8.1 -Unit Capacity (**) 8.2 -Turbines (**) 8.3 -Generators (0)0 • 8.4 -Governor System (0) 9 -APPURTENANT EQUIPMENT -DEVIL CANYON STAGE II (0).• 10 -TRANSMISSION LINES -DEVIL CANYON STAGE II (**) 11 -PROJECT STRUCTURES -WATANASTAGE III (***) U ...Ic....G~Jlet;'a,l ..:At;'.t;'a,ngementJ~~)•0 11.2 -Dam Embankment (***)0 • 0 11.3 -Diversion (***).0 0 •• 11.4 -Emergency Release Facilities (***) A-8-1 A-8-1 A-8-1 A-8-2 A-9-1 A-lO-l A-ll-l A--ll-l A-1l-3 A-1l-5 A-1l-6 ,, ) 851014 11 SUMMARY TABLE OF CONTENTS (cont'd) EXHIBIT A PROJECT DESCRIPTION Title 11.5 -Outlet Facili ties (***)·. .·11.6 -Spillway (***).· · · · ·. .·· · · ·11.7 -Power Intake (**"k)·· ·· · · · ·11.8 -Power Tunnel and Pens t"ocks (***)· · · ·11.9 -Powerhouse (***)··· · . . 11.10 -Trailrace (***)· · ···.11.11 -Access Plan (***)· ·· · · · · ·11.12 -Site Fad Ii ties (***) 11.13 -Relict Channel (***)· · · · · · · 12 -RESERVOIR DATA -WATANA STAGE III (***)· ·· · · · 13 -TURBINES AND GENERATORS -WATANA STAGE III (***) 13.1 -Unit Capacity (***)... 13.2 -Turbines (***) 13.3 -Generators (***) 13.4 -Governor System (***) 14 -APPURTENANT MECHANICAL AND ELECTRICAL EQUIPMENT - WATANA STAGE III (***)•~•~• • • • • • • • 14.1 -Miscellaneous Mechanical Equipment (***). 14.2 -Accessory Electrical Equipment (***).. 15 -TRANSMISSION FACILITIES -WATANA STAGE III (***) 15.1 Transmission Requirements (***). 15.2 Switching and Substations (***).... 16 -LANDS OF THE UNITED STATES (**) Page No. A-11-6 A-11-7 A-1l-8 A-ll-11 A-11-11 A-ll-13 A-l1-13 A-ll-13 A-l1-13 A-12-1 A-13-1 A-13-1 A-13-1 A-13-1 A-13-1 A-14-1 A-14-1 A-14-1 A-15-1 A-15-1 A-15-1 A-16-1 17 -REFERENCES 851014 . ... . . .. 111 A-17-1 SUMMARY TABLE OF CONTENTS (cont'd) \-:~l \:J EXHIBIT B PROJECT OPERATION AND RESOURCE UTILIZATION Ii ~i Title 1 ...DAMSITE SELECTION (***)• • •.. ..• • 0 Page No. B-l-1 5 ...STATEMENT OF POWER NEEDS AND UTILIZATION (***) 4.1 -Plant and System Operation Requirements (***) 4.2 -Power and Energy Production (***)..• ) J ] I J ] 'j B-3-1 B-2-1 B-2-1 B-2-1 B-2-22 B-2-48 B-1-12 B-1-17 B-1-1 B-1-4 B-1-5 B-2-60 B-2-67 B-2-83 B-2-131 B-3-1 B-3-6 B-3-20 B-4-1 B-4-10 B-5-1 B"'5-1 B-5-1 B-5-17 B-5-47 ·.. ·.. ·... . .. 1.1 -Previous Studies (***)•.••• 1.2 -Plan Formulation and Selection Methodology (***). 1.3 -Damsite Selection (***)...•.....•... 1.4 -Formulation of Susitna Basin Development Plans (***). . . • . • • 1.5 -Evaluation of Basin Development Plans (***) 5.1 -Introduction (***).•......•..... 5.2 -Description of the Railbelt Electric Systems (***) 5.3 -Forecasting Methodology (***).. 5.4 -Forecast of Electric Power Demand (***) 3.1 -Hydrology (***)••••••••• 3.2 -Reservoir Operation Modeling (***)•.•.. 3.3 -Operational Flow Regime Selection (*~~) 2.1 -Susitna Hydroelectric Development (***) 2.2 -Watana Project Formulation (***)...•. 2.3 -Selection of Watana General Arrangement (***) 2.4 -Devil Canyon Project Formulation (***). 2.5 -Selection of Devil Canyon General Arrangement (***)• • . • . •.,.. • • . 2.6 -Selection of Access Road Corridor (***) 2.Z -Selection-of Transmission Facil ities (*.,b~).~ 2.8 -Selection of Project Operation (***) =po~iEii AND ENERGY PRODUCTION 2 -ALTERNATIVE FACILITY DESIGN,PROCESSES AND OPERATIONS (***)..• • • •0 • • • • • • • 3-DESCRIPTION OF PROJECT OPERATION (***) 6 ...FUTURE SUSITNA BASIN DEVELOPMENT (***) 7 ...REFERENCES .. . . .. . . . .. . .. . B-6-1 B-7-1 ,,~ .1 851Q14 SUMMARY TABLE OF CONTENTS (cont'd) EXHIBIT B -APPENDIX BI MAN-IN-THE-ARCTIC PROGRAM (MAP) TECHNICAL DOCUMENTATION REPORT STAGE MODEL (VERSION AS5.1) REGIONALIZATION MODEL (VERSION AS4.CD) SCENARIO GENERATOR Title Stage Model Page No. I. 2. 3. 4. 5. 6. 7. 8. 9. 10. II. 12. 13. I·ntroduction •••••••'. Economic Module Description Fiscal Module Description Demographic Module Description Input Variables •••• • • • • • Variable and Parameter Name Conventions •.•• Parameter Values,Definitions and Sources Model Validation and·Properties ..••• Input Data Sources • • • • • • •.••.•• Programs for·Model Use.. . • • .•••• Model Adjustments for Simulation •• • • • Key to Regressions •. • • . • • . • • Input Data Archives •••••••••..•.•• 1-1 2-1 3-1 4-1 5-1 6-1 .7-1 8-1 9-1 10-1 11-1 12-1 13-1 Regionalization Model I. 2. 3. 4. 5. 6. 7. 8. 9. ~O. Model Description • • • • Flow Diagram • • • • Model Inputs • • • Variable and Parameter Names • Parameter Values • Model Validation •••••••• Programs for Model • • • • • • • Model Listing ••••.•.••.••••• Model Parameters • •. . • • . • . • • • . Exogenous,Policy,and Startup Values 1 5 7 9 13 31 38 39 57 61 Scenario Generator Introduction • . • • • • • • • • . • . • 1.Organization of the Library Archives ••••. 2.Using the Scenario Generator . • . . • • • . 3.Creating,Manipulating,Examining,and Printing Library Files • 4.Model Output • • • • . . • . • . . 1 1 8 14 22 851014 v 6 -THE BUSINESS CONSUMPTION MODULE 7 -PRICE-ELASTICITY •'."....• . J J ) 1 1 I 1 J -1 . 1 j I ] I 1 .1 ( ( 1 Page No. 1.1 2.1 3.1 4.1 5.1 6.1 7.1 8.1 9.1 10.1 11.1 12.1 13.1 Vl ----·-SUMMAR¥-TABLE--OF--CONTEN1!S-{cone-t d)-- EXHIBIT B -APPENDIX B2 RAILBELT ELECTRICITY DEMAND (RED)MODEL TECHNICAL DOCUMENTATION REPORT (1983 VERSION) 13 -MISCELLANEOUS TABLES 11 -THE PEAK DEMAND MODULE 5 ~THE RESIDENTIAL CONSUMPTION MODULE 12 -MODEL VALIDATION 10 -LARGE INDUSTRIAL DEMAND 851014 Title 3 -UNCERTAINTY MODULE • 2 -OVERVIEW • • 1 -INTRODUCTION 8 -THE PROGRAM-INDUCED CONSERVATION MODULE 4 -THE HOUSING MODULE 9 -THE MISCELLANEOUS MODULE SUMMARY TABLE OF CONTENTS (cont'd) EXHIBIT B -APPENDIX B3 RAILBELT ELECTRICITY DEMAND (RED)MODEL CHANGES MADE JULY 1983 TO AUGUST 1985 Title 1 -INTRODUCTION 2 -RED MODEL PRICE ADJUSTMENT REVISIONS 3 -RESIDENTIAL CONSUMPTION MODULE 4 -BUSINESS SECTOR 5 -PEAK DEMAND 6 -EFFECT OF THE MODEL CHANGES ON THE FORECASTS Page No. 1.1 2.1 3.1 4.1 5.1 6.1 851014 vii SUMMARY TABLE OF CONTENTS (cont'd) EXHIBIT C PROPOSED CONSTRUCTION SCHEDULE 1.1 -Access (*).• • •••• ••••• 1.2 -Site Facilities (**)••••• 1.3 -Diversion (**)••••••••••• 1.4 -Dam Embankment (**)• • • • ••••• 1.5 -Spillway and Intakes (**)••••••••• 1.6 -Powerhouse and Other Underground Works (**) 1.7 -Relict Channel (**)• • • • • • • • •••• 1.8 -Transmission Lines/Switchyards (*)••••• 1.9 -General (**)••••••••••••• 2 -DEVIL CANYON STAGE'II SCHEDULE (**) 'I r )'J ) ), \J I'{ "j' Il i )1 C-2-1 C-l-1 C-I-2 C-1-2 C-I-2 C-I-2 C-I-3 C-I-3 C-1-3 C-I-3 C-I-3 Page No. . . •.0.G e •0 e. .1 -WATANA STAGE I SCHEDULE (**) Title 3.1 -Access (***)• • • •C-3-1 3.2 -Site Facilities (***)• • • • • • • • •••C-3-1 3.3 -Dam Embankment (***)••••••••C-3-1 ....._-···················-3·.4···_··-Spillway--and··lnt-akes··{***.)-........-•.•-.•-.•..•...•··········8-3--2······ ...-...-.._~~_.....3.•-5....=...··P.ow.erhou s e-and··Other-·Und er·g:r·oun d··Wo-r.k s-(-**.)....•...•-····C·=..3=2-·- 3.6 -Relict Channel (***)•••••••••C-3-2 3.7 -Transmission Lines/Switchyards (***)C-3-2 3.8 -General (***)• • • • • • • • •• •..C-3-2 2.1 -Access (**)••••••••••••• 2.2 -Site Facilities (**)•~ 2.3 -Diversion (*)• 2.4 -Arch Dam (**)•••••• 2.5 -Spillway and Intake (*)•••• 2.6 -Powerhouse and Other Underground Works (0) 2~7 -Transmlss-ionLines1Swt·c·ch-yards··C*} 2.8 General (*)•••• 3 -WATANA STAGE III SCHEDULE (***) 4 -EXISTING TRANSMISSION SYSTEM (***) ... C-2-1 C-2-1 C-2-1 C-2-1 C-2-2 C-2-2 ··C:..;.2;;;;2 . C-2-2 C-3-1 C-4-1 851014 V~ll r i SUMMARY TABLE OF CONTENTS (cont'd) EXHIBIT D PROJECT COSTS AND FINANCING Title 1 -ESTIMATES OF COST (**)• • • • • • •D • • • •.. Page No. 0-1-1 1.1 -Construction Costs (**).•... 1.2 -Mitigation Costs (**). .. 1.3 -Engineering and Administration Costs (*) 1.4 -Operation,Maintenance and Replacement Costs (**) 1.5 -Allowance for Funds Used During Construction (AFDC)(**)•••••• 1.6 -Escalation (**)•............. 1.7 -Cash Flow and Manpower Loading'Requirements (**). 1.8 -Contingency (*). '. 1.9 -Previously Constructed Project Facilities (*) 2 -EVALUATION OF ALTERNATIVE EXPANSION PLANS (***)• 2.1 -General (***)••••.•••.•• 2.2 -Hydroelectric Alternatives (***) 2.3 -Thermal Alternatives (***) 2.4 -Natural Gas~Fired Options (***). 2.5 -Coal-Fired Options (***). . 2.6 -The Existing Railbelt Systems (***). 2.7 -Generation Expansion Before 1996 (***) 2.8 -Formulation of Expansion Plans Beginning in 1996 (***)••••••••••••••• 2.9 Selection of Expansion Plans (***). 2.10 -Economic Development (***). 2.11 -Sensitivity Analysis (***). 2.12 -Conclusions (***).... 0-1-1 0-1-6 0-1-7 0-1-10 0-1-11 0-1-12 0-1-12 0-1-13 0-1-13 0-2-1 0-2-1 0-2-1 0-2-10 0-2-10 0-2-19 0-2-24 0-2-27 0-2-28 0-2-33 0-2-39 0-2-44 0-2-46 3 -CONSEQUENCES OF LICENSE DENIAL (***). ... . .0-3-1 3.1 -Statement and Evaluation of the Consequences of License Oenial (***).. 3.2 -Future Use of the Oamsites if the License is Denied (***) 4 -FINANCING (***)• • • • • • • • • • • • • • • • 4.1 -General Approach and Procedures (***) 4.2 -Financing Plan (***).... 4.3 -Annual Costs (***)••.. .. . . 0-3-1 0-3-1 0-4-1 0-4-1 0-4-1 0-4-3 851014 lX SUMMARY TABLE OF CONTENTS (cont'd) EXHIBIT D PROJECT COSTS AND FINANCING Title .Page No. ,I I :J 1 4.4 -Market Value of Power (***). 4.5 -Rate Stabilization (***) 4.6 -Sensitivity of Analyses (***) 5 -REFERENCES (***) 851014 •eo.• • • • • • • x •Q 0 • • 0 D-4-4 D-4-4 D-4-4 D-5-1 1 I l \ ";1 1 ~ 1, 1 I 1: J l "\ ] SUMMARY TABLE OF CONTENTS (cont'd) EXHIBIT D -APPENDIX D1 FUELS PRICING Title 1 -INTRODUCTION (***). . ... . Page No. 01-1-1 2 -WORLD OIL PRICE (***)• •eo.• •01-2-1 2.1 -The Sherman H.Clark Associates Forecast (***) 2'.2 -The Composite oil Price Forecast (***) 2.3 -The Wharton Forecast (***) 01-2-1 01-2-2 01-2-5 3 -NATURAL GAS (***). . . . .II •0 •01-3-1 3.1 -Cook Inlet Gas Prices (***) 3.2 -Regulatory Constraints on the Ava i labi li ty of Natural Gas (***)• . . . . . . . . . . . . . 3.3 -Physical Constraints on the Availability of Cook Inlet Natural Gas Supply (*~k). 3.4 -North Slope Natural Gas (***) 01-3-1 01-3-10 01-3-12 01-3-20 4 -COAL (***)II •II •• • • • • •II •01-4-1 4.1 -Resources and Reserves (***) 4.2 -Oemand and Supply (***). . . .... 4.3 -Present and Potential Alaska Coal Prices (***) 4.4 -Alaska Coal Prices Summarized (***) 01-4-1 01-4-3 01-4-4 01-4-10 5 -DISTILLATE OIL (***). . . . . .• 0 • • • • •01-5-1 5.1 -Availability (***) 5.2 -Oistillate Price (***) 01-5-1 01-5-1 6 -REFERENCES 851014 • • • • • • • • • • • • • • • • 0 Xl. 01-6-1 SUMMARY TABLE OF CONTENTS (cont'd) EXHIBIT E -CHAPTER 1 GENERAL DESCRIPTION OF THE LOCALE Title Page No. .j J 'I 1j 1 -GENERAL DESCRIPTION (*)• • • 1.1 -General Setting (**) 1.2 -Susitna Basin (*)• 2 -REFERENCES 3 -GLOSSARY • • • • • • 0 •G • • • • • • e •e e 0 0 0 •e c e • • •eo.• •00. •e • • •• •e 0 X11 E-l-1-1 E-1-1-1 E~1-1-2 E-1-2-1 E-1-3-1 ( I i \ 1 j \ I '\ Ij 'l I I \ I 1- SUMMARY TABLE OF CONTENTS (cont'd) EXHIBIT E -CHAPTER 2 WATER USE AND QUALITY Title Page No. 1 -INTRODUCTION (**)• • • • 2 -BASELINE DESCRIPTION (**)• e e e • • • • •E-2-1-1 E-2-2-1 2.1 -Susitna River Morphology (**) 2.2 -Susitna River Water Quantity (**) 2.3 -Susitna River Water Quality (**).· · · .. 2.4 -Baseline Ground Water Conditions (**).... 2.5 -Existing Lakes,Reservoirs,and Streams (**) 2.6 -Existing Instream Flow Uses (0)· · · ·2.7 -Access Plan (**)·· · · . 2.8 -Transmission Corridor (**).· · · · 3 -OPERATIONAL FLOW REGIME SELECTION (***)· 3.1 -Project Reservoir Characteristics (***) 3.2 -Reservoir Operation Modeling (***).. 3.3 -Development of Alternative Environmental Flow Cases (***). 3.4 -Detailed Discussion of Flow Cases (***). 3.5 -Comparison of Alternative Flow Regimes (***). 3.6 -Other Constraints on Project Operation (***) 3.7 -Power and Energy Production (***)..... 4 -PROJECT IMPACT ON WATER QUALITY AND QUANTITY (**)• 4.1 -Watana Development (**). 4.2 -Devil Canyon Development (**). . . . . 4.3 -Watana Stage III Development (***). 4.4 -Access Plan (**). 5 -AGENCY CONCERNS AND RECOMMENDATIONS (**) 6 -MITIGATION,ENHANCEMENT,AND PROTECTIVE MEASURES (**)• 6.1 -Introduction (*). 6.2 -Mitigation -Watana Stage I -Construction (**) 6.3 -Mitigation -Watana Stage I -Impoundment (**). E-2-2-3 E-2-2-12 E-2-2-19 E-2~2-46 E-2-2-49 E-2-2-50 E-2-2~63 E-2-2-64 E-2-3-1 E-2-3-1 E-2-3-2 E-2-3-6 E-2-3-17 E-2-3-37 E-2-3-43 E-2-3-53 E-2-4-1 E-2-4-7 E-2-4-110 E-2-4-160 E-2-4-211 E-2-5-1 E-2-6-1 E-2-6-1 E-2-6-1 E-2-6-S 851014 Xlll SUMMARY TABLE OF CONTENTS (cont'd) EXHIBIT E -CHAPTER 2 WATER USE AND QUALITY 1 :J Title Page No.i 6.4 -Watana Stage I Operation (**).· ··.E-2-6-7 .\6.5 -Mitigation -Devil Canyon Stage II- Construction (**). .. .·· · ..E-2-6-13 6.6 -Mitigation -Devil Canyon Stage II - Impoundment (**)....E-2-6-13 6.7 -Mitigation -Devil Canyon/Watana Operation (**)E-2-6-13 6.8 -Mitigation -Watana Stage III - Construction (***).· ··E-2-6-15 6.9 Mitigation -Watana Stage III Impoundment/Construction (***)E-2-6-16 6.10 -Mi tigation -Stage III Operation (***)E-2-6-16 6.11 -Access Road and Transmission Lines (***)E-2-6-18 7 -REFERENCES 8 -GLOSSARY • 0 • • • • •••0 • • • • • • • • • • • • • 0 • • • • • • • • • • • • • 0 ••••• • • E-2-7-1 E-2-8-1 .~..._..._------ 851014 XJ.v .\ ] SUMMARY TABLE OF CONTENTS (cont'd) EXHIBIT E -CHAPTER 3 FISH,WILDLIFE,AND BOTANICAL RESOURCES Title Page No. 1 -INTRODUCTION (0)E-3-1-1 1.1 -Baseline Descriptions (0) 1.2 -Impact Assessments (*) 1.3 -Mitigation Plans (*) 2 -FISH RESOURCES OF THE SUSITNA RIVER DRAINAGE (**)• 2.1 -Overview of the Resources (**).... 2.2 -Species Biology and Habitat Utilization in the Susitna River Drainage (*)... 2.3 -Anticipated Impacts To Aquatic Habitat (~k) 2.4 -Mitigation Issues and Mitigating Measures (**) 2.5 -Aquatic Studies Program (*). 2.6 -Monitoring Studies (**). 2.7 -Cost of Mitigation (***).•........ 2.8 -Agency Consultation on Fisheries Mitigation Measures (**). . . • . E-3-1-1 E-3-1-1 E-3-1-3 E-3-2-1 E-3-2-1 E-3-2-14 E-3-2-104 E-3-2,-244 E-3-2-279 E-3-2-280 E-3-2-303 E-3-2-304 3 -BOTANICAL RESOURCES (**) 3.1 -Introduction (*).•.. 3.2 -Baseline Description (**) 3.3 -Impacts (**)•••• 3.4 -Mitigation Plan (**) .. . . . .....E-3-3-1 E-3-3-1 E-3-3-6 E-3-3-34 E-3-3-63 4 -WILDLIFE (**)••••. . . . . . . ..E-3-4-1 4.1 -Introduction (*) 4.2 -Baseline Description (**) 4.3 -Impacts (*).. 4.4 -Mitigation Plan (**).•.. 5 -AIR QUALITY/METEOROLOGY (***)• 5.1 -Introduction (***). 5.2 -Existing Conditions (***). 5.3 -Expected Air Pollutant Emissions (***). 5.4 -Predicted Air Quality Impacts (***). E-3-4-1 E-3-4-3 E-3-4-110 E-3-4-248 E-3-5-1 E-3-5-1 E-3-5-1 E-3-5-2 E-3-5-3 851014 xv SUMMARY TABLE OF CONTENTS (cont'd) EXHIBIT E -CHAPTER 3 FISH,WILDLIFE,AND BOTANICAL RESOURCES Title Page No. 5.5 -Regulatory Agency Consultations (***)• STATUS,HABITAT USE AND RELATIVE ABUNDANCE OF BIRD SPECIES IN THE MIDDLE SUSITNA BASIN PRELIMINARY LIST OF PLANT SPECIES IN THE INTERTIE AREA (THIS SECTION HAS BEEN DELETED AND ITS INFORMATION INCORPORATED INTO ApPENDIXE3.3.) PLANT SPECIES IDENTIFIED IN SUMMERS OF 1980 AND 1981 IN THE UPPER AND MIDDLE SUSITNA RIVER BASIN,THE DOWNSTREAM FLOODPLAIN,AND THE INTERTIE .\ ( 'j J. 1 1 1 E-3-7-1 E-3-6-l E-3-5-3 .. . . ... . . . ... •0 • 0 • • • • • • • •e 0 0 • 0 0 . . ... FISH AND WILDLIFE MITIGATION POLICY ENVIRONMENTAL GUIDELINES MEMORANDUM (THIS APPENDIX HAS BEEN DELETED) E3.3 E2.3 6 -REFERENCE • E4.3 E5.3 E1.3 APPEN;DICES 7-GLOSSARY ~6.3 E}.3 E8.3 E9.3 _.EIO.3 E1l.3 851014 STATUS AND RELATIVE ABUNDANCE OF BIRD SPECIES OBSERVED ON THE LOWER SUSITNA BASIN DURING GROUND SURVEYS CONDUCTED JUNE 10 THE JUNE 20,19'82 .SCIENTIETC.-NAMESOF-MAMMALSRECIES-FQUNDINTHE METHODS USED TO DETERMINE MOOSE BROWSE UTILIZATION AND CARRYING CAPACITY WITHIN THE MIDDLE SUSITNA BASIN EXPLANATION AND JUSTIFICATION OF ARTIFICIAL NEST MITIGATION (THIS SECTlpN HA~.BI!:~.N'P.ELETE.D) PERSONAL COMMUNICATIONS .•(.THISSECTIONHAS -BEEN DELETED) EXISTING AIR QUALITY AND METEOROLOGICAL CONDITIONS xvi SUMMARY TABLE OF CONTENTS (cont'd) EXHIBIT E -CHAPTER 4 HISTORIC AND ARCHEOLOGICAL RESOURCES Title Page No. 1 -INTRODUCTION AND SUMMARY (**)• 1.1 -Program Objectives (~k) 1.2 -Program Specifics (**) · . ..· . . . E-4-1-1 E-4-1-4 E-4-1-4 2 -BASELINE DESCRIPTION (**)• •·..E-4-2-1 2.1 -The Study Area (**)· · · ·E-4-2-1 2.2 -Methods -Archeology and History (**)E-4-2-2 2.3 -Methods -Geoarcheo10gy (**)··. .E-4-2-10 2.4 -Known Archeological and Historic Sites in the Project Area (**)· ·· · · · E-4-2-12 2.5 -Geoarcheo1ogy (**)..· · . .· · · · ···E-4-2-13 3 - EVALUATION OF AND IMPACT ON HISTORICAL AND ARCHEOLOGICAL SITES (**)··. .· · · ·· · · . .E-4-3-1 3.1 -Evaluation of Selected Sites Found: Prehistory and History of the Middle Susitna Region (**)• • • • • • • • • . • • • . • 3.2 -Impact on Historic and Archeological Sites (**). E-4-3-1 E-4-3-4 4 ~MITIGATION OF IMPACT ON HISTORIC AND ARCHEOLOGICAL SITES(**)• • • • • 4.1 -Mitigation Policy and Approach (**) 4.2 -Mitigation Plan (**)•••. ·..E-4-4-1 E-4-4-1 E-4-4-2 5 -AGENCY CONSULTATION (**)· . . ... . . E-4-5-1 6 -REFERENCES 7 -GLOSSARY 851014 .. ... . ....'. . E-4-6-1 E-4-7-1 SUMMARY TABLE OF CONTENTS (cont'd) EXHIBIT E -CHAPTER 5 SOCIOECONOMIC IMPACTS Title 1 -INTRODUCTION (**)• • • •..· ..·. . Page No.' E-5-l-1 2 -BASELINE DESCRIPTION (**)• •· ..· . . E-5-2-1 2.1 -Identification of Socioeconomic Impact Areas (**)• • • • • • • • • • • •••• • 2.2 -Description of Employment,Population,Personal Income and Other Trends in the Impact Areas (**) E-5-2-1 E-5-2-1 3 -EVALUATION OF THE IMPACT OF THE PROJECT.(**)· . . E-5-3-1 E-5-3-65 E-5-3-59 Fiscal Impact Analysis:Evaluation of Incremental Local Government ExpeIlditures and Revenues (**)• • • • • • • Local and Regional Impacts on Resource User Groups (**)• 3.7 - 3.1 -Impact of In-migration of People on Governmental Faci li ties and Services (**)•••••.•E-5-3-2 3.2,-On-site Worker Requirements and Payroll, by Year and Month (**)••••••.•••E-5-3-32 3.3 -Residency and Movement of Project Construction Personnel (**)• • • • • • • •E-5-3-35 3.4 -Adequacy'of Available Housing in Impact Areas (***)••••E-5-3-39 3.5 -Displacement and Influences on Residences and ---Bus-inesses-{*-*-}-.-...-.•....-.--i--.......-E-5 -3-49 3.6 - E-5-4-1 E-5-4-2 •_._._,--!.-~E.::5-4-1 ..__ • • . •E-5~4-1 • • • • •E-5-4-2 . . ... .. . . . . .. . 4.1 -Introduction (**) 4.2 -Background and Approach (**) 4.3 -Attitudes Toward Changes (This section deleted) 4.4 -Mitigation Objectives and Measures (**) 4 -MITIGATION (**)• • j I 851014 xviii J I SUMMARY TABLE OF CONTENTS (cont'd) EXHIBIT E -CHAPTER 5 SOCIOECONOMIC IMPACTS Title 5 -MITIGATION MEASURES RECOMMENDED BY AGENCIES(**)... . Page No. E-5-5-l 5.1 -Alaska Department of Natural Resources (DNR)(**) 5.2 -Alaska Department of Fish and Game (ADF&G)(*). 5.3 -u.S.Fish and Wildlife Service (FWS)(*) 5.4 -Summary of Agencies'Suggestions for Further Studies that Relate to Mitigation (**)..... E-5-5-l E-5-5-l E-5-5-2 E-5-5-2 6 -REFERENCES 851014 . . . . ... .. . . . .. xix • • • • 0 E-6-6-l SUMMARY TABLE OF CONTENTS (cont'd) 3.1 -Reservoir-Induced Seismicity (RIS)(*)•••.•E-6-3-1 3.2 -Seepage (*)• • • • • • . • •E-6-3-4 3.3 Reservoir Slope Failures (**). . . . .E-6-3-4 3.4 -Permafrost Thaw (*)• • • • . •E-6-3-11 3~5 -Seismically-Induced Failure (*)E-6-3-11 3·.·6·-Reservo-il"F'reeboa·l"d Eor-W-ind-waves·E**1 •-.•.;-E--6-..03-I-l--- 3.7 -Development of Borrow Sites and Quarries (**)E-6-3-12 4.1 -Impacts and Hazards (0)• • • • • • •••E-6-4-1 4.2 -Reservoir-Induced Seismicity (0)E-6-4-1 4.3 -Seepage (**).. • . . . . • .E-6-4-2 ....{t ...A.-:R~JH!t''lQir..Slop.e FaiLures(i':*}........•..•..•.·.···E-6-4-2 4•5 -Pe rmaf 1"0 st ....Thawj **)•••••__•__.~..._.~.__._.•._.'-._-E=-6 -~=3__... 4.6 -Seismically-Induced Failure (*)• • • • . • • • •E-6-4-3 4.7 -Geologic Hazards (*)E-6-4-4 4.8 -Borrow and Quarry Sites (*)E-6-4-4 EXHIBIT E -CHAPTER 6 GEOLOGICAL AND SOIL RESOURCES 1 ,J 1 i ! I J .j '~ I 1 l 1 E-6-3--1 E-6-4-1 E-6-1-1 E-6-2-1 Page No. E-6-2-1 E-6-2-2 E-6-2-3 E-6-2-4 E-6-2-11 E-6-2-17 E-6-2-23 . . .. . • •It e " . .... II 0 • • ... . . .. .. (*) . . . . . • • 0 0 2.1 -Regional Geology (*) 2.2 -Quarternary Geology (*) i.3 -Mineral Resources (0) 2.4 -Seismic Geology (*)•• 2.5 -Watana Damsite (**).•. 2.6 -Devil Canyon Damsite (0) 2.7 -Reservoir Geology (*)• Title 2 -BASELINE DESCRIPTION 3 -IMPACTS (*)• • 1 -INTRODUCTION (**) 4 -MITIGATION (**)• 5 -REFERENCES . . .... . . . . . . . ....E-6-5-1 6 -GLOSSARY . . . . . ... . . . . . . . . . . ... . .E-6-6-1 851014 xx SUMMARY TABLE OF CONTENTS Ccont'd) EXHIBIT E -CHAPTER 7 RECREATIONAL RESOURCES • Title 1 -INTRODUCTION (**)•.... . . . . ... . . . Page No. E-7-1-1 1.1 Purpose (**) 1.2 -Relationships to Other Reports (*) 1.3 -Study Approach and Methodology (**) 1.4 -Project Description (**)..... 2 -DESCRIPTION OF EXISTING AND FUTURE RECREATION WITHOUT THE SUSITNA PROJECT (**)•••••• • • 0 E-7-1-1 E-7-1-1 E-7-1-1 E...7-1-3 E-7-2-1 2.1 -Statewide and Regional Setting (**) 2.2 -Susitna River Basin (**).•...• 3 -PROJECT IMPACTS ON EXISTING RECREATION (**)•.•0 •. . E-7-2-l E-7-2-8 E-7-3-1 3.1 Direct Impacts of Project Features (~k) 3.2 -Project Recreational Demand Assessment •.. (Moved to Appendix E4.7) E-7-3-1 E-7-3-12 4 -FACTORS INFLUENCING THE RECREATION PLAN (**)... . .E-7-4-1 4.1 -Characteristics of the Project Design and Operation (***). • . • . . . . . • . . • . 4.2 -Characteristics of the Study Area (*~k). 4.3 -Recreation Use Patterns and Demand (***) 4.4 -Agency,Landowner and Applicant Plans and Policies (***). . . . . . 4.5 -Public Interest (***). 4.6 -Mitigation of Re~reation Use Impacts (***) 5 -RECREATION PLAN (**) 5.1 -Recreation Plan Management Concept (***) 5.2 -Recreation Plan Guidelines (***) 5.3 -Recreational Opportunity Evaluation (Moved to Appendix E3.7.3) 5.4 -The Recreation Plan (**) E-7-4-1 E-7-4-2 E-7-4-2 E-7 -4-3 E-7-4-12 E-7-4-13 E-7-5-1 E-7-5-1 E-7-5-2 E-7-5-4 E-7-5-4 6 -PLAN IMPLEMENTATION (**) 851014 .. .. xx~ E-7-6-1 SUMMARY TABLE OF CONTENTS (cont'd) Title 7 -COSTS FOR CONSTRUCTION AND OPERATION OF THE PROPOSED RECREATION FACILITIES (**)••• •e e e • ;J 1 j 1 \ :.} l 1 ! 1 l 1 1 j .\ j 1 1 E-7-10-1 E-7-8-1 E-7-8-1 E-7-8-1 . E-7-8-1 E-7-8-2 E-7-7-1 E-7-6-1 E-7-6-1 E-7-6-2 E-7-6-3 Page No. E-7-7-1 E-7-7-1 E-7-7-2 • • 0 • • 0 • • • • • •G XX~l •.• • • • • • •._.•''...__._.._._e .__...,,__•.__.._._"".,..."..-_...~~."__~_ . .... . . . . . ... .. ATTRACTIVE FEATURES -INVENTORY DATA EXAMPLES OF TYPICAL RECREATION FACILITY DESIGN STANDARDS FOR THE SUSITNA PROJECT PROJECT RECREATIONAL DEMAND ASSESSMENT PHOTOGRAPHS OFSITESWITHIN'THEP1~.bJECt RECREATION STUDY AREA DATA ON REGIONAL RECREAT~ON FACILITIES EXHIBIT E -CHAPTER 7 RECREATIONAL RESOURCES 7.1 -Construction (**).. 7.2 -Operations and Maintenance (**) 7.3 -Monitoring (***).••.. 6•1 -Pha si ng (**).•.•••...•... 6.2 -Detailed Recreation Design (***) 6.3 -Operation and Maintenance (***) 6.4 -Monitoring (**).•••.•..•.•... 8.1 -Agencies andPersQns Consulted (**) 8.2 -Agency Comments (**) 8.3 -Native Corporation Comments (***) 8.4 -Consultation Meetings (***)•.. E2.7 El.7 E5.7 10 -GLOSSARY • E6;,7 E4.7 APPENDICES 851014 8 -AGENCY COORDINATION (**) 9 -REFERENCES SUMMARY TABLE OF CONTENTS (cont'd) EXHIBIT E -CHAPTER 8 AESTHETIC RESOURCES Title 1 -INTRODUCTION (**)•. . . .. .. . . Page No. E-8-1-1 1.1 -Purpose (*).•.. 1.2 -Relationship to Other Analyses (*) 1.3 -Environmental Setting (**) 4 -PROJECT FACILITIES (*) 2 -PROCEDURE (*)• • • ... . . . . . . . E-8-2-1 E-8-3-1 E-8-4-1 E-8-1-1 E-8-1-1 E-8-1-1 .. . . . . ... .. . .. ..STUDY OBJECTIVES (*)3 4.1 -Watana Project Area (*)..•. 4.2 -Devil Canyon Project Area (*) 4.3 -Watana.Stage III Project Area (*1."*) 4.4 -Denali Highway to Watana Dam Access Road (*) 4.5 -Watana Dam to Devil Canyon Dam Access Road (*) 4.6 -Transmission Lines (*). 4.7 -Intertie .........•..... (This section deleted) 4.8 -Recreation Fa~ilities and Features (*) E-8-4-1 . E-8-4-1 E-8-4-1 E-8-4-1 E-8-4-2 E-8-4-2 E-8-4-2 E-8-4-2 5 -EXISTING LANDSCAPE (**)•. . . ..E-8-5-1 5.1 -Landscape Character Types (*) 5.2 -Notable Natural Features (**) E-8-5-1 E-8-5-1 6 -VIEWS (**). . . .. . .. . . . ..E-8-6-1 6.1 -Viewers (***) 6.2 -Visibility (***) E-8-6-1 E-8-6-1 7 -AESTHETIC EVALUATION RATINGS (**)•E-8-7-1 7.1 -Aesthetic Value Rating (*) 7.2 -Absorption Capability (*) 7.3 -Composite Ratings (**) E-8-7-1 E-8-7-1 E-8-7-2 851014 xxiii SUMMARY TABLE OF CONTENTS (cont'd) SITE PHOTOS WITH SIMULATIONS OF PROJECT FACILITIES .] ] 1 l 1 J ,l I 1 j j 1 ,] 1 I '\ I J \1 E-8-10-1 E-8-9-1 E-8-9-1 E-8-9-2 E-8-9-11 E-8-9-12 E-8-8-1 E-8-8-1 E-8-8-2 E-8-8-3 E-8-8-4 E-8-8-5 E-8-8-6 E-8-11-1 E-8-11-1 Page No. E-8-12-1 E-8-11-1 • •fit • • · . . . . ·. . . . ... (**). .. .. . ... • • • • • • • • ••• • •&e e .. . ... . . . . . EXCEPTIONAL NATURAL FEATURES EXAMPLES OF EXISTING AESTHETIC IMPACTS PHOTOS OF PROPOSEDPROJECT~ACILrTIES-ITES 11.1 -Agencies and Persons Consulted 11.2 -Agency Comments (**) 9.1 ....Mitigation Feasibili ty(**) 9.2 -Mitigation Plan (***) 9.3 -Mitigation Costs (**)•.•. 9.4 -Mitigation Monitoring (***)• EXHIBIT E -CHAPTER 8 AESTHETIC RESOURCES 8.1 Mitigation Planning of Incompatible Aesthetic Impacts (Now addressed in Section 9) 8.2 -Watana Stage I (***)••••• 8.3 -Devil Canyon Stage II (***) 8.4 -Watana Stage III (***) 8.5 -Access Routes (***)•• 8.6 -Transmission Facilities (***) E2.8 E1.8 11 -AGENCY COORDINATION (**)• Title' E3~8 10 -AESTHETIC IMPACT EVALUATION OF THE INTERTIE (This Section Delected) ..._._-~.._---_....._--_._--~---~.~-----_.-. APPENDICES 12 -REFERENCES • E4.8 8 -AESTHETIC IMPACTS (**) 9 -MITIGATION (**)• • • • • • • --~--------------------- 851014 xxiv SUMMARY TABLE OF CONTENTS (cont'd) EXHIBIT E -CHAPTER 8 AESTHETIC RESOURCES Title APPENDICES (cont'd) Page No. I I 1 i i I I E5.8 E6.8 . E7.8 E8.8 E9.8 851014 EXAMPLES OF RESERVOIR EDGE CONDITIONS SIMILAR TO THOSE ANTICIPATED AT WATANA AND DEVIL CANYON DAMS PROJECT FEATURES IMPACTS AND CHARTS GENERAL AESTHETIC MITIGATION MEASURES APPLICABLE TO THE PROPOSED PROJECT LANDSCAPE CHARACTER TYPES OF THE PROJECT AREA AESTHETIC VALUE AND ABSORPTION CAPABILITY RATINGS xxv SUMMARY TABLE OF.CONTENTS (cont'd) EXHIBIT·E -CHAPTER 9 LAND USE 4 -IMPACTS ON LAND USE WITH AND WITHOUT THE PROJECT (***)••• • • • • • • • •'.' Page No. E-9-1-1 E...;9...;2-1 E-9-2-1 E-9-2-1 E-9-3-1 E-9-6-1 E-9-4-1 E-9-5-1 · .. ·.. .. ·.... · . . • • .... . .. ... xxv~ . . . . . .. ..... 2.1 -Historical Land Use (***) 2.2 -Present Land Use (***) Title 1 -INTRODUCTION (***)• • • • • • • • • • • 3 -LAND MANAGEMENT PLANNING IN THE PROJECT AREA (***)• . • • • . • . . • . • .e 0 2 -HISTORICAL AND PRESENT LAND USE (***) 5 -MITIGATION (***> 6 -REFERENCES 851014 SUMMARY TABLE OF CONTENTS (cont'd) EXHIBIT E -CHAPTER 10 ALTERNATIVE LOCATIONS,DESIGNS,AND ENERGY SOURCES Title Page No. 1 -ALTERNATIVE HYDROELECTRIC SITES (*)• • • • • • • •••E-IO-l-l 1.1 -Non-Susitna Hydroelectric Alternatives (*) 1.2 -Assessment of Selected Alternative Hydroelectric Sites (***)..•.. 1.3 -Middle Susitna Basin Hydroelectric Alternatives (0)•••••••• 1.4 -Overall Comparison of Non-Susitna Hydroelectric Alternatives to the Proposed Susitna Project (***) 2 -ALTERNATIVE FACILITY DESIGNS (*) 2.1 -Watana Facility Design Alternatives (*) 2.2 -Devil Canyon Facility Design Alternatives (0) 2.3 -Access Alternatives (0)••• 2.4 -Transmission Alternatives (0) 2.5 -Borrow Site Alternatives (**) E-lO-l-l E-10-1-2 E-10-1-17 E-lO-1-32 E-1O-2-1 E-10-2-1 E-10-2-3 E-10-2-4 E-10-2-24 E-10-2-53 3 -OPERATIONAL FLOW REGIME SELECTION (***)...E-10-3-1 3.1 -Project Reservoir Characteristics (***) 3.2 -Reservoir Operation Modeling (***).... 3.3 -Development of Alternative Environmental Flow Cases (***). 3.4 -Detailed Discussion of Flow Cases (***). 3.5 -Comparison of Alternative Flow Regimes (***) 3.6 -Other Constraints on Project Operation (***) 3.7 -Power and Energy Production (***). 4 -ALTERNATIVE ELECTRICAL ENERGY SOURCES (***)• 4.1 -Coal-Fired Generation Alternatives (***) 4.2 -Thermal Alternatives Other Than Coal (***) 4.3 -Tidal Power Al ternati ves (***).... 4.4 -Nuclear Steam Electric Generation (***) 4.5 -Biomass Power Alternatives (***) 4.6 -Geothermal Power Alternatives (***).. E-10-3-1 E-IO-3-2 E-1O-3-6 E-10-3-17 E-1O-3-38 E-1O-3-43 E-10-3-53 E-IO-4-1 E-IO-4-1 E-IO-4-27 E-IO-4-39 E-IO-4-41 E-IO-4-42 E-IO-4-42 851014 xxv~~ Title SUMMARY TABLE OF CONTENTS (cont'd) 5 -ENVIRONMENTAL CONSEQUENCES OF LICENSE DENIAL (***) ) ] ] ,l 1 1 j ] -"] '1 1 l .]/ J 'I J J 1 I E-IO-7-1 E-I0-4-43 E-IO-4-44 E-IO-4-44 E-IO-6-1 E-IO-5-1 Page No. e • • • • ••.0.•••a 0 •• • xxviii • •0 • • • • • • • • • • •0 • • • • • •e EXHIBIT E -CHAPTER 10 ALTERNATIVE LOCATIONS,DESIGNS,AND ENERGY SOURCES 4.7 -Wind Conversion Alternatives (*~k) 4.8 -Solar Energy Alternatives (***) 4.9 -Conservation Alternatives (***) 851014 7 -GLOSSARY 6 -REFERENCES SUMMARY TABLE OF CONTENTS (cont'd) EXHIBIT E -CHAPTER 11 AGENCY CONSULTATION Title Page No. 1 -ACTIVITIES PRIOR TO FILING THE INITIAL APPLICATION (1980-February 1983)(***)• 0 0 • • •0 •0 E-ll-1-1 2 -ADDITIONAL FORMAL AGENCY AND PUBLIC CONSULTATION (***)• • • • • • • • • • • 2.1 -Technical Workshops (***)••.. 2.2 -Ongoing Consultation (***)".... 2.3 -Further Comments and Consultation (***) E-1l-2-1 E-1l-2-1 E-1l-2-1 E-1l-2-2 851014 xx~x SUMMARY TABLE OF CONTENTS (cont'd) EXHIBIT F SUPPORTING DESIGN REPORT (PRELIMINARY) 5.1 -River Flows C**)• • • •F-5-l 5.2 -Design Flows C**). • • •F-5-1 ................_..........~.J..::.Res.~~.YQi~_Le.yels_(~)..•.....•...••..•..•..-.•'F-·5-1······· 5.4 -Reservoir.....QRerati!!g Rule (~~L_._..•..•..........."-.._......•..--F-'""-5..",2 ... ·····_·····~·~-_········_·5•5::'Reservoir Data C**)• • • • F- 5-2 5.6 -Wind Effect C**)• • • •F-5-3 5.7 -Criteria C***)F-5-3 •.0 • . . • . • .0 •0'• • 6 -EQUIPMENT DESIGN CODES AND STANDARDS (**)• I .I J ] J J J J 1 1 ] J 'I I .\ , 1 1 F-5-1 F-4-1 F-3-1 F-2-1 F-l-l F-6-1 F-3-1 F-3-1 F-3-6 F-3-9 F-4-1 F-4-10 F-2-1 F-2-1 F-2-1 F-2-1 F-2-1 F-2-2 F 6-1 F 6""'2 Page No. .. .. ... . . . .. .. •·'e •D 0 . . . .. . ... · ... ·. . ·.... .. .8.... xxx ...... 6.1 -Design Codes and Sl:andards (*) 6.2 -General Criteric:l C*).••••. 3.1 -Governing Codes and Standards Co) 3.2 -Design Loads (**)• 3.3 -Stability C*)•.• 3.4 -Material Properties Co)• 2.1 -Topographical Data (0) 2.2 -Hydrological Data C**) 2~3 -Meteorological Data C*)• 2.4 -Reservoir Data (0) 2.5 -Tailwater Elevations (0) 2.6 -Design Floods C**) 4.1 -Watana (**)•••• 4.2 -Devil Canyon C**) 3 -CIVIL DESIGN DATA (*) Title 5 -HYDRAULIC DESIGN DATA (**) 1 -PROJECT DATA (***). 2 -PROJECT DESIGN DATA (**) 4 -GEOTECHNICAL DESIGN DATA (**)• SUMMARY TABLE OF CONTENTS (cont'd) EXHIBIT F SUPPORTING DESIGN REPORT (PRELIMINARY) !1 I Title Page No. F-7-1 F-6-4 F-6-6 F-6-6 F-6-8 F-6-9 F-6-12 .. . •••••••••e e eo ••••0 ••••• 6.3 -Diversion Structures and Emergency Release Faci li ties (*) 6.4 ~Spillway (**)• • 6.5 -Outlet Facilities (*). 6.6.-Power Intake (*) 6.7 -Powerhouse (**)• 6.8 -Tailrace Tunnels (**). 7 -REFERENCES I I ] APPENDICES F1 THIS APPENDIX DELETED F2 WATANA AND DEVIL CANYON EMBANKMENT STABILITY ANALYSES F3 SUMMARY AND PMF AND SPILLWAY DESIGN FLOOD ANALYSES 851014 xxx~ ] J 1 J .1 I ] ] ] ] ] ] I J , ,1 , j J ] ] CHAPTER 2 WATER USE AND QUALITY TABLES AND FIGURES - Page No. TABLE OF CONTENTS (cont'd) EXHIBIT E -CHAPTER 2 WATER USE AND QUALITY J J f J ,'.1 /] ) /J 'I ,J .'\ I I I i ,.} 1 ) I ) 1 E-2-2-36 E-2-2-37 E-2-2-38 E-2-2-38 E-2-2-38 E-2-2-39 E-2-2-40 E-2-2-40 E-2-2-46 E-2-2-46 E-2-2-24 E...2-2-26 E-2-2-27 E-2-2-29 E-2-2-29 E-2-2-33 E-2-2-35 E-2-2-35 E-2-2-47 E-2-2-48 E-2-2-40 E-2-2-40 ~_.__._~._....•_..--__.~ E-2-2-4l E-2-2-41 E-2-2-41 E-2-2-42 E-2-2-42 E-2-2-43 E-2-2-43 E-2-2-43 "'E";;;Z;;;;Z:':44- •..~.'-;-.-E;2=2=t+4----', E-2-2-45 • •••E-2-2-45 ... ii 2.4.1 -DescriptionofWa·terTableand Artesian Conditions (**)••• 2.4.2 -Hydraulic Connection of"Ground Water and Surface Water (**)••••. 2.4.3 -Locations of Springs,Wells,and· Artesian Flows (*)••••••••. (a)Freezeup (**)•••.••• (b)Winter Ice Conditions (**) (c)Breakup (**)•••••• 2.3.3 -Bedload and Suspended Sediments (**) (a)Bedload (**)• • • • • • • (b)Suspended Sediment (**) 2.3.4 -Turbidity (**)•••• (a)Mainstem (**) (b)Sloughs and Peripheral Habitat Areas (**)• • • • • • • . • • • 2.3.5 -Vertical Illumination (**) 2.3.6 -Dissolved Gases (**)•••• (a)Dissolved Oxygen (**) (b)Total Dissolved Gas Concentration (**)• 2.3.7 -Nutrients (**)••.•• 2.3.8 -Other Parameters (*) (a)Total Dissolved Solids (*)• (b)Specific Conductance (Conductivity)(*)••••••• (c)Significant Ions (*)• Cd)..t'oEa:T Hardnes s .Tor ..~ .(e)pH (*)• • ••.• • • • • (f)Total Alkalini ty (*)• (g)Free Carbon Dioxide (0) (h)Total Organic Carbon (*)• (i)Chemical Oxygen Demand (0)• (j)True Color (*)• • • ••••• (k)Metals (0)• • • • • .....(l)Chlorophyll-a'(**) ·--··--(mj·--Bact-eri-a-(-**J--::--:--:---=---:- (n)Miscellaneous (**)• 2.3.9 -Water Quality Summary (**) 2.4 -Baseline Ground Water Conditions (**)• Title 851017 .._---------- , '-J EXHIBIT E -CHAPTER 2 WATER USE AND QUALITY TABLE OF CONTENTS (cont'd) Title 2.4.4 -Hydraulic Connection of Mainstem and Sloughs (**)• • • • 2.5 -Existing Lakes,Reservoirs,and Streams (**) 2.5.1 -Lakes and Reservoirs (**).•• 2.5.2 -Streams (**).•.. 2.6 -Existing Instream Flow Uses (0) 2.6.1 -Downstream Water.Rights (0)•••• 2.6.2 -Fishery Resources (*)• ....• 2.6.3 -Navigation and Transportation (**) (a)Boating Upstream of Devil Canyon (**) (b)Boating Downstream of Devil Canyon (**).•.••.. (i)River Use and Access (***) (ii)Navigability (***)..... (c)Other Navigation and Transportation Uses (**). • . • . 2.6.4 -Recreation (**)•.•..•• i.6.5 -Riparian Vegetation and Wildlife Habitat (**).•••• 2.6.6 -Waste Assimilative Capacity (**)••.• 2.6.7 -Freshwater Recruitment to Cook Inlet Estuary (*).. . • . 2.7 -Access Plan (**) 2.7.1 -Flows (0) 2.7.2 -Water Quality (**) 2.8 -Transmission Corridor (**). Page No. E-2-2-48 E-2-2-49 E-2-2-49 E-2-2':"50 E-2-2-50 E-2-2-50 E-2-2-52 E-2-2-52 E-2-2-52 E-2-2-53 E:"2-2-53 E-2-2-55 E-2-2-60 E-2-2-61 E-2-2-61 E-2-2-61 E-2-2-62 E-2-2-63 E-2-2-63 E-2-2-63 E-2-2-64 2.8.1 -Flows (*).. 2.8.2 -Water Quality (**) 3 -OPERATIONAL FLOW REGIME SELECTION (***)•. . . . ... E-2-2-64 E-2-2-65 E-2-3-1 3.1 -Project Reservoir Characteristics (***)E-2-3-1 851017 iii I EXHIBIT E -CHAPTER 2 WATER USE AND QUALITY TABLE'OF CONTENTS (cont'd)I 1 ) Title 3.1.1 -Watana Stage I (***)••••• 3.1.2 -Devi 1 Canyon Stage II (***)• • • • 3.1.3 -Watana Stage III (***)•••• Page No. E-2-3-2 E-2-3-2 E-2-3-2 ) j ",I,I •,' \,f J ] ,1 't E-2-3-5 E-2-3-9 E-2-3-6 E-2-3-2 E-2-3-3 E-2-3-4 E-2-3-6 E-2-3-10 E-2-3-6 E-2-3-7 -E.",.2--3--7 E-2-3-7 E-2-3-8 (***) -Reservoir Operation Models (***)•• Basic Concept and Algorithm of Reservoir Operation (***)• • • • (a)Watana Stage I (***).• • • • (b)Watana Stage I or Stage III with Devil Canyon Stage II (***). 3.2.1 3.2.2 3.3.1 -Background (***)••••• (a)Mainstem and Side Channel Rearing Habitats (***).••••.• (b)Seasonal Flow Constraints (***) J~)_Mg~~mJ.mt Fcl_owc C_Qns_traints~(**~)_c._ 3.3.2 -Selection Criteria (***)•••••• (a)Management Objectives (***)•••• (b)Critical Species and Habitat Combinations (***)• • • • (i)Habitat Sensitivity to Mainstem Conditions (***) (ii)Habitat Use by the Evaluation ___..~P~C::~~_I:l_t~::X!._·._'.'__~._..E;=-_~=J.=lt_ '---3:3-:'3=Compatibility with Mitigation Policy (***)_E-:~-3-Q._ 3.3 -Developmellt.of .i\lterllati v:gEJ.'lv:ironmenta1 Flow Cases (***)••••••••• 3.2 -Reservoir Operation Modeling 3.4 =-Detailed Discussion of Flow Cases (***)•E-2-3-17 3.4.1 -Environmental Flow Cases (***) (a)Case E-r (***)• • • • • • (i)Management Objective (***) (ii)FlOW-Constraints (***) (iii),ProjectFlows (***)••.'.•..~. .(iv)Impact Assessment (***),• (v)Mi t i ga ti on (***)•••• (b)Case E-II (***)•••• (i)Management Objective (***)•• E-2-3-17 E-2-3-18 E-2-3-18 E....2-3-18 E-2-3-19 E-2-3-19 E-2-3-20 E-2-3-20 E-2-3-20 IJ ,')' ) EXHIBIT E -CHAPTER 2 WATER USE AND QUALITY TABLE OF CONTENTS (cont'd) Title (ii)Flow Constraints (***) (iii)Project Flows (***). . • (iv)Impact Assessment (***)• (v)Mitigation (***) (c)Case E-III (***). . . . . . . . (i)Management Objectives (***). (ii)Flow Constraints (***) (iLi)Project Flows (***)•,.. (iv)Impact Assessment (***)• (v)Mitigation (***) (d)Case E-IV (***)•.••~ (i)Management Objectives (***). (ii)Flow Constraints •.•. (iii)Project Flows (***)..•.. (iv)Impact Assessment (***). (v)Mitigation (***)...• (e)Case E-IVa (***)• • . • (i)Mana'gement Objective (***).• (ii)Flow Constraints (***) (iii)Project Flows (***)•. (iv)Impact Assessment (***)• (v)Mitigation (***)•... (f)Case E-IVb (***)• . . . (i)Management Objective (***)•. (ii)Flow Constraints (***) (iii)Project Flows (***)•. (iv)Impact Assessment (***). (v)Mitigation (***) (g)Case E-V (***)• . • . . (i)Management Objective (***).. (ii)Flow Constraints (***) (iii)Project Flows (***). . . (iv)Impact Assessment (***). (v)Mitigation (***).... (h)Case E-VI (***)•••.••.. (i)Management Objective (***) (ii)Flow Constraints (***) (iii)Project ,Flows (***)•.. (iv)Impact Assessment (***). (v)Mitigation (***) 3.5 -Comparison of Alternative Flow Regimes (***). Page No. E-2-3-20 E-2-3-21 E-2-3-21 E-2-3-22 E-2-3-23 E-2-3-23 E-2-3-23 E-2-3-23 E-2-3-23 E-2-3-24 E-2-3-24 E-2-3-24 E-2-3-24 E-2-3-25 E-2-3-25 E-2-3-26 E-2-3-26 E-2-3-26 E-2-3-27 E-2-3-27 E-2-3-27 E-2-3-28 E-2-3-28 E-2-3-28 E-2-3-28 E-2-3-28 E-2-3-29 E-2-3-29 E-2-3-29 E-2-3-29 E-2-3-29 E-2-3-30 E-2-3-30 E-2-3-30 E-2-3-30 E-2-3-31 E-2-3-32 E-2-3-32 E-2-3-33 E-2-3-36 E-2-3-37 851017 v EXHIBIT E -CHAPTER 2 WATER USE AND QUALITY J ,i ) 1 ,) " ,l 'J 1 J \J ) i) " J ~) ,/ '[ 1 f 'J E-2-3-42 E-2-3-43 E-2-3-40 E-2-3-40 E-2-3-41 E-2-3-42 E-2-3-40 E-2-3-41 E-2-3-42 E-2-3-49 E-2-3-46 E-2-3-47 E-2-3-47 E-2-3-38 E-2-3-39 E-2-3-39 E-2-3-53 Page No. E-2-3-53 E-2-3-54 E-2-3-50 It ....i=j=si _. -E;;';;Z~~T:;;SZ~--- TABLE OF CONTENTS (cont'd) 3.5.1 Economic Comparison (***)••••• 3.5.2 -Environmental Comparison (***) (a)Aquatic and Fisheries (***) (b)Other Instream Flow Considerations (**)••••• (i)Downstream Water Rights (*) (ii)Navigation and Transportation (**) (iii)Recreation (***) (iv)Riparian Vegetation and Wildlife Habitat (*) (v)Water Quality (*)• • • • (vi)Freshwater Recruitment to Cook Inlet (*)••••• 3.5.3 -Sel,ection of "Operational Ins tream Flow Requirements (***)• • • • . • 3.7.1 -Watana Stage I (***)•• 3.7.2 -Watana Stage I with Devil Canyon Stage~~I·I(***}-...••••• 3.7.3 -WatanaStage III.wi~h:Qevi1 Canyon Stage II (***)• • • • • • • • 3.7.4 -Base-Load and Load-Following Operation (***)• • • • • • • • 3.6.2 -Dam (a) (b) 3.7 -Power and Energy Production (***) 3.6 -Other Constraints on Project Operation (***) Title 851017 3.6.1-Flow Stability Crite,ria (***)• • • •E-2-3-43 (a)Watana Only Operatioll-.l~~**2 -"-~~'L_•.._E~2__3~.!f.!+ ~~~-~~b)~-Watana and Devil Canyon Operation (***)•••••.•••• Safety Criteria (***)•••••••• Stage I -Watana Only Operation (***) Stage II -Watana and Devil Canyon Operation (***)• • • • (c)Stage III -Watana and Devil Canyon Operation (***) ·-~-·3;6·;3-'ElII.ergeticy-SituaEiOiis"'(***)- ....-----.~'~--'~~3.6.4---F·l_ow~Requ±-rement-Duri-n-g~Fil-l-~ng·(~***}- EXHIBIT E -CHAPTER 2 WATER USE AND QUALITY TABLE OF CONTENTS (cont'd) Title Page No. 4 -PROJECT IMPACT ON WATER QUALITY AND QUANTITY (**)•• • E-2-4-l ~.l -Watana Development (**)•..••.E-2-4-s E-2-4-l6 E-2-4-l7 E-2-4-l7 E-2-4-l7 E-2-4-l8 E-2-4-13 E-2-4-13 E-2-4-1s E-2-4-1s E-2-4-ls E-2-4-l6 E-2-4-l6 E-2-4-8 E-2-4-l2 E-2-4-l2 E-2-4-6 E-2-4-6 E-2-4-7 E-2-4-7 E-2-4-7 E-2-4-8 E-2-4-l9 E-2-4-20 E-2-4-20 E-2-4-20 E-2-4-2l E-2-4-2l E-2-4-2l E-2-4-22 E-2-4-23 E-2-4-24 E-2-4-24 (iv) (v) (vi) (d) (e) (f) Watana Stage I Construction (**)•... (a)Flows and Water Levels (**).••. (b)River Morphology (**).••• (c)Water Quality (**)•• (i)Water Temperature (**) (ii)Ice (**)•.•. (iii)Suspended Sediments/Turbidity/ Vertical Illumination (**) Nutrients and Organics (*) Metals (0)••••••••• Contamination by Petroleum Products (**). (vii)Concrete Contamination (**). (viii)Other (0)••• Groundwater Conditions (~~) Lakes and Streams (**)• Instream Flow Uses (**) (i)Fishery Resources (**) (ii)Navigation and Transportation (**) (iii)Riparian vegetation (*). (g)Support Faci li ties (**)•... (i)Water Supply (**). (ii)Wastewater Treatment (**) (iii)Construction,Maintenance, and Operation (**) Impoundment of Watana Reservoir (**) (a)Reservoir Filling Criteria (**) (i)Minimum Flows (**) (ii)Flood Storage Protection (*) (b)Flows and Water Levels (**) (i)Simulation of Reservoir Filling (**)...• (ii)Floods (*). (iii)Flow Variability (*) (c)Testing and Commissioning (**). (d)River Morphology (**)...•• 4.1.1 - 4.1.2 - 851017 vii EXHIBIT E -CHAPTER 2 WATER USE AND QUALITY TABLE OF CONTENTS (cont'd) Title Page No. (e)Water Quality • • • • •E-2-4-26 (i)Water Temperature (**)E-2-4-26 (ii)Ice (**)•.•.E-2-4-28 (iii)Suspended Sediments/ Turbidity/Vertical Illumination (**)• • •E-2-4-30 (iv)Dissolved Oxygen (**)E-2-4-35 (v)Total Dissolved Gas Concentration (**)E-2-4-35 (vi)Nutrients (**)E-2-4-36 (vii)Total Dissolved Solids, Conductivity,Significant ~ons,Alkalinity and Metals (**)• • • • • • •E-2-4-36 (viii)Other (0)• • • • • • •E-2-4-37 (f)Ground Water Conditions (**)•E-2-4-37 (i)Mainstem (0)••••E-2-4-37 (ii)Sloughs and Peripheral Habitat Areas (**)E-2-4-38 (g)Lakes and_Streams (*)•••••E-2-4-39 (h)Instream Flow Uses (**)..•.E-2-4-39 ~~_.~(L)_.-F-l-she-r.y-Resources,---Ripar-rall Vegetation,Wildlife Habitat and Recreation (**)• .E-2-4-39 (ii)Navigation and Trallsportation (**)• • • • •E-2-4-39 (iii)Waste Assimilative Capacity (0)E-2-4-41 (iv)Freshwater Recruitment to, ____C~oJ~Inlet~Estuary{**)....~E-2-4-42 ~~4 .r::3 ·Wata-na-Stage I·.OQe ra ti on (**L_.__._.__•__.__•E__2_4_4_2 _ ~~--.~----.-----.-----~--..--~----~------ca)Flows and Water Levels (**)••••E-2-4-43 (i)Project Operation (**)E-2-4-43 (ii)Mean Monthly Flows and Water Levels (**). .,.• • •E-2-4-47 (iii)Floods (**)• • • • • • •••E-2-4-49 (iv)F.low Variability (**)• •.•E-2 ..4-56 ('Ill_Operation of Watana Outlet ~Wo_rk:.s aIt<t:Fixed-Cone Valves (**)• • •E-2-4-57 (b)River Morphology (**)E-2-4-58 (c)Water Quality (**). •E-2-4-60 (i)Water Temperature (**)E-2-4-60 851017 viii ) ;j ,~l 1 1 ) I I EXHIBIT E -CHAPTER 2 WATER USE AND QUALITY TABLE OF CONTENTS (cont'd) Title (ii)Ice (**).•..•.••.. (iii)Suspended Sediments (**) (iv)Turbidity (**) .(v)Dissolved Oxygen (**) (vi)Total Dissolved Gas Concentration (**) (vii)Trophic Status (Nutrients and Lower Trophic Level Biology)(**).••... (viii)Total bissolved Solids, Conductivity,Significant Ions,Alkalinity,and Metals (**). . • • • (d)Ground Water Conditions (**). (i)Mainstem (*).••. (ii)Sloughs and Peripheral Habitat (**)•....... (e)Lakes and Streams (**). . • • . (f)Instream Flow Uses (**).••. (i)Fishery Resources,Riparian Vegetation and Wildlife Habitat,and Recreation (**) (ii)Navigation and Transportation (**). (iii)Waste Assimilative Capacity (*)••.•..•. (iv)Freshwater Recruitment to Cook Inlet Estuary (**). 4.2 -Devil Canyon Development (**)•••••••• Page No. E-2-4-79 E-2-4-84 E-2-4-92 E-2-4-98 E-2-4-99 E-2-4-101 E-2-4-103 E-2-4-105 E-2-4-105 E-2-4-105 E-2-4-106 E-2-4-107 E-2-4-107 E-2-4-107 E-2-4-109 E-2-4-110 E-2-4-110 4.2.1 -Watana Stage I Operation/Devil Canyon Construction (**). ...••...• 851017 (a) (b) (c) Flows (i) (ii) River Water (i) (ii) (iii) (iv) and Water Levels (**) Watana Stage I Operation (**) Floods (**). . . Morphology (**)•... Quality (**). Water Temperature (0)• Ice (0)• • • • • Suspended Sediment/Turbidity/ Vertical Illumination (**) Nutrients (**)...•... ix E-2-4-111 E-2-4-112 E-2-4-112 E-2-4-112 E-2-4-112 E-2-4-113 E-2-4-113 E-2-4-113 E-2-4-113 E-2-4-115 EXHIBIT E -CHAPTER 2 WATER USE AND QUALITY TABLE OF CONTENTS (cont'd) Title Page No. x 1 ) j .):~ E-2-4-121 E-2-4-122 E-2-4-122 E-2-4-122 E-2-4-124 E-2-4-124 E-2-4-123 E-2-4-123 E-2-4-124 E-2-4-124 E-2-4-124 E-2-4-117 E-2-4-118 E-2-4-118 E-2-4-119 E-2-4-120 E-2-4,..120 E-2-4-120 E-2-4-121 E-2-4-118 E-2-4-1l5 E-2-4-115 E-2-4-1l6 E-2-4-116 E-2-4-116 E-2-4-116 E-2-4-1l7 E-2-4-1l5 (e) (f) (g) (d) (e) (f) (g) (v)Metals (0)••••••••• (vi)Contamination by Petroleum Pr.oducts (**)• • • • • • • • (vii)Concrete Contamination (**). (viii)Other Parameters (0) Groundwater Conditions (*)• Lakes and Streams (**)• • Instream Flow Uses (**)••• Support Facilities (**) (i)Water Supply and Wastewater Treatment (**)••••••• (ii)Construction,Operation,and Mai ntenance (*)• . . • . . • 4.2.2 -Watana Operation/Devil Canyon Impoundment (**)•••.••..•. (a)Reservoir Filling Cri teria (**) (b)Flows and Water Levels (**) (c)River Morphology (**) (d)Water Quality (**)•••••. (i)Water Temperature (*). (ii)Ice (0)• • • • • ,~=,~,-'--~----~H-H+--Su-spende-dS~l:liments/ Turbidity/Vertical Illumination (**).• (iv)Dissolved Oxygen (**)• (v)Total Dissolved Gas Concentration (**).•... (vi)Nutrients (**) (vii)Total Dissolved solids, Conduc tivity,Signi-fi cant' ______~I,~tns_,,-A1.kalini-l:-y-,-and---,~-..----....-",-,,-----' Metals (**)••••• Ground Water Conditions (0) Lakes and Streams (*)•... Instream Flow Uses (**) (i)Fishery Resources,Wildlife HCl1:>t~_at;,Riparian Vegetation, 'andRecreation (**)• • ______HiJ NavigatioIl and Transportation (**). . . . • (iii)Waste Assimilative capacity (*) 851017 ----'---_.._~...--'_..._..-_.._-.- 4.2.3 - Title EXHIBIT E -CHAPTER 2 WATER USE AND QUALITY TABLE OF CONTENTS (cont'd) (iv)Freshwater Recruitment to Cook Inlet Estuary (*). • • • (h)Testing and Commissioning (***) Watana Stage I -Devil CanY9n Operation (**).....•• (a)Flows and Water Levels (**).... (i)Project Operation (**) (ii)Mean Monthly Flows and Water Levels (**)• . (iii)Floods (**)••.•... (iv)Flow Variability (**).. (v)Operation of'Watana and Devil Canyon Outlet Works and Fixed-Cone Valves (**) (b)River Morphology (**).... (c)Water Quality (***) (i)Water Temperature (**) (ii)Ice (**)•••••••• (iii)Suspended Sediments/Turbidity/ Vertical Illumination (**) (iv)Dissolved Oxygen (**). (v)Total Dissolved Gas Concentration (**) (vi)Trophic Status (Nutrients)(**)..•. (vii)Total Dissolved Solids, Conductivity,Alkalinity, Significant Ions and Metals (**)• • . . . (d)Ground Water Conditions (~k) (i)Mainstem (***) (ii)Sloughs and Peripheral Habitat Areas (***)•. (e)Lakes and Streams (**).. . (f)Instream Flow Uses (**). (i)Navigation and Transportation (**). (ii)Freshwater Recruitment to Cook Inlet Estuary (**). Page No. E-2-4-l24 E-2-4-l25 E-2-4-125 E-2-4-125 E-2-4-l25 E-2-4-l28 E-2-4-l3l E-2-4-136 E-2-4-138 E-2-4-l38 E-2-4-139 E-2-4-l39 E-2-4-l50 E-2-4-l53 E-2-4-l56 E-2-4-l57 E-2-4-157 E-2-4-158 E-2-4-158 E-2-4-158 E-2-4-159 E-2-4'-159 E-2-4-160 E-2-4-160 E-2-4-160 4.3 -Watana Stage III Development (***).E-2-4-161 851017 Xl. EXHIBIT E -CHAPTER 2 WATER USE AND QUALITY I •.J E-2-4-163 E-2-4,-163 E-2-4-161 E-2-4-162 E-2-4-162 E-2-4-162 E-2-4-162 E-2-4-162 ,1 ,-J ",1 1 l I E-2-4-163 E.,..2.".4,..,.163-- E-2-4-163 E-2-4-163 E-2-4-164 E-2-4-164 E-2-4-164 E-2-4-164 E-2-4-165 E-2-4-165 E-2-4-166 E-2-4-166 E-2-4-167 E-2-4-167 E--2-4--167 E-2-4-168 Page No. TABLE OF CONTENTS (cont'd) 4.3.1 -Watana Stage III Construction/Stage II Operation (***)• • • • • . • . • . (a)Flows and Water Levels (***)• (b)River Morphology (***)• (c)Water Quality (***).•.. (i)Water Temperature (***). (ii)Ice (***)• • • . (iii)Suspended Sediments/Turbidity/ Vertical Illumination (***).E-2-4-162 (iv)Dissolved Oxygen (***)E-2-4-162 (v)Total Dissolved Gas Concentration (***). • •••E-2-4-163 (vi)Trophic Status (Nutrients)(***)• ..(vii}··Total D:i.sso1vedSolids, Conductivity Alkalinity, Signifidant Ions and Metals (***)••••.. (viii)Contamination by Petroleum Products (***).•..••• (ix)Concrete Contamination C"lc-lriIJ . ~--~~------(x r ~Othe r-Para;;';te-~-;-(***) (d)Groundwater Conditions (***). (e)Lakes andStrea.ms (***)••.•.. (f)Instream Flow Uses (***)• • (g)Support Facilities (***)• (i)Water Supply (***)..•.• (ii)Wastewater Treatment (***) (iii)Construction,Maintenance, Ope'ra tfori-T***r-~~-~·-:·~~...2 -4 -1§.2._,___ -4.-3-.-2-----Wa-t-ana-S-ta-ge-I-:n-C<Yt[s-truc Ei on a ncr--~._'" Filling/Stage II Operation (***) (a)Reservoir Filling Criteria (***) (b)Flows and Water Levels (***)• (c)River Morphology (***)• (d)Water Quality (***) (i)Water Temperature (***). (liT ICe (***r... . . . . . . (iii)S-uspeIlded Sedil1lerit!ful.'"bid.:i ty/ Vertical Illumination (***).E-2-4-168 (iv)Dissolved Oxygen (***)E-2-4-170 Title 851017 Title 851017 EXHIBIT E -CHAPTER 2 WATER USE AND QUALITY TABLE OF CONTENTS (cont'd) (v)Dissolved Gas (***)... (vi)Nutrients (***). • • . . (vii)Total Dissolved Solids, Conductivity,Significant Ions,Alkalinity and Metals (***).... (viii)Other (***)•••••• (e)Groundwater Conditions (***). (f)Lakes and Streams (***) (g)Instream Flow Uses (***). . (i)Fishery Resources,Riparian Vegetation,Wildlife and Recreation (***) (ii)Navigation and Transportation (***) (iii)Waste Assimilative Capacity (***)•... (iv)Freshwater Recruitment to Cook Inlet (***). (h)Testing and Commissioning 4.3.3 -Watana Stage III Operation/Devil Canyon Stage II Operation (***)•.••.. (a)Flows and Water Levels (***). . (i)Project Operation (***). (ii)Mean Monthly Flows and Water Levels (***) (iii)Floods (***)•....... (iv)Flow Variability (***) (v)Operation of Outlet Works and Fixed-Cone Valves (***) (b)River Morphology (***)..•.. (c)Water Quality (***) (i)Water Temperature (***). (ii)Ice (***)•..• (iii)Suspended Sediment (***) (iv)Turbidity/Vertical Illumination (***) (v)Dissolved Oxygen (***) (vi)Total Dissolved Gas Concentration (***) (vii)Trophic Status (Nutrients)(***).. xiii Page No. E-2-4-170 E-2-4-171 E-2-4-171 E-2-4-171 E-2-4-171 E-2-4-173 E-2-4-173 E-2-4-173 E-2-4-174 E-2-4-174 E-2-4-174 E-2-4-174 E-2-4-175 E-2-4-175 E-2-4-175 E-2-4-178 E-2-4-181 E-2-4-188 E-2-4-189 E-2-4-190 E-2-4-191 E-2-4-191 E-2-4-200 E-2-4-203 E-2-4-206 E-2-4-207 E-2-4-209 E-2-4-209 • • • • • • • • • •_._..:E::._-~:2::..-_c6:.-..:1:.._....~.._ 6.3 -Mitigation -Watana Stage I Impoundment (**) Title 1 } J J 1 1 J 1 \ ) ( 1 I J j E-2-4-213 E-2-6-1 E-2-5-1 E-2-4-2l6 E-2-4-212 E-2-4-215 E-2-4-214 E-2-4-214 E-2-4-215 E-2-4-213 E-2-6-2 E-2-4-211 E-2-4-212 E-2-4-212 E-2-4-210 E-2-4-210 E-2-4-210 E-2-6-2 E-2-6-3 E-2-6-4 E-2-6-5 E-2-6-5 E-2-6-5 E-2-6-5 E-2-6-6 Page No. ... • • •e • •0 .... EXHIBIT E -CHAPTER 2 WATER USE AND_QUALITY TABLE OF CONTENTS (cont'd) (viii)Total Dissolved Solids, Conductivity,Significant Ions,Alkalinity, and Metals (***) (d)Ground Water Conditions (***) (i)Mainstem (***)••.. (ii)Sloughs and Peripheral Habitat Areas (***)• (e)Lakes and Streams (***) (f)Instream Flow Uses (***)•••• (i),Navigation and Transportation (***)•.•• (ii)Freshwater Recruitment to cook Inlet Estuary (***)• -Flows (**). . . • -Water 'Quality (**).••• (a)Turbidity and Sedimentation (**) ~~_(~)Contaminat.ion_..~by ..Prcb..tr..oLeum . Products (**)• • • . 6.2.1 -Borrow Areas (**)...•.•..• 6.2.2 -Contamination by Petroleum Products (**) 6.2.3 -Concrete Contamination (*).... 6.2.4 -Support -Facilities (**).•••••• (a)Water Supply (**)•••••• --{bY wastewafefr Treatment ('**) 6.2.5 -Others (0)•••• 4.4.1 4.4.2 6.2 -Mitigation -Watana Stage I -Construction (**) 4.4 -Access Plan (**) 4.5-Transmission Corridor (*)• 6 -MITIGATION,ENHANCEMENT,AND PROTECTJ;VE MEASURES (**)• 5 -AGENCY CONCERNS AND RECOMMENDATIONS (**) 6.4 -Watana Stage I Operation (**)•••••E-2-6-7 851017 xiv 6.4.1 6.4.2 6.4.3 6.4.4 6.4.5 6.4.6 Title EXHIBIT E -CHAPTER 2 WATER USE AND QUALITY TABLE OF CONTENTS (cont'd) -Flows (**)....0 •0 e _ •CI • • 0 • -River Morphology (**)• -Temperature (**) -Total Dissolved Gas Concentration (**) -Ice (**). -Groundwater Flow,Temperatures and Upwelling Rates (**).•••••.• 6.4.7 -Suspended Sediment and Turbidity (**) 6.4.8 -Eutrophication Processes (**)...• Page No. E-2-6-7 E-2-6-8 E-2-6-9 E-2-6-10 E-2-6-12 E-2-6-12 E-2-6-13 E-2-6-13 6.5 -Mitigation -Devil Canyon Stage II - Construction (**)• • • . 6.6 -Mitigation -Devil Canyon Stage II - Impoundment (**)•••• 6.7 -Mitigation -Devil Canyon/Watana Operation (**)• 6.7.1 -Flows (**)•...•• 6.7.2 -River Morphology (**) 6.7.3 -Temperature (**).••••• 6.7.4 -Total Dissolved Gas Concentration (**) 6.7.5 -Ice (**)•.••••..•• 6.7.6 -Groundwater Flow,Temperature and Upwelling Rates (***). . . . . • 6.7.7 -Suspended Sediment and Turbidity .••• 6.7.8 -Eutrophication Processes ••••. E-2-6-13 E-2-6-14 E-2-6-14 E-2-6-14 E-2-6-14 E-2-6-14 E-2-6-15 E-2-6-15 E-2-6-16 E-2-6-16 E-2-6-16 6.8 -Mitigation -Watana Stage III - Construction (***). . . . . ....E-2-6-16 6.9 -Mitigation -Watana Stage III Impoundment (***)... . . .E-2-6-16 6.10 -Mitigation -Stage III Operation (***)E-2-6-17 851017 6.10.1 -Flows (***)..••. 6.10.2 -River Morphology (***) 6.10.3 -Temperatures (***).. 6.10.4 -Total Dissolved Gas Concentration (***) 6.10.5 -Ice (***).•.•.. xv E-2-6-17 E-2-6-17 E-2-6-17 E-2-6-18 E-2-6-18 TABLE OF CONTENTS (cont'd) 6.10.6 -Groundwater Flow,Temperature and Upwelling Rates (***)••.••••.• 6.10.7 -Suspended Sediment and Turbidity (***) 6.10.8 -Eutrophication (***)••••••-•••• Title E-2-6-19 E-2-7-1 E-2-8-1 E-2-6-18 E-2-6-19 E-2-6-19 Page No. • • ••e •• •eo.• • •0 • • •eo.0 •e • ••0 • • • • • 0 • • • • • •0 •• EXHIBIT E -CHAPTER 2 WATER USE AND QUALITY 6.11 -Mitigation -Access Road and Transmission Lines (***)• 7 -REFERENCES 8 -GLOSSARY I I '.I 851017 xvi Number E.2.2.l E.2.2.2 E.2.2.3 E.2.2.4 E.2.2.S E.2.2.6 E.2.2.7 E.2.2.S E.2.2.9 E.2.2.l0 E.2.2.ll E.2.2.l2 E.2.2.l3 E.2.2.l4 E.2.2.lS E.2.2.l6 E.2.2.l7 E.2.2.lS 851017 SUSITNA HYDROELECTRIC PROJECT LICENSE APPLICATION EXHIBIT E -CHAPTER 2 WATER USE AND QUALITY LIST OF TABLES Title SUSITNA RIVER REACH DEFINITIONS REPRESENTATIVE BED MATERIAL SIZE DISTRIBUTION FOR SELECTED SLOUGHS,SIDE CHANNEL AND MAINSTREAM SITES TRANSPORTABLE BED MATERIAL SIZES IN SELECTED SLOUGHS, SIDE CHANNEL AND MAINSTREAM SITES PERIODS OF RECORD FOR GAGING STATIONS USGS STREAMFLOW SUMMARY WATANA NATURAL MONTHLY FLOWS DEVIL CANYON NATURAL MONTHLY FLOWS COMPUTED WEEKLY FLOWS FOR SaSITNA RIVER AT WATANA DAMSITE COMPUTED WEEKLY FLOWS FOR SUSITNA RIVER AT DEVIL CANYON GOLD CREEK NATURAL MONTHLY FLOWS NATURAL WEEKLY FLOWS FOR SUSITNA RIVER AT GOLD CREEK FILLED WEEKLY FLOWS FOR SUSITNA RIVER AT SUNSHINE FILLED WEEKLY FLOWS FOR SUSITNA RIVER AT SUSITNA STATION FILLED STREAMFLOW SUMMARY CHULITNA NATURAL MONTHLY FLOWS SUSITNA STATION NATURAL MONTHLY FLOWS CHULITNA NATURAL MONTHLY FLOWS TALKEETNA NATURAL MONTHLY FLOWS xvii ------------------_.-----------,.._-_."._--------------_._....- BED MATERIAL SIZE DISTRIBUTION OF SUSITNA RIVER J 1 .J --"....__._---_.._--- j l ,1 / ,',1 :1 -1 1 .( 1 I I 1 ,) <1 I <'i! xviii LIST OF TABLES (cont'd) EXHIBIT.E -CHAPTER 2 WATER USE AND QUALITY WATER SURFACE ELEVATIONS NUMBER OF BEDLOAD SAMPLES COLLECTED UP TO.FEBRUARY 1984 SUSITNA RIVER BETWEEN THE CHULITNA CONFLUENCE AND GOLD CREEK WATER SURFACE ELEVATIONS SUMMARY STATISTICS FOR HABITAT VARIABLES RECORDED ON THE HEC 2 WATER SURFACE ELEVATIONS SUSPENDED SEDIMENT CONCENTRATION DETECTION LIMITS AND CRITERIA FOR WATER QUALtTY PARAMETERS 19821'IJRBtDITYAND SUSPENDED SEDIMENT ANALYSIS COMPARISON OF SUSITNA REGIONAL FLOOD PEAK ESTIMATES WITH USGS FOR GOLD CREEK WATER DISCHARGE AND ESTIMATED SEDIMENT TRANSPORT AT SELECTED SITES ON SUSITNA RIVER,MAY 1982 THROUGH SEPTEMBER 1 PARAMETERS EXCEEDING CRITERIA BY STATION AND SEASON FLOOD VOLUME FREQUENCY AT WATANA AND DEVIL CANYON INSTANTANEOUS PEAK FLOWS OF RECORD MAJOR ANNUALLYRECURRfNGOPENLEADS BETWEEN SUNSHINE AND DEVIL CANYON LOCATIONS AND DIMENSIONS ON MARCH 2,1983 FLOOD PEAKS FREQUENCY AT WATANA AND DEVIL CANYON Title .PARTICLESIZE.DISTRIBUTION OF SUSPENDED SEDIMENT E.2.2.23 E.2.2.33 E.2.2.36 E.2.2.25 Number E.2.2.29 E.2.2.27 E.2.2.24 E.2.2.32 E.2.2.26 851017 E.2.2.22 E.2.2.19 E.2.2.20 E'.2.2.21 E.2.2.30 E.2.2.34 E.2.2.35 Number E.2.2.37 E.2.2.38 E.2.2.39 E.2.2.40 E.2.2.41 E.2.2.42 E.2.2.43 E.2.2.44 E.2.2.45 E.2.2.46 E.2.2.47 E.2.2.48 E.2.2.49 E.2.2.50 851017 EXHIBIT E -CHAPTER 2 WATER USE AND QUALITY LIST OF TABLES (cont'd) Title BETWEEN THE CHULITNA RIVER CONFLUENCE AND DEVIL CANYON, MAY 18 TO SEPTEMBER 25,1983 SUMMARY STATISTICS FOR HABITAT VARIABLES RECORDED ON THE SUSITNA RIVER BETWEEN THE CHULITNA RIVER CONFLUENCE AND DEVIL CANYON,MAY 14 THROUGH OCTOBER 6,1984 SIGNIFICANT ION CONCENTRATIONS LAKES POTENTIALLY IMPACTED BY ACCESS ROADS AND/OR TRANSMISSION LINES STREAMS AND SLOUGHS TO BE PARTIALLY OR COMPLETELY INUNDATED BY WATANA RESERVOIR STREAMS AND SLOUGHS TO BE PARTIALLY OR COMPLETELY INUNDATED BY DEVIL CANYON RESERVOIR STREAMS AND SLOUGHS TO BE PARTIALLY OR COMPLETELY INUNDATED BY WATANA RESERVOIR DOWNSTREAM TRIBUTARIES POTENTIALLY IMPACTED BY PROJECT OPERATION SUMMARY OF SURFACE WATER AND GROUND WATER APPROPRIATIONS WATER RIGHT APPROPRIATIONS ADJACENT TO THE SUSITNA RIVER SUSITNA HYDROELECTRIC PROJECT PRIMARY ACTIVITIES FOR BOATS EXITING THE SUSITNA RIVER AT THREE LOCATIONS BOATS WITH NAVIGATIONAL PROBLEMS BY EXIT LOCATION,1984 TEMPORAL SALINITY ESTIMATES FOR SELECT COOK INLET LOCATIONS ESTIMATED LOW AND HIGH FLOWS AT ACCESS ROUTE STREAM CROSSINGS AVAILABLE STREAMFLOW RECORDS FOR MAJOR STREAMS CROSSED BY TRANSMISSION x~x EXHIBIT E -CHAPTER 2 WATER·USE AND QUALtTY LIST OF TABLES (cont'd) Number Title E.2.3.1 RESERVOIR OPERATION LEVEL CONSTRAINTS xx IMPORTANT USES OF HABITAT TYPES BY EVALUATION SPECIES STANDARD WATER WEEKS FOR ANY WATER YEAR N FLOW CONSTRAINTS FOR ENVIRONMENTAL FLOW REQUIREMENT CASE E-III FLOW CONSTRAINTS FOR ENVIRONMENTAL FLOW REQUIREMENT CASE E-IVb FLOW CONSTRAINTS FOR ENVIRONMENTAL FLOW REQUIREMENT CASE E-VI INFLUENCE OF MAINSTEM FLOW AND WATER QUALITY ON CHARACTERISTICS OF AQUATIC HABITAT TYPES FLOW CONSTRAINTS FOR ENVIRONMENTAL FLOW REQUIREMENT CASE E-I SUSITNA DEPENDABLE CAPACITY AND USABLE ENERGY PRODUCTION,SHCA FORECAST PRIMARY UTILIZATION OF SENSITIVE HABITAT TYPES BY EVALUATION SPECIES FLOW CONSTRAINTS FOR ENVIRONMENTAL FLOW REQUIREMENT CASE E--II FLOW CONSTRAINTS FOR ENVIRONMENTAL FLOW REQUIREMENT CASE E-IV FLOW CONSTRAINTS FOR E:NVIRONME:l'lTAL FLOW REQUIREMENT CASE E-IVa ECONOMIC ANALYSIS OF ENVIRONMENTAL FLOW CASES,SHCA _._FORECAST E.2.3.5 E.2.3.2 E.2.3.10 E.2.3.4 E.2.3.7 E.2.3.15 E.2.3.6 E.2.3.3 E.2.3.8 E.2.3.13 E.2.3.14 E.2.3.ll 851017 ----------------E.-2.-:3.12-----F:GOW--CONSTRAINT"S FOR ENVIRONMENTAL FLOW REQUIREMENT CASE E-V Number E.2.3.l5 E.2.3.16 E.2.4.1 E.2.4.2 E.2.4.3 E.2.4.4 E.2.4.5 E.2.4.6 E.2.4.7 E.2.4.8 E.2.4.9 E.2.4.10 E.2.4.11 E.2.4.12 E.2.4.13 851017 EXHIBIT E -CHAPTER 2 WATER USE AND QUALITY LIST OF TABLES (cont'd) Title ECONOMIC ANALYSIS OF FLOW CASES DEPENDABLE CAPACITY AND ENERGY PRODUCTION LINKED SYSTEM FOR ESTIMATING IMPACTS OF SUSITNA HYDROELECTRIC PROJECT ON WATER USE AND QUALITY SUSITNA HYDROELECTRIC PROJECT CHARACTERISTICS USED IN PROJECT FLOW AND TEMPERATURE SIMULATIONS SIMULATION OF WATANA STAGE I FILLING WATER LEVEL AND DISCHARGE VARIATIONS AT RIVER MILE 130 FOR VARIOUS DAILY AVERAGE DISCHARGES AND DISCHARGE FLUCTUATIONS AT WATANA POWERHOUSE FLUCTUATING WATER LEVEL -CASES ILLUSTRATED ON FIGURES E.2.4.19 THROUGH E.2.4.30 SURFACE AREA AT GIVEN DISCHARGE FOR VARIOUS SUSITNA RIVER DISCHARGES WITH-PROJECT WATANA MONTHLY FLOWS, STAGE I,WATANA (LOW)OPERATION,1996 LOAD CONDITIONS WITH PROJECT WATANA MONTHLY FLOWS (CFS),STAGE I WITH-PROJECT GOLD CREEK MONTHLY FLOWS,STAGE I WITH-PROJECT SUNSHINE MONTHLY FLOWS,STAGE I WITH-PROJECT SUSITNA STATION MONTHLY FLOWS,STAGE I MONTHLY MAXIMUM,MINIMUM AND MEAN FLOWS AT WATANA,STAGE I OPERATION MONTHLY MAXIMUM,MINIMUM AND MEAN FLOWS AT GOLD CREEK, STAGE I OPERATION MONTHLY MAXIMUM,MINIMUM AND MEAN FLOWS AT SUNSHINE, STAGE I OPERATION xx~ EXHIBIT E -CHAPTER 2 WATER USE AND QUALITY " J I 1 i 1 I } 1 ! j j .1 \ I j ! ..I 1 1 XX11 LIST OF TABLES (cont'd) SEDIMENT CONCENTRATION,STAGE I STREAM TEMPERATURES,WEATHER PERIOD:SUMMER 1982, NATURAL CONDITIONS AVERAGE TOTAL SUSPENDED SOLIDS AND TURBIDITY VALUES SETTLING COLUMN TESTS SETTLING COLUMN RUN 1/:2,TOTAL SUSPENDED SOLIDS AND TURBIDITY SETTLING COLUMN RUN #1,TOTAL SUSPENDED SOLIDS AND TURBIDITY STREAM TEMPERATURES,WEATHER PERIOD:SUMMER 1981 NATURAL CONDITIONS SIMULATED STREAM TEMPERATURES,WEATHER PERIOD:SUMMER 1981,'CASE E-VI FLOW REQUIREMENTS,STAGE I SIMULATED STREAM TEMPERATURES,WEATHER PERIOD:SUMMER 1982,CASE I-I FLOW REQUIREMENTS,STAGE I WATANA OUTLET WORKS OPERATION,STAGE I SIMULATED STREAM TEMPERATURES WEATHER PERIOD:SUMMER 1982,CASE E-VI FLOW REQUIREMENTS,STAGE I MONTHLY MAXIMUM,MINIMUM AND MEAN FLOWS AT SUSITNA STATION,STAGE I OPERATION SIMULATED STREAM TEMPERATURES,WEATHER PERIOD:SUMMER 1981,CASE E-VI FLOW REQUIREMENTS,STAGE I FLOOD PEAK FREQUENCY DATA fOR INTERVENING AREAS Title ,MAXIMUM SIMULATED RI VER STAGES,WINTER 1981:..82,FLOW CASE E-VI,INFLOW-MATCHING E..4.25 E.2.4.27 E.2.4.26 E.2.4.22 E.2.4.28 E.2.4.24 E.2.4.19 851017 E.2.4.21 E.2.4.23 E.2.4.20 E.2.4.17 E.2.4.15 E.2.4.16 E.2.4.18 Number E.2.4.14 MAXIMUM SIMULATED RIVER STAGES,WINTER 1981-82,FLOW ..____CASE E A,-I-NFl.OW-MATCH-ING.---..---·..·.... Number E.2.4.23 E.2.4.24 E.2.4.25 E.2.4.26 E.2.4.27 E.2.4.28 E.2.4.29 E.2.4.30 E.2.4.31 E.3.5.32 E.2.4.33 E.2.4.34 E.2.4.35 E.2.4.36 E.2.4.37 851017 EXHIBIT E -CHAPTER 2 WATER USE AND QUALITY LIST OF TABLES (cont'd) Title MAXIMUM SIMULATED RIVER STAGES,WINTER 1981-82,FLOW CASE E-VI,INFLOW-MATCHING MAXIMUM SIMULATED RIVER STAGES,WINTER 1981-82,FLOW CASE E-A,INFLOW-MATCHING SEDIMENT CONCENTRATION,STAGE I SETTLING COLUMN RUN #1,TOTAL SUSPENDED SOLIDS AND TURBIDITY SETTLING COLUMN RUN #2,TOTAL SUSPENDED SOLIDS AND TURBIDITY AVERAGE TOTAL SUSPENDED SOLIDS AND TURBIDITY VALUES SETTLING COLUMN TESTS TROPHIC STATUS AND RATES OF ANNUAL PRIMARY PRODUCTIVITY OBSERVED IN VARIOUS LAKES,LAKE-RESERVOIRS AND RESERVOIRS IN TEMPERATE,SUBARCTIC AND ARCTIC REGIONS OF THE NORTHERN HEMISPHERE PERCENT OF TIME NAVIGATION FLOWS EXCEEDED DURING STAGE I OPERATION WITH-PROJECT WATANA MONTHLY FLOWS,STAGE II, WITH-PROJECT DEVIL CANYON MONTHLY FLOWS,STAGE II, WITH-PROJECT GOLD CREEK MONTHLY FLOWS,STAGE II, WITH-PROJECT SUNSHINE MONTHLY FLOWS,STAGE II, WITH-PROJECT SUSITNA STATION MONTHLY FLOWS,STAGE II, MONTHLY MAXIMUM,MINIMUM AND MEAN FLOWS AT DEVIL CANYON, STAGE II MONTHLY MAXIMUM,MINIMUM AND MEAN FLOWS AT GOLD CREEK, STAGE II xxiii EXHIBIT E -CHAPTER 2 WATER USE AND QUALITY --_._.•.~"---.-,.._--_." ···········E·.-2-.4-.-44-------S-IMU·liATED--STREAW-TEMPERATURES-;--WEA'I'HEICPERIOIf:---SUMMER .-..--.----------.-...-----------1·9 8-2,--GA·SE---E-V-I-FI::;OW---REQUIREMENTS-;--STAGE--II;---SO--FT---- DRAWDOWN,3 LEVEL INTAKE Number E.2.4.38 E.2.4.36 E.2.4.37 E.2.4.38 E.2.4.39 E.2.4.40 E.2.4.41 ..··E;.2;.4;;.42· E.2.4.43 E.2.4.45 851017 .LIST OF TABLES (cont'd) Title MONTHLY MAXIMUM,MINIMUM AND MEAN FLOWS AT SUNSHINE, STAGE II MONTHLY MAXIMUM,MINIMUM AND MEAN FLOWS AT DEVIL CANYON, STAGE II MONTHLY MAXIMUM,MINIMUM AND MEAN FLOWS AT GOLD CREEK, STAGE II MONTHLY MAXIMUM,MINIMUM AND MEAN FLOWS AT SUNSHINE, STAGE II MONTHLY MAXIMUM,MINIMUM AND MEAN FLOWS AT SUSITNA STATION,STAGE II DEVIL CANYON OUTLET WORKS OPERATION,STAGE II, SIMULATED STREAM TEMPERATURES,WEATHER PERIOD:SUMMER 1981,CASE E-VI FLOW REQUIREMENTS,STAGE II,50 FT. DRAWDOWN AT DEVIL CANYON,2 LEVEL INTAKE ~~C-'--.~_·_~_·__··_·_·~·,·_• .-SIMU'LAn;D--STRE~TEMPERATURES-:WEATHER PERIOD:SUMMER 1982,CASE E-VI FLOW REQUIREMENTS,STAGE II,50 FT DRAWDOWN AT DEVIL CANYON.2 .LEVEL INTAKE SIMULATED STREAMTEMPERATURES~WEATHER PERIOD:SUMMER 1981,CASE E-VI FLOW REQUIREMENTS,STAGE II,50 FT DRAWDOWN AT DEVIL CANYON,3 LEVEL INTAKE SIMULATED STREAM TEMPERATURES,WEATHER PERIOD:SUMMER 1981,CASE E-VI FLOW REQUIREMENTS,STAGE II,9 FT DRAWDOWN AT DEVIL CANYON,2 LEVEL INTAKE xxiv J 1 1 1 i I ,} .J 'j ! .j j 1 :j j j ] I Number E.2.4.46 E.2.4.47 E.2.4.48 851017 EXHIBIT E -CHAPTER 2 WATER USE AND QUALITY LIST OF TABLES (cont'd) Title SIMULATED STREAM TEMPERATURES,WEATHER PERIOD:SUMMER 1982,CASE E-VI FLOW REQUIREMENTS,STAGE II,9 FT DRAW DOWN AT DEVIL CANYON,2 LEVEL INTAKE SIMULATED STREAM TEMPERATURES,WEATHER PERIOD:SUMMER 1981,CASE E-I FLOW REQUIREMENTS,STAGE II,50 FT DRAW DOWN AT DEVIL CANYON,2 LEVELS OF PORTS SIMULATED STREAM TEMPERATURES,WEATHER PERIOD:SUMMER 1982,CASE E-I FLOW REQUIREMENTS,STAGE II,50 FT DRAWDOWN AT DEVIL CANYON,2 LEVELS OF PORTS SEDIMENT CONCENTRATION STAGE II PERCENT OF TIME NAVIGATION FLOWS EXCEEDED DURING STAGE II OPERATION WITH-PROJECT WATANA MONTHLY FLOWS,EARLY STAGE III WITH-PROJECT DEVIL CANYON MONTHLY FLOWS,EARLY STAGE WITH-PROJECT GOLD CREEK MONTHLY FLOWS,EARLY STAGE III WITH-PROJECT SUNSHINE MONTHLY FLOWS,EARLY STAGE III WITH-PROJECT SUSITNA STATION MONTHLY FLOWS,EARLY STAGE III WITH-PROJECT WATANA MONTHLY FLOWS,LATE STAGE III WITH-PROJECT DEVIL CANYON MONTHLY FLOWS,LATE STAGE III WITH-PROJECT GOLD CREEK MONTHLY FLOWS,LATE STAGE III WITH-PROJECT SUNSHINE MONTHLY FLOWS,LATE STAGE III WITH-PROJECT SUSITNA STATION MONTHLY FLOWS,LATE STAGE III MONTHLY MAXIMUM,MINIMUM AND MEAN FLOWS AT DEVIL CANYON, STAGE III xxv Number E.2.4.62 E.2.4.63 E.2.4.64 E.2.4.65 E.2.4.66 E.2.4.67 E.2.4.68 E.2.4.70 E.2.4.71 E.2.4.72 E.2.4.73 E.2.4.74 851017 EXHIBIT E -CHAPTER 2 WATER USE AND QUALITY LIST OF TABLES (cont'd) Title MONTHLY MAXIMUM,MINIMUM AND MEAN FLOWS AT GOLD CREEK, STAGE III MONTHLY MAXIMUM,MINIMUM AND MEAN FLOWS AT SUNSHINE, STAGE III MONTHLY MAXIMUM,MINIMUM AND MEAN FLOWS AT SUSITNA STATION,STAGE III DEVIL CANYON OUTLET WORKS OPERATION,EARLY STAGE III DEVIL CANYON OUTLET WORKS OPERATION,LATE STAGE II SIMULATED STREAM TEMPERATURES,WEATHER PERIOD:SUMMER 1981,CASE E-VIFLOW-REQUIREME-NTS,LATE'STAGE III,50 FT .DRAWDOWN AT DEVIL CANYON,2 LEVELS OF PORTS SIMULATED STREAM TEMPERATURES,WEATHER PERIOD:SUMMER 1982,CASE E-VI FLOW REQUIREMENTS,LATE STAGE III,50 FT DRAWDOWN AT DEVIL CANYON,2 LEVELS OF PORTS ,---STREAM-'DEMPEcRA-'FURES-,WEATHE-R-PERIOD:SUMMER 1981;CASE E-VI FLOW REQUIREMENTNS,EARLY STAGE III STREAM TEMPERATURES,WEATHER PERIOD:SUMMER 1982,CASE E-VI FLOW REQUIREMENTS,EARLY STAGE III SIMULATED STREAM TEMPERATURES,WEATHER PERIOD:SUMMER 1981,CASE E-1 FLOWREQUIREMENTS,LATE STAGE III,50 FT .J2RAWD_QWN_AT__DEVIL ..CANYON,.-2LEVELS··--------..__..---. SIMULATED STREAM TEMPERATURES,WEATHER PERIOD:SUMMER 1982,CASE E-I FLOW REQUIREMENTS,LATE STAGE III,50 FT DRAWDOWN AT DEVIL CANYON,2 LEVELS OF PORTS SEDIMENT CONCENTRATION.STAG:E_III PERCENT OF TIME NAVIGATION FLOWS EXCEEDED DURING STAGE III OPERATION xxvi ,1 ,) Number E.2.2.1 E.2.2.2 E.2.2.3 E.2.2.4 E.2.2.5 E.2.2.6 E.2.2.7 E.2.2.8 E.2.2.9 E.2.2.10 E.2.2.11 E.2.2.12 E.2.2.13 E.2.2.14 E.2.2.15 E.2.2.16 E.2.2.17 E.2.2.18 E.2.2.19 E.2.2.20 851017 EXHIBIT E -CHAPTER 2 WATER USE AND QUALITY LIST OF FIGURES Title STREAMFLOW GAGING AND WATER QUALITY MONITORING STATION SINGLE-CHANNEL RIVER PATTERN SPLIT CHANNEL RIVER PATTERN BRAIDED-CHANNEL RIVER PATTERN MULTI CHANNEL RIVER PATTERN SUSITNA RIVER THALWEG DEADMAN CREEK TO DEVIL CREEK SUSITNA RIVER THALWEG AND WATER SURFACE PROFILES DEVIL CANYON TO RIVER MILE 126 SUSITNA RIVER THALWEG AND WATER SUSITNA RIVER THALWEG PROFILE SUNSHINE TO COOK INLET CROSS SECTION NUMBER 32 NEAR SHERMAN CREEK (RIVER MILE 129.7) BED MATERIAL SAMPLE SITE LOCATIONS SUSITNA RIVER PLAN INDEX MAP SUSITNA RIVER PLAN RIVER MILE 152 TO RIVER MILE 145 SUSITNA RIVER PLAN RIVER MILE 145 TO RIVER MILE 139 SUSITNA RIVER PLAN RIVER MILE 138 TO RIVER MILE 132 SUSITNA RIVER PLAN RIVER MILE 131 TO RIVER MILE 125 SUSITNA RIVER PLAN RIVER MILE 124 TO RIVER MILE 118 SUSITNA RIVER PLAN RIVER MILE 117 TO RIVER MILE 111 SUSITNA RIVER PLAN RIVER MILE 110 TO RIVER MILE 104 SUSITNA RIVER PLAN RIVER MILE 103 TO RIVER MILE 101 xxv~~ Number E.2.2.21 E.2.2.22 E.2.2.23 E.2.2.24 E.2.2.25 E.2.2.26 E.2.2.27 E.2.2.28 E.2.2.29 E.2.2.30 E.2.2.31 E.2.2.32 E.2.2.33 E.2.2.35 E.2.2.36 E.2.2.37 851017 EXHIBIT E -CHAPTER 2 WATER USE AND QUALITY LIST OF FIGURES (cant'd) Title SUSITNA .RIVER PLAN RIVER MILE 100 TO RIVER MILE 97 SUSITNA HYDROELECTRIC PROJECT MAIN RIVER CHANNEL NEAR RIVER CROSS SECTION LRX 4 SUSITNA HYDROELECTRIC PROJECT MAIN CHANNEL BETWEEN RIVER CROSS SECTIONS LRX 12 AND LRX 13 SUSITNA HYDROELECTRIC PROJECT MAIN CHANNEL UPSTREAM FROM LANE CREEK SUSITNA HYDROELECTRIC PROJECT MAIN CHANNEL NEAR AND UPSTREAM FROM 4TH OF JULY CREEK SUSITNA HYDROELECTRIC PROJECT MAIN CHANNEL BETWEEN RIVER CROSS SECTIONS 46 AND 48 SLOUGH 9 THALWEG PROFILE SLOUGH 9 CROSS SECTION 1964 .~Al'J;rR.A.L_J.;·LQWS CANTWELL,WA'l'ANAANDGOIiD CREEK--- 1967 NATURAL FLOWS CANTWELL,WATANA AND GOLD CREEK 1970 NATURAL FLOWS CANTWELL,WATANA AND GOLD CREEK ANNUAL FLOOD FREQUENCY CURVE SUSITNA RIVER NEAR DENALI ANNUAL FLOOD ANNUAL FLOOD FREQUENCY CURVE CHULITNA RIVER NEAR TALKEETNA ANNUAL FLOOD FREQUENCY CURVE TALKEETNA RIVER NEAR. TALKEETNA ANNUAL FLOODFIlEQUENCY CURVE SKWENTNA RIVER NEAR SKWENTNA xxviii ,. ) J ') 1 ! 1 j \ I.] .j 1 l I Number E.2.2.38 E.2.2 •.J9 E.2.2.40 E.2.2.41 E.2.2.42 E.2.2.43 E.2.2.44 )J E.2.2.45 E.2.2.46 E.2.2.47 E.2.2.48 E.2.2.49 E.2.2.s0 851017 EXHIBIT E -CHAPTER 2 WATER USE AND QUALITY LIST OF FIGURES (cont'd) Title SUSITNA HYDROELECTRIC PROJECT FLOOD FREQUENCY CURVE SUSITNA RIVER AT GOLD CREEK SUSITNA HYDROELECTRIC PROJECT FLOOD FREQUENCY CURVES FOR INTERVENING AREA BETWEEN CANTWELL AND GOLD CREEK ANNUAL SERIES SUSITNA HYDROELECTRIC PROJECT FLOOD PEAK FREQUENCY CURVES FOR NATURAL AND WITH-PROJECT CONDITIONS AT SUNSHINE MAXIMUM OF ANNUAL AND JULY-SEPTEMBER SERIES SUSITNA HYDROELECTRIC PROJECT FLOOD FREQUENCY CURVES AT SUSITNA STATION MAXIMUM OF ANNUAL AND JULY- SEPTEMBER SERIES SO-YEAR ANNUAL MAXIMUM FLOOD HYDROGRAPH AT WATANA SO-YEAR ANNUAL MAXIMUM FLOOD HYDROGRAPH AT DEVIL CANYON MONTHLY AND ANNUAL FLOW DURATION CURVES SUSITNA .RIVER NEAR DENALI,SUSITNA RIVER NEAR CANTWELL,SUSITNA RIVER AT GOLD CREEK MONTHLY AND ANNUAL FLOW DURATION CURVES SUSITNA RIVER AT SUSITNA STATION MONTHLY AND ANNUAL FLOW DURATION CURVES MACLAREN RIVER AT PAXSON MONTHLY AND ANNUAL FLOW DURATION CURVES CHULITNA RIVER NEAR TALKEETNA,TALKEETNA RIVER NEAR TALKEETNA SUSITNA RIVER AT GOLD CREEK HIGH-FLOW FREQUENCY CURVES JANUARY SUSITNA RIVER AT GOLD CREEK HIGH-FLOW FREQUENCY CURVES FEBRUARY SUSITNA RIVER AT GOLD CREEK HIGH-FLOW FREQUENCY CURVES MARCH XX:LX EXHIBITE-CHAPTER 2 WATER USE AND QUALITY LIST OF FIGURES (cont'd) Number E.2.2.51 E.2.2.52 E.2.2.53 E.2.2.54 E.2.2.55 E.2.2.56 Title SUSITNA RIVER AT GOLD CREEK HIGH-FLOW FREQUENCY CURVES APRIL SUSITNA RIVER AT GOLD CREEK HIGH-FLOW FREQUENCY CURVES MAY SUSITNA RIVER AT GOLD CREEK HIGH-FLOW FREQUENCY CURVES JUNE SUSITNA RIVER AT GOLD CREEK HIGH-FLOW FREQUENCY CURVES JULY AND AUGUST SUSITNA RIVER AT GOLD CREEK HIGH-FLOW FREQUENCY CURVES SEPTEMBER AND OCTOBER SUSITNA RIVER AT GOLD CREEK HIGH-FLOW FREQUENCY CURVES NOVEMBER ] ! I ~l ] E.2.2.57 SUSITNA RIVER AT GOLD CREEK HIGH-FLOW FREQUENCY CURVES DECEMBER _._~.-. K.2.Z.58 -·"SfJSITNA RIVER--ATGO:LDCREEICLOW::';FLOW FREQUENCY CURVES JANUARY E.2.2.59 SUSITNA RIVER AT GOLD CREEK LOW~FLOW FREQUENCY CURVES FEBRUARY E.2.2.60 SUSITNA RIVER AT GOLD CREEK LOW-FLOW FREQUENCY CURVES MARCH E.2•2•61 .SUS I_T.NA_RLVER-A.T-GOLD-CREEK--1Gvl-F'];.GW-F·RE~UENcy-··eURVES-· APRIL E.2.2.62 SUSITNA RIVER AT GOLD CREEK LOW-FLOW FREQUENCY CURVES MAY E.2.2.63 SUSITNA RIVER AT GOLD CREEK LOW"",FLOW FREQUENCY CURVES JUNE E.2.2.64 SUSITNA RIVER AT GOLD CREEK LOW-FLOW FREQUENCY CURVES JULY AND AUGUST 851017 xxx I 'l :1 j j J 1 I( I 1 l' Number E.2.2.65 E.2.2.66 E.2.2.67 E.2.2.68 E.2.2.69 E.2.2.70 E.2.2.7l E.2.2.72 . E.2.2.73 E.2.2.74 E.2.2.75 E.2.2.76 E.2.2.77 E.2.2.78 E.2.2.79 E.2.2.80 E.2.2.81 851017 EXHIBIT E -CHAPTER 2 WATER USE AND QUALITY LIST OF FIGURES (cont'd) Title SUSITNA RIVER AT GOLD CREEK LOW-FLOW FREQUENCY CURVES SEPTEMBER AND OCTOBER SUSITNA RIVER AT GOLD CREEK.LOW-FLOW FREQUENCY CURVES NOVEMBER SUSITNA RIVER AT GOLD CREEK LOW-FLOW FREQUENCY CURVES DECEMBER BACKWATER PROFILES AT THE MOUTH OF SLOUGH 9 OBSERVED WATER SURFACE ELEVATIONS AT MOUTH OF SLOUGH 9 FOR ASSOCIATED MAINSTEM DISCHARGES AT GOLD CREEK SUSITNA RIVER WATER TEMPERATURES SUMMER 1980 SUSITNA RIVER WATER TEMPERATURES SUMMER 1981 SUSITNA RIVER AT WATANA WEEKLY AVERAGE WATER TEMPERATURE 1981 WATER YEAR SUSITNA RIVER -WATER TEMPERATURE GRADIENT DATA SUMMARY -TEMPERATURE LOCATION MAP FOR 1982 MID WINTER TEMPERATURE STUDY SITES WINTER INTERGRAVEL WATER TEMPERATURES SIDE SLOUGH HABITATS WINTER SURFACE WATER TEMPERATURES SIDE SLOUGH HABITATS SUMMER SURFACE AND INTERGRAVELTEMPERATURES SLOUGH 84 SUMMER SURFACE AND INTERGRAVEL TEMPERATURES SLOUGH 9 SUMMER SURFACE AND INTERGRAVEL TEMPERATURES SLOUGH 11 COMPARISON OF WEEKLY DIEL SURFACE WATER TEMPERATURE VARIATIONS IN SLOUGH 21 AND THE MAINSTREAM SUSITNA RIVER AT PORTAGE CREEK 1981 xxxi EXHIBIT E -CHAPTER 2 WATER USE AND QUALITY .....__.._._J::._~.~!.2~L---,MAL NSTEMDI SCHARGE,WAT-ER-TEMPERATURE.,AND-TURBTDITY··---- _______RECORDE_D__AT~__THE __GOLD__CREEK_STA-'r-1QN-,-BUS-I-TNA--RI-VE-R-··~----'--'· Number E.2.2.82 E.2.2.83 E.2.2.84 E.2.2.8S E.2.2.86 E.2.2.87 E.2.2.88 E.2.2.89 E.2.2.91 E.2.2.92 E.2.2.93 E.2.2.9S E.2.2.96 E.2.2.97 851017 LIST OF FIGURES (cont'd) Title SUSITNA RIVER,PORTAGE CREEK AND INDIAN RIVER WATER TEMPERATURES SUMMER 1982 DAILY WATER TEMPERATURES OF SUSITNA RIVER MAINSTEM AND INDIAN RIVER DAILY TEMPERATURES OF MAINSTEM SUSITNA RIVER AND PORTAGE CREEK COMPARISON OF 1982 TALKEETNA,CHULITNA,AND SUSITNA RIVER WATER TEMPERATURES DAILY TEMPERATURES OF MAINSTEM SUSITNA RIVER,CHULITNA RIVER AND TALKEETNA RIVER TEMPERATURE OF MAINSTEM SUSITNA RIVER AND YENTNA RIVER WATER SURFACE PROFILES ON SUSITNA RIVER RELATIONSHIP BETWEEN ARMORING SIZE AND RIVER DISCHARGE SUSPENDED SEDIMENT SIZE DISTRIBUTION SUSITNA RIVER DATA SUMMARY ...TURBIDITY TURBIDITY VS.SUSPENDED SEDIMENT CONCENTRATION TURBIDITY DATA SUMMARY SHOWING RANGE,25TH,50TH (MEDIAN),AND 75TH PERCENTILE FOR MAINSTEM AND TRIBUTARY STUDY SITES TURBIDITY,WATER TEMPE:RATURE,AND SUSITNA RIVER DISCHARGE VS.TIME AT THE TALKEETNA FISHWHEEL CAMP MAINSTEM DISCHARGE,WATER TEMPERATURE,AND TURBIDITY IN THE MIDDLE REACH OF THE SUSITNA RIVER,1984 xxxii ] .1 .-J 1 l .l :.J J '1 "j ) j 1 \ I ] l 1 j Number E.2.2.98 E.2.2.99 E.2.2.100 E.2.2.101 E.2.2.102 E.2.2.103 I E.2.2.104 E.2.2.105 I E.2.2.106 E.2.2.107 E.2.2~108 E.2.2.109 E.2.2.110 E.2.2.111 E.2.2.112 E.2.2.113 E.2.2.114 E.2.2.115 851017 EXHIBIT E -CHAPTER 2 WATER USE AND QUALITY LIST OF FIGURES (cont'd) Title RANGE OF TURBIDITY DURING UNBREACHED AND BREACHED CONDITIONS FOR SIDE SLOUGH HABITATS RANGE OF TURBIDITY DURING UNBREACHED AND BREACH$D CONDITIONS FOR SIDE SLOUGH HABITATS AN EMPIRICALLY DERIVED,GENERALIZED RELATIONSHIP BETWEEN TURBIDITY AND THE MAXIMUM EUPHOTIC ZONE DEPTH DATA SUMMARY -DISSOLVED OXYGEN DATA SUMMARY DISSOLVED OXYGEN %SATURATION DISSOLVED OXYGEN DATA SUMMARY DISSOLVED OXYGEN DATA SUMMARY TOTAL DISSOLVED GAS (PERCENT SATURATION)VS.DISCHARGE RELATIONSHIPS BETWEEN GAS CONCENTRATION AND DISTANCE DOWNSTREAM OF PROPOSED DEVIL CANYON DAM SITE DATA SUMMARY -TOTAL PHOSPHORUS DATA SUMMARY -ORTHOPHOSPHATE DATA SUMMARY -NITRATE NITROGEN DATA SUMMARY -NITRATE NITROGEN DATA SUMMARY -TOTAL DISSOLVED SOLIDS DATA SUMMARY -CONDUCTIVITY CONDUCTIVITY DATA SUMMARY SHOWING RANGE,25TH,50TH (MEDIAN),AND 75TH PERCENTILE FOR MAINSTEM AND TRIBUTARY STUDY SITES DATA SUMMARY -SULFATE DATA SUMMARY -CHLORIDE xxxiii EXHIBITE -CHAPTER 2 WATER USE AND QUALITY LIST OF FIGURES (cont'd) Number Title E.2.2.116 DATA SUMMARY -CALCIUM (d) ] 1 J J 'I J 1 J 1 ] ] 1 J ] xxxiv DATA SUMMARY -MAGNESIUM (d) DATA SUMMARY -SODIUM (d) DATA SUMMARY -POTASSIUM (d) DATA SUMMARY -pH DATA SUMMARY -HARDNESS pH DATA SUMMARY SHOWING RANGE,25TH,50TH (MEDIAN),AND 75TH PERCENTILE FOR MAINSTEM AND TRIBUTARY WATER QUALITY STUDY SITES E.2.2.123 DATA SUMMARY -ALKALINITY E.2.2.124 DATA SUMMARY -FREE CARBON DIOXIDE E.2.2.125 DATA SUMMARY -TOTAL ORGANIC CARBON E.2.2.126 DATA SUMMARY -CHEMICAL OXYGEN DEMAND E.2.2.127 DATA SUMMARY -TRUE COLOR E.2.2.128 DATA SUMMARY -ALUMINUM (d) E.2.2.129 DATA SUMMARY -ALUMINUM (t) E.2.2.131 DATA SUMMARY -CADMIUM (d) E.2.2.132 DATA SUMMARY -CADMIUM (t) E.2.2.133 DATA SUMMARY -COPPER (d) E.2.2.134 DATA SUMMARY -COPPER (t E.2.2.135 DATA SUMMARY -IRON (t) E.2.2.118 E.2.2.121 E.2.2.122 E.2.2.117 E.2.2.120 E.2.2.119 851017 ---~.,.".__..."._----,-,,-.-~-...E;·2-;-2~~-130---·····DA1'ASUMMARY.·-BI "'UTT"'U Number E.2.2.136 E.2.2.137 E.2.2.138 E.2.2.139 E.2.2.l40 E.2.2.141 E.2.2.142 E.2.2.143 E.2.2.144 E.2.2.145 E.2.2.146 E.2.2.147 E.2.2.148 E.2.2.149 E.2.2.150 E.2.3.1 E.2.3.2 E.2.3.3 851017 EXHIBIT E -CHAPTER 2 WATER USE AND QUALITY LIST OF FIGURES (cont'd) Title DATA SUMMARY -LEAD (t) DATA SUMMARY -MANGANESE (d) DATA SUMMARY -MANGANESE (t) DATA SUMMARY -MERCURY (d) DATA SUMMARY -MERCURY (t) DATA SUMMARY -NICKEL (t) DATA SUMMARY -ZINC (d) DATA SUMMARY -ZINC (t) WATER BODIES TO BE INUNDATED BY STAGE I WATANA RESERVOIR WATER BODIES TO BE INUNDATED BY STAGE II DEVIL CANYON RESERVOIR WATER BODIES TO BE INUNDATED BY STAGE III WATANA RESERVOIR TOWNSHIP GRIDS INVESTIGATED FOR WATER RIGHTS IN THE . SUSITNA RIVER BASIN SUSITNA RIVER PROPOSED HYDROELECTRIC DAM SITES AND BOAT LANDING SITES SELECT LOCATIONS OF COOK INLET SALINITY ESTIMATES TEMPORAL SALINITY ESTIMATES FOR COOK INLET NEAR THE SUSITNA RIVER MOUTH AREA AND CAPACITY CURVES -DEVIL CANYON RESERVOIR AREA AND CAPACITY CURVES -DEVIL CANYON RESERVOIR ENVIRONMENTAL FLOW REQUIREMENTS -CASE E-I xxxv Number E.2.3.4 E.2.3.5 E.2.3.6 E.2.3.7 E.2.3.8 E.2.3.9 E.2.3.10 E.2.4.1 E.2.4.2 E.2.4.3 E.2.4.4 E.2.4.5 E.2.4.6 E.2.4.7 E.2.4.8 E.2.4.10 E.2.4.11 E.2.4.12 E.2.4.14 851017 EXHIBIT E -CHAPTER 2 WATER USE AND QUALITY LIST OF FIGURES (cont'd) Title ENVIRONMENTAL FLOW REQUIREMENTS -CASE E-II ENVIRONMENTAL FLOW REQUIREMENTS -CASE E-III ENVIRONMENTAL FLOW REQUIREMENTS -CASE E-IV ENVIRONMENTAL FLOW REQUIREMENTS -CASE E-IVa ENVIRONMENTAL FLOW REQUIREMENTS -CASE E-IVb 'ENVIRONMENTAL FLOW REQUIREMENTS -CASE E-V ENVIRONMENTAL FLOW REQUIREMENTS -CASE E-VI WATANA BORROW SITE MAP WATANA BORROW SITE D WATANA BORROW SITE E FLOW VARIABILITY AT GOLD CREEK DURING WATANA FII.~lNG WATANA RESERVOIR OUTFLOW TEMPERATURE AND ICE GROWTH WATANA RESERVOIR TEMPERATURE PROFILES WATANA RESERVOIR TEMPERATURE PROFILES WATANA RESERVOIR TEMPERATURE PROFILES EKLUTNA LAKE LIGHT EXTINCTION IN SITU MEASUREMENTS WATANA WATER SURFACE ELEVATION,STAGE I WATANA WATER SURFACE ELEVATION MONTHLY SUMMARY,STAGE I ____~WATANARESERVO IRINFLOW,--STAGE---I-----" WATANA RESERVOIR OUTFLOW,..STAGEI xxxvi l ) 1 1 j ,j "'1 1 1 :1 ] l I ] ~,1 ] j ] Number E.2.4.15 E.2.4.16 E.2.4.17 r E.2.4.18 E.2.4.19 E.2.4.20 E.2.4.21 E.2.4.22 E.2.4.23 E.2.4.24 E.2.4.25 E.2.4.26 E.2.4.27 E.2.4.28 E.2.4.29 851017 EXHIBIT E -CHAPTER 2 WATER USE AND QUALITY LIST OF FIGURES (cont'd) Title WATANA WATER SURFACE ELEVATION,E-l,STAGE I,LOAD YEAR 2001 WATANA WATER SURFACE ELEVATION,E-l,MONTHLY SUMMARY, STAGE I WATANA RESERVOIR INFLOW,E-l,STAGE I WATANA RESERVOIR OUTFLOW,E-l,STAGE I DISCHARGE HYDROGRAPH AT LRX-23,RM 120.26,OXBOW II SIDE CHANNEL,CASE ACB . RIVER STAGE HYDROGRAPH AT LRX-23 ,RM 120.26,OXBOW II SIDE CHANNEL,CASE ACB DISCHARGE HYDRO GRAPH AT LRX-23,RM 120.26,OXBOW II SIDE CHANNEL,CASE ACC RIVER STAGE HYDROGRAPH AT LRX-Z3,RM 120.26,OXBOW II SIDE CHANNEL,CASE ACC DISCHARGE HYDROGRAPH AT LRX-23,RM 120.26,OXBOW II SIDE CHANNEL,CASE ACD RIVER STAGE HYDROGRAPH AT LRX-23,RM 120.26,OXBOW II SIDE CHANNEL,CASE ACD DISCHARGE HYDROGRAPH AT LRX-38,RM 132.90,4TH OF JULY CREEK SIDE CHANNEL,CASE CBA RIVER STAGE-HYDROGRAPH AT LRX-38,RM 132.90,4TH OF JULY CREEK SIDE CHANNEL,CASE CBA DISCHARGE HYDROGRAPH AT LRX-38,RM 132.90,4TH OF JULY CREEK SIDE CHANNEL,CASE CCB RIVER STAGE HYDROGRAPH AT LRX-38,RM 132.90,4TH OF JULY CREEK SIDE CHANNEL,CASE CCB DISCHARGE HYDROGRAPH AT LRX-38,RM 132.90,4TH OF JULY CREEK SIDE CHANNEL,CASE CCD xxxvii EXHIBIT E -CHAPTER 2 WATER USE AND QUALITY __._.E•.2.•A.1I..0-...--....-AJJ.ERAGE-WEEK-1¥-..SU-S.I-TNk--R-I'VER -FT:;OWS Ar--GOLlr-CREEK FOlf 1982 HYDROLOGY,STAGE I,E-VI FLOW REQUIREMENTS Number E.2.4.30 .E.2.4.31 E.2.4.32 E.2.4.33 E.2.4.34 E.2.4.35 E.2 •.4.36 E.2.4;37 E.2.4.38 E.2.4.39 E.2.4.41 E.2.4.43 851017 LIST OF FIGURES (cont'd) Title RIVER STAGE HYDRO GRAPH AT LRX-38,RM 132.90,4TH OF JULY CREEK SIDE CHANNEL,CASE CCD MEAN WEEKLY WATER LEVEL DIFFERENCES AT SLOUGH 8 (RM 127.1)RESULTING FROM MEAN WEEKLY FLOW DIFFERENCES MEAN WEEKLY WATER LEVEL DIFFERENCES AT SLOUGH 9 (RM 129.3)RESULTING FROM MEAN WEEKLY FLOW DIFFERENCES MEAN WEEKLY WATER LEVEL DIFFERENCES AT SLOUGH 11 (RM 136.7)RESULTING FROM MEAN WEEKLY FLOW DIFFERENCES MEAN WEEKLY WATER LEVEL DIFFERENCES AT SLOUGH 21 (RM 142.2)RESULTING FROM MEAN WEEKLY FLOW DIFFERENCES SURFACE AREA VS.DISCHARGE,SUSITNA RIVER BETWEEN DEVIL CANYON AND CHULITNA RIVER AVERAGE WEEKLY SUSITNA RIVER FLOWS AT GOLD CREEK FOR 1964 HYDROLOGY,STAGE I,E-VI FLOW REQUIREMENTS AVERAGE WEEKLYSfJSITNA RiVER.FLOWS AT GOLD CREEK FOR 1967 HYDROLOGY,STAGE I,E-VI FLOW REQUIREMENTS AVERAGE WEEKLY SUSITNA RIVER FLOWS AT GOLD CREEK FOR 1970 HYDROLOGY,STAGE I,E-VI FLOW REQUIREMENTS AVERAGE WEEKLY SUSITNA RIV~R AT GOLD CREEK FOR 1981 HYDROLOGY,STAGE I,E-VI REQUIREMENTS .....-.---._-.- WEEKLY AVERAGE WATER SURFACE ELEVATIONS AT RIVER MILE 124.4,STAGE I WEEKLY AVERAGE WATER SURFACE ELEVATIONS AT RIVER MILE 130.9,STAGE I WEEKLY AVERAGE WATER SURFACE ELEVATIONS AT RIVER MILE 142.3"STAGE I xxxviii ] 'j .j ] .l ] .,! 1 -j 1 ] l .j 1 1 J 'I .j I Number E.2.4.44 E.2.4.4,5 E.2.4.46 E.2.4.47 E.2.4.48 E.2.4.49 E.2.4.50 E.2.4.51 E.2.4.52 E.2.4.53 E.2.4.54 E.2.4.55 E.2.4.56 E.2.4.57 851017 EXHIBIT E -CHAPTER 2 WATER USE AND QUALITY LIST OF FIGURES (cont'd) Title AVERAGE WEEKLY SUSITNA RIVER STREAMFLOWS EXCEEDED 6%, 50%AND 97%OF THE TIME AT GOLD CREEK,STAGE I,E-VI FLOW REQUIREMENTS AVERAGE WEEKLY SUSITNA RIVER STREAMFLOWS EXCEEDED 6%OF THE TIME AT GOLD CREEK,STAGE I,E-VI FLOW REQUIREMENTS AVERAGE WEEKLY SUSITNA RIVER STREAMFLOWS EXCEEDED 50%OF THE TIME AT GOLD CREEK,STAGE I,E-VI FLOW REQUIREMENTS AVERAGE WEEKLY SUSITNA RIVER STREAMFLOWS EXCEEDED 97%OF THE TIME AT GOLD CREEK,STAGE I,E-VI FLOW REQUIREMENTS AVERAGE WEEKLY SUSITNA RIVER STREAMFLOWS EXCEEDED 6%, 50%AND 97%OF THE TIME AT GOLD CREEK,STAGE I,E-I FLOW REQUIREMENTS AVERAGE WEEKLY SUSITNA RIVER STREAMFLOWS EXCEEDED 6%OF THE TIME AT GOLD CREEK,STAGE I AVERAGE WEEKLY SUSITNA RIVER STREAMFLOWS EXCEEDED 50%OF THE TIME AT GOLD CREEK,STAGE I AVERAGE WEEKLY SUSITNA RIVER STREAMFLOWS EXCEEDED 97%OF THE TIME AT GOLD CREEK,STAGE I AVERAGE WEEKLY SUSITNA RIVER FLOWS AT GOLD CREEK FOR 1964 HYDROLOGY,STAGE I AVERAGE WEEKLY SUSITNA RIVER FLOWS AT GOLD CREEK FOR 1967 HYDROLOGY,STAGE I AVERAGE WEEKLY SUSITNA RIVER FLOWS AT GOLD CREEK FOR 1970 HYDROLOGY,STAGE I AVERAGE WEEKLY SUSITNA RIVER FLOWS AT GOLD CREEK FOR 1981 HYDROLOGY,STAGE I AVERAGE WEEKLY SUSITNA RIVER FLOWS AT GOLD CREEK FOR 1982 HYDROLOGY,STAGE I FLOW DURATION CURVES BASED ON MONTHLY DISCHARGE,SUSITNA RIVER AT WATANA DAMSITE,STAGE I xxx~x Number E.2.4.58 E.2.4.59 E.2.4.60 E.2.4.61 E.2.4.62 E.2.4.63· E.2.4.64 E.2.4.65 E.2.4.66 E.2.4.67 E.2.4.68 E.2.4.70 E.2.4.71 E.2.4.72 E.2~4~73 . E.2.4.74 E.2.4.75 851017 EXHIBIT E -CHAPTER 2 WATER USE AND QUALITY LIST OF FIGURES (cont'd) Title FLOW DURATION CURVES BASED ON MONTHLY DISCHARGE,SUSITNA RIVER AT GOLD CREEK,STAGE I FLOW DURATION CURVES BASED ON MONTHLY DISCHARGE,SUSITNA RIVER AT SUNSHINE,STAGE I FLOW DURATION CURVES BASED ON MONTHLY DISCHARGE,SUSITNA RIVER AT SUSITNA STATION,STAGE I WATER TEMPERATURE PROFILES,BRADLEY LAKE,ALASKA EKLUTNA LAKE OBSERVED AND PREDICTED TEMPERATURE PROFILES,JUNE AND JULY,1982 EKLUTNALAKE ..OBSERVED AND PREDICTED TEMPERATURE PROFILES,AUGUST AND SEPTEMBER,1982 EKLUTNA LAKE OBSERVED AND PREDICTED TEMPERATURE PROFILES,OCTOBER AND NOVEMBER,1982 LAKE WILLI STON TEMPERATURE PROFILES,APRIL 14-:15,._1982----'-_......:..-..----_..__..--'--"'--_=....--_--_-__--_.~-__-~-- WATANA MULTILEVEL INTAKE STAGE I AND II EKLUTNA LAKE MODEL CALIBRATION,JUNE THROUGH NOVEMBER, 1982 EKLUTNA LAKE MODEL CALIBRATION,DECEMBER THROUGH MAY, 1982 WATANA RESERVOIR TEMPERATURE PROFILES,STAGE I WATANA RESERVOIR TEMPERATURE PROFILES,STAGE I WATANA RESERVOIR TEMPERATURE PROFILES,STAGE I WATANA RESERVOIR-TEMPERATURE·PROFILES,STAGE f WATANA RESERVOIR TEMPERATURE PROFILES,STAGE I STAGE I WATANA RESERVOIR OUTFLOW TEMPERATURE AND ICE GROWTH,E-VI xl I-, 1 1 !1 ]' ] ] .J ! J ] ] 1 1 j :) 1 Number E.2.4.76 E.2.4.77 E.2.4.78 E.2.4.79 E.2.4.80 E.2.4.81 E.2.4.82 E.2.4.83 E.2.4.84 E.2.4.85 E.2.4.86 E.2.4.87 E.2.4.88 E.2.4.89 E.2.4.90 851017 EXHIBIT E -CHAPTER 2 WATER USE AND QUALITY LIST OF FIGURES (cont'd) Title STAGE I WATANA RESERVOIR OUTFLOW TEMPERATURE AND ICE GROWTH,E-VI SIMULATED SUSITNA RIVER TEMPERATURES RIVER MILE 150, STAGE I SIMULATED SUSITNA RIVER TEMPERATURES RIVER MILE 130, STAGE I SIMULATED SUSITNA RIVER TEMPERATURES RIVER MILE 100, STAGE I SUSITNA RIVER TEMPERATURES AT RIVER MILE 130,NATURAL CONDITIONS SUSITNA RIVER TEMPERATURES AT RIVER MILE 130,WATANA OPERATING SUSITNA RIVER TEMPERATURES AT RIVER MILE 84,NATURAL CONDITIONS SUSITNA RIVER TEMPERATURES AT RIVER MILE 84,WATANA OPERATING SIMULATED TEMPERATURES AT RIVER MILE 130,VARIOUS INTAKE OPERATING POLICIES SIMULATED TEMPERATURES AT RIVER MILE 130,VARIOUS INTAKE OPERATING POLICIES SIMULATED TEMPERATURES AT RIVER MILE 130,VARIOUS INTAKE OPERATING POLICIES SIMULATED SUSITNA RIVER TEMPERATURES,RIVER MILE 150, STAGE I SIMULATED SUSITNA RIVER TEMPERATURES,RIVER MILE 130, STAGE I SIMULATED SUSITNA RIVER TEMPERATURES,RIVER MILE 100, STAGE I SIMULATED RIVER ICE CONDITIONS,STAGE I VS.NATURAL 1981-82 WEATHER CONDITIONS,CASE E-VI FLOWS xli EXHIBIT E -CHAPTER 2 WATER USE AND QUALITY LIST OF FIGURES (cont'd) -_....._----_._----- E.2.4.101---------ISO-TURBIDITY ·VS.TIME;-EKLUTNALAKlrAT-sfAiION9 1982 Number E.2.4.91 E.2.4.92 E.2.4.93 E.2.4.94 E.2.4.95 E.2.4.96 E.2~4.97 E.2.4.98 E.2.4.99 E.2.4.100 E.2.4.102 E.2.4 103 E.2.4.104 E.2.4.105 851017 Title SIMULATED RIVER ICE CONDITIONS,STAGE I,1981-82 WEATHER CONDITIONS,CASE E-I VS.CASE E-VI EAST FORK EKLUTNA CREEK·SUSPENDED SEDIMENT PARTICLE SIZE DISTRIBUTION GLACIER FORK EKLUTNA CREEK SUSPENDED SEDIMENT PARTICLE SIZE DISTRIBUTION STOKES LAW FOR FALL VELOCITIES,VARIATIONS WITH RESPECT TO TEMPERATURE AND PARTICLE DENSITY EKLUTNA LAKE OUTFLOW SUSPENDED SEDIMENT SUSPENDED SEDIMENT SIZE DISTRIBUTION,SUSITNA RIVER NEAR CANTWELL SUSPENDED SEDIMENT RATING CURVE AT USGS GAGING STATION, SUSITNA RIVER NEAR CANTWELL WATANA RESERVOIR OUTFLOW SUSJ?END.ED SQJ..IDS,HIGH.INFLOWyEA:R:--------~-----------.--"----- WATANA RESERVOIR OUTFLOW SUSPENDED SOLIDS,LOW INFLOW YEAR WATANA RESERVOIR OUTFLOW SUSPENDED SOLIDS,AVERAGE INFLOW YEAR ISO-TURBIDITY VS.TIME,EKLUTNA LAKE AT STATION 9,1983 ISO-TURBIDITY VS.TIME,EKLUTNALAKE AT STATION 9,1984 TURBIDITY VS.SUSPENDED SEDIMENT CONCENTRATION,SUSITNA RIVER TURBIDITY VS.SUSPENDED SEDIMENT CONCENTRATION IN SEVERAL ALASKAN RIVERS xlii I I1,,1 ) I 1 I j 851017 EXHIBIT E -CHAPTER 2 WATER USE AND QUALITY LIST OF FIGURES (cont'd) Title TURBIDITY VS.SUSPENDED SEDIMENT CONCENTRATION,EAST FORK TRIBUTARY TO EKLUTNA LAKE,1984 TURBIDITY VS.SUSPENDED SEDIMENT CONCENTRATION,GLACIER FORK TRIBUTARY TO EKLUTNA LAKE,1984 TURBIDITY VS.SUSPENDED SEDIMENT CONCENTRATION,EKLUTNA LAKE TURBIDITY VS.SUSPENDED SEDIMENT CONCENTRATION,EKLUTNA LAKE POWERHOUSE TAILRACE,1984 EMPIRICAL RELATIONSHIP OF NATURALLY OCCURRING TURBIDITY VERSUS SUSPENDED SEDIMENT CONCENTRATION FOR RIVERS AND LAKES IN ALASKA DEVIL CANYON BORROW SITE G DEVIL CANYON BORROW SITE MAP DEVIL CANYON QUARRY SITE K WATANA WATER SURFACE ELEVATION,STAGE II WATANA WATER SURFACE ELEVATION,MONTHLY SUMMARY, STAGE II WATANA RESERVOIR INFLOW,STAGE II WATANA RESERVOIR OUTFLOW,STAGE II DEVIL CANYON WATER SURFACE ELEVATION,STAGE II DEVIL CANYON WATER SURFACE ELEVATION,MONTHLY SUMMARY, STAGE II DEVIL CANYON RESERVOIR INFLOW,STAGE II DEVIL CANYON RESERVOIR OUTFLOW,STAGE II WATANA WATER SURFACE ELEVATION,E-l,STAGE II xliii Number E.2.4.123 E.2.4.124 E.2.4.125 E.2.4.126 E.2.4.127 !,ol E.2.4.128 E.2.4.129 E.2.4.130 E.2.4.131 E.2.4.132 E.2.4.133 E.2.4.134 E.2.4.136 E.2.4ol37 E.2.4.138 851017 EXHIBIT E -CHAPTER 2 WATER USE AND QUALITY LIST OF FIGURES (cont'd) Title WATANA WATEP SURFACE ELEVATION,MONTHLY SUMMARY,E-l, STAGE II WATANA RESERVOIR INFLOW,E-1,STAGE II WATANA RESERVOIR OUTFLOW,E-1,STAGE II DEVIL CANYON WATER SURFACE ELEVATION,E-1,STAGE II DEVIL CANYON WATER SURFACE ELEVATION,MONTHLY SUMMARY, E-l,STAGE II DEVIL CANYON RESERVOIR INFLOW,E-l,STAGE II DEVIL CANYON RESERVOIR OUTFLOW,E"'l,STAGE II AVERAGE WEEKLY SUSITNA RIVER FLOWS AT GOLD CREEK FOR 1964 HYDROLOGY,STAGE II,E-VI FLOW REQUIREMENTS AVERAGE WEEKLY SUSITNA RIVER FLOWS AT GOLD CREEK FOR 1967 HYDROLOGY,STAGE II,E-VI FLOW REQUIREMENT§__ _....__..--__•....................._-_._-_._..__~--'~- AVERAGE WEEKLY SUSITNA RIVER FLOWS AT GOLD CREEK FOR 1970 HYDROLOGY,STAGE II,E-VI FLOW REQUIREMENTS AVERAGE WEEKLY SUSITNA RIVER'FLOWS AT GOLD CREEK FOR 1981 HYDROLOGY,STAGE II,E-VI FLOW REQUIREMENTS AVERAGE WEEKLY SUSITNA RIVER FLOWS AT GOLD CREEK FOR 1982--HYDROLOGY:-,-·STAGE--H-,--E-Vr--Ft OWRE QUIREME NTS-- WEEKLY AVERAGE WATER SURFACE ELEVATIONS AT RIVER MILE 124.4,STAGE II WEEKLY AVERAGE WATER SURFACE ELEVATIONS AT RIVER MILE 130.9,STAGE II WEEKLY AVERAGE WATER SURFACE ELEVATIONS AT RIVER MILE .142.3,STAGEIT~~~~· SUSITNA RIVER STREAMFLOWS EXCEEDED 6%,50%AND 97%OF THE TIME AT GOLD CREEK,STAGE II,E-VI FLOW REQUIREMENTS xliv ;", :J 'I 'j J 'j ;I /'1 Number E.2.4.139 E.2.4.140 E.2.4.141 .E.2.4.142 E.2.4.143 E.2.4.144 E.2.4.145 E.2.4.146 E.2.4.147 E.2.4.148 E.2.4.149 E.2.4.150 E.2.4.151 E.2.4.152 851017 EXHIBIT E -CHAPTER 2 WATER USE AND QUALITY LIST OF FIGURES (cont'd) Title SUSITNA RIVER STREAMFLOWS EXCEEDED 6%OF THE TIME AT GOLD CREEK,STAGE II,E-VI FLOW REQUIREMENTS SUSITNA RIVER STREAMFLOWS EXCEEDED 50%OF THE TIME AT GOLD CREEK,STAGE II,E-VI FLOW REQUIREMENTS SUSITNA RIVER STREAMFLOWS EXCEEDED 97%OF THE TIME AT GOLD CREEK,STAGE II,E-VI FLOW REQUIREMENTS SUSITNA RIVER STREAMFLOWS EXCEEDED 6%,50%AND 97%OF THE TIME AT GOLD CREEK,STAGE II,E-I FLOW REQUIREMENTS SUSITNA RIVER STREAMFLOWS EXCEEDED 6%OF THE TIME AT GOLD CREEK,STAGE II SUSITNARIVER STREAMFLOWS EXCEEDED 50%OF THE TIME AT GOLD CREEK,STAGE II SUSITNA RIVER STREAMFLOWS EXCEEDED 97%OF THE TIME AT GOLD CREEK,STAGE II AVERAGE WEEKLY SUSITNA RIVER FLOWS AT GOLD CREEK FOR 1964 HYDROLOGY,STAGE II AVERAGE WEEKLY SUSITNA RIVER FLOWS AT GOLD CREEK FOR 1967 HYDROLOGY,STAGE II AVERAGE weEKLY SUSITNA RIVER FLOWS AT GOLD CREEK FOR 1970 HYDROLOGY,STAGE II AVERAGE WEEKLY SUSITNA RIVER FLOWS AT GOLD CREEK FOR 1981 HYDROLOGY,STAGE II AVERAGE WEEKLY SUSITNA RIVER FLOWS AT GOLD CREEK FOR 1982 HYDROLOGY,STAGE II FLOW DURATION CURVES BASED ON MONTHLY DISCHARGE,SUSITNA RIVER AT WATANA DAMSITE,STAGE II FLOW DURATION CURVES BASED ON MONTHLY DISCHARGE,SUSITNA RIVER AT DEVIL CANYON DAMSITE,STAGE II xlv Number E.2.4.153 E.2.4.155 E.2.4.156 E.2.4.157 E.2.4.158 E.2.4.159 E.2.4.160 E.2.4.161 E.2.4.162 E.2.4.163 E.2.4.164 E.2.4.165 E.2.4.166 851017 EXHIBITE -CHAPTER 2 WATER USE AND QUALITY LIST OF FIGURES (cont'd) Title FLOW DURATION CURVES BASED ON MONTHLY DISCHARGE,SUSITNA RIVER AT GOLD CREEK,STAGE II FLOW DURATION CURVES BASED ON MONTHLY DISCHARGE,SUSITNA RIVER AT SUNSHINE,STAGE II FLOW DURATION CURVES BASED ON MONTHLY DISCHARGE,SUSITNA RIVER AT SUSITNA STATION,STAGE II DEVIL CANYON POWER INTAKE STAGE II DEVIL CANYON RESERVOIR OUTFLOW TEMPERATURE AND ICE GROWTH,(E-VI),TWO LEVEL INTAKE,PROPOSED PROJECT STAGE II DEVIL CANYON RESERVOIR OUTFLOW TEMPERATURE AND ICE GROWTH,(E-VI),TWO LEVEL INTAKE,PROPOSED PROJECT STAGE II DEVIL CANYON RESERVOIR OUTFLOW TEMPERATURE AND ICE GROWTH,(E-VI),THREE LEVEL INTAKE ST-AGE II DEVIL CANYONRESERVOnf OUTFLOW TE-MPERATURE AND ICE GROWTH,(E-VI),THREE LEVEL INTAKE STAGE II DEVIL CANYON RESERVOIR OUTFLOW TEMPERATURE AND ICE GROWTH,(E,...VI),9 FOO'!'DRAWDOWN STAGE II DEVIL CANYON RESERVOIR OUTFLOW TEMPERATURE AND ICE GROWTH,(E-VI),9 FOOT DRAWDOWN STAGE_~U_~DE1!'IL_CANYON-RES·ER-VO-LR-OU'I'·F-l.OW--T-E-MPE-RATURE-*ND-~---" ICE GROWTH,(E-I) STAGE II DEVIL CANYON RESERVOIR OUTFLOW TEMPERATURE AND ICE GROWTH (E-I) DEVIL CANYON RESERVOIR TEMPERATURE PROFILES,CASE E-VI STAGE II DEVIL CANYON RESERVOIR TEMPERATURE PROFILES,CASE E-VI STAGE II xlvi ,I I I ,{ ,I ·.1-"~I I 1 i 1i I \ ) ,) i J I ) } It] .1 Number E.2.4.167 E.2.4.168 E.2.4.169 E.2.4.170 E.2.4.171 E.2.4.172 E.2.4.173 E.2.4.174 E.2.4.175 E.2.4.176 E.2.4.177 E.2.4.178 E.2.4.179 E.2.4.180 851017 EXHIBIT E -CHAPTER 2 WATER USE AND QUALITY LIST OF FIGURES (cont'd) Title DEVIL CANYON RESERVOIR TEMPERATURE PROFILES,CASE E-VI STAGE II DEVIL CANYON RESERVOIR TEMPERATURE PROFILES,CASE E-VI STAGE II DEVIL CANYON RESERVOIR TEMPERATURE PROFILES,CASE E-VI, STAGE II DEVIL CANYON RESERVOIR TEMPERATURE PROFILES,CASE E-VI, STAGE II SIMULATED SUSITNA RIVER TEMPERATURES,RIVER MILE 150, STAGE II SIMULATED SUSITNA RIVER TEMPERATURES,RIVER MILE 130, STAGE II SIMULATED SUSITNA RIVER TEMPERATURES,RIVER MILE 100, STAGE II SIMULATED SUSITNA RIVER TEMPERATURES,RIVER MILE 150, STAGE II SIMULATED SUSITNA RIVER TEMPERATURES,RIVER MILE 130, STAGE II SIMULATED SUSITNA RIVER TEMPERATURES,RIVER MILE 100, STAGE II SUSITNA RIVER TEMPERATURES AT RIVER MILE 130,WATANA AND DEVIL CANYON OPERATING SUSITNA RIVER TEMPERATURES AT RIVER MILE 84,WATANA AND DEVIL CANYON OPERATING SIMULATED TEMPERATURES AT RIVER MILE 130,VARIOUS INTAKE OPERATING POLICIES SIMULATED TEMPERATURES AT RIVER MILE 130,VARIOUS INTAKE OPERATING POLICIES xlvii Number E.2.4.181 E.2.4.182 E.2.4.183 E.2.4.184 E.2.4.185 E.2.4.186 E.2.4.187 E.2.4.189 E.2.4.190 E.2.4.191 E.2.4.192 E.2.4.193 E.2.4.194 E.2.4.195 E.2.4.196 E.2.4.197 851017 EXHIBIT E -CHAPTER 2 WATER USE AND QUALITY LIST OF FIGURES (cont'd) Title SIMULATED SUSITNA RIVER TEMPERATURES,RIVER MILE 150, STAGE II SIMULATED SUSITNA RIVER TEMPERATURES,RIVER MILE 130, STAGE II SIMULATED SUSITNA RIVER TEMPERATURES,RIVER MILE 100, STAGE II SIMULATED RIVER ICE CONDITIONS,STAGE II VS.NATURAL 1981-82 WEATHER CONDITIONS,CASE E-VI FLOWS SIMULATED RIVER ICE CONDITIONS,STAGE II,1981-82 WEATHER CONDITIONS,CASE E-I VS.CASE E-VI WATANA RESERVOIR OUTFLOW SUSPENDED SOLIDS,STAGE II, AVERAGE YEAR DEVIL·CANYON OUTFLOW SUSPENDED SOLIDS,STAGE II,AVERAGE YEAR WATANA WATER SURFACE ELEVATION,EARLY STAGE III WATANA WATER SURFACE ELEVATION,MONTHLY SUMMARY,EARLY STAGE III WATANA RESERVOIR INFLOW,EARLY STAGE III DEVIL CANYON WATER SURFACE ELEVATION,EARLY STAGE III DEVIL CANYON WATER SURFACE ELEVATION,MONTHLY SUMMARY, EARLY STAGE I II DEVIL CANYON RESERVO IR INFLOW,EARLY STAGE II I DEVIL CANYON RESERVOIR OUTFLOW,EARLY STAGE III WATANA WATER SURFACE ELEVATION,LATE STAGE III xlviii Number E.2.4.198 E.2.4.199 E.2.4.200 E.2.4.201 E.2.4.202 E.2.4.203 E.2.4.204 E.2.4.205 E.2.4.206 E.2.4.207 E.2.4.208 . E.2.4.209 E.2.4.21O E.2.4.211 E.2.4.212 E.2.4.213 851017 EXHIBIT E -CHAPTER 2 WATER USE AND QUALITY LIST OF FIGURES (cont'd) Title WATANA WATER SURFACE ELEVATION,MONTHLY SUMMARY,LATE STAGE III WATANA RESERVOIR INFLOW,LATE STAGE II I WATANA RESERVOIR OUTFLOW,LATE STAGE III DEVIL CANYON WATER SURFACE ELEVATION,LATE STAGE III DEVIL CANYON WATER SURFACE ELEVATION,MONTHLY SUMMARY, LATE STAGE II I DEVIL CANYON RESERVOIR INFLOW,LATE STAGE III DEVIL CANYON RESERVOIR OUTFLOW,LATE STAGE III WATANA WATER SURFACE ELEVATION,E-I FLOW REQUIREMENTS, LATE STAGE III DEVIL CANYON WATER SURFACE ELEVATION,E-1 FLOW REQUIREMENTS,LATE STAGE III WATANA WATER SURFACE ELEVATION,MONTHLY SUMMARY,E-1 FLOW REQUIREMENTS,LATE STAGE III DEVIL CANYON WATER SURFACE ELEVATION,MONTHLY SUMMARY, E-1 FLOW REQUIREMENTS,LATE STAGE III WATANA RESERVOIR INFLOW,E-1 FLOW REQUIREMENTS,LATE STAGE III WATANA RESERVOIR OUTFLOW,E-l FLOW REQUIREMENTS,LATE STAGE III DEVIL CANYON RESERVOIR INFLOW,E-1 FLOW REQUIREMENTS, LATE STAGE III DEVIL CANYON RESERVOIR OUTFLOW,E-l FLOW REQUIREMENTS, LATE STAGE II I AVERAGE WEEKLY SUSITNA RIVER FLOWS AT GOLD CREEK FOR 1964 HYDROLOGY,LATE STAGE III xlix Number E.2.4.214 E.2.4.215 E.2.4.216 E.2.4.217 E.2.4.218 E.2.4.219 E.2.4.220 E.2.4.221 E.2.4.222 E.2.4.223 E.2.4.225 E.2.4.226 851017 EXHIBIT E -CHAPTER 2 WATER USE AND QUALITY LIST OF FIGURES (cont'd) Title AVERAGE WEEKLY 'SUSITNA RIVER FLOWS AT GOLD CREEK FOR 1967 HYDROLOGY,LATE STAGE III,E-VI FLOW REQUIREMENTS AVERAGE WEEKLY SUSITNA RIVER FLOWS AT GOLD CREEK FOR 1970 HYDROLOGY,LATE STAGE III,E-VI FLOW REQUIREMENTS AVERAGE WEEKLY SU.SITNA RIVER FLOWS AT GOLD CREEK FOR 1981 HYDROLOGY,LATE STAGE III,E-VI FLOW REQUIREMENTS AVERAGE WEEKLY SUSITNA RIVER FLOWS AT GOLD CREEK FOR 1982 HYDROLOGY,LATE STAGE III,E-VI FLOW REQUIREMENTS AVERAGE WEEKLY SUSITNA RIVER FLOWS AT GOLD CREEK FOR 1964 HYDROLOGY,LATE STAGE III, AVERAGE WEEKLY SUSITNA RIVER FLOWS AT GOLD CREEK FOR 1967 HYDROLOGY,LATE STAGE III AVERAGE WEEKLY SUSITNA RIVER FLOWS AT GOLD CREEK FOR -1970 HYDROLOGY,LATE STAGE III, .~YERM~E .WEE.KLY_SUSLTNARIJlER-F.10WS-AT GG1lJGRE·EK-F0R'·· 1981 HYDROLOGY,LATE STAGE III , .,",.'. ..,-;..._•'_n'.-._:.•~,,_,;;:,_,,..•'•.,n_. "..._,. AVERAGE WEEKLY SUSITNA RIVER FLOWS AT GOLD CREEK FOR 1982 HYDROLOGY,LATE STAGE III WEEKLY AVERAGE WATER SURFACE ELEVATIONS AT RIVER MILE 124.4,EARLY STAGE III ___".•.._.,_~__.•_--.-__._.,.'0 WEEKLYXt.lERAGE-WATER'SURFACE ELEVATIONS AT RIVER MJ.LE . t30-.-9-;-''EA''RL''Y-STAGE II I WEEKLY AVERAGE WATER SURFACE ELEVATIONS AT RIVER MILE 142.3 EARLY STAGE III WEEKLY AVERAGE WATER SURFACE ELEVATIONS AT RIVER MILE 124.4,LATE STAGE III 1 i,I ". ) 1 '.j ,! 1 I I ,,! 1 1 ) 1 I 1 Number E.2.4.227 E.2.4.228 E.2.4.229 E.2.4.230 E.2.4.231 E.2.4.232 E.2.4.233 E.2.4.234 E.2.4.235 E.2.4.236 E.2.4.237 E.2.4.238 E.2.4.239 E.2.4.240 851017 EXHIBIT E -CHAPTER 2 WATER USE AND QUALITY LIST OF FIGURES (cont'd) Title WEEKLY AVERAGE WATER SURFACE ELEVATIONS AT RIVER MILE 130.9,LATE STAGE III WEEKLY AVERAGE WATER SURFACE ELEVATIONS AT RIVER MILE 142.3,LATE STAGE III SUSITNA RIVER STREAMFLOWS EXCEEDED 6%,50%AND 97%OF THE TIME AT GOLD CREEK,EARLY STAGE III SUSITNA RIVER STREAMFLOWS EXCEEDED 97%OF THE TIME AT GOLD CREEK,EARLY STAGE III SUSITNA RIVER STREAMFLOWS EXCEEDED 50%OF THE TIME AT GOLD CREEK,EARLY STAGE III SUSITNA RIVER STREAMFLOWS EXCEEDED 6%OF THE TIME AT GOLD CREEK,EARLY STAGE III SUSITNA RIVER STREAMFLOWS EXCEEDED 6%,50%AND 97%OF THE TIME AT GOLD CREEK,LATE STAGE III SUSITNA RIVER STREAMFLOWS EXCEEDED 97%OF THE TIME AT GOLD CREEK,LATE STAGE III SUSITNA RIVER STREAMFLOWS EXCEEDED 50%OF THE TIME AT GOLD CREEK,LATE STAGE III SUSITNA RIVER STREAMFLOWS EXCEEDED 6%OF THE TIME AT GOLD CREEK,LATE STAGE III SUSITNA RIVER STREAMFLOWS EXCEEDED 6%,50%AND 97%OF THE TIME AT GOLD CREEK,LATE STAGE III SUSITNA RIVER STREAMFLOWS EXCEEDED 6%OF THE TIME AT GOLD CREEK,LATE STAGE III SUSITNA RIVER STREAMFLOWS EXCEEDED 50%OF THE TIME AT GOLD CREEK,LATE STAGE III SUSITNA RIVER STREAMFLOWS EXCEEDED 97%OF THE TIME AT GOLD CREEK,LATE STAGE III li EXHIBIT E ~CRAPTER 2 WATER USE AND QUALITY LIST OF FIGURES (cont'd) Number Title I I 1 \ 1 1 ] I 1 ,'1 ·1 '~l 1 I.j Iii LATE STAGE III DEVIL CANYON RESERVOIR OUTFLOW TEMPERATURE AND ICE GROWTH,E-VI FLOW DURATION CURVES BASED ON MONTHLY DISCHARGE,SUSITNA RIVER AT GOLD CREEK,LATE STAGE III FLOW DURATION CURVES BASED ON MONTHLY DISCHARGE,SUSITNA RIVER AT SUNSHINE,LATE STAGE III FLOW DURATION CURVES BASED ON MONTHLY DISCHARGE,SUSITNA RIVE~.A'.l'~,{L~I'rN'A.Sl'A'I.'IQN,LATESTAGE III···..... W:A.TANA MULTILEVEL INTAKE,STAGE III FLOW DURATION CURVES BASED ON MONTHLY DISCHARGE,SUSITNA RIVER AT DEVIL CANYON DAMSITE,LATE STAGE III FLOW DURATION CURVES BASED ON MONTHLY DISCHARGE,SUSITNA RIVER AT SUNSHINE,EARLY STAGE II I FLOW DURATION CURVES BASED ON MONTHLY DISCHARGE,SUSITNA RIVER AT SUSITNA STATION,EARLY STAGE III FLOW DURATION CURVES BASED ON MONTHLY DISCHARGE,SUSITNA RIVER AT WATANA DAMSITE,EARLY STAGE III FLOW DURATION CURVES BASED ON MONTHLY DISCHARGE,SUSiTNA RIVER AT DEV~L CANYON DAMSITE,EARLY STAGE III FLOW DURATION CURVES BASED ON MONTHLY DISCHARGE,SUSITNA RIVER AT GOLD CREEK,EARLY STAGE III FLOW DURATION CURVES BASED ON MONTHLY DISCHARGE,SUSITNA RIVER AT WATANA DAMSITE,LATE STAGE III E.2.4.252 E.2.4.250 E.2.4.246 E.2.4.248 E.2.4.247 E.2.4.249 E.2.4.253 E.2.4.241 E.2.4.245 E.2.4.243 E.2.4.244 851017 E.2.4.242 LATE STAGE III DEVIL CANYON RESERVOIR OUTFLOW TEMPERATURE ANn·tCE •GR.OWTH,..E-VI ····E·~2·.4~254-····EAR.LY STAGE III DEVIL CANYON RESERVOIR OUTFLOW TEMPERATURE AND ICE GROWTH,E-VI ._--_._-- EXHIBIT E -CHAPTER 2 WATER USE AND QUALITY LIST OF FIGURES (cont'd) Number Title E.2.4.255 EARLY STAGE III DEVIL CANYON RESERVOIR OUTFLOW TEMPERATURE AND ICE GROWTH,E-VI E.2.4.256 LATE STAGE III DEVIL CANYON RESERVOIR OUTFLOW TEMPERATURE AND ICE GROWTH,E-I E.2.4.257 LATE STAGE III DEVIL CANYON RESERVOIR OUTFLOW TEMPERATURE AND ICE GROWTH,E-I E.2.4.258 WATANA RESERVOIR TEMPERATURE PROFILES,LATE STAGE III E.2.4.259 WATANA RESERVOIR TEMPERATURE PROFILES,LATE STAGE III E.2.4.260 WATANA RESERVOIR TEMPERATURE PROFILES,LATE STAGE HI E.2.4.261 WATANA RESERVOIR TEMPERATURE PROFILES,LATE STAGE III E.2.4.262 WATANA RESERVOIR TEMPERATURE PROFIL~S,LATE STAGE III E.2.4.263 WATANA RESERVOIR TEMPERATURE PROFILES,LATE STAGE III E.2.4.264 SIMULATED SUSITNA RIVER TEMPERATURES,RIVER MILE 150, LATE STAGE III E.2.4.265 SIMULATED SUSITNA RIVER TEMPERATURES,RIVER MILE 130, LATE STAGE II I E.2.4.266 SIMULATED SUSITNA RIVER TEMPERATURES,RIVER MILE 100, LATE STAGE III E.2.4.267 SIMULATED SUSITNA RIVER TEMPERATURES,RIVER MILE 150, LATE AND EARLY STAGE III E.2.4.268 SIMULATED SUSITNA RIVER TEMPERATURES,RIVER MILE 130, LATE AND EARLY STAGE III E.2.4.269 SIMULATED SUSITNA RIVER TEMPERATURES,RIVER MILE 100, LATE AND EARLY STAGE III. E.2.4.270 SIMULATED SUSITNA RIVER TEMPERATURES,RIVER MILE 150, LATE STAGE III,E-I FLOW REQUIREMENTS 851017 liii EXHIBIT E -CHAPTER 2 WATER USE AND QUALITY .E.-.2_.B-_.2.IR_--~STAGE~In-DEv:r.L~GANYON--RE_S·E-RV0icR-0UTFLOW-SUSPENDED SOLIDS,AVERAGE YEAR Number E.2.4.271 E.2.4.272 E.2.4.273 E.2.4.274 E.2.4.275 E.2.4.276 E.2.4.279 E.2.4.280 851017 LIST OF FIGURES (cont'd) Title SIMULATED SUSITNA RIVER TEMPERATURES,RIVER MILE 130, LATE STAGE III,E-I FLOW REQUIREMENTS stMULATED SUSITNA RIVER TEMPERATURES,RIVER MILE 100, LATE STAGE III,E-I FLOW REQUIREMENTS SUSITNA RIVER TEMPERATURES AT RIVER MILE 130,WATANA AND DEVIL CANYON OPERATING SUSITNA RIVER TEMPERATURES AT RIVER MILE 84,WATANA AND DEVIL CANYON OPERATING SIMULATED RIVER ICE CONDITIONS,STAGE III VS.NATURAL 1981~82 WEATHER CONDITIONS,CASE E-VI FLOWS SIMULATED RIVER ICE CONDITIONS,STAGE III,1981-82 WEATHER CONDITIONS,CASE E-l VS.CASE E-VI STAGE III DEVIL CANYON RESERVOIR OUTFLOW.SUSPENDED SOLIDS,AVERAGE YEAR STAGE III WATANA RESERVOIR OUTFLOW SUSPENDED SOLIDS, AVERAGE YEAR STAGE III WATANA RESERVOIR OUTFLOW SUSPENDED SOLIDS, AVERAGE YEAR liv ] 1 ) 1 I I j J i j J j ! 1 j 1 Number E.2.2.1 E.2.2.2 E.2.2.3 E.2.2.4 E.2.2.5 E.2.2.6 E.2.2.7 E.2.2.8 851017 EXHIBIT E -CHAPTER 2 WATER USE AND QUALITY LIST OF PHOTOS Title FRAZIL ICE UPSTREAM FROM WATANA ICE COVER DOWNSTREAM FROM WATANA SHOWING NATURAL LODGEMENT POINT SLOUGH 9 APPROXIMATELY 3,500 FEET UPSTREAM FROM SLOUGH MOUTH,DECEMBER 1982 SLOUGH 8A FREEZE-UP,DECEMBER 1982 SLOUGH 8A NEAR LRX-29 LOOKING UPSTREAM SLOUGH 8A SLOUGH 8A SHOWING FLOODING DURING FREEZE-UP ENLARGEMENT OF PHOTO E.2.2.7 SHOWING TURBULENT FLOW Iv ,I '1 1 'J ,,1 'I 4 I 'j ,! 'j ,j ~J ,] ,'1 ,1 ~' 1 TABLES If J ) i} iJ ! Table E.2.2.1:SUSITNA RIVER REACH DEFINITIONS River MI Ie RM 149 to 144 RM 144 to 139 RM 139 to 129.5 RM 129.5 to 119 RM 119 to 104 RM 104 to 95 RM 95 to 61 RM 61 to 42 RM 42 to 0 Source:R&M 1982d Average Slope 0.00195 0.00260 0.00210 0.00173 0.00153 0.00147 0.00105 0.00073 0.00030 Predomlnent Channel Pattern Single channel confined by valley walls.Frequent bedrock control points. Spilt channel confined by valley wal I and terraces. Spilt channel confined occasionally by terraces and valley walls.Main chan- nels,side channels and sloughs occupy va I I ey bottom. Spilt channel with occasional tendency to braid.Main channel frequently flows against west valley wal I.Subchannels and sloughs occupy east floodplain. Single channel frequently Incised and occasional Islands. Transition from spilt channel to braided.Occasionally bounded by terraces.Braided through the con- fluence with Chulitna and Talkeetna Rivers. Braided with occasional confinement by terraces. Combined patterns;western floodplain braided,eastern floodplain spilt channe I. Spilt channel with occasional tendency to braid.Deltaic distributary channels begin forming at about RM 20. Table E.2.2.2:REPRESENTATIVE BED MA TERIAL SIZE DISTRIBUTION FOR SELECTED SLOUGHS,SIDE CHANNEL AND MAINSTREAM SITES Main Channel near .062 .125 .250 Particle Size,mm Bed Material 16.0 ~64.0 Sizes <mm)For Given Percentage Dl6 D50 D90 83 4.3 93 0.5 Cross Section UI Main Channel betveen Cross Sections 12 and 1l£1 Main Channel upstream from lane Creelcl l Mainstem 2 Side Channels at Cross Section 18.2..!t' 51bugh W' 51 ough 9.§.1 2 1 2 3 1 1 3 2 3 5 3 2 7 3 5 7 6 7 10 5 7 10 10 15 13 8 9 13 12 18 16 12 10 17 13 20 22 18 14 22 15 23 29 42 24 32 21 32 29 37 18 28 30 41 70 50 48 53 47 63 89 77 77 73 1.7 3.0 5.0 1.7 20 34 35 30 35 22 65 78 84 no 70 58 J Main Channel upstream from 4th of July Creekll 2 4 6 8 11 14 20 27 36 55 78 2.5 28 85 Side Channel loj,l Lover Side Channel II,dovn- stream from Slough 111 1 1 1 3 2 6 5 12 7 17 10 20 14 25 19 34 44 30 41 62 58 82 0.8 84 2.6 20 25 80 72 51 aug h 1l..!.Q.1 Upperside Channel II,up- stream from Slough lLlQI 1 1 2 2 5 5 8 8 12 12 15 20 15 .20 27 35 27 35 50 50 68 68 2.2 2.2 32 32 100 100 Main Channel betveenCross Section 46 and 481..,1.' Side Channel 21,downstream from Slough 2L!l' Slough 2Wl.' 1 o o 2 o o 3 1 1 7 4 4 10 6 6 13 8 8 17 12 12 24 33 17 23 17 23 53 40 40 72 62 62 3.3 7.5 7.5 30 46 46 100 96 96 ~I Based on 6 samples taken at three locations near cross section 4• .1,'..Bas.ed ..on 2..samples.taken near..river·miles··109.3,... 1/Based on 2 samples taken in main channel upstream from lane_C.r.e.ek.-. ----.4·I-Bll-s-e-don4 samples taKen in the Mainstem 2 side channel,at four locations • .il Based on 6 samples taken near the slough in the main channel at RM 125.6 • .§.I Based on 5 samples taken near the slough in the main channel at RM 128.7. 21 Based on 3 samples taken in the main and side channels near ~I Y~e~foiu2Ysg~I~8 takell in Slough 10• .2./Based on 2 samples taken in Side Channel 11,dO'WTlstream from Slough 11 • .!!I Based on one sample taken in Slough 11 • .!.!.I Based on 2 samples taken between cross sections 46 and 48. QI Based on one sample taken near the upstream end of side channel. 1 Table E.2.2.3:TRANSPORTABLE BED MATERIAL SIZES IN SELECTED SLOUGHS,SIDE CHANNELS AND MAINSTREAM SITES Location Discharge at Gold Creek (cfs) 5,000 7,000 10,000 15 ,aDO 20,000 25 ,DOD :xl ,000 35,000 40,000 45,000 55,000 Transportable Bed Material Size (lIIIlI) Hain Channel near 18 Zl 24 29 33 36 38 41 43 44 48 Cross Section 4 Hain Channel between Cross Sections 12 &13 21 25 28 37 44 48 53 57 60 65 76 Hain Channel upstream 25 28 32 37 44 48 52 56 60 64 72 from loane Creek Hainstem 2 Side Channel at Cross Section 18.2 Hain Channel 6 11 18 25 31 37 43 56 North-east Fork 5 9 13 16 18 21 24 29 NQrth-west Fork 5 9 13 16 17 19 21 24 Slough 8A 4 6 8 9 12 Slough 9 9 13 17 20 24 31 Hain Channel upstream 27 31 35 40 45 50 54 .57 61 64 71 from 4th of July Creek Side Channel 10 5 13 22 29 37 45 60 Lower Side Channel 11 5 9 16 22 28 34 39 45 SO 61 Slough 11 5 17 Upper Side Channel 11 7 13 20 30 44 57 84 Hain Channel between 30 35 41 49 56 62 68 73 79 84 94 Crols Sections 46 and 48 Side Channel 21 6 10 15 18 22 25 28 31 37 Slough 21 3 5 9 14 21 30 58 TABLE E.2.2.~:PERIODS OF RECORD FOR GAGING STATIONS Station Name IUSGSGage Number I Susitna River Mile Drai~age Area i(mi2l ) Periods of Record Streamflow (Continuous}1/I Water Quality2!Agenc) Susitna River nr.Denali Susitna River nr.Cantwell (Vee Canyon) Susitna River nr.Cantwell (Vee Canyon) 1529100d 1529150J 290.8 223.1 223.1 9~0 4,140 4,1~0 5/57-9/66,11/68-Present 5/61-9/72,5/80-Present 1957-66,1968-69,1974-Present (6/30/82) 1962-72,1980-Present(7/27/82) 1980-81 USGS USGS R&M Consul Yentna River nr.SusitnaStation I 15294345 Maclaren River nr.Paxson I 15291200 Skwentna River nr.Skwentna I 15294300 Susitna River at Susitna Station I 15294350 USGS R&M R&M Consul USGS USGS USGS USGS USGS USGS 10/80-12/81 1949-58,1962,1967-68,1974-Present (9/16/82) 1980-Present(10/14/82) 1971,1975,1977,1981-Present (10/13/82) 1955,1970,1975-Present(10/5/82) 1958-61,1967-68,1975 1958-59,1967-72,1980-Present (6/3/82) 1954,1966-Present(lO/14/82) 1959,1961,1967-68, 1974-75, 1980-81 1981-Present (8/11/82) 6/80-Present 5/81-Present 8/49-Present 10/74-Present 6/58-Present 2/58-9/72,5/80-Present 6/64-Present 10/59-Present 10/80-Present 5,180 2,570 i 6,16b 2,006 2,250 6,180 19,400 280 6,16P 1l,lOp 25.8 259.a£lI 98.oW 97.oW 28.oV 28.oW 182.211 136.6 136.6 83.9 15292000 15292780SusitnaRiveratSunshine Susitna River at Gold Creek Chulitna River nr.Talkeetna I15292400 Talkeetna River nr.Talkeetna 15291500 Susitna River nr.Watana Damsite Susitna River at Gold Creek Notes: ~All USGS streamflow gage stations except Skwentna River are cur~ently active,however,flow data included in this document are through September 19B "Present"in periods of record indicates sb,ation is active as oFj January 1983.A date after "Present"indicates the most recent data available.,i~Watana continuous water quality monitor ~a~installed at river mile 183.0. 21 River mile at tributary's confluence with ~usitna River. River mile at Yentna-Susitna confluence.', Source:USGS and R&M '--~''----"":'~-----'"------J TABLE E.2.2.5:USGS STREAMFLOW SUMMARY (cfs) Station Denali Cantwell Gold Creek Susitna Maclaren Chulitna f Talkeetna I Skwentna Yrs.of Record 22+12+32 7 23+16+I 17+I 22 I I Oct Max 2,165 5,472 8,212 58,640 734 8,062 I 4,438 7,254 Mean 1,187 3,236 5,757 35,694 421 4,916 I 2,562 4,492 Min 528 1,638 3,124 19,520 249 2,898 I 1,450 1,929 I Nov Max 878 2,487 4,192 31,590 370 3,213 I 1,718 4,195 Mean 528 1,514 2,568 16,289 189 2,075 I 1,180 1,930 Min 290 780 1,215 9,933 95 1,480 I 765 678 I Dec Max 575 1,658 3,264 14,690 246 2,100 I 1,103 2,871 Mean 344 1,053 1,793 9,794 127 1,494 I 836 1,320 Min 169 543 866 6,000 49 1,000 I 556 I 624 I I Jan Max 444 1,694 2,452 10,120 162 1,623 I 851 I 2,829 Mean 257 896 1,463 8,417 100 1,299 I 680 I 1,117 Min 119 437 724 6,529 44 974 I 459 I 600 I I Feb Max 330 1,200 2,028 9,017 140 1,414 I 777 I 1,821 Mean 215 761 1,243 7,665 87 1,115 I 573 I 952 Min 81 426 723 5,614 42 820 I 401 I 600 1 I Mar Max 290 1,200 1,900 8,906 121 1,300 I 743 I 1,352 Mean 195 711 1,123 6,842 78 988 I 512 I 839 Min 42 429 713 5,368 41 738 I 380 I 600 I I Apr Max 415 .1,223 2,650 12,030 145 1,600 I 1,038 I 2,138 Mean 232 883 1,377 8,350 87 1,176 I 603 I 1,110 Min 43 465 745 6,233 50 700 I 422 I 607 I I May Max 3,468 12,150 21,890 83,580 2,131 13,890 I 8,840 I 22,370 Mean 2,092 8,044 13,277 64,896 823 8,634 I 4,336 I 8,755 Min 629 1,915 3,745 48,670 208 2,355 I 2,145 I 1,635 1 I June Max 12,210 34,630 50,580 165,900 4,297 40,330 I 19,040 I 36,670 Mean 7,261 18,808 27,658 123,447 2,886 22,527 I 11,619 I 19,137 Min 4,647 9,909 15,500 90,930 1,751 17,390 I 5,207 I 10,650 I I July Max 12,110 22,790 34,400 181,400 4,649 35,570 I 15,410 I 28,620 Mean 9,600 17,431 24,383 141,300 3,216 27,047 I 10,974 17,811 Min 6,756 12,220 16,100 115,200 2,441 20,820 I 7.080 11,670 Aug Max 112,010 22,760 38,538 159,600 4,122 33,670 16,770 20,160 Mean I 8,246 15,252 21,996 118,973 2,633 22,749 9,459 13,535 Min I 3,919 6,597 8,879 91,360 974 11,300 3,787 7,471 I Sept Max I 5,452 12,910 21,240 91,200 2,439 22,260 10,610 13,090 Mean I 3,300 7,971 13,175 71,239 1,138 11,544 5,369 8,156 Min I 1,822 3,376 5,093 48,910 470 6,704 2,070 3,783 Notes:Susitna River at Sunshine and Yentna River streamflow data were not included due to the brief period of record (approximately 1 yr). Data current as of Sept.30,1981- Source:USGS Table E.2.2.6: 1 •• WATANA NATURAL MONTHLY FLOWS'(CFS) \\ YEAR OCT NOV DEC I IJANFEBMAR 1 I APR MAY JUN JUL AUG SEP ANNUAL 1951 3299 1952 4593 1953 6286 1954 4219 1955 3859 1956 4102 1957 4208 1958 6035 1959 3668 1960 5166 1961 6049 1962 4638 1963 5560 1964 5187 1965 4759 1'966 5221 1967 3270 1:968 4019 1969 3135 1970 2403 1971 3768 1972 4979 1973 4301 1974 3057 1975 3089 1976 5679 1977 2974 1978 5794 1979 3774 1980 6150 1981 6632 1982 5700 1983 5154 MAX 6632 MIN 2403 MEAN 4567 1107 2170 2757 1600 2051 1588 2277 2936 1730 2214 2328 2263 2509 1789 2368 1565 1202 1934 1355 1021 2496 2587 1978 1355 1474 1601 1927 2645 1945 3525 3044 2650 2132 3525 1021 2064 ~. 906 1501 1281 1184 1550 1039 1707 2259 1115 1672 1973 1760 1709 1195 1070 1204 1122 1704 754 709 1687 1957 1247 932 1277 876 1688 1980 1313 2032 1790 1863 1893 2259 709 1453 8b8I12~5 819 1088 l;r~ 1313 1481 1081 1400 1780 1609 1309 852 863 10~0 1102 16i8 61963610~7 16711 10312 786121~ 758 1349 1578 113p 1470 1858 1700 1791 11858 619 1225 I 673 841 612 803 1051 755 1189 104~ 949 1139 1305 1257 1185 782 773 985 1031 1560 608 602 777 1491 1000 690 1110 743 1203 1268 1055 1233 1592 1234 1610 1610 602 1035 620 7315 6*638 88669~ 9315 974 6914 96!1. 133[ 1177 88~ 575 807 985 890 1560 686 624 7l~ 1~;~ 62~ 1041 691 III II 1257, 110l! 11771 1262 8981, 14271 15601 575': 9361 I 1302 804 1382 943 941 718 945 1265 886 1070 1965 1457 777 609 1232 1338 850 1577 1262 986 814 1305 914 872 1211 1060 1203 1408 1318 1404 1641 1196 1565 1965 609 1158 ~--_. 11650 4217 ,15037 ·11697 6718 12953 10176 9958 10141 13044 13638 11334 15299 3579 10966 7094 12556 12827 9314 9536 2857 15973 7287 12889 11672 8939 8569 .11232 12369 10140 14416 10879 i1672 15973 2857 10625 18518· 25773 21470 19477 24881 27172 25275 22098 18330 13233 22784 36017 20663 42842 21213 25940 24712 25704 13962 14399 27613 27429 23859 14781 26689 19994 31353 17277 22905 23400 16739 21444 20401 42842 13233 22980 19787 22111 17355 16984 23788 25831 19949. 19753 20493 19506 19840 23444 28767 20083 23236 16154 21987 22083 14844 18410 21126 19820 16351 15972 23430 17015 19'707 18385 24912 26740 27601 20445 18761 28767 14843 20747 16478 17356 16682 20421 23537 19153 17318 18843 23940 19323 19480 19887 21011 14048 17394 17391 26105 14148 7772 16264 27447 17510 18017 13524 15127 18394 16807 13412 16671 18000 30542 13206 20862 30542 7172 18366 17206 11571 11514 9166 13448 13194 14841 5979 12467 16086 10146 12746 10800 7524 16226 9214 13673 7164 4260 7224 12189 10956 8100 9786 13075 5712 10613 7133 9097 11000 11669 13890 11192 17206 4260 10875 1734 7177 8035 7401 8719 9051 8381 7170 8011 7954 8603 9833 9278 8263 8451 7374 9096 8032 4912 6115 8589 8963 7112 6314 8403 6835 8233 6992 8184 8908 9985 7968 8253 9985 4912 8046 _.."--.--\_-----._--....------------.~--~-------~_.-----~----- Table E.2.:.7:DEVIL CANYON NATURAL MONTHLY FLOWS (CFS) YEAR OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP ANNUAL 1951 3652 1231 1031 906 768 697 1505 13219 19979.21576 18530 19799 8616 1952 5222 2539 1758 1484 943 828 879 4990 30014 24862 19647 13441 8918 1953 7518 3233 1550 1000 746 767 1532 17758 25231 19184 19207 13928 9356 1954 5109 1921 1387 1224 930 729 1131 15286 23188 19154 24072 11579 8667 1955 4830 2507 1868 1649 1275 1024 1107 8390 28082 26213 24960 13989 9707 1956 4648 1789 1207 922 893 852 867 15979 31137 29212 22610 16496 10608 1957 5235 2774 1987 1583 1389 1105 1109 12474 28415 22110 19389 18029 9669 1958 7435 3590 2905 1792 1212 1086 1437 11849 24414 21763 21220 6989 8867 1959 4403 2000 1371 1317 1179 878 1120 13901 21538 23390 28594 15330 9650 1960 6061 2623 2012 1686 1340 1113 1218 14803 14710 21739 22066 18930 9084 1961 7171 2760 2437 2212 1594 1639 2405 16031 27069 22881 21164 12219 10021 1962 5459 2544 1979 1796 1413 1320 1613 12141 40680 24991 22242 14767 10947 1963 6308 2696 1896 1496 1387 958 811 17698 24094 32388 22721 11777 10432 1964 5998 2085 1387 978 900 664 697 4041 47816 21926 15586 8840 9251 1965 5744 2645 1161 925 829 867 1314 12267 24110 26196 19789 18234 9556 1966 6497 1908 1478 1279 1187 1187 1619 8734 30446 18536 20245 10844 8697 1967 384~1458 1365 1358 1268 1089 1054 14436 27796 25081 30293 15728 10460 1968 4585 2204 1930 1851 1779 1779 1791 14982 29462 24871 16091 8226 9176 1969 357i 1532 836 687 682 770 .1421 10430 14951 15651 8484 4796 5352 1970 286 1146 810 757 709 7221047 10722 17119 21142 18653 8444 7064 1971 474'3082 2075 1319 944 867 986 3428 31031 22942 30316 13636 9657 1972 553 2912 2313 2036 1836 1660 1566 19777 31930 21717 18654 11884 10199 1973 463~2155 1387 1140 1129 955 987 7896 26393 17572 19478 8726 7739 1974 349 1463 997 843 746 690 949 15005 16767 17790 15257 11370 7161 1975 350 1619 1487 1409 1342 1272 1457 14037 30303 26188 17032 15155 9607 1976 700 1853 1008 897 876 825 1261 11305 22814 18253 19298 6463 7706 1977 355 2392 2148 1657 1470 1361 1510 11212 35607 21741 18371 11916 9439 1978 693 3211 2371 1868 1525 1481 1597 11693 18417 20079 15327 8080 7765 1979 450 2324 1549 1304 1204 1165 1403 13334 24052 27463 19107 10172 9023 1980 690C 3955 2279 1649 1383 1321 1575 11377 26255 30002 20196 12342 9994 1981 733 3382 1841 1958 1839 1470 1898 15789 18387 31679 35256 13033 11254 1982 638 3270 2207 2086 1559 1094 1574 12490 24439 22877 14536 16427 9115 1983 627 2454 2192 2098 1858 1596 1781 13777 22789 20295 23203 12731 9307 MAX 751'3955 2905 2212 1858 1779 2405 19777 47816 32388 35256 19799 11254 MIN 286'1146 810 687 682 664 697 3428 14710 15651 8484 4796 5352 MEAN 536,2402 1703 1429 1216 1086 1340 12462 26043 23075 20654 12555 9159 Table E.2.2.8:COMPUTED WEEKLY FLOWS FOR SUSITNA RIVER AT WA T ANA DAMSITE .1.1 1361.1174. 794.794. 870.930. 22178.19307. 11·2,56..-96"6• 903. 667. 1861 .. 18464. 15237 .. 1657 .. 1052. 828. 29660. 13691. 1250. 598. 1308. 17377. 12806. 1489. 819. 796. i~~~~:~j~) 994. 667. 1071. 17232. 24531. 1761. 819. 796. 27039. 15561. 1913. 598. 785. 20466. 14058. 1756. 1052. 828. 28168. 17921. J ] J J 1 1 '] 2035.1908.'] 1193.1193. 837.837. 17043.19864."j 14143.'15435. 1951 4521.4029.3518.2007.1248.1176.1103.1042. 903. 903.903.828.812.812. 812.757. 667.641.618.618.618. 618.542.700. 4923.14338.15945.7915.13828.26696.19247.12238. 21682. 20740.19074.17891. 14413.15312. 14985.21048. 15738.13323. 1952 7559.5055.3674.2855. 2793.2609.1928.1908. 1489.1489.1489.1329. 1299. 1299. 1299. 1069. 819..784.730.730. 730.730.796. 796. 909.1132.1549.3357.16784.19892.28174.30555. 16714.21361.23150.30727.19888. 15618.11855.13935. 9086.10876. 1953 8559.7982.5556.4049.3948. 3377.2164.-2652. 1250.1250. 1250.880.820.820. 820.722. 598.606.678.678.678.'678.486.486. 10007.13666.124·35.21448.16652.27821.21482.17488. 15695.17070.17745.·20931.17859.14312.14731. 17519. 10679.8137. 1954 6126.5080.3728.2971.1821. 1738. 1608.1497. 1174.1174. 1174.1120.1099.1099. 1099.982. 794.716.630.630.630.630.506.506. ~30!.8521.13802.15823. 14807.19799.19022.18245. "'~~5'~~~"~~~~~:',149 81.!....1.!.614 ._2_0..QA9.."-200..4.9.200.49.189·30 • 1955 4746.4461.3359.3359.2716.2156. 2032.1796. 1624. 1431. 1431.1546.1561.1338.1249 •.1179. 1052.949.879.879.879.879. 828.828. 2519.3321i 3882i 1162~.1277r.17007.27727.30081. 24776.19124.22869.20805.19270. 19771.24039.34146~ 11128.8763. 1956 6059.4461.3633.3129.2062.1721.1581.1393.1306 •..lQ27. 102".·1027.'1027.848..810;;·810~8TO.80g~'750.750. _'~,__7-5,O,.--"1-3,9.._-6,a·9-.-EH.H~.-·-6'89.6'8'9'-.--'6'4-1-.~o4-1-.-64-1-.-641. 1798.8483.12106.24085.15966.27294.35522.26081.22994.24335. 26536.26799.26153.24666.22447.20285~16173.13792.11446.16046. 15637. 10015. 1957 5279.5279.3583.3300.2789.2342.2247. 2123. 1852.1509.1509.1399.1378. 1378.1378.1310. 1193. 1079.920.920. 920. 920.837.837. 2452.4269.6969.15611.23050.31747.28053.24892. 18252.20463. 22198.17659.17664. 17568.16111.17804. 15008.14415. 11 Weekly flows start from week 1 (Oct 1-7)to week'52 (Sept.23-30),the flow for week 52 is the total flow between Sept.23 and 30 divided by 8. j ·1 1 Table E.2.2.8 (Page 2 of 5) 1958 7628. 6544.5337.5503.3997.3287.2815.2314.2637.2991- 2551-1902.1544.1839. 1614. 1408. 1332.1101.1152.1038. 959.959.1024. 1000.939.939.950.1063.1153.1398. 3001.5917.8267.15742. 16842.24642.24642. 21247.19363.18442. 18442.18442.18082.32829.23946.17783.14415.9969.6605.6605. 5128. 5129. 1959 4604. 4050.3875.2689.2392.2068.1760. 1352.1215.797. 879.1375.1375.1150.1109.1056.1035.1051-1027.984. 879.797.683.683.683.683.666. 666.952.999. 1801.2951-12604.17856. 14298.20496.15311-18247.20418.21688. 20819. 22556.17816.18373.14392. 18474.34121-33290.20953.10824. 8131.7669. 1960 8534.5896.3243.4051-2692.2292.2194.2064.1962.1656. 1656.1656 •1656.1541-1523.1360.1295.1227.1175.1152. .1097.1062.1041.996.882.882.694.694.910. 945. 4703.6668.12886.20055.20716.11838. 12275.12710. 13971.19"936. 14780.17003.23312.'26487.20467.18086. 17477.16811.14281-22570. 15996.11980. 1961 9778.7102.5050.3678.2753.2516.2319. 2058.2118.2126. 2085.1833.1833.1776.1773.1825.1846 •.1601-1317.1297. 1246.1181-1097. 1222.1535.1535.1617. 1617.1783.1811- 5580.10306.17834. 16989.15795.14578.23810.29749.24996.18341. 19253.19937.20655.22581-23083.19710. 18708.13842.9309.10560. 10059.10131. 1962 8304.3663.3663.3663.2910.2187.2187.2187.2067.1742. 1742.1742. 1742.1645.1626.1626.1626.1462.1237.1237. 1237.1207.1174.1174.1174.1174. 1335.1335.1335.1335. 3165.3896.10571.15580.25042.25502.49464.42296.29941.24659. 24076.20979.24659.22051-19487.19487.19487.19844.18961.11972. 9699.9763. 1963 7677.5846.5094.4603.3273.2427.2427.2427.2243.1684. 1684. 1684. 1684. 1346.1303.1303.1303.1284.1203.1203. 1203.1015.870.870.870.870.680.680.680.680. 2138.2871-16185.26173.29395.20039.20039.20039.20039.25591- 33081.31343.26765.24772.22882.19853.20996.17689.13124.11736. 9384.8325. 1964 7204.6067.4963.3760.2277.2037.1803.1489.1454.1358. 1311.1038.1038.913.888.830.807.816.818.802. 760.696.612.588.524.524.588.588.637.646. 524.521.699.1548.1779l.66753.45845.38257.27669.22261. 22938.21646.14854.16893. 15985.12889.13741.11603.890l.7255. 7294.6247. Table E.2.2.8·(Page 3 of 5.) j J 1 ) 1965 5814.6506.4258.3387.2593.2408. 2383.2656.1708.1175.] 1047.952. 952. 880.866.866. 866.821.764.764. 764.785.809.809.809.809.1050.1050.1324.-1370. J1702.4582.7973.14365.28598.18020. 19249. 18396.27076.25264. 25478.23730.20581.18313. 16343.25247.16925.9394.14093.17314. 15844.18328. .J196610948.6087.2852.2359.2043.1676.148l.1412.136l.1265. 1223. 1174.1129. 1075.1062.1062.1062.1025.980.980. 980. 983. 985. 985. 985. 985.1091.1091.1432.1490. 2210. 2873.5322.10202.16017.37660.26954.22768.19214.15178.",'1 14458. 15132.17122.2251l.18320. 15064. 18252.14606.10023.9733 ..~J 9623.7019. 1967 5525.3705.2802.1896.1290. 1192.1192.1192.1173.1119. J1119.1119.1119.'1105.1106 •.1106.1106. 1077.1037.1037. 1037.965.882.882.882.882.77l. 77l.790.910. 1409~4044.14066.19680:23533:22187.29069.24227.23703.17634."')"" 17564.24423~28466.21665.20177.44209.24653.16555.2351l.13875. 10087.7666. 1968 5636.4692.3669.2797.2340.1987.1881.1812.1780.1740. 1740. 1669.1657.1633.1634.1634.1611.1552.156l.1561.:) 156l.156l.1560. 1560. 1560.1560.1544. 1485.1556.1662.' " 1787.2353.10464.2706l.21911.21507.29938.30356.22099.24724. ,'-----~2-2'5-0~4_;21-7'2'3";--20c9'9cl~18c3c2~4--;-r6-5-41.'7''l-375-9-.T243o-:--TrO 24 .-9099.--9115.' 15821.4456. 1969 4162~3593.2768.2457.2109.1631. 1241. 1087.90l.809. 767.724. 687. 658.640.598.598.598. 587.599. j630.630.655.,673.709.732.779.91·9.1196.1696. 2867.5116.9727.17064.10209.11525.14689.16092.14614.1305l. 16518.16974.14188. 11668.1220l.6318.5126.4792.5256.4595.' 3939.3308. J......1970-.3018,.-..2,84·1-.,-24·89 •·,·1-680.-143-2-.1-20-2-.-·--950.--84-2.-"--78-7'.'----73 5• 6_9_9_._._6_9..4_.__6.9..4..___65_6 .•____,6.5 c6.•--.-6.2.S..--..-6-1-7-.--6-l-B·.--6-2-B-.--S8 9• 589.589.605.616.645.645.769.846.969.1176. "J1634.3900.13817.12474.15221.12989.12531.11864.19977.20089. 16855.18059. 17267.21606.18880.14586.16486.11350.9396.7477. 7616.4244.I1971499l.4166.3393.2885.2923.2796.2543.2249. 2013.1886. 176l.1614.1446. 1328.1188.1080.,9..50.880.821.746. 746.730.716.716.716..716.717 •,744.808.904." 109~8.1415~2087~3683.'-6558.192-5'1.39740.24136.33340.21395.i ) 2177l.25092.16325.20943.38945.34819.21352.16880.19170.12233.1 925l.8027.----------------------.1 1, I Table E.2.2.8 (Page 4 of 5) I III 11972 6619.593l.450l.371l.3005.2717.2574.2431.231l.2016.I 2016.1860.1860.1790.1642.1642.1642.1643.1528.1465. 1465.1403. 1416.135l. 135l.1329.124l.1241.1189.1241. 2386.13753.13553.18894.31966.20142.35772.31327.21178.22096. 22084.19683.16050.18343.19675.18045.18653.12473.11598.15857. 11686.5278. (1973 4296.3976.5515.4090.2727.2210.1887.1738.1519.1356. 1210.1186.1186.1051.1026.1026.1026.1035.1008.1008. 1008.·929.868.868. 868.868.879.879.879.929. 1227.2355.8066.11109.13811.17385.28985.31344.20593.18980. 18143.13728.14810.15752.18754.14942.19441.20593.11210.7823. 6605.5366. 1974 4607.3710.2558.1938. 1693.1459.1344.1230.112°.1028. 926.881.854.816.81l.778.765.•745.707.694. 662.663.648.636.605.605.594.620.747.1189. 2059.534l.9964.22246.25280'.16013.13675.12785.1365l.14383. 17876.16396.15766.14730.15504~13265.10498.14244.13395.7511. 7590.9984. 1975 4537.4509.2402.1602.1468.1418.1478. 1478. 1461.1264. I 1264.1264.1264.1270.1203.1203.1203.1200.1123.1123. I 1081.105l.1040.1040. 1040.1040.1036. 1047.1142.1354. 2133.5138.11291.17252.2308l.30459.22880.28749.25700.23413. 1 1976 25455.2413l.22076. 20265.16199.15474.13658.11762.9359.15849. 14847.12513. 7559.6664.6139.3621.2720.1937.1475.1173.lOll.925. 890.855.809.778.778.'750.739.741.746.746 .. 746.726.687. 687.687. 687.644.675.839.1402. 3440.9778.9397.9828.11375.23100.24887.17525. 16928.16991. 16954.16164.16576.20226. 26317.19534.15004. 10554.6302.5160 .. !1977 5190.5530. 3729. 3045.2903.2576.2139.1963.1839.1736.2097.1902. 1722.1583.1462. 1442.1400.1326.1294.1257.1219.1197. 1197.1156.1106.1106.1106. 1106.1149.1149.121l.1272. 1314.2267.8205.12588.1953l.29414.38957.31928.28489.18502 .. 20572.21740.18089.1953l.18939.17328.17519.11066.8643.12235. 11736.9877. (1978 6782.6882.6046.4510.3355.2862.2578.2392.2223.2108. 2015.1955.1808.174l.164l.1557.1496.1403.1285.1247 .. 1247.1212.1258.1258.1258.1275.125l.1251.1251.1322 .. 3355.11862. 16195.10959.1166 O.13979.19417.16614.20703.19608. 18215.18416.18064. 16600.15674.14572.12160.8756.9287.8372 .. 6.2-93.4696. 3796.2849.2736.2368.1774.1558.1502.1483. 1170.1185.1138.1138.1138.1059.1067.1067. 1113.1113.1113.1113.1064.1113.1228.1545. 10811.17246.28470. 25470.21379.19302.23880.22832. 281QO.21732. 20346.16431.13993.12415.7911.7704. 5948.4395.4084.3698.4120.2949.2811.2297. 1711.1607.1535.1451. 1379.1345.1285.1224. 1177.1177.1177.1177.1122.1122.1179.1604. 11764.10518.16714.25823.20349.26351.22988.26281. 25275. 28150.19051.18006.16331.11948.8723.9329. 6326.5214.3950.3534.2637.2685.2707.2175. 1516.1448.1684.1961.2118.2142.1911.1594. 1194.1274.1297.1314.1238 •.1291.1373.1779. 17640.11625.19077.16465. 14949.1608·5.18788.14090. 290()7.31168.30077.f38871 •...30803;;'20647~1515a~--12220. Table E.2.2.8 (Page 5 of 5) 1979 4195.4701- 1349.1214. 1067.989. 2451.4633. 22584.27495. 11339.8978. 1980 6672.8469. 2069.1890. 1176.1175. 3462.8·212. 26663. 28137. 15679.10243. 1981 8532.7605. 1678.~1578. 1265.1190. 4737.17566. ..33261.32516. 10197.8299. 1982 5901.5560. 1860. 1794. 881.767. 2641.6274. 20637. 20979. _.._.__.__.21_0.1.0.•....115.82. 1983 7782.6119. 1850. 1850. 1685~1583. 3484.8419. 19352.'··16152~ 8465.9728. 5713. 1794. 826. 11618. 23533. 4982. 1965. 1534. 14537. 17431. 6627.3364.28.45.2782.2339.2057.1971. 1697.1695.1695.1695.1729.1662.1213. 826.874.1123.956.956.1057.1403. 15603.17916.2~638.18090.23883.23173.16689. 20306.13970.12157.10610.11835.10670.13360. _._.._..____._..;..~._....:.._......::.;c;....._.___.__ --_•.._._---_.__.._--_.._._----_c..:...._---"--_....;....:-,.._.._._.....__~__ 2921. 2384.2252.2137.1997.1944.1850. 2201.1906..1690.1588.1553.1535 •1650. 1437.1389.·1280.1185.1208.1411-1907. 12909.18671.23758.17019.20754.20568.22463. 17935~22829.21149~18683.22.728.15528.9607. ( II Table E.2.2.9: 1/ COMPUTED WEEKLY FLOWS FOR SUSITNA RIVER AT DEVIL CANYON- !1951 1 1952 I 1953 1954 ! i I 1955 I )1956 I 1 1957 5002. 1029. 763. 5578. 23579. 18128. 8578. 1744. 913. 1070. 18796. 10567. 10249. 1518. 728. 11682. 17262. 12951. 7420. 1374. 923. 5588. 17237. 11456. 5953. 1956. 1280. 3137. 27394. 11555. 6868. 1197. 892. 2220. 29885. 19588. 6577. 2147. 1396. 2998. 20209. 18292. 4460. 1029. 732. 16270. 22556. 15345. 5735. 1744. 876. 1348. 24021. 12646. 9557. 1518. 737. 16151. 18775. 9867. ·6152. 1374. 834. 11134. 16771. 7355. 5593. 1723. 1153. 4150. 21145. 9100. 5055. 1197. 879. 10455. 30181. 12547. 6577. 1751. 1263. 5240. 22658. 17567. 3893. 1029. 693. 18094. 20742. 4169. 1744. 823. 1844. 26032. 6653. 1518. 770. 14696. 19518. 4514. 1374. 718. 18035. 16771. 4211. 1723. 1010. 4849. 25282. 4117. 1197. 849. 14922. 29454. 4462. 1751. 1088. 8557. 24581. 2221. 928. 693. 8982. 20059. 3240. 1547. 823. 3994. 34530. 4848. 1076. 770. 25346. 24005. 3597. 1260. 718. 20674. Z9010. 4211. 1838. 1010. 14520. 22103 •. 3547. 958. 849. 29687. 29030. 4110. 1614. 1088. 19170. 19770. 1390. 911. 693. 15694. 16216. 3275. 1512. 823. 19808. 22572. 4640. 1001. 770. 19715. 20575. 2199. 1236. 718. 19401. 23623. 3316. 1855. 1010. 15954. 20433. 2325. 913. 849. 19760. 26510. 3399. 1588. 1088. 28186. 19771. 1308. 911. 693. 28723. 17229. 3051. 1512. 823. 23151. 17722. 3958. 1001. 770. 32683. 16487. 2085. 1236. 718. 23445. 23623. 2637. 1589. 1010. 19123. 20965. 1938. 913. 849. 31174. 23956. 2855. 1588. 1088. 35489. 19663. 1227. 911. 632. 20708. 16860. 2256. 1512. 865. 32788. 13454. 2537. 1001. 515. 25237. 16972. 1928. 1236. 585. 22525. 23623. 2487. 1483. 962. 31175. 25488. 1781. 913. 770. 40573. 19099. 2740. 1588. 974. 31359. 18031. 1159. 849. 812. 13168. 23677. 2231. 1242. 865. 35561. 15784. 3109. 882. 515. 20543. 20191. 1796. 1105. 585. 21603. 22350. 2197. 1401. 962. 33822. 36191. 1570. 914. 770. 29790. 16306. 2587. 1509. 974. 27825. 19953. 1105. 763. 1247. 18542. 28254. 2060. 913. 865. 31470. 18093. 2241. 728. 833. 24040. 17049. 1633. 923. 1006. 26262. 14288. 2140. 1280. 962- 31673. 18609. 1470. 892. 770. 26263. 14339. 2471. 1396. 974. 19052. 17237. 1029. 763. 2166. 20078. 17550. 1744. 913. 865. 26455. 12236. 1518. 728. 1384. 19114. 15531. 13-74. 923. 1076. 21613. 12282. 1995. 1280. 962. 32794. 14219. 1197. 892. 770. 27406. 20101. 2213. 1396. 974. 21995. 18813. I...J,----------------------------- 1/Weekly flows start from week 1 (Oct 1-7)to week 52 (Sept.23-30),the flow for week 52 is the total flow between Sept.23 and 30 divided by 8. ,\ I J ,1 .J J J } J \ 1 1 ] J ,I 1 1872. 1414. 693. 28908. 12804. 985. 1226. 1246. 24645. 13349. 1995. 1351. 1077. 22156. 26586. 2410. 1414. 693. 23383. 14318. 3221. 1333. 1299. 21304. 7737. 2508.2634. _1 60 4.1578 • 2201..2235 . 29708.21299. 11262.12778. 1405. 1278. 1187. 23769. 25835. 2322. 1378. 1035. 15491. 16823. 2444. 1474. 790. 14093. 19226. 2831. 1331. 1198. 23381. 11239. 1563. 1276. 831. 21239. 39763. 2439. .._1988. 1996. 35357. 15053. 2749. 2294. 1996. 28298. 20310. 2599. 1559. 790. 13610. 19984. 3443. 1611. 1071. 27116. 16251. 2035. 1262. 831. 17822. 40756. 2981. 2268 •.. 1891. 17325. 21399. 2716. 1637. 1019. 13128. 20681. 2388. 1288. 865. 23860'- 2206.4. 4021. 1703. 1042. 27116. 20048. 3192. 1835. 1019. 23524. 23404. 3269. 2203. 1891. 18628. 25061. 2770. 1351. 865. 19652. 17188. 4885. 1953. 1042. 20003. 26997. 4751. 1857. 1152. 22750. 30054. 4360. 2211. ,1505. 19947. 24592. 3236. 1403. 865. 24455. 21943. 6784. 2228. 1110. 18752. 36827. 5986. 2271. .135:2: 20940. 23984. 6579. 1998. 1138. 9849. 19851. 4662. 1699. 865. 17261. 20245. 3803. 1995. 1205. 14617. 25911. (Page 2 of 5)Table E.2.2.9 1 )1-------------------------------- 3868.';_1 1201.) 1575. 20248. 7737. 1958 9403.8067. 3300.2460. 1109.111l. 3551.7050. 202 48.20248 • 6008.6007. 1959 5540.4873. 1086.1699. 1096.997. 2471.4043. 23659.25632. 10026.9459. 1960 10007.6913. 1995. 1995. 1286. 1247. 5345.7566. 16426. 18898. 18844.14112. 1961 11591.8418. 2583~2271. 1516.1446~ 6581.12101. 22357.23150. 12169.12256. 1962 9801.4324. 4324.4324.3274.2458.2458.2458.2321.1960. 1960.1960.1960.1837.1815.1815.1815.1634.1392.1392. 13 92 •1 359 •13 16 •13 ~~__1 =!~!-__--!~!h__!~86 -!-__l-if B~!-__14 R6 •__148 6• -~-~~33-91-_;--4IT3--.IT3-2 5 :-16690.26822. 28876.56010.47891.33902.26163. 25543.22258.26163.24614.21799. 21799.21799.22209.22008.13899. 11257. 11332. 1963 8737.6653.5797.5238.3522.2607.2607.2607. 1872. 1872.1872~1540.1490.1490.1490. 1465. 1414. 1188.933.933.933. 933.693. 693. 2460.3320.18714.30261. 34055.23383.23383. 23383. 37368.35407. 30234.26872. 24729.21455.22691.19122. ---_.•.•...._,._-_._--...--·-··--~-10-2-3 9.---,----908-3"-..--.---..------..----...-..---.--.---.------.------..----.--.-..--.....---.----- ___L9_6A_83-2-7_._7_0_1_1_._-----S_7--'J_7_.-4.!J-4-7-.--2-6-5-8-.-'2-3--7-4-.-2-1-e-e-.-1-7-3-6-.-1-6-9-0-.-r5-7-6-~ 1523. 1205. 1205. 1047. 1020.954.926. 934. 942.922. 876. 802.707. 679.606. 606. 674.674. 730.740. 590.604.809.1790.20029.74483.51153.42687.30872.24270. 25009.'23601.16194. 18729.17736.14300.15247.12880.10489.8548. 8595.7361. }/ Table E.2.2.9 (Page 3 of 5) III 1965 7044.7883.5159.4104.2914.2687.2659.2963.1906.1271- 1133.1030.1030.943.928.928.928.880. 820.820. 820.841-870.870. 870. 870.1115.1115.1406. 1454. 1899.5130.8925.16084.3196l.20514. 21916. 20942.30826.28458. 28698.26730.23181.20872.18586.2871l.19247.10693.15833.19452. 17801.20591. 1966 13634.7579.3550.2937.2500. 2042.1804.1721.1656.1554. 1503.1442. 1388.1298.128l.1281. 1281.1238. 1180.1180. 1180.1184.1187.1187.1187.1187.1317.1317.1731.1800. 2714.3540.6557.12569.19703.44111.31569."26668.22505.17390. 16564.17337.19615.26089.21345.17552.21266.17016.11802.11462. 11331.8267. 1967 6487.4350.3288.2227.1568.1446.1446. 1446. 1422.1361. 1361.13"61.1361.1362.1363.1363. 1363.1325.1275.1275. 1275. 1188. 1078. 1078. 1078.1078.963.963. 989.1138. 1624.4649.16169.22624.2706l.24918.32648.27209.26620.20076. 19995.27805.32408.25176.23405.51282.28599.19229.27035.15955. 11597.8813. 1968 6430.5353.4187.3191.2670.2265.2145. 2064.2026.1969. 1969.1888. 1875.1868.1869. 1869.1842.1776. 1779.1779. 1779.1779.1779.1779.1779. 1779.1750.1684.1764.1883. 2087. 2748.12217.31597.25614.2462l.34274.34753.25300.27823. 25325.24447.23623.20824.18816.15653.14145. 12539.10453.10471. 1 1969 6687.5120. 4751.4102.3160.2805.2386.1844. 1404.1229.1017-896. 849.80l.761.73l.71l.663.663. 663.660.673. 707.707.735.755.796.822. 878.1036.1348.1912. 3208.5727.10892.19104.11446.12312.15692.1719l.15610.13725. 17372.17848.14921.12703.13327.6903.5598. 5234.5924. 5179. 4441.3729. 1 1970 3613. 3401.2979.2011.1615.1349.1065.943.883.840. I 799. 793.793.780.78l.748. 735.735. 739.693 . 693. 693. 698.711.745.745.81l.893.1021.1240. 1833.4383.15525.14018. 17146.15505.14957.14162.23845. 23076. 19362.20745.19835.24759. 21655.1"6732.18910. 13021.10994.8748. 8910.4967. 1971 6293.5253.4279.3638.3621.3449.3138.2775.2486.2321. 2166.1986. 1779.1597.1429.1298.1140.1059.999.908. 908.889.865.865.865. 865.870.903.980.1096. 1312.1700.2506.4424.7861.21610.44612.27094.37428.23189. 23596.27197.17694.23161.43006.38447.23577.18657.21459.13693. 10354.8985. Table E.2.2.9 (Page 4 of·5) 1972 7354.6590.5002.4124.3386.3056.2896.2735.2602.2389. 2389.2205.2205.2182.2001.2001.2001.2000.1885.1807. 1807. 1730. 1718. 1639.1639.1613.1483.1483.1422.1483. 2946.17070.16823.2345.2.39387.23332.41437.36288.24532.24274. 24261.21623.17632.19568.20953.19219.19865.13290.12589.17212. 12685.5728. 1973 4631. 4286.5945.4409.2970.2408.2056.1894.1654. 1511. 1349.1321.1321-1162.1134.1134 •.1134.1142. 1142.1142. 1142.1050.945.945.945. 945.949.949.949.1003. 1329.2552.8737.12035.14974.19248.32089.34700.22798.20385. 19488.14744. 15905.17030.20275.16155.21018.22260.12074.8425. 7115.5779. 1974 5275.4249.2930.2220.1835. 1574.1450.1328.1218. 1099. 989.941-913.876.870.835.822.798.765.751- 717.718.714.700.666.666. 639.665.802.1279. 2387.6225.11611.25921.29383.18109.15463.14457.15436.16001. 19887.18241. 17539.16605.17493. 14966.11844.16072.15586.8738. 8830.11618. 1975 5158.5126.2732.1822..1618.1622 •1622.1622.1607.1479. 1479.1479. 1479.1473.1394 •.1394.1394_._1393_.1365.'1365. 1313.1274.12'72.1272.1272.1272.1248.1260.1375.1630. 2559.6184.13592.20770.27708.34462.25886.32527.29079.26155. 28436. 26957.24660.22789.18242.17426.15380.13252.10858.18386. 17223.14515. 1976 9346.8243.'7593.4478.3159.2241.1707.1356.1167.1063. 1023. 983. 930.920.921.888.875. 876.880. 880. 880.856.822. 822.822...~.2 2•___.---1~_Q.!c ~__L9_2 .•_.~98.3._.1643 . ~.---_.-....._--..-.,4-311-;--1-2-37-4-~-Tr 8-9-2;T2 43-6~14:396':26245.28274.19909.19234. 18276. 18235.17385.17831.21250.27600.20486.15736.11079.7164.5867. 5902.6285. 1977 4442.3626.3458.3068.2652.2438.2285.2156.2600.2429. 2200. 2020.1867.1772.1720.1629.1590~1543.1487.1461. 1461. 1415.1355.1355.1355.1355.1438.1438.1516.1592. 1712.·2974.10764.16515.25448.33191'.43962.36028. 32148.20430. 22716.24005.19973.21372.20695.18935.19143.12101.9714.13751. ______.13_L9,O •.,.-110-9-9-.--' 1978 8 11.2_._8_22_9_.~7-2-3-2-.~5-3·9__5".-4_Q-7-9,-.~3-4-7-4__.___3i.-3i;-.-2-9-0-4---;.--2-6-9-2-.-2-5T3 • 2412.2340.2163.2060.1942.1843.1770. 1663. 1548.1503. 1503.1460.1478.1478.1478. 1498. 1441.1441.1441. 1522. 3504.12344.16853.11404.12150.14917.20720.17729.22092.21324. 19810.20028.19646. 18935. 17917.16659.13901.10010.10516.9480. 7126.5317. J "] J 1 1 ,J .1 I ~] j j ] ] j J 'J i ] ,1 ;')} ,T1able E.2.2.9 (Page 5 of 5) 1979 5005.5607.4528.3398.3267.2830.2121.1862.1792.1748. 1591.1433.1381.1359.1306.1306.1306.1213.1218.1218. 1218.1126.1169. 1169.1169.1169.1131-1184.1305.1640. 2638.4998.11662. 18604.30663.26683.22397.20220.25018.25082. 24811.30205.30868.24867.23326.18838. 16043.14232.8834.8606. 12663.10027. 980 7486.9501.6673.4930.4588. 4148.4621.3309.3151-2576. 2321.2119.1918.1801.1722.1628.1547.1507.1440.1372. 1319.1320. 1321. 1321.1321.1321.1260. 1260. 1324.180.0. 3875.9212.13196.11801.18768.28973.22831.29565. 25792.29501. 29933.31585.28372.31440.21402. 20230.18346. 13413.9786.10465. 17592.11492. 1981 9434.8409.6994.5765.4389.3929.2932.2985.2998.2216. I 1710.1608.1546.1524.1775.2066.2232.2262.2240.1868. 1484.1391.1391.1484.1510.1529.1449.1510.1608.2083. 5196.19239.19321.12733.20884.18091.16425.17674.20644.16157. 38138.37283.33258.36067.34704.44852.35541.23832.16893. 13620. 11366.9251. 1982 6569.6190.6361-7376.4141.3513.3436.2889.2534.2328. !2193.2115.2115.2·084.2083.2083.2'083.2106. 2111..154"2. I 1119.982.1001.1001. 1060.1363.1286.1286.1420.1886. 3035.7207.13345.17920.20543.24650.20609.27209.26402.18710. I 23136.23521.26386.22303.15386.13388.11684.13035. 12548.15713. J983 24712.13620. 9491.7464.6077.3562.2760. 2590. 2458.2297.2235. 2142. 2142.2142. 2274.2569. 2225.1974.1854.1813.1769.1902. 1942.1821.1710.1602.1548.1427.1341-1366. 1596.2158. 4096.9947.17176. 15253.21996.26445.18942.23102.22894.24232. 20875.17423.18801.19944.25388.23520.20778.25284.17691.10946. 9644.11085. , ,'I JJ Table E.2.2.10:GOLD CREEK NA 1jU~AL MONTHL Y fLpWS (CfS) I I i i n:AR OCT NOV DEC JlIN I FEB NAR APR NAY JUN JUL AUG SEP ANNUAL 1 i , 1951 3848 1300 1100 960 820 740 1617 14090 20790 22570 19670 21240 9106 I ,920 5419 32370 26390 20920 14480195255712744190016001000860 9552 1953 8202 349:7 1700 1[00 620 620 1615 19270 27320 20200 20610 15270 10090 1954 5604 2100 1500 1300 1000 780 1235 17280 25250 20360 26100 12920 9662 1955 5370 2760 2045 1194 1400 1100 1200 9319 29660 27560 25750 14290 10256 1956 4951 1900 1300 98q 970 940 950 ,17660 33340 31090 24530 16330 11473 1957 5806 3050 2142 1100 1500 1200 1200 13750 30160 23310 20540 19800 10364 1956 8212 3954 3264 1965 1307 1146 1533 12900 25700 22880 22540 7550 9476 1959 4611 2150 1513 Ijt48 1307 980 1250 15990 23320 25000 31160 16920 10560 1960 6558 2850 2200 1845 1452 1197 1300 15780 15530 22980 23590 20510 9712 1961 7794 3000 2694 2~52 1754 18io 2650 17360 29450 24570 22100 13370 10809 1962 5916 2700 2100 l~oq 15()0 1400 1700 12590 43270 25650 23550 15890 11565 1963 6723 2BOO 2000 1600 1500 1000 630 19q30 26000 34400 23670 12320 11073 1964 6449 2250 1494 1~481 966 713 745 4307 50560 22950 16440 9571 9800 1965 6291 2799 1211 ~60 860 900 1360 :12990 25720 27640 21120 19350 10169 1966 7205 2098 1631 1400 1300 1300 1775 9645 32950 19660 21630 11750 9432 1967 4163 1600 1500 1500,1400 1200'1167 15460 29510 26800 32620 16870 11219 1968 4900 2353 2055 1~~~1 1900 1900 1910 16180 31550 26420 17170 6616 9611 1969 3822 1630 682 723 61.6 1510 11050 15500 16100 8879 5093 5596 I i197031241215666824!766 7~6 1080 11380 16630 22660 19980 9121 7591 1971 5288 3407 2290 1442\1036 9~0 1062 3745 32930 23950 31910 14440 10251, 1972 5647 3093 2510 2239!2026 1823 1710 21890 34430 22710 19290 12400 10886 1973 4826 2253 1465 12001 1200 1000 1027 8235 27800 18250 20290 9074 6086 1974 3733 1523 1034 874!777 72,4 992 16180 17870 18800 16220 12250 7631 1975 3739 1700 1603 15161 1471 1400 1593 15350 32310 27720 16090 16310 10275 1976 7739 1993 1081 974'950 900 1373 12620 24380 18940 19600 6861 8189 19.71 3874 2650 2403 '"15~0182911618 1680 12680 37970 22870 19240 12640 10109 197tl 7571 3525 2589 ',21020 16390 86072q29!1668 160,5 1702 11950 19050 6195 1979 4907 2535 1661 1397,1286 120,0 1450 13870 24690 28880 20460 10710 9489' 1980 7311 4192 2416 1~48i 1466 1400 1670 12060 29080 32660 20960 13280 10746 1981 7725 3569 1915 2013 1 1975 15615 2040 16550 19300 33940 37670 13790 11961 1982J1 7463 3613 2397 2~001 1739 1203 1783 13360 26100 24120 15270 17760 9800 1983aJ 6692 2633 2356 2265 1 1996 169;0 1900 14950 24510 21150 24500 13590 9926 1 , MAX 8212 4192 3264 2~521 2028 1909 2650 21890 50560 34400 37870 21240 11961 MIN 3124 1215 666 ~24\·723 71 i3 745 3745 15500 16100 8879 5093 5596 NJ::AN 5825 2589 1844 1543,1317 11619 1441 13483 27795 24390 21911 13493 9785I , J.J The USGS gage 'at Gold Creek has Ibekn operational sin~eOctober 1949.Reservoir 9peration simulations were made for the 34 ca1 7ndar yea~sbeginning January 1950,and ending December1983~Hydrologic statistics used in comparing natural and with- proJect cond~tions are based on Ith~33 complete wate~years (standard statistical year)beginning October 1 1950 and end- ing September 30,1983.,:' 1.1 P ..1 .,I Irov~s~ona data were used for watTr years 1982an~1~83.Final date published for these years are identical to provisional data except in the November 198~t?March 1982 per~odl.The final pUblished values (USGS 1983)for these months are: November,3,260;December,11l77;lJanuary,1,681;F'ebruary.,1,486;March,1,347.These differences amount to approximately 1 percent of the yearly flow and d6 not affect the validity of the results. I -'~~-'--'--~----:..--~----'------:..-...-- Table E.2.2.11:NATURAL WEEKLY FLOWS FOR SUSITN'A;RIVER AT GOLD CREEKlI 1951 5257.4686.4091-2334.1471.1386.1300.1229.1171-1100. 1100.1100.1100.980.960.960.960.900.820.820. 820.786.740. 740.740. 740.774.997.1529.2657. 6157.17329.19271.9567.16671-29543.21300.13543.19071-20729. 24343.23286.21414.21429.17614.18714.18314.25600.30057.18671- 19286.18657 •. 1952 9229.6171-4486.3486.3500.3204.2369.2343.2186.1900. 1900.1900.1900.1643.1600.1600.1600.1343.1000. 1000. 1000.949.880.880. 880. 880.920.920.920.920. .1191-1514.2071-4486.21929 •24814.35143. 38114.33729.27629. 19629.25086. 27186.37243.25071.19686.14943. 17329.18886.12771- 11029.15086. 1953 11143.10390.7233.5271-5000.4257.2729.3343.2429.1700 •. 1700.1700.1700.1186.1100.1100. 1100.980.820.820. 820.820.820.820.820. 820.930.930.1504.2500. 14129.16814.15300.26386.20743.35114.27114.22071-25829.20229. 18271- 19871-20657.25643.21P.57.17514. 18029.21500.18786.17114. 14271-12426. 1954 8119.6733.4940.3937.2401-2271-2100.1957.1786.1500. 1500.1500.1500.1329.1300. 1300. 1300.1171-100 O.1000. 1000.906.780.780.780.780.870.870.1496.1600. 6743.12286.19900.22814.21571-25457.24457.23457.28514.24486. 19529.19000.19000.31143.24000. 24000.24000.23000.16286.14000. 13057.9581- 1955 6500.6109.4600.4600.3686.3000.2829. 2500.2414. 2200. 2157.1900.1900. 1986.200 O.1714.1600.1514.1400.140 o. 1400. 1271.1100.1100.1100.1100.1200.1200.1200.1200. 3557.4500.5257.15743. 17429.20329.33143.35957.33671-34186. 28557.22043.26357.22614.20900.21443.26071-37243.19671-15029. 12214.10993. 1956 7236.5327.4339.3737.2486.2100.1929.1700.1586.1300. 1300.1300.1300.1026.980. 980.980.976.970.970. 970.957.940.940.940.940.950.950.950.950. 2514.11400.16271-32371-21686.33457.43543.31971-28186. 29057. 31686.32000.31229.31429.28771-26000. 20729.17714. 16000.22429. 21857.16000. 1957 7200.7200.4886.4500.3757.3200.3071-2900.2757.2400. 2329.1900.1900.1729.1700.1700.1700.1614.1500.150 o. 1500.1371-1200.1200.1200.1200.1200. 1200. 1200.1200. j 3414.5757.9400.21057.30914.37443. 33086.29357.20100.23214. 21329.23914.25943.20957.20943.20829.19100.21143.18914.20643. 20071-22029. I 1/Weekly ~10WS s~~~tfrom week 1 (Oct 1-7)to week 52 (Sept.23-30),the flow for week 52 is the total flow between Sept.23 and 30 divided by 7 I Table E.2.2.11 (Page'2 5) j of J 1958 10333.8864.7230.7454.5429.4521.3870.3181.3586.4314. 3680.2744. 2229. 2429.2129.1857.1757.1457.1443.1300.11200.1200. 1200.1171.1100.1100. 1200.1343.1457.1766. 3990.7883.11014.20971.22057.28000.28000.24143.22000.22000. 220no.22000. 21571.38686.27529.20443.16571.11557.8500.8500. '.\6600.7543. .1959 5991.5271 •5043.3500.2986. 2600.2214.1700.1529.1100. 1214.1900.1900.1557.1500. 1429.1400.1400.1400.1343. 'I120n.1106.980.980.980. 980.1000.1000.1429.1500. 2857.4543.19400.27486.22329.26029.19443.23171.25929.26400. 25343.27457.21686. 23886.18629.23914.44171.4~171.28700.14829. 11137. 12007.I196010714.7400.4071.5086.3486.3000.2871.2700.2557.2200. 2200.2200.2200.2029.2000.1786.1700.161,4.1500.1471. 1400.1357. 1300.1243.1100.1100.1100..1100.1443.1500. 'I5857.7600.14686.22857.24286.14357.14886.15414.16943.22929. 17000.19557.26814.32043.'25429.22471.21714.20857.18314.28943. 20514.17557.' .J19,61 12529.9100.6471.4714.3586.3300. 3043.2700.2757.2900. 2843.2500.2500.2414.2400.2471.2500. 2200.1800.1771. 1700. 1614.1500.1671.2100.2100.2500.2500.2757.2800. )7229.12714.22000.20957.19814.18971.30986.38714.32529.23000. 24143.25000.25900. 25643.26000.22200.21071.15657.12429.14100. 13429.15457. ···1-9·6-2 1·04-2·9.·...4600·...·4'600'•..'4'000';-3S-14~2700~"2700~.. 2700.529.2100. '!2100. 2100.2100.1929.1900.1900. 1900.1729.1500.1500. 1500.1457.1400.1400.1400.1400. 1700.1700.1700.1700. 3700.4500.12214.18000.,28471.30286.58743.50229.35557.27186. j26543.23129.27186.26057.23000.23000.23000.23429.23571'.14886. 12057. 13871. 1963 9150.6967.6071.5486.3700.2800.2800.2800.'2571.2000. 1 2000.2000.2000.1657.1600.1600. 1600.1557.1500. 1500. .._k5 0 [•.....12 8.6.•.....10.0..0 •......10.0.0 •....·1000·.·····1·000·.-·..·-8·30·.·..·8-30.···..........830."830 • ---...__.-..__.~-~------- 2666.3400.19171.31000.3_5.6_8_6.•_2.6.0.0.0-.-2.6-0-0.0·.-2-60-0-0-.-..2-6·0·0·0-.--3·1-1-4-3'• ~-0-2-;-S7.'38143.32571.27800.25143.21814.23071.19543.15143.13543. J10829.10979. 1964 8897.7491.6129.4643.2886.2600.2300.1900.1843.1700. 1643.1300.130,0.1129.1100.1029.1000.1000.1000.980.I930.861.770.739.660.660.710.710.770. 780. 866.1043. 1400.3099.28990.75029.51529.43000.31100.25371. 261-43.;'24Ei7L'16929~'197S7~18729.15100.16100.13600.11354.9253. 'I9304.9106. ] , '1 J Table E.2.2.11 (Page 3 of 5) 1965 7677.859l.5623.4473.30RO.2836.2807.3129.2033.1370. 1221.1110.1110.98l.960.960.960.917.860.860. 860. 877.900.900.900. 900.1180.1180.1489.1540. 201l.5386.9371.16886.33643.21971-23471.22429.33014.30357. 30614.28514. 24729.22229.19671.30386.20371.11343.16849.20700. 18943.25043. 1966 15086.8387.3929. 3250.2764.2264.2000.1907.1829.1714. 1657.1590.1530.1419.1400.1400.1400.1357.1300.1300. 1300.1300.1300.1300.1300.1300.1500.1500.1971-2050. 3014.3886.7200.13800.21657.47686.34129.28829.24329.lS643. 17757.lS"586.21029.28014.22914.18843.22829.18300. 12886.12514. 12371-10314. 1967 6990.4687.3544.2400.1729.1600. 1600.1600.1571.1500. 1500.1500. 1500.1500.1500.1500.1500. 1457.1400.1400. 1400.1314. 1200.1200.1200.1200.1100.1100.1129.1300. 1743.4929.17143.23986.28829.26571-34814.'29014. 28386.21557. 21471-29R57.34800.27100.25043.54871-30600.20614.29071-17157. 12471-10831- 1968 6851.5703.4460.3400.2857. 2429.2300.2214.2171-2100. 2100.2014. 2000.2000.2000.2000.1971-1900.1900.1900. 1900. 1900.1900.1900.1900. 1900.1871-1800.1886.2014. 2243.2943.13086.33843.27543.26457.36829.37343.27186.29429. 26786.25857.24986.22214.20143.16757.15143. 13429. 11271.11291- 7210.6309. 1969 5061-4370.3366.2987.2543.1971.1500.1314.1086.950. 900.850. 807.771.750.700. 700.700. 700.714. 750.750.779.800.843.871.957.1129.1471.2086. 3400.6013.11434.20057.12069.12800.16314.17871-16229.13929. 17629.18114.15143.13386.14286.7399.6001.5593.6303.551!. 4726.4536. 1970 3940.3709. 3249.2193.1714.1429.1129.1000.936.900. 857."850.850. 850.850.814.800.800.80 O.750. 750. 750.750. 764.800. 800. 850.936.1071. 1300. 1943.4614.163-43.14757.18129.16971-16371-15500.26100.25029. 21000.22500. 21514.26429.22871.17671-19971.13786.11897.9466. 9643.6143. 1971 7017.5857.4771.4057.4000.38('10 •.3457.3057.2743.2571. 240 O.2200.1971.1743.1557.1414.1243.1157.110 O.1000. 1000.979.950.950.950.950.964.1000.1086.1214. 1457.190 O.2800.4943.8714.22857.47186.28657.39586.24471. 24900.28700.18671-24357.44743.40000.24529.19471-22857.14586. 11029.10939. Table E.2.2.11 (Page 4 of 5) 1972 7744.6939.5267.4343.3600.3257.3086.2914.2771.2600. 2600.2400.2400.2400.2200.2200.2200.220 o.2086.2000. 2000.1914. 1886.1800.1800.1771. 1700.1700.1629. 1700. 3386.19571.19286.26886.44243.24471.43457.38057.25729. 25371. 25357. 22600.18429.20243.21729.19929.20600.13786.13186.18029. 13286.6857. 1973 4786.4429.•6143.4557,;3114.2543.2171.2000.1743.1600. 1429.1400.1400.1229.1200.1200.1200.1200.1200. 1200. 1200.1114.1000.1000.1000. 1000.1000.1000.1000.1057. 1400.2Q86.9200.12671.15714.20214.33700.36443.23943. 21057. 20129.15229. 16429.17657.21029.16757.21800.23171.12814.8942. 7551.7010. 1974 5636.4539.3130.2371.1914.1643.1514.1386.1271.1143. 1029.979.950.907.900.864.850.829.800.786. 750.750.750.736. 700. 700.700.729.879.1400. 2571.6586~12286.27429.31357.19557. 16700.15614.16671.16943. 21057.19314.18571.17714. 18686.15986. 12651.17130.16614.9314. 9413 ..14154. 1975 5503.5469.2914.1'943.1700.1700.1700. 1700.1686.1600. 1600. 1600.1600.1586.1500.15-00.1500.1500. 1500.1500. 1443.1400.1400.1400.1400.1400.1400.1414. 1543. 1829. 2843.6857.15071.23029.30500.36400.27343.34357.30714.27500. 29900.28343.25929.24200.19486.18614. 16429.14157.11743.19886. 18629.17943. -1-9~7"6-102C8-6T~geq~1.~8-357.~~-4·929~~3·4-2·9~---2 4S-7~-·-ra 7T~--T4 86~-1271.1143. 1100.1057.1000.1000.1000.964.950. 950.950.950. 950. 929.900.900.900. 900. 900.943.1171.1957. 4957.13943.13400.14014.16129.27700. 29843.21014. 20300.19329. 19286.18386.18857.21714.27714.20571.15800.11183.7729.6330. 6367.7750. 1977 4831.3943.3760.3337.2943.2714. 2543.2400.2886.2714. 2457.2257. 2086.1957. 1900. 1800.1757.1700.1629.1600. .JQJJOL ......1.557.•...1500 •.1500.1500.-.1500..···1600.1600.-··1686-;··1771. 1971.3457.12514.1.9.2.0Jl._2.9_2.0.0.•_3.4-9-S-7.•-4.6-3·0·0·.·..,.J-7-94~·.-.3-38-5-7.-2-1-7-1-4. 24143. 25514.21229.22286. 21329.19514. 19729.12514.10363.14671. 14071.13534. 1978 8829.8957.7871.5871.4486.3829.3450.3200.2964.2757. 2636.2557.2364.2236.2107.2000.1921.1807.1700.1650. 1650.1600. 1600.1600.1600.1621.1650.1650.1650.1743. 3643.12557.17143 •11600.1237J..15366!.21371.18286.22786.22314. ...20729~20957;-20557. 20214.19114. 17771.14829.10686.11214.10109. 7599.fi4 £U. ,I j 1 j I ) I I 5 of 5)Table E.2.2.11 (Page i I 1979 5416.6069.4901-3679.3577.3126.2343.2057.1971-1900. 1729.1557.1500.1457.1400.1400. 1400.1300.1300.1300. 1300.1200.1200. 1200.1200.1200.1200.1257.1386.1743. 2743.5143.12000.19143.31671-27486.23071.20829.25771-26371- 26086.31757.32457.26514.24800.20029.17057.15171.9447.9203. \13543.12254. 1.1980 7890.10014.7034.5197.4871-4.:124.4929.3529.3357.2743. 2471. 2257.2043.1914.1829.1729.1643.1600.1529. 1457. 1400.1400.1400.1400.1400.1400. 1400.1400.1471-2000. 4143.9714.13914. 12443. 19843.32143.25329.32800.28614.31343. 31800.33557.30143.33014.23200. 21929.19886.14457.10570.11304. (1981 19000. 14186. 9849.8779.7303.6019.4657.4211.3143..3200.3200.2314. 1786. 1679.1614.1571-1829.2129.2300.2329.2414. 2014. 1600.1500.1500.1600. 1629.1650. 1700.1771-1886.2443. 5623.20400.20486.13500.21943.18629.16914.18200.21257.17829. 42086.41143.36700.38600.36157.46729.37029.24971.17986.14500. 12100.11256. 1 1982 7641-7200.7399.8581-4612.3943.3857.3243.2828.2529. 2385.2300.2300.2300.2300.2300.2300.2314.2357.1721.! 1250.1100.1100.1100. 1164.1497. 1500.1500. 1657.2200. 3386.8100.15000.20143.22714.26143. 21857.·28857.28000.19500. 24114.24514.27500. 23657.16629.14471-12629. 14014.13486.16886. 26557.16729. 1983 10429.8201-6677.3914.2971.2786. 2643.2471.2400.2300., 2300.2300.2443.2771-2400. 2129.1957.190 O.,2000.2043.!2086.1957.1814.170'0.1643.1514.1500.1529.1786.2414. 4586.11086. 19143.17000.24143.27·343.19586.23886.23671-25371. 21857.18243.19686.21014.26586.24629.21757.26529.18957.11729. 10334.11878 • .--1I, i !/Weekly flows start from week 1 (Oct 1-7)to week 52 (Sept.23-30).the flow for week 52 is the total flow between Sept.23 and 30 divided by 7 Synthesized flows for the period Oct.49 through Apr.81 1/Table E.2.2.12:FILLED WEEKLY FLOWS FOR SUSITNARIVER AT SUNSHINE- 5231.' ) 2488.( 2940." 73837·"1 34331. ,1 4032. 2306. 6227. 51400. 45939.) } j 1 3604.I 2755. 5807. 56252.J 37827.' 5686. 3578. 3013. 55057. 35339. 5694. 2308. 3894. 62575~ 50992. 3805. 2955. 3661. 50229. 59465. 5588. 2536. 2473. 83180. 45732. 5983. 3976. 2843. 70391. 45599. 3R26. 3084. 2456. 39376. 53692. 6138. 3390. 2436. 85740. 44512. 7284. 2613. 2572. 56154. 49154. 6443. 4294. 2994. 71225. 53405. 6510. 3688. 3020. 67856. 52704. 3862. 3353. 2019. 57725. 40515. 6569. 3912. 2645. 89263. 42482. 6422. 2867 .. 2326. 66876. 45613. 7491. 38'45. 2703. 42692. 53619. 8386. 4015. 2594. 64522. 54633. 4232. 3289. 2043. 56558. 45836. 9461. 4493. 2497. 31442. 57583. 5119.5012.5065.4797.4217.3803. 3212.3241.3123.2935.2656. 2677.'j 2171.2143.2249.2146.3068.3127. 39503.48924.54899. 57570.64429.57641. 66404..67140...6221.4 .--54 53·3·.-~364,63·.~3.J·142• 5999.5518.4869.1 3269.2961.2847. 2956. 2988.3061.j 71981.75069.79208.\ 64547.45310.44049. 47 61 •4.~§§._~J5 2 9.\] 2705.2572. 2736. ·2~lrS·~2 51(f.~233 6.' 73775. 68116.64438.',1 37631.37748.47085.I 4873.i 3351- 3118. 60841.) 37400.) 'j 1 '1 10163.8499. 3090.3012. 2188.2196. 50770.,73245. 53155.42612. 5194. 3053. 2047. 33347. 51646. 9849. 4022. 2417. 54536. 66940. 9421.6187.4841.4936. 32 94 '~.3037~,.:t844~.27~8j. 2587;;~2S4·0·;·2S3·0-~-2'tlr9-~ 53302.46596.70346.93245. 70713.62095.53762.44261. 8482.7096. 4378.4300. 3087.3093. 61104.72993. 55688.61697. 9327. 4239. 3089. 36791. 56195. 7079. 3185. 2037. 20670. 55764. 10838. 4688. 2515. 28802. 61054. 11761. 3341. 2162. 60778. 59958. 9606. 4347. 2306. 13448. 88726. 10377. 4739. 3099. 17909. 64000. 10937. 5096. 2260. 7870. 71262. 11006. 3054. 2067. 31619. 57570. 18379. 4065. 2223. 33229. 521,87. 1951 17177. 14159. 3390. 3113. 2706.2304. 11605.29453. 67629.65919. 35510.36824. 1952 20305.14637. 5416. 5343. 2309.2238. 3908.5301. 60181.72666. 27830.45344. 1953 29969. 27812. 4039.4113. 2244.2187. 23819.34890. 48805.50817. 34251.28171. 1954 17168. 14581.11221~8475. 3843.3864.3576.3276. 2526.2484.2266. 2259. 11189.18368.34888.37389. 53541.50558.5072~-!~~27526~ ----~31890_:_-234 63~-- 1955 14415.13371.11500. 4834.4555.4425. 2810.2600.2385. 6978.10133. 11551. 79411.71137. 68586. 34541. 35544. 1956 20668.15730.11828. "'3648;3695~3907. --~.-.-.--"~,.-'~5·5·O·.2605-."25·6-9-.; 5266.21107.28155. 72291.76125. 74569. 51719.39838. 1957 17262.15437. 4965.4637. 3353.3266. 7285.13024. 61351.64597. 34408.39522. Table E.2.2.12 (Page 2 of 5) 1 1958 21101-17052.13585.13876.10793.10335.8497.7132.7668.8147. 7112.5822. 5018.4930.4444.3861-3739.3363.3245.3032. 3070.3242. 3386. 3470.3241-3086.3335.3455.4348.5664. 12052.31445.45444.63572.58652.62743.72743.59986.60064.57164. 54094.57419.61736.94235.78513. 74287.53006.39595.27467.31858. 25497.29445. I 1 1959 20071.16994.14250.9792.7710.7039. 6007.4625.4186.3159. 3073.4220.4143.3739.3695.3457.3484.3458.3355.2994. 2834.2693.2476.2545.2692.2742.2798.2908.3889.4892. 7473.13268.43457.49891-44598 •.50295.39637.51160.63889.60624. 59914.65486.56443.59048.51234.,64813.110999.87636.57222.34460. 23992. 23025. .1960 23231-16861-9958.11305.8602.7091-6624.6153.5993.5041- I 5038.4884.4847. 4192.4408.4021-3819.3598.3383.3277. 1 3019.2947.2926.2771-2547. 2550.2493.2490.3033.3165. 9834.16856.30515.51986.58311-35099.37580.41703.46768.57159. 45874.50165.67050.77476.68861-58652.50617.43507.32419~56536. 42558. 40220. 1961 27277.19379.14352.10553.7723.7194.6725.5801-5867.6177. I 6017.5390.5483.5124.4886.5024.5072.4480.3725.3658. !3592.3469.3177.3406.4001-3900.4723.4855.5251-5571- 11524.23950.39710. 38483.38787.38325.63917.76213.68496.57882. 56695.61448.69583.66684.70624.53452.59133.39921-33492.42348. 33105.35882. 1962 25987.13080.12204.11372.8964.7352.6812.6311-5874.4869. 4836. 4817.4810.4293.4155.4159. 4172.3758.3292.3223. 3227. 3084.2992.2939.2898.2918.3293.3350.3822. 3948. 7535.9228.2199'8.36813.57048.54598.100907.92899.75088.64799. 64736.62685.72878.72970.55634.51364.49261.56707.53471-30962. 24002.28609. 1963 18542.13624.11294.9763.7033.5800. 5593.5377.5286.4735. 4649.4821-4644.4181-4018.3970.3916.3627.3396.3383. 3363.2955.2358. 2319. 2172.2236.2002.2006.2056.2030. 5162.6648.34537.56583.73863.51721-50320.51709.58642.73962. 94118.93556.71752.59421-51527.49426.52148.44959.34182.29882. \23637.25728. 1 1964 22623.19739. 16110. 10918.7955.6917.5753.4331-4157.3525. 3449.3031-3031-2936.2925.2694.2580.2496.2419,.2387. 2311-2179. 2008.1990.1899.1903.2121.2374.2567.2740. 3135.3938.5265.10766.62954.159391.121320.108536.90560.63985. 70008.68485.49808.57704.48200.44736.46976.35440.28569.22262. 21446.22168. Table E.2.2.12 CP age 3 of 5) 1965 17910.22910.13289. 10873.8339.7781-7610.7836.6333.4725. 4571-4456. 4456.3542.3391.3391-3391-3213.2978.2978 •'I ...• 2978. 2916. 2833.2833. 2833.2833.3267.3267.3587.3639. 5293.9335.20057.34217.62024.48845.5380L 59666.69345.63857. 73304.69019.59113.58821-55048.81679.53261-30'322.47226.52901.'148390.79050..,.~J 1966 33187.23394.11735.9202.7284.5791.5218.4886.4568. 4150. 4036.3912.37'94.3519.3453.3421-3388.3258.3082.3026. i j !2975.2926. 2894.2885. 2885. 2888.3308.3308.3810.3929. 5661-7364.13743.23295.35651-92830.73419.64856.56973.45860. 51061.54992.62768.76553.62697.54136.69943.49930.33434.32806. '131378.26252. 1967 19226.13446.9958.6558.4904.4424.4291.4187. 4068.3929. 3884.3863.3825.3818.3774.3729.3619.3544.·3390.3330. 3220.3116~"2892.2798.2747.2715. 2530. 2502.2532 •.2866.J4600.13174.37642.49382.58062.53555.69789.69404. 76686.65240. 62004.96138.90481.71299.63591.134156.82846.53088.60005.52333. 29173.24348.'}1968 15186.12355.9763.7519.6387.5702. 5405.5140.4926.4793. 4653.4514. 4369. 4339.4282.4183. 4129.4035.4023.4012. 3991.3991.3976.3940.3867......2~67~__3922.•,-3.9.4.0.•.~-4·3J.-2T-49~'0 • 1..640-3·..·-·998-9.;-29'937~-7 rr6:r~'66 40 7•64885.92372 •88636.67323.75860. 74899.6~970.7011,1.56424.562fl6.46980. 43272.34676.27331.26008.I 17424.15099. 1969 11338.9770.7645.6914'.5716.4623.3892.3537.3132.2843.l2717.2585.2473-.2345.2296 ..2182.2161.2130.2088. 2082. 2108.'2077.2077.2084.2092.2121.2276.2568.'3330.4869. 7525.12463.20021.38337.26353. 28300.41006.49429.48172.45426. ../51040.46444.41005.38199.38765.20168.16366.~~_~~_?~_1-.§1~J2.!_._l54.59 • ____.__..129.8.6 •.124.7-5.·...,---_.,.•.__..._..,.,-_......••,.._,-.,',,'-"._--~....---..__.-.-_.....,.....--.--_._-.'",...._-~---~--.~..-._--~-_.'".__._-"-"..._._--_.- 1970 11740.11.3_4_8.---.9-4-7-4-,,~6-7-S·8·.-·-5-'7·9·0-.-4·5'9'5-.~:3'7-4-4~·375-.-3-0-87-.~29 39 • }2850.2829.2792. 2695.2636.2599. 2579.2564. 2550.2462. 2377.2368.2368.2382.2419.2419.2501.2719.3124.387n. 5620.12391.31697.34699.42949.39107.51237.42523.60532.60992. 56330.62455.60586.72477.63724.48233.55810.40138.36036. 31765.I26447.17198. 1971 16190.13622.112840.-..9541..9275.·.8669..7385.'6557-..5894.5450. 5111.4800.4401.3981.3626.3279.2932.2725.2619.2498. )2474 ..2408:~··.2378~··2364 •.2326 ..'2 38-0-~---·2428.2486.2667.2888. 3581.5450.8499.14261.23880.51272.94115.70113.105724.67869. 73570.75208.48933.58933.111293.88576.56895.44989.5'0071.34650.'( 25264.23696.J 1 "j Table E.2.2.12 (Page 4 of 5) 1972 16986.19300. 13377.10265.8478.7414.6736.6144.5664. 5258. 5073.4741.4615.4556. 4291.4269.4136.4136.3981. 3789. 3722. 3589. 3494.3349.3267.3207.3094.3085. 3083.3367. 6890.31208.30604.43564.77716.49249.77141.76258.57752.64368. 73525.58894.55743.58593.56133.52417.54877.35655.38121.51237. 32120.21045. 1973 15112.12043.16499.12065.8322.6791.5982.5255.4896.4783. 4349.4401.4065.3543.3361.3306.3209.3252.3161.3090. 3057.2855. 2601.2616.2488.2427.2301. 2476.2524.2995. 4201.8"627.28303.32643.35916.45603.74713.82.150.61144.54091. 55013.42076.44824.44994.51591.37825.59742.54057.34150.24306. 17546.13608. 1974 12505.9102.6700.5814.4871.4308.4153.3868.3805.3452. 3182.2895.2896.2723.2672.2599.2541.2519.2542.2502. 2463.2405.2389. 2290.2184.2162. 2132. 2170.2399.3372. 5845.13273.21516.44503.57360.39156.39336.40758.48381.48939. 55012. 53978.51181."47619.50529.44633.33265.49049.42016.24362. 21924.30550. 1975 14144.12886.7589.6290.5445.4691. 4373.4145.4260.3996. 3934.3994.3979.3856.3641.3441-3347.3443.3294.3081. 3012.2998.2856.2902."2928~284'5.2916.2927.3038.3601- 5316.10149.27584.42834.63847.71819.60748.74235.72396.69072. 80847.74257.59965.58069.70989.51926.40080.35119.31860.44500. 41632.36349. 1976 21330.19074.15485.9434.6982.5183.4405.3709.3496.3196. 3096.2946.2893.2848.2806."2677.2688."2667.2682.2967. 2845.2828. 2773.2553.2544.2561-2531.2730.3541-5010. 12263.34395.29057.31116.38560.65694.78734.55537.60624.56025. 60466. 62810.58821.59378.63217.56781.62128.34680.23750. 20236. 21055."23935. 1977 15213. 12668. 10437.9972.8122.7087.6333.5823.6915.6246. 5349.5131.4920. 4696. 4389.4067.3959.3646.3518.3361- 3475. 3358.3276.3219. 3172. 3170.3426.3295.3376.3489. 4320.7537.21572.34865.61347.87107.111840.92399.89321.61670. 67293.76319. 63978.62349.61984.61972.67468.38423.32239.37610. 36740.35613. 1978 21436.20366.16959.12879. 10596.8376.7179.6531-6198.5791- 5579.5376.5270.5201.4739.4585.4296.4039.3719.3532. 3395.3221.3216. 3175.3063.3200.3452.3377.3503.3989. 6769.20739. 28688.22552.25198.36637.52575.45217.54310.60360. 57994.62681.63169.62771.58740.53824.41760.31138.35008.28967. 21936.17876. Table E.2.2.12 (Page 5 of 5) 14605. 11352.10306.9631.10190.6813.6890.5471- 4435.4168.4095.3915.3796.3660.3597.3421. 3269.3230.3097.3193.3207. 3362.3569.5062. 21319.22436.37557.57698.52364.64839. 68573. 69152. 74906.71178.50916.44331.41509.31392.24977.26452. 15614.12936.10415.9464.7562.7405.7113.5740. 4085.4133.4272.4538.4707. 4621.4599.4078. 3369.3447.3401.3422. 3371. 3450. 3742.5455. 42857.34114.49114.452S7.43229.52300.60214.54143. 87043 ~..92029:82914.103657.77000.60971.44243.33757. 16214.18571.9929.-8414.7271.5771.4914.4429. 3657.3000.3500. 3500.3500.3514.3829.3214. 2700.2700. 2800.3386.3357.3300.3514.4529. 31000.35000.46400.65386.55857.63100.69257.51500. 78257. 67214.49800..±?_Q 43 ._.-l..8_5_0_0_._...4_0.121 .•~~3-7-8-2-9-.~4-1-9~-1. ----_...~---_._._..•_._._-----------_. 14814.12300.10443.9143.8214.7286.6786. 6214. 5729.6514.5443.4843. 4671. ·4600.4514.4943. 3829.3486. 3243. 3114.3157.3286.3900.5514. 40200.37000 ..49700.56386.45271.56800.63300.63443. 48071.52071.75200.64386.49200.53514.45200.27000. 1979 13298.12587. 4810. 4395. 3192.3072. 8793.18449. 71248.93255. 27205.26030. 1980 18773.22775. 4931.4784. 3344.3401. 8985.15510. 76877.76930. 41331.30314. 1981 21247.18703. 4662.1300 • 3620.3443. 14600.40714. 115700.97171~ 27857.24857. 1982 17214.16000. 4043.3914. 2814.2700. 6557.15914. 57886.59386. '7-61-5-"7-.-.4·6S71-;. 1983 26100.19400. 5929.5500. 4786. 4186. 9829.23214. 58943.47871. 21571.25057. 10669. 4262. 2899. 31505. 83639. 8195. 3911. 2964. 42264. 75231. 7956~ 4000. 2885. 69722. 67342. 7355. 3782. 2951. 59100. 61788. 5911. 3710. 2983. 53485. 50656. 5374. 3405. 3119. 50688. 38018. 5222. 3325. 3351. 64893. 22286. 5054. 3158. 4948. 68273. 22524.'. 1,-•.. '. .\ ] I 1 I I ( \ ,I J .j 'j I 1 ,-f 1/ Table E.2.2.13:FILLED WEEKLY FLOWS FOR SUSITNA RIVER AT SUSITNA STATION- 16371.12492.11094. 6712.6591.7008. 5589.6973.7508. 83279.~10786.103957. 79086.54075.54336. 16167. 15760. 11681. 7557.7490.7371. 5372.6047.8315. 93951.121038.113785. 94908.85757.101842. 12027.10900.11124. 9091.9128.8281. 7413.8292.12234. 94715.121856.123157". 90190.100554.77073. 19675. 7341. 5843. 76684. 98938. 12798. 14454. 14597.10704. 7721:6756.6000.5923. 4742.4220.4007.5117. 94858.102934.116650.113248. 83115.68168.64785.57035. 54159.38408.22362.22500. 8900.9423. 9079.8290. 6982.6657.5982.6058. 59851.64795.61916.76641. 84833.102666.107222.103076. 1950 43908.29117.22339.16780.13790. 12745.13566. 11247.8263.8486. 9512.7965.7384.6941.8078.8011.7411.7249.7571.6572. 5959.5974. 5500.5089.4808.4829. 4956.5264.5968.6501. 10176.52328.74936.74650.87927.102382.88419.117563.112285.105677. 123061.131695.153538.137306.134312.136557.109387.92125.67084.76127. 92561.97161. 1951 67519.66614.51920.35232.21703.16143.17412. 10884.8560.8026.7242.7042.8017.8225. 8407.7118.6926.6439.6118.6707.5943. 26871.67040. 67810. 67049.68214.102416.114406. 147370.128703.106340.113181.118847.100781.101177. 96463.71611. 1952 40531.36647.30195.21763.17999.15165. 11269. 10959.9987.7930. 7910.8045. 6114.6000.6059. 6021.5683. 5090. 5896.13923.32778.48173.72412.92360. 108657.117456.117715.122851.118012.109236. 57938.86464. 1953 49328.49154.34080.24900. 23341.23921.18098. 9569.11434.9717.9564.8249.8558.8561. 6367.6033.6099.5284. 5052. 5340.5141. 26008.38575.51333.75645.76106.84102.91417. 121106.123221.111921.136813.137032.123097.103946. 138830.100932. 1954 44768.49035. 12108.10587. 6609.6627. 33326.44419. 101063.91740. 72130.4"9700. 1955 30476.35842.28349. 27077.22645.18580.13163.11185.12573.9135. 9012. 9947.8719.9319.8374.7684. 7621. 7655. 7601.7054. 6876.6749.6740.6273.5476.6072.6355. 6163.6074.7523. 15327.27019.55208.75376.85170.107583.106433.117490.130427.149490. 163352.158321.154281.125396.130536.134104.107720.84051.75624.83242. 80872.90884. 1956 48071.53300.52957.41096.24436.18382.15316. 14069.12410.9802. 10818.9617.10554.9438.9078.8011.8111.8336.7949.7652. 7301.7156.6236.6186.5313. 5447.5933. 5262. 5482.6637. 12427.46829.54658.72000.93736.150597.165910.145252.138117.129368. 141350.139364.122908.126408.123754.113928.78886.62031.47315.57219. 78587.57761. 1 II Weekly flows start from Week 1 (Oct 1-7)to Week 52 (Sept.23-30) Table E.2.2.13 (Page 2 of 5) 17757.14453.1 7017.6449. '6441.6906.'j' 99058.102785. 44834.45239. I.j "~ 1 1 I ) I 1 ) ] ) l 14985. 7512. 5834. 84072. 65000. 22682. 7979. 5660. 78308. 82602. 133,55.9513.10001.7323. 7555.73~5.7143.6529. 5640.5436.6227.7617. 81643.100695.125612.1,19711. 98052.86150.58722.38338. 24224.25445.29117.29336. 8636.9478.9102.8298. 6577.7133.5655.5082. 41789.63809.63654. 75399. 90151.120563.111573.105419. 1957 31847.26644.21520.21679.19788.21126.18736.13097. 11604.8081. 7304.6742.7002. 7060.7262.7344.7281.7222.7549.6783. 7519.6286.5879.5858.5630.5703.5205.4824.5595.7579. 14093.30372.56280,.72205.109300.142279.128909.135763.112330.103394. 108496.108911.100897.107220.115034.125555.98941.82600.66069.72590. 65488.66847. 1958 34454.34575. 10406.8362~ 6706.6769. 10662. 18636. 103651.94873. 43506.38815. 1959 30324.28468.28666.27216.20259.18445. 7292~7962.8613.7239.7412.7370~ 5969.5176.5094.5159.5448.54?_~. 10839.-23743."62607;·80472~77267~l02149. 123872.129333.104259.101079.100347.77839. 35639.28438. 1960 29030.29992.22826. 20245.18005.19834. 13803.11658.12502.8555. 9890. 9129.8985.9366.8706. 8118.7998.8041.7917.8103. 8623.9018.8994.7965.7634.7894.7273.6739.8026.9918. 33264.68046.82120.83644.94576 •.96641.862~U.I009-1-6-.115642~"J.~271G.3.. ______o'c~119_182-.~1:239~~l.1~708'00~1990o-0i:rT67T9.18901D 34 5 94 •102503.72426.97975. 89392.106901. 1961 51705.37725.30760.22525.12674.15537;13448.12813.13506.11712. 1114~:9481.9280.9857.8413.8727.8816.8876.9082.9591. 9900.9229.8255,.,7767.8185.7838.8906.8146.8667.10228. 28174.64817.84075.80654.82125.97265.115730.122123.128578.113007. 122769.130393.128479.122641.137169.118560.111599.82123.64822.90463. 77763.79348.................."........, 1962 64 718_.__408-'6.--.31859 .•--3-38~-7-.24'7~7'6--;---2-19-aS;-T8 6-~rO':-16 2 Ef2-:-'T66 -i8-~-i 2216 •--··-----·-·-IO!5'34:•9057 .9_3_3J_.92J.-l-.--840-s-.--8-5·8-7-.--8-4-8<4-;;---8Z9-3-.---8if3-7-'---S.3 68 • 7739.7411.7009.6872.6719.7516.7468.7867.9323.9969. 20540.20943.52888.69509.85063.95796.127575.125847.131419.137590. 152287.161963.180678.156414.118110.116761.107602.107025.81625.66023. 59088.58142. 1963 31178.24348.22517.23222.14519.14850.1015.2.8855.8775.8723. 9478.9908.9891 ..9165.8465. 8262.7996-.7351 ..725§;7176. 6739~'68'7Ef~6402.6401;6153.59.5.5 •.5799.5160.SO-!§_,,__5639. 8114:;::20583;68327:8001-4~~104264.10909'l';8598Z:1062I2 .116103 .129122. 159300.181969.129193.115417.104871.104118.106673.84471.74285.71029. 65091.62852. Table E.2.2.13 (Page 3 of 5) 12096.11869.12270.9531. 6972.6348.6707.6704. 6492. 6418.7708.8732. 95667.111748.144774.141831. 88214.67337.68851.71238. 13199.10256.8739.7845.8127. 8710.7957.6723. 6440.7669.7539. 7392.7265. 7192. 6740.6363. 6163.5856.6065.5738.5601. 5558.7898.12362. 90010.96604.118465.111209.115110.129307.125301.118350 • 98684.108171.119823.75329.55311.53616.42702.39700. 6577. 6803. 4999. 93337. 81832. 10652. 7653. 6368. 96537. 95732 .. 8270 .. 7046. 4789. 96355. 91006. 10456. 6962. 5467. 78571. 90987. i 1964 45462.35505.29943.20584.16084.13974.11861.7797.7459.6526. \6482. 6298.7156.7779.8184.8181.a309.7391. 7015.7044. 6671.6351.5710. 5167.5194.4924.5112.5080.5127.6099. 6234.14734.30130.44551.68378.137927.113154.130444.136860.108425. 128782.127186.108428.112640.107884.99618.102640.71642.48036.39700. 38225.41221. 1965 27938.39213.28555.25368.16716.15455. \1'9358.8864.8624.7969. 7709. 7629. 6468. 6072. 6017.5961.6140.6182. 21489.28716.64135.77287.106588.117383. I '160970.156289.115332.130948.111939.112918. 87068.116064. 1966 57970.40881.39942.41295.31083.22967.19259.17231. 13962. 8190. 8980.8175.7800.8050.7971.8213.7994.8129. 7955.6656.6576. 6268.6494.6687. 6061.6495.6720. 5864.11178.38232.58985.55947.109891.110815.101072.113252. 112446.115419.139262.132561.150971.135464.134475.109027.86444. II 140034.101196.. ,1967 67409.49468.31774.22638.14014.91~5.9216. 6941.5927.5955.5486.6070. 6639.6798. 6488.5990.5783.6142.5706.5750.5864. 3840.10176.33517.47849.46019.63949.64423. 106370.119743.118396.115583.123717.156327.110053. 61336.64114. 11968 43859.46190.31570.23508.19013.16007.10823.13318.12816.10849. 9223.8552.7997.8672. 8650.8700.8864. 8581.9108.8985. 8287.8116.7662.7150.7596.7946.7219.7968.10356. 17849. 43558.85592.84823.98473.128513.137609.171711.144743.123692.138546. 147356.121545.130967.111105.109034.89516.93243.70645.51645.44064. 34763.29829. 1969 18546.13933. 5787.5527. 6501.6367. .28629.80229. 125735.119527. 36440.34604. 1970 27602.39243.32700.16002. 15066.10141.9107.7637.7819.5734. 5730.5460. 5422.6288.6716.6967.6679.6880.7034.6579. 6491.6482.6328.6063.6009.5872.6121.6248.7045.9171. 23597.42622.79017.90576.110752.114644.108046.115467.137293.149123. 133578.138792.148283.147761.124733.118872.109683.85764.73957.61226. 54377.39042. Table E.2.2.13 (P age 4 of 5) 1 .J I 'I j ,j I 1 ; 1 .I ) I I .J 1 I I 8582. 8176. 11310. 92659. 55601. 10302. 10500. 8005.7654 .. 6770.7370. 76000.101992. 86761.75215. 10291. 8087. 6781 .. 63457. 76353 .. 13702. 8188. 6997. 82818. 89718. 16811. 8300. 6992. 92780 .. 96909. 25442.19223.14392.10877~10650.10434. 7543..7000..6736.6546.6590.6392. 5142.5247.5535.-4801.4586~5932. 61209.78992.87819.135321.129443.115819. 99601.77736 ..98525 ..'86027,;-62687.;-63975. 17985. 8881. 7314. 78285. 91090. 28931. 7967. 5320. 63104 .. 92223. 35958. 7894. 5194. 58830. 94781. 1971 24958.21122.19282.17057.15726.13688. 13383.11047. 10605.9120. 8678.8~85.8015.8053.8243.8366.7908.7311.6857.6062. 5833.6029.5569.5240.5138.4865.5200.5524.5344.6230. 6941.16084.38446.63738.73277.105818.117307.119056.182134.161398. 161463.148971.102895.105224.147290.131674.96995.87347.92284.64742. 58972.53853. 1972 29710.33996.22152.17829.12583.12306.10498.8666.8618.7595. 7079.8362. 8265.8424.9466.8379.8446.7971.8571.7594. 7287.6399.6378.5745.6029. 6520.6775. 6698. 6836.6552. 14483.47584.53202.68593.111795.113148.116944.118835.121664.124905. 1-47462.118639.115735.123117.115921.102627.99551.75340.68338.71842. 64769.41482. 1973 21506.14672. 9534.8676. 6105.6013. 5533.17690. 10272~.87018. 61009.56062. 1974 39089.31808.23485. 7611.7869.8513. 8186.7938.8219. 35106.74190.57603. 91189.89850.96956. 44260.48981.__..._ T975--21fS7T:--2557i.17143.13286. 11143.11000.10143. 10000.10000.9786. 9500.9286.9000.90do.8786.8500.8500.8000.8000.8000. 7500.7500.7000.7000.7000.7000.6786.6500.6500.7286. 9214.14571.34429.78029.112500.129429.110286.135429.140857.1.42.857. 153429.137857.118429.;110143.99571.98300.84614.67986.61700.89157. 94271.80457. 1976 45443.33800.31614.21429.16000.12286.9357.7643.6429.6000. 6000. 6000. 6000.6343.6571 •.._9J~0J2-.----640-0_._---6.229-.---6000-.----.560Q.·. ----------·53.,1-~---5-200-;.---534r3~----5-ArOO:---5400:-5400.5400.5400.5714._9_0.0.0_. ---4-6-l·4-3.-9-aOa-e;;-6-S5-r-4-;;-6Z7r4--;-6-Z7-29.92829 .121529 .111571 .114057 .125857 • 120429.•116571.106671.111343.118571.102657.90243.67700.42371.38714. 52857.67943. 1977 32900.29857.30000. 30429.22000.18857. 19286. 17143. 15571. 14571. 13429.12286. 11714. 11571.10143.9571.9500.9929.9357.8643. 8786.7786.7143. 6643.6500.6500.6143.6000.6000.6571 • .-8241.1814-3 ,i561:57 .88457 ,;118829 ..158T43~173000 ~17.2286.168571..149143 • 142286 ~150143.134857.136143..133429.134000.134429.8~lOQ.73657.,;97629. 84771.92643. I Table E.2.2.13 (P age 5 of 5) 10057.20171.7914. 6800.6800.6800. 6457.6800.7714. 93529.112571.115143. 70643. 72129.66700. 15143.13714.12286.11000. 7800.7600. 7686.8600. 6543.6443. 6886.9257. 77143.106571.122143.117714. 89814.84929.73629.49714. 12571. 7000. 6429. 95271. 93371. 22286.18857.16857. 10000.8486.7857. 7057.6771.6600. 68714.87286.107857. 95200.145143.113457. 28829. 8914. 7600. 80286. 90614. 1978 56729.46714.33429.24000.18429.15286. 7486.7343.7200. 7029.7000.7000. 6800.6600.6600.6600. 6600. 6557. 13029.44286.59714. 56871.63029.69714. 118857.117857.117286.124000.120143.105014. 51814.37700.' 1979 31000.45143. 42000.32000.26571.19714. 13429.10286.9857.9500. 9500.9214.9000.9000.9000. 9000.8500.8500.8143.8000. 7714.7429. 7000.7000. 7000. 7000.6500.6786.8143.11357. 22714.67143.88214.94371.125571.125000.116286.104857.133000.129143. 136143.151286.155429.137571.138286.143714.124143.94457.58329.55400. 92114.114229. 1980 65943.83900.55914.38229. 39214.38829.36929.22286.19286. 17357. 15286.13186.12071.11286.10429.9929.9500.9357. 9186.9043. 8871. 8800.8857.9129.8700.8986.9629.10357.12000. 14571. 23714.55629.67929.77014.109586.138143.141571.151286.147429.161143. 'I 189857.190571.174857.172143.137714.131571.118714.99286.84429.83571. 107714 ..102143. 1981 42571.40143.33543.27486.22557.19714.14143.14143.13714.10429. 8429.7286.6929.6857.7429.8071.8143.8571.8857.7571. 6714.6071.6000.6000;6214. 6571. 7214.8000.9143.13429. 39857.85714.92857.86171.105971.99400.94129.116714.120857.102600. .152900.188857.171286.165714.162714.206714.133857.115571.97457.69414. I 56100.48186. 1982 30457.27586.31114.48527.25657.21286.17571.14343.13000.12286. 12000.11429.11000.10286.9286.8857.8500.'8071.7571.7071. 7000. 6500.5857. 5500. 5000. 5000. 5000. 5071.5714.6786. 9714.27000.55100.'61329.70271.103457.103629.108257.126000.101486. 102729.107000.138143.131000.104571.93929.81286.80857. 82857.94143. 174571.104857. 1983 54957.36271. 9943.9086. 9229.8429. 19786.54829. 111714.99271. 42171.46829. [ TABLE E.2.2.14:\FILLED STREAMFLOW SUMMARY (cfs)(Page I of 2) l , I 1 Devil Goldi Station Denali Cantwell ~a~ana Canyon Creek Sunshine Susitna Maclaren Chulitna Talkeetna Skwentna I , Oct Max 2,165 5,472 6,632 7,518 8,212 20,837 58,640 734 8,062 4,891 7,254 Min 528 1,638 2,403 2,867 3,124 8,176 13,476 249 2,380 1,451 1,929 Mean 1,165 3,149 4,567 5,363 ~,825 13,799 32,777 41~4,850 2,683 4,329 Nov Max 878 2,487 3,525 3,955 4,192 8,795 31,590 370 3,213 1,721 4,195 Min 192 780 ]),021 1,146 1,215 4,020 8,251 95 1,480 765 678 Mean 500 1,460 ~,064 2,402 ~,589 6,185 15,063 182 2,155 1,223 1,867 I Dec Max 575 1,658 2,259 2,905 3,264 6,547 14,690 246 2,100 1,203 2,871 Min 146 543 :709 810 866 2,675 5,753 49 1,000 556 624 Mean 315 951 li,453 1,703 1,844 4,426 9,267 117 1,564 871 1,295 Jan Max 651 1,694 I 2,212 2,452 5,216 10,120 162 1,681 940 2,8291:,858 Min 85 437 ;619 687 724 2,228 6,365 44 974 459 600 Mean 248 850 li,125 1.,429 1,543 3,674 8,Il2 99 1,330 693 1,068 Feb Max 422 1,200 11,610 1,858 2,028 4,664 9,413 140 1,414 777 1,821 Min 64 426 1602 682 723 2,095 5,614 42 820 392 490 Mean 206 706 11,035 1,216 1,317 3,115 7,383 81 1,115 548 911 Mar Max 290 1,273 Ii,560 1,779 1',900 3,920 8,906 121 1,354 743 1,352 Min 42 408 i 575 644 713 1,972 5,271 36 770 285 522 Mean 192 659 !936 1,085 11,169 2,786 6,412 74 1,017 485 826 I I Z,650 13,029 145 1,883 1,075 2,138ApI.'Max 415 1,702 11,965 2,405 5,228 Min 43 465 1609 697 745 2,233 4,613 50 700 385 607 Mean 231 835 11,158 1,340 11,441 3,585 7,684 86 1,264 605 1,088 May Max 4,259 13,751 l5i,973 19,777 211,890 43,121 88,470 2,131 21,902 8,840 22,370 Min 629 1,915 2i,857 3,428 3,745 10,799 28,713 208 2,355 2,140 1,635 Mean 2,306 7,473 10,625 12,462 13,,483 27,674 56,770 832 8,862 4,294 8,555 June Max 12,210 34,630 421,842 47,814.50,,580 116,152 165,900 4,297 40,330 19,040 40,356 Min 4,647 9,909 B,233 14,710 15i,500 40,702 73,838 1,751 15,297 5,207 10,650 Mean 7,532 17,567 22\,980 26,043 27\,795 63,268 112,256 2,888 22,173 1l,085 18,462 July Max 12,1l0 22,790 28i,767 32,388 34:,400 85,600 181,400 4,649 35,570 17,079 28,620 Min 6,756 12,220 14,,843 15,651 16:,100 45,226 92,511 2,441 20,781 7,080 1l,670 Mean 9,688 16,873 20:,747 23,075 241,390 64,143 126,590 3,241 26,875 10,748 16,997 I i '--_._._-!- ._-~L-.-.., >----- ~-------.---------._~-----------,------~._----~_.---~-,---------' T BLE E.2.2.14 (Page 2 of 2) Devil Gold station Denali Cantwell Watana Canyon Creek Sunshine Susitna Maclaren Chulitna Talkeetna Skwentna ug Max 12,010 22,760 30,542 35,256 37,870 84,940 159,600 4,122 33,670 16,770 20,590 Min 3,919 6,597 7,772 8,484 8,879 25,092 80,891 974 11,300 3,787 7,471 Mean 8,431 14,614 18,366 20,654 21,911 56,148 109,084 2,644 22,896 9,596 13,335 pep Max 6,955 12,910 17,206 19,799 21,240 54,110 107,700 2,439 22,260 10,610 13,371 Min 1,194 3,376 4,260 4,796 5,093 14,320 37,592 470 6,704 2,070 3,783 Mean 3,334 7,969 10,878 12,555 13,493 32,867 67,721 1,167 12,391 5,779 8,371 ~nn Max 3,651 7,962 9,985 11,254 11,961 28,262 63,159 1,276 11,419 5,400 10,024 Min 2,127 4,159 4,912 5,352 5,596 14,431 38,030 693 -6,1l0 2,249 4,939 Mean 2,085 6,184 8,046 9,159 9,785 23,607 46,891 998 8,931 4,073 6,622 t\otes:1.Based on 33 full water years (1951-1983)used in reservoir operation simulations. 2.Gold Creek data are not filled since records are available for complete period. 3.for manner of computing discharges see the report "Weekly flow Duration Curves and Observed and filled Weekly flows (H-E 1984b). TABLE E.2.2.15:CHULITNA NATURAL!MbNTHLY FLOWS (CFSI) iII -I-, YEAR OCT NOV DEC lJAN FEB MAR!!APR MAY JUN JUL AUG SEP ANNUAL i 3~04 I 1951 11662 4108 3320 2764 20731 4027 25708 49797 61254 48748 41369 21620 1 ,1952 13482 7166 5262 3977 2516 2379 1 2709 15437 78934 71:348 57108 37239 24906 1953 20837 7485 4144 I :63783 38821300923072192!5992 41136 51688 49175 24268 I '1954 12112 4856 3784 305 2635 22361,3217 28644 55325 55478 64762 31897 22489 6848 , 1955 12234 4726 4045 2876 2532 3271 17597 62202 73276 57382 39366 23990 I 74386 52663195613616496737552943 2626 2561 2614 31524 71745 42412 25602 1957 12654 6634 4842 5263 3463 3109 3278 26323 66996 62068 54642 35743 23785 15861 I 61148 66295 27982 2589219588775654741083160329147244312163535 I195914545584936863~72 3051 2621 3878 32473 50801 60465 75849 35284 24519 1960 14687 6782 4995 4@41 3226 2723 3265 33427 41489 57231 58641 41521 22822 1961 16906 6609 5753 4953 3719 3606 5528 31179 60208 61913 57701 35124 24577 1962 15013 6952 4883 4135 3279 2951 3865 25780 79285 66923 55675 33867 25334 1963 12699 5732 4732 3965 3346 2337 2233 34823 5448'2 81032 50940 28823 23940 !:62552 45898 23957 2494919641643957203307274223581972249615169116152 1965 15480 7587 4634 3397 2994 2341 3564 25221 58188 65597 56359 54110 25114 I 1966 18209 5441 3997 34191 '3038 2892 3727 16690 69595 55885 61717 30568 23047 I1967115824342'3886 3~08!3310 2829 2740 32732 66739 77772 82835 40470 27936 1968 10739 5464 4597 4i 04!4009 3920 4427 36838 77511 69779 47063 21190 24277 1969 8607 4096 2675 2228\2095 2092 3545 21456 40702 45226 25092 14320 14431 4020 I , 1970 9439 2863 26171 2460 2394 3225 25624 47990 61289 55003 27342 20499 1971 12332 7495 4971 3~431 2534 2367 2682 1079'9 76544 65673 74291 32756 24773 1972 14353 6~10 4958 4282'3829 3354 3406 37441 65941 62693 51364 34371 24534 1973 13387 6132 4404 33,35 1 3083 2564 2683 22181 63903 48613 49949 22711 20347 1974 8176 4160 3139 2S,15!2490 2271 2740 28099 42938 51827 44637 29364 18656 1975 9764 45,18 3990 35146!3144 2894 3267 29348 69403 69781 51095 37183 24115 4516 I I197615426305727:40,2813 2629 4040 29551 63375 59516 55499 21917 22242 1977 11690 67!~6 5485 41183\3459 3224 3458 25037 92912 66834 58707 34461 26448 1978 17202 75,99 5539 45;03 1 3554 3169 3793 21409 45719 61217 48974 25255 20811 1979 10875 6280 4645 37~11 3222 2939 3946 33487 57887 78729 57662 24144 24148 1980 15240 8737 5010 39¥.5'3469 3217 4146 20889 59314 74148 46141 29764 23050 1981 16476 8275 4834 44491 4061 3413 4711 36160 50890 85600 84940 32460 28262 1982 16450 7030 4035 35PO:3229 2877 3803 26560 62820 63030 45590 48830 24077 1983 16180 6300 5613 52[6\4664 3481 4197 31390 58100 55380 60580 30010 23567 i in MAX 20837 8775 6547 52!l6 4664 3920 5528 43121 116152 85600 84940 54110 28262 8176 IMIN402026752228 2095 1972 2233 10799 40702 45226 25092 14320 14431 IMEAN13799618544263674 3115 2786 3585 27674 63268 54143 56148 32867 23607 :_'~'~' , ~.-'--'~-~~------'-'~--~ ~. --..•_------_.__..... ------.-'--"----~.~.,.'-----_.----'.--'_.---'-'"----- TABLE E.2.2.16:SUSITNA STATION NATURAL MONTHLY FLOWS (CFS) YEAR OC r NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP ANNUAL 1951 520 )8 15346 9652 7832 8445 6603 9697 60926 105673 125114 104500 83670 49413 1952 309 )2 14730 10889 7753 6090 5741 4613 34054 99748 115100 99128 64391 41330 1953 378 5 19316 10900 8555 6979 5501 7538 53853 96192 11.9376 118233 102881 49190 1954 442 8 18724 10749 8270 6718 6440 8268 53538 85185 96102 98382 56359 41353 1955 296 ~2 15131 9424 8138 7167 6197 7115 51797 113462 153364 116529 79947 50136 1956 464 ~3 16472 10316 8593 7641 5927 6268 56298 146220 132586 99800 58274 49839 1957 248 77 16930 7554 7241 7135 5818 6354 55773 128452 105598 106490 65985 45055 1958 296 71 22476 10903 8535 6815 6175 6507 40039 82839 100062 94788 43686 38030 1959 278 55 14008 7922 7399 6442 5271 6537 51880 100841 117531 92093 40470 40122 1960 248 36 15053 9364 8455 8311 8209 9674 73415 99624 141423 158494 92542 54492 1961 334 53 13694 10588 8914 9413 8129 10266 69623 113671 123563 114665 78275 49802 1962 410 72 19353 10660 8606 8083 7066 9449 49400 117820 157964 118230 65372 51422 1963 242 71 11298 9436 8296 7063 6291 5584 56270 104341 146559 102520 66576 46013 1964 312 49 11235 6707 8031 6882 5356 5413 32225 125517 117667 98432 41397 41066 1965 28 c 57 13472 9263 7399 6517 6075 8281 59076 116673 142381 100623 82329 48691 1966 43 43 20441 9281 8014 7742 6521 6363 34417 105237 117527 133251 102429 49825 1967 40(34 9973 6446 6365 6686 5859 5184 29713 73838 110054 120611 72634 40813 1968 34t 11 14039 9376 8705 8674 7640 13029 88470 143377 132330 93898 39758 49794 1969 13l 76 8251 6288 7437 7581 5995 9240 83980 120114 114858 80891 37592 41482 1970 27 49 9585 5753 6703 6689 6108 8243 69589 118322 142959 115440 56199 48096 1971 20 33 12759 8734 8038 6333 5283 5666 39644 127225 139960 115377 65877 46508 1972 24 31 10457 7896 8596 7631 6190 7233 58614 117258 126346 102305 60012 45026 1973 25 84 15549 9195 7194 6334 5302 5235 42293 104781 99326 90842 59739 39449 1974 27 00 11997 8321 8301 7996 7434 9861 68225 81914 92511 87929 55172 39133 1975 19 20 10400 9419 8597 7804 7048 6867 47540 128800 135700 91360 77740 46103 1976 31 50 9933 6000 6529 5614 5368 7253 70460 107000 115200 99650 48910 43089 1977 30 40 18270 13100 10100 8911 6774 6233 56180 165900 143900 125500 83810 55979 1978 38 t>30 12630 7529 6974 6771 6590 7033 48670 90930 117600 102100 55500 42002 1979 36 810 15000 9306 8823 7946 7032 8683 81260 119900 142500 128200 74340 53677 1980 58 ~40 31590 14690 10120 9017 8906 12030 66580 142900 181400 126400 91200 63159 1981 34 no 16200 8416 7774 7589 6177 10350 83580 108700 152800 159600 67170 55729 1982 33 ~OO 17570 11740 9032 7214 5435 5817 44940 108100 114800 94630 109700 47086 1983 34 bl0 15200 9890 8368 8421 7123 7681 62090 103900 103300 107900 54870 43831 MAX 586 40 31590 14690 10120 9413 8906 13029 88470 165900 181400 1596700 109700 63159 MIN 134 76 8251 5753 6365 5614 5271 4613 28713 73838 92511 80981 37592 38030 MEAN 3~777 15063 9267 8112 7383 6412 7684 56770 112256 126590 109084 67721 46871 TABLE E.2•2•17 :CHULITNA NATURl\.L MONTHLY FLOWS I (CFS) YEAR OCT NOV DEC I JAN 1 ' FEB MARI- i APR MAY JUN JUL AUG SEP ANNUAL 1951 5520 1952 4585 1953 7093 1954 3647 1955 3726 1956 5797 1957 4520 1958 4279 1959 5495 1960 4723 1961 5135 1962 5777 1963 3506 1964 8062 1965 5642 1966 6071 1967 4682 1968 3483 1969 2898 1970 4578 1971 3826 1972 5439 1973 4532 1974 2380 1975 3730 1976 4344 1977 5588 1978 5829 1979 3985 1980 5068 1981 5771 1982 4328 1983 5499 1845 2653 2182 1780 2456 1962 2168 2745 1885 2283 1950 2400 1500 2300 2900 1620 168a 1550 :1480 i1887 '2210 :2156 12272 :1535 :1681 '1544 2732 2680 2371 2513 3213 2253: 2513: 1442 2048 1252 1488 1790 1672 1553 1892 1217 1700 1745 1500. 1550 1000 2100 1350 1500 1397 1139 1316 1403 1432 1903 1250 1480 1313 1840 1905 1878 1539 2016 1219 1853 1~25 1531 I 1~53 1234 i]~: 15.24 1271 d48 14t48 1114[.52 13:00 116:00 110t07 ,16 pO 112PO 14\58 12135 I 974 1200 I 1113 I11174~272 11012I '!I218I. 1154Iiil.518I , 1681Ii 1506II 1256 I1623 I1031 I 15~3 1 : I I 1347 946 998 1151 900 1110 11298 1179 1040 1103 1100 1000 1300 820 1400 1100 1257 1200 900 1154 950 1041 1142 1070 984 1293 1183 1189 1179 1138 1414 873 1039 907 1048 945 1027 877 10~0 1258 1354 1005 933 1079 9~0 846 no 1300 110,0 104!5 114',8 824 110,0 934 939 894 989 891 1170 1107 975 1065 101i 1171 789 1050 1637 1297 1790 1037 1291 962 1225 1883 1612 1000 1600 1170 700 1133 1400 1300 972 1367 1333 1437 982 893 970 1065 1002 1766 1098 1326 1580 1215 1440 1072 1248 8618 6149 12915 8024 5220 8792 6532 21902 10637 13890 10100 7743 11060 2355 7452 4104 12400 10940 6001 9643 4468 9765 9281 5700 8634 12304 6680 5833 19012 9142 9972 6289 8968 21811 25778 21957 21882 19686 26033 24058 23842 16829 17390 20490 20620 17750 40330 20070 21740 25520 29000 18560 19670 22180 17900 21892 15297 22002 26702 34262 17829 19176 22490 22420 18360 18890 28456 ;25851 29781 24996 30087 27694 27901 27603 23308 23650 27420 27220 28950 24430 23230 23750 35570 30140 20820 26100 27280 25770 21193 23513 27826 29225 32175 27427 32677 34950 29860 25610 22320 18755 22187 18815 24776 '19946 19801 23028 33321 26434 19320 24580 21980 18390 20250 22550 27720 33670 20710 11300 24660 23810 29070 18204 19221 19767 23718 29877 23962 27338 20780 33170 20360 22190 13272 16003 14033 9129 15713 18904 9451 14680 9836 12420 16030 13490 11330 9235 22260 12200 12510 7375 6704 11330 11080 12120 8889 11821 11907 11419 15098 12499 8777 8240 11960 18240 10960 8813 9216 8701 8272 8643 9637 8765 11419 8448 8382 9451 8817 8268 9334 9365 8660 11112 9195 6110 8736 8406 8360 7749 7117 8480 9733 11154 8656 9453 9183 10415 8455 8231 MAX MIN MEAN 8062 2380 4850 3213 1480 2155 2100 1000 1564 I '1681 1 97!4 1330 1414 820 1115 1354 776 1017 1883 700 t264 21902 2355 8862 ---L- 40330 15297 22173 35570 20781 26875 33670 11300 22896 22260 6704 12391 11419 6110 8931 --- --------------•._-~--_..---'_..--._--._~.~--~-"---- T BLE E.2.2.18:TALKEETNA NATURAL MONTHLY FLOWS (CFS) Y~AR OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP ANNUAL 1~51 1922 823 669 617 502 354 458 2140 5768 8445 8336 6229 3039 1952 2839 1601 1132 740 459 366 385 3230 18352 17079 11408 6916 5400 1~53 4891 1576 1026 656 396 355 906 8037 12656 8886 8316 8686 4721 1954 2477 823 659 548 392 344 497 2695 7228 8029 13134 8287 3773 1955 2825 1330 800 629 489 456 516 2657 10591 13501 9979 8378 4368 1956 2471 908 651 553 461 455 512 4237 12465 10663 6506 4478 3713 j 957 1984 1148 971 904 558 533 598 5214 10683 8788 9281 5902 3900 958 2886 1721 1203 747 565 681 1075 6601 12306 8022 8998 5430 4206 959 3812 1599 819 747 617 539 799 5096 8752 10082 15910 7638 4734 960 3019 1369 911 673 542 497 460 3958 6255 9476 13289 7205 4001 961 3488 1361 1147 940 698 580 722 3243 ~097 7837 9280 4525 3522 962 2958 1541 1083 827 639 515 650 4223 13398 11553 8434 3454 4128 963 2180 1146 1005 647 463 369 443 4417·8282 15033 7479 3193 3753 964 1520 881 675 599 500 413 525 4364 17080 9820 8395 3815 4061 965 3115 1568 1100 720 620 540 580 3474 11090 12180 11150 10610 4749 966 4438 1460 876 711 526 395 422 2410 12970 10100 10730 5370 4222 967 2388 897 750 637 546 471 427 4112 9286 12600 14160 6971 4470 ~968 2029 1253 987 851 777 743 983 8840 14100 11230 7546 4120 4478 1969 1637 827 556 459 401 380 519 3869 5207 7080 3787 2070 2249 1970 1450 765 587 504 458 440 545 3950 7979 10320 8752 5993 3500 1971 2817 1647 1103 679 458 402 503 2145 19040 11760 16770 5990 5299 1972 2632 1310 845 727 628 481 519 3516 12700 12030 9576 8709 4490 1973 3630 1373 889 748 654 574 577 3860 12210 7676 9927 3861 3850 1974 1807 960 745 645 559 482 535 4578 8030 7755 7704 4763 3325 1975 1967 1002 774 694 586 508 522 4084 13180 12070 8484 7960 4335 1976 2884 773 558 524 480 470 613 3439 10580 9026 8088 3205 3406 1977 1857 1105 1069 700 549 506 548 4244 18280 9344 8005 5963 4355 1978 3268 1121 860 746 576 485 534 2950 7429 10790 7001 3567 3301 1979 1660 1138 932 762 652 577 710 7790 12010 14440 8274 4039 4449 1980 3379 1718 868 808 741 700 1038 4823 11380 13900 7224 5402 4355 1981 2600 1144 717 652 535 545 671 4529 6589 15410 14680 4384 4416 1982 2346 1236 708 650 467 285 480 3313 12940 11070 7271 9555 4204 1983 3351 1243 1082 836 580 565 669 4551 9013 8703 8803 3944 3635 MAX 4891 1721 1203 940 777 743 1075 8840 19040 17079 16770 10610 5400 MIN 1450 765 556 459 392 285 385 2140 5207 7080 3787 2070 2249 MEAN 2683 1223 871 693 548 485 605 4294 11085 10748 9596 5779 4073 TABLE E.2.2.19:INSTANTANEOUS PEAK FLOWS OF RECORD Maclaren Denali Cantwell Gold Creek Flows Flows Flows Flows Date (cis)Date (cfs)Date (ds)Date (ds) 8/11/71 9,260 8/10/71 38,200 8/10/71 55,0002 6/7/64 90,700 9/13/60 8,920 8/14-15/67 28,200.6/8/64 51,200 8/10/71 87,400 8/14/67 7,460 7/28/80 24,300 6/15/623 46,800 6/17/72 82,600 7/18/63 7,300 8/4/76 22,100 6/17/72 44,700 6/15/62 80,600 6/16/72 7,070 8/9/81 23,200 8/14/67 38,800 8/15/67 80,200 8/10/81 6,650 7/12/75 21,70.0 7/18/63 32,0004 7/12/81 64,900 6/14/62 6,540 7/27/68 19,000 8/14/81 30,900 6/6/66 63,600 8/5/61 6,540 8/25/59 62,300 Source:USGS Notes:1 Maximum daily flow from preiiminary USGS data. 2 Estimated maximum dai ly flow based on discharge Creek. o •.].Ap.p.r.oximate ..date.~.. 4 Maximum daily flow. records at Denali and Gold 1 i ,j l .J 1 l I I ! 1 l i I J TABLE E.2.2.20:FLOOD PEAKS FREQUENCY AT WATANA AND PEVIL CANYON Flood Peaks (cfs) Watana Devil Canyon Retlurn Period Annual May-June July-Sept Annu?l May-June July-Sept (Year)(1)(2)(1)(2) 2 47,600 43,500 39,000 34,200 50,400 46,000 41,300 36,300 5 64,200 57,400 51,500 45,700 68,000 60,800 54,500 48,300 10 77,500 67,000 60,800 54,500 82,100 71,000 64,400 57,700 25 95,400 79,800 73,800 67,200 101,000 84,500 78,200 71,100 50 110,000 89,500 84,400 77,800 117,000 94,800 89,400 82,400 ~/I Corresponding to 95 percent one-sided upper confidence limit. ~/I Mean estimate from the flood frequency curve,the flood frequency relationships are not extended over the return period of 50 years. TABLE E.2.2.21:FLOOD VOLUMEll FREQUENCY AT WATANA AND DEVIL CANYON Watana Annual May-June July-September Return Period 3-day 7-day 15-day 3-day 7-day 15-day 3-day 7-day 15-day (Year)(mean discharge cfs) 2 36,028 32,297 28,529 32,188 29,114 26,036 28,013 25,766 23,840 5 47,062 41,182 35,004 42,242 37,701 32,968 3.6,783 32,521 28,728 10 54,485 46 ,910 39,049 49,592 43,813 37,432 43,547 37,379 31,795 25 64,027 54,015 43,950 59,732 52,043 42,969 53,233 43,970 35,530 50 71,251 59,233 47,478 67,900 58,553 47,034 61,341 49,210 38,227 Devil Canyon Annual May-June July-September Return Period 3-day 7-day 15-day 3-day 7-day 15-day 3-day 7-day 15-day (Year)(mean discharge cfs) 2 40,410 36,225 31,998 36,103 32,655 29,202 31,420 28,900 26,740 5 52,786 46,191 39,261 47,380 42,287 36,978 41,257 36,476 32,222 10 61,112 52,616 43,798 55,624 49,142 41,985 48,843 41,925 35,662 25 71,814 60,584 49,295 66,996 58,373 48,195 59,707 49,318 39,852 50 79,917 66,437 53,252 76,158 65,674 52,754 68,802 55,195 42,876 .._._--~---l./-Vo-l;ume-=-mEn:in--d-i s cnarge intne taole times the respective duration. TABLE E.2.2.22:COMPARISON OF SUSITNA REGIONAL FLOOD PEAK ESTIMATES WITH USGS METHODS FOR GOLD CREEK Station Location Return Period (Yrs.) Singl ell Station Estimate (ds) Susi tna Regional Estimate (cfs) USGs6.1 Area II Regional Estimate (cfs) .uSGsll Cook Inlet Regional Estimate (cfs) Susitna River at Gold Creek 1.25 37,500 37,700 48,700 2 48,000 49,000 59,200 43,800 5 63,300 64,200 73,000 53,400 10 73,700 74,500 83,400.55,300 50 97,700 100,000 104,000 .71,600 100 108,000 110,000 115,000 II Based on Log Pearson Type III distribution (USWRC 1981) 11 Lamke,R.D.,1970. 11 Freethey,G.W.,and D.R.Scully,1980. Source:R&M 1981f TABLE E.2 .2.23:REC 2 WATER SURFACE ELEVATIONS (fee t) Deadman Creek to Devil Creek for Select Watana Flows 30700 cfs 42200 cfs 46400 cfsRiverMile8100cfs17200cfs26700cfs 162.1 1211.2 1213 .5 1215.7 167.0 1276.3 1278.7 1279.9 173.1 1330.8 1333.0 1334.9 174.0 1340.0 1342.8 1344.2 176.0 1363.9 1366.5 1367.9 176.7 1370.8 1373.5 1375.1 178.8 1391.6 1394.3 1396.3 180.1 1410.6 1412.1 1412.9 181.0 1414.4 1416.5 1417.8 181.8 1428.8 1432.0 1434.2 182.1 1435.3 1437.9 1439.8 182.5 1440.7 1442.4 1443.8 182.8 1443.7 1445.6 1446.8 183.5 1449.8 1452.2 1453.8 183.8 1451.6 1454.1 1455.8 184.0 1453.5 1456.3 1458.1 184.2 1454.6 1457.5 1459.4 184.4 1456.2 1459.3 1461.3 184.B-1462.9 1465.9 1467.4 185.4 1473.0 1475.8 1477 .4 185.9 1497.3 1497.9 1498.3 186.5 1505.3 1509.0 1510.9 186.8 1510.1 1513.0 1515.0 Source:R&M 1982b 1216.5 1280.6 1335.7 1345.0 1368.5 1375.9 1397.2 1413.4 1418.3 1435.1 1440.7 1444.5 1447.4 1454.5 1456.5 1458.9 1460.2 1462.3 1468.1 1478.1 1498.5 1511.6 1515.9 1218.4 1281.4 1337.3 1346.0 1369.5 1377 .3 1398.8 1414.2 1419.2 1436.6 1442.4 1445.7 1448.3 1455.7 1457.8 1460.3 1461.6 1464.0 1469.1 1479.4 1498.3 1513.5 1517.8 1219.3 1281.3 1337.9 1346.2 1369.8 1377.6 1399.2 1414.6 1419.4 1436.8 1442.8 1446.0 1448.5 1456.0 1458.0 1460.6 1461.8 1464.4 1469.2 1479.7 1499.0 1513.1 1518.2 TABLE E.2.2.24:WATER SURFACE ELEVATIONS (Page 1 of 4) Water Surface Elevations (ft,msl)for Indicated Discharge (cfs) cross J River Secti n Mileage 3,000 5,000 7,000 9,700 13 ,400 17 ,000 23,400 34,500 52,000 0.00 83.90 272.1 272.7 273.3 274.1 275.1 275.9 277 .2 279.3 282.2 0.01 84.83 276.6 278.2 279.0 281.4 281.6 282.3 284.8 291.7 292.4 0.02 86.93 281.7 282.8 283.5 285.5 285.7 286.4 288.5 294.1 295.3 0.03 88.13 285.1 286.0 286.4 288.0 288.1 288.6 290.4 294.9 296.3 0.04 89.83 291.4 292.2 292.7 294.0 294.1 294.5 295.9 298.8 300.3 0.05 91.63 298.7 299.4 299.7 300.9 301.0 301.3 302.5 304.7 305.9 0.3 94.23 314.3 315.3 315.7 316.7 316.7 317.1 318.2 318.7 319.7 0.4 94.55 316.1 317.0 317.5 318.7 318.8 319.2 320.3 321.6 322.7 0.5 94.92 317 .3 318.5 319.1 320.7 320.8 321.2 322.4 323.9 325.0 0.6 95.37 319.2 320.8 321.5 323.4 323.6 324.2 325.5 327.0 327.8 0.7 95.76 323.5 324.3 324.8 326.3 326.5 326.9 328.2 329.6 330.4 0.8 96.13 326.5 327.2 327.6 328.8 328.9 329.3 330.4 331.9 332.6 0.9 96.61 330.5 331.1 331.4 332.4 332.5 332.8 333.6 334.8 335.4 1.0 97.02 332.0 332.9 333.4 334.6 334.7 335.0 335.9 336.9 337.7 1.1 97.31 332.9 333.9 334.5 335.7 335.8 336.2 337.2 338.4 339.2 1.2 97.62 335.0 335.7 336.1 337.3 337.4 337.7 339.0 340.3 341.0 2.0 97.93 336.7 338.0 338.3 339.3 339.4 339.7 340.9 342.1 342.9 2.1 98.03 337.1 338.3 338.7 339.7 339.8 340.1 341.3 342.7 343.6 2.2 98.23 337.7 338.9 339.3 340.5 340.5 340.9 342.3 344.1 345.0 2.3 98.42 338.5 340.0 340.5 342.5 342.7 343.5 345.4 347.1 347.9 3.0 98.59 339.7 341.2 341.8 334.1 344.5 345.3 346.9 348.4 349.1 3.1 98.75 340.9 342.1 342.7 344.6 345.1 346.0 347.5 348.9 350.0 3.2 98.93 343.4 344.1 344.6 345.2 345.8 346.8 348.0 349.4 350.8 3.3 99.10 344.8 345.5 346.0 346.1 346.8 347.7 348.6 350.0 351.6 3.4 99.31 345.9 346.4 346.9 347.2 348.0 348.8 349.8 351.1 352.8 4.99.58 347.1 347.5 348.0 348.6 349.5 350.3 351.7 352.9 354.6 4.1 99.75 351.0 351.4 351.7 351.9 352.6 353.2 354.3 355.3 356.7 4.99.94 351.9 352.5 352.8 353.0 353.8 354.4 355.5 356.6 358.0 4.100.17 352.5 353.1 353.5 353.8 354.7 355.5 357.0 358.2 359.7 4.100.28 353.1 353.9 354.2 354.5 355.5 356.3 357.9 359.0 360.3 5.100.36 356.5 356.9 357.2 357.4 358.0 358.5 359.6 360.8 362.1 TABLE E.2.2.~~(Page 2 of 4) i -- i iWater Surface El~vations (ft,msl)for Indicated Discharge (cfs) Cross River i Section Mit~age 3,000 !5,000 7,000 9,700 13 ,400 17,000 23,400 34,500 52,000 1 i 6.0 100.96 360.2 b60.9 361.3 361.9 362.7 363.3 364.4 365.6 367.3 7.0 101.52 363.1 1364.0 364.6 365.3 366.5 366.6 368.2 369.5 371.0 8.0 102.38 370.2 1371.2 371.7 372.4 373.4 374.0 375.1 376.6 378.4 9.0 103.22 374.9 \376.2 376.9 378.0 378.6 379.8 381.2 383.3 385.8 9.1 104.12 381.9 !383.0 383.7 384.9 '385.8 386.6 387.7 389.7 391.8 I10.0 104.75 391.1 !391.6 391.8 392.2 392.2 392.8 393.6 395.0 396.7 10.1 105.01 393.5 ~94.2 394.6 395.1 ;)95.3 395.8 396.6 397.9 399.4 10.2 105.81 399.7 ~00.2 400.8 401.4 401.7 402.2 403.0 404.2 405.6 10.3 106.34 403.8 4-04.9 405.4 406.0 406.3 406.8 407.7 409.0 410.8 11.0 106.68 406.3 407.4 407.8 408.3 408.7 409.3 410.2 411.5 413.2 I 12.0 108.41 419.0 ~19.7 420.4 420.8 421.7 422.6 423.7 425.6 428.0 I13.0 lliO•36 433.2 434.3 435.6 436.2 437.6 438.1 439.6 441.5 444.9 14.0 ll!0.89 441.3 ~42.0 442.4 42.9 443.4 443.9 445.0 446.7 449.3 15.0 l1l1.83 450.2 ~51.2 451.6 452.1 452.6 452.9 453.7 454.9 456.3 16.0 11;2.34 453.4 ~54.2 454.8 455.4 456.3 456.6 457.7 459.0 460.8 17.0 11:2.69 457.6 {!-58.1 458.6 459.0 459.9 460.4 461.1 462.4 463.9 18.0 113.02 459.1 459.7 460.2 460.7 461.8 462.4 463.2 464.9 466.6 I18.1 114.11 471.9 {!-72.8 473.4 474.2 474.5 475.3 476.0 477 .0 478.9 18.2 If[5..08 477 .0 478.1 479.1 480.2 481.2 481.8 482.9 484.2 486.1 18.3 11',5.86 480.4 481.6 482.5 483.9 484.7 485.5 487.0 488.6 490.9 19.0 11 pi.44 484.3 485.1 485.7 486.8 487.6 488.5 490.1 491.6 494.2 i19.1 116'.89 490.7 491.4 492.1 492.7 493.5 494.0 495.5 496.8 499.0 20.0 117[.19 492.0 493.0 493.9 494.8 495.8 496.4 497.9 499.0 501.0 20.1 117'.61 497.8 498.7 499.4 500.1 501.0 501.5 502.5 503.5 504.9 I 504.1 509.820.2 118.31 502.1 503.3 504.8 505.5 506.1 507.2 508.2 21.0 119.15 506.0 .507.3 508.3 509.2 510.2 510.9 512.2 513.5 515.7 22.0 119.32 508.9 509.8 510.5 511.5 512.3 512.9 514.0 515.3 517.3 23.0 120.26 518.1 .518.3 519.3 519.7 520.4 520.9 521.8 522.9 524.6 24.0 120.66 519.2 520.1 520.7 521.2 522.2 523.0 524.1 525.4 527.2 I 525.4 526.8 529.824.1 120.85 520.0 521.2 522.0 522.7 524.0 524.4 25.0 121.63 530.9 ~31.4 532.0 533.2 533.8 533.9 534.6 537.8 539.6 25.1 122.05 532.5 5,33.1 533.7 534.8 535.5 535.6 536.7 539.6 541.7 26.0 122.57 535.6 536.4 536.9 537.6 538.2 538.9 540.1 542.0 544.2 ~.~ TABUE E.2.2.24 (Page 3 of 4) Water Surface Elevations (ft,msl)for Indicated Discharge (cfs). crot s River Sec ion Mileage 3,000 5,000 7,000 9,700 13 ,400 17,000 23,400 34,500 52,000 27.123.31 540.2 541.3 542.0 542.8 543.3 544.4 545.5 547.2 549.4 28.124.41 551.6 552.7 553.6 554.4 555.2 556.1 556.8 558.1 560.1 28.125.54 563.6 564.3 564.9 565.3 566.0 566.8 567.6 568.3 570.1 29.126.11 567.5 568.4 568.8 569.4 570.4 571.2 572.0 573.1 574.9 30.127.50 584.7 585.6 586.0 586.7 587.3 587.7 588.0 589.2 590.8 31.128.66 592.0 593.3 594.3 595.3 596.2 597.1 598.2 599.6 601.4 32.129.67 604.0 604.6 605.2 606.1 607.1 607.7 608.4 610.0 611.8 33.0 130.12 610.6 611.3 611.7 612.2 613.0 613.5 613.8 614.6 615.9 34.0 130.47 614.1 614.7 615.2 615.7 616.6 617.2 617 .9 619.1 620.4 35.0 130.87 615.0 616.0 616.6 617 .4 618.4 619.1 620.1 621.7 623.6 36.0 131.19 616.4 617 .1 617 .8 618.9 620.2 621.0 622.4 624.2 626.6 37.0 131.80 625.1 626.0 626.5 627.1 627.8 628.1 628.9 629.4 630.4 38.0 132.90 637.0 637.7 638.2 638.9 640.0 640.7 641.8 643.4 645.6 39 0 133.33 644.5 645.1 645.4 645.9 646.4 646.7 647.4 648.2 649.7 40 0 134.28 653.1 653.8 654.4 655.2 655.9 656.5 657.5 658.6 660.4 41 0 134.72 657.9 658.6 659.2 659.9 660.6 661.2 662.3 663.6 665.8 42 0 135.36 667.4 668.0 668.4 668.8 669.4 669.8 670.4 671.5 672.8 43 0 135.72 668.4 669.4 670.2 671.2 672.1 672.7 673.8 675.3 676.9 44 0 136.40 678.8 679.6 680.2 681.2 682.2 683.0 684.2 685.4 687.4 45 0 136.68 681.1 682.2 683.0 684.0 685.1 686.0 687.2 688.4 690.5 46 0 136.96 684.1 685.1 685.9 686.9 687.9 688.8 690.2 691.7 694.1 47 0 137.15 687.5 688.6 689.3 690.4 691.3 691.9 692.9 694.2 696.3 48 0 137.41 689.8 690.9 691.7 692.9 693.9 694.6 695.5 697.0 699.1 49.0 138.23 698.6 699.6 700.2 700.9 702.7 703.4 704.3 705.2 706.6 50.0 138.48 700.2 701.3 702.0 702.7 704.3 705.1 706.2 707.3 708.6 51.0 138.89 705.4 706.0 706.5 706.9 707.6 708.5 709.7 711.4 711.7 52.0 139.44 713.0 714.4 715.8 717 .1 717 .8 718.2 718.6 719.5 720.1 53.0 140.15 719.9 720.8 722.1 722.7 723.7 724.4 725.4 726.5 728.8 5 • 0 140.83 730.2 730.8 731.3 731.8 732.3 733.1 734.1 735.8 737.6 5 • 0 141.59 740.7 741.6 742.2 742.9 743.4 743.9 744.3 745.3 746.8 5 • 0 142.13 749.5 750.2 750.5 751.4 751.4 752.1 753.2 755.0 756.9 TABLE E.2.2.24 (Page 4 of 4) Cross Section 57.0 58.0 59.0 60.0 61.0 62.0 63.0 64.0 65.0 66.0 67.0 68.0 River Mileage 142.34 143.18 llf4.83 14'7.56 148.73 14'8.94 149.15 149.35 149.46 149.51 149.81 150.19 i 3,000 751.7 762.4 783.0 816.4 828.7 831.4 834.4 836.2 839.0 842.3 845.7 847.3 i rIWater Surface E1~vations (ft,ms1)for Indicated Discharge (cfs) ! !15,000 7,000 9,700 13,400 17,000 23,400 34,500 52,000 II ~52.7 753.1 754.2 754.4 755.0 756.0 757.8 759.9 ~63.5 764.1 764.8 765.7 766.2 766.2 767.9 769.2 784.3 785.4 786.8 787.8 789.2 790.4 791.2 792.3 ~17 .5 818.5 819.5 820.6 821.6 823.4 823.8 825.8 830.3 831.3 833.1 834.3 834.8 836.4 838.7 840.5 I 833.7i,~32.9 835.4 836.6 837.1 838.5 841.0 843.0 835.6 836.4 837.9 839.0 839.7 841.0 843.2 845.2~37.6 838.5 839.9 841.1 841.9 843.2 845.4 848.0 840.0 840.6 841.9 842.9 843.5 844.7 847.0 850.0 I843.0 843.6 844.5 845.2 845.8 846.8 848.5 850.9 846.8 847.5 848.7 849.6 850.2 851.1 852.4 854.7 I ~48.6 849.5 851.0 852.1 852.8 854.0 855.8 858.8 I I I IIII I -----.;.~'------J)'-----':!\~' TABLE E,2.2.25:DETECTION LIMITS AND CRITERIA FOR WATER QUALITY PARAMETERS (Page 1 of 2) R&M USGS Detection Detection Criteria Parameters(l)Limit Limit(4)Levels Temperature,DC 0.1 20,15(M),13(Sp) Total Suspended Sediments(2)1 1 no measurable increase Turbidity (NTU)0.05 1 25 NTU increase Dissolved Oxygen 0.1 7 and 17 D.O.Percent Saturation 1 110 Nitrate Nitrogen 0.1 0.01 10 Total Phosphorus 0.01 0.01 0.01 Ortho-Phosphate 0.01 0.01 Total Dissolved Solids(3)1 1 1,500 Conductivity,umhos/cm ®25 DC 1 SiInificant'Ions Su fate 1 0.05 200 Chloride 0.2 0.01 200 Ca,Calcium 0.05 0.01 Mg,Magnesium 0.05 0.1 Na,Sodium 0.05 0.1 K,Potassium 0.05 0.1 Total Hardness 1 pH,pH Units .+0.01 6.5 -9.0 Total Alkalinity,as CaC03 -2 20 Free Carbon Dioxide 1 Chemical Oxygen Demand 1 Total Organic Carbon 1.0 3.0 (S) True Color,Platinum Cobalt Units 1 1 50 Metals Ag,Silver 0.05 0.001 0.05 AI,Aluminum 0.05 0.01 0.073 (S) As,Arsenic 0.10 0.001 0.440 Au,Gold 0.05 B,Boron 0.05 0.01 0.043 Ba,Barium 0.05 0.1 1.0 Bi,Bismuth 0.05 0.0035 (S) Cd,Cadmium 0.01 0.001 0.0012,0.0004 Co,Cobalt 0.05 0.001 Cr,Chromium 0.05 0.001 0.1 Cu,Copper 0.05 0.001 0.01 Fe,Iron 0.05 0.01 1.0 Hg,Mercury 0.1 0.0001 0.00005 Mn,Manganese 0.05 0.001 0.05 Mo,Molybdenum 0.05 0.001 0.07 Ni,Nickel 0.05 0.001 0.025 Pb,Lead 0.05 0.001 0.03 Pt,Platinum 0.05 Sb,Antimony 0.10 0.001 9 Se,Selenium 0.10 0.001 0.01 Si,Silicon 0.05 Sn,Tin 0.10 0.1 Sr,Strontium 0.05 0.01 Ti,Titanium 0.05 W,Tungsten 1.0 j V,Vanadium 0.05 0.007 (S) Zn,Zinc 0.05 0.01 0.03 Zr,Zirconium 0.05 Or~anic Chemicals (ug/l) -ndrin 0.0002 0.00001 0.004 -Lindane 0.004 0.00001 0.01 -Methoxychlor 0.1 0.00001 0.03 Toxaphene 0.005 0.001 0.013 -2,4-D 0.1 0.00001 100 -2,4,5-TP Silvex 0.01 0.00001 10 Gross Alpha (Picocurie/liter)3 15 TABLE E.2.2.25 (Page 2 of 2)j Parameters(l) others Settleable Solids,mIll Ammonia Nitrogen Organic Nitrogen Kheldahl Nitrogen Nitrite Nitrogen Total Nitrogen Total Inorganic Carbon R&M USGS Detection Detection Criteria Limit Limit (4)Levels 0.1 0.05 0.01 0.02 0.1 0.1 0.1 0.01 0.01 0.1 0.01 1.0 (1)All parameters and values are expressed in mgll unless otherwise noted. (2) TSS -(nonfilterable)material on a standard fiber filter after filtration of a well-mixed sample. (3) TDS -(filterable)material that passes through a standard glass fiber filter ana remains after evaporation. (4) USGS detection limits are taken from "1982 Water Quality LaboratorYServicesCafaJ.og" USGS Open-File Report 81-1016.The limits used are the limits for the most precise test available. (M)-Migration Routes (Sp)-Spawning Areas (S)-Suggested Criteria Source:USGS 1984,RM 1981h,1981i,19821 and RM and L.A.Peterson &Associates 1982 J j TABLE E.2.2.26:PARAMETERS EXCEEDING CRITERIA BY STATION AND SEASON Parameter Station Season Criteria D.O.%Saturation G 5 L Phosphorus,Total (d)V;G,T,5,55 5,W,B E pH T 5 'L V,5 W G,T B Total Organic Carbon G,55 5 5 V,G,55 W 55 B True Color V,G,T,5 5 L Aluminum (d)V,G 5,W 5 Aluminum (t)G,T,5 5 5 Bismuth (d)V,,G 5 5 G W Cadmium (d)G,T,55 5 E Cadmium (t)G,T,5,55 5 E T,55 W Copper (d)55 5 A T W T,55 B Copper (t)G,T,5,55 5 A T,55 W,B Iron (t)G,T,5,55 5 E T,55 B Lead (t)G,T,5,55 5 A 55 B Manganese (d)G,5 E Manganese (t)G,T,5,55 5 E T,55 B Mercury (d)G,T,5,55 5 E T,5 W Mercury (t)G,T,5,55 5 E T,5,55 W T,55 B Nickel (t)G,5,55 5 A Zinc (d)5 W A T B Zinc (t)G,T,5,55 5 A T,55 W,B Note~: Parameter Stations Seasons Criteria (d) (t) dissolved 0 -Denali total V -Vee Canyon recoverable G -Gold Creek C -Chulitna T -Talkeetna 5 -Sunshine 55 -!juaiLna station 5 -Summer W-Winter B -Breakup L -Established by law as per Alaska Water Quality Standards,1979. E -Established by law as per EPA Quality Criteria for Water,1976. 5 Criteria that have been suggested Source:USGS AND R&M A -Alternate level to 0.01 of the 96-hour LC b;(E5pOAdelter~ined through~oassay 976). TABLE E.2.2.27:SUSITNA RIVER BETWEEN THE CHULITNA CONFLUENCE (RM 98.5)AND GOLD CREEK (RM 136.5)WATER SURFACE ELEVATIONS IN FEET (MSL)1983 FREEZEUP STAGING (Page 1 of 2) Surveyed from Arbitrary Reference Datum of 10 feet. 1 I 1 .·1 ·1 ] } J ] 1 .1 :I :.I :I ] J 339.40 592.86 11/18 592.85 567.55 375.67 520.05 541.11 654.24 457.74 339.23 6900 655.23 2.25 377.52 520.93 7800 341.30 339.65 569.44 460.18 683.06 681.84 681.24 Date of Survey 10/17 10/21 11/4 341.51 8800 653.86,657.21 10/6 342~55 341.24 683.59 683.35 RM98;2 RM 98.4 RM 98.6 RM 134.2 RM 103.3 RM 106.i17 RM 120.5 RM 113.0 RM 123.3 RM 126.1 RM 128.7 RM 136.5 RM 130.9 Discharge (USGS Gold Creek) Location of Leading Edge No Cover No Cover No Cover 42.0 82.5 LRX-3 Near LRX..:.rO~j LRX-2.3 LRX-9 LRX-40 LRX-29 Near LRX-3l LRX-18 LRX-27 LRX-24 Location LRX-45 Gold Creek Near LRX-35 L-RX-2;Z·· 1/A maximum stage of 344.63 feet·was reached at 1530 on December 9,1983 coincident with the leadinJLt:dge .c:>.~ice cover paf!1'!ingthis cross section. TABLE E.2.2.27 (Page 2 of 2) Date of Survey Location 12/13 12/22 12/28 1/5 1/27 LRX-45 RM 136.5 681.59 681.96 682.73 683.49 684.64 Gold Creek LRX-40 RM 134.2 653.86 654.55 655.23 657.58 I. Near LRX-35 RM 130.9 617.55 617.05 618.16 Near i LRX-31 RM 128.7 593.95 596.54 595.58 594.99 LRX-29 RM 126.1 573.49 573.53 572.59 571.53 571.08 LRX-27 RM 123.3 545.31 544.35 544.43 LRX-24 RM 120.5 520.82 522.26 523.58 523.89 I LRX-18 RM 113.0 461.87 461.36 461.13 Near LRX-10.3 RM 106.21/7.65 LRX-9 RM 103.3 383.57 381.32 381.41 LRX-31/RM 98.6 342.80 343.07 343.00 341.34 LRX-2.3 RM 98.4 LRX-2.2 RM 98.2 Location of Leading Edge 108 116.2 129.5 130.2 130.2 127.0 136.3 136.8 , I Discharge (USGS Gold Creek)3400 BACKWATER I 1/A maximum stage of 344.63 feet was reached at 1530 on December 9,1983 coincident with the leading edge of ice cover passing this cross section- _J 1/Surveyed from Arbitrary Reference Datum of 10 feet. I.' MAJOR ANNUALLY RECURRING OPEN LEADS BETWEEN (Page 1 of 3) SUNSHINE RM 83 AND DEVIL CANYON RM 151 LOCATIONS AND DIMENSIONS ON MARCH 2,1983 TABLE E.2.2.28: Location of Upstream End 1 River Mile iff: Channel Type Type of Lead(l) Approx. Length (Ft.) Widest Point (Ft.) Continuous or Discontinuous 1 J j 85.0 87.1 87.6 89.0 Mainstem Velocity 550 80 Continuous Slough Velocity 4,500 50 Discontinuous Mainstem Velocity 700 100 Continuous Mainstem Velocity 1,200 100 Continuous Side Channel Velocity 2,500 40 Continuous 89.5 Mainstem Velocity 1,400 60 Discontinuous 91.0 Mainstem Velocity 1,700 80 Discon~inuous 92.3 Mainstem Velocity 1,300 110 Discontinuous 93.7 Mainstem Velocity 3,500 110 Continuous 94.0 Mainstem Velocity 3,500 20 Discontinuous 95.2 Side Channel Velocity 2,400 100.Continuous 96.9 Side Channel Velocity 5,600 150 Discontinuous 97.0 Mainstem Ve1 o <=L-ty 1,100 30.Continuous 102.0 Mainstem Velocity 2,400 100 Discontinuous 102.9 Mainstem Velocity 600 100 Continuous 103.5 Mainstem Velocity 1,850 100 Discontinuous 104.1 Mainstem Velocity 280 70 Continuous 104.5 Mainstem Velocity 1,700 110 Continuous 104.9 Mainstem Velocity 900 150 Continuous 105.9 Mainstem VelocitY_c_~~~,~2.!t..~._~Q-O_._._C_ontinuous-_.~. I06~Tf.rainstem Velocfty 200 60 Continuous 106.4 Mainstem Velocity 370 50 Continuous 106.6 Mainstem Velocity 350 50 Discontinuous 107.4 Mainstem Velocity 200 50 Continuous 109.1 Mains tem Velocity 550 100 Discontinuous 110.3 Mainstem Velocity 150 100 Discontinuous 110.5 Mainstem Velocity 290 50 Continuous 110.9 Mainstem Velocity 450 50 Discontinuous .--.--1-1-1-.·5----'-Mains tem-Veloc-ity"-t-;600--'TOO--C6iiETriuous ..~.lL]__~__Ma_ins-tem-------Ve-1-0c-i_l;_y-----··---500----------90------Cb-rftinuous 111.9 Mainstem Velocity 900 150 Continuous 112.5 Mainstem Velocity 700 100 Discontinuous 112.9 Mainstem Velocity 500 110 Continuous 113 •.8 Mainstem Velocity 600 110 Continuous 117.4 Mains tem Thennal 780 60 Continuous 117.9 Side Channel Thermal 1,260 120 Discontinuous 119.6 Side Channel Thennal 550 50 Continuous U9_.]MainsteIIl VelociEy3S-0 -t:i nuous ') 1 j TABLE E.2.2.28 (Page 2 of 3) Location of Type Approx.Wides t Continuous Upstream End Channel of Length Point or 1 River Mile1J:Type Lead(l )(Ft.)(Ft.)Discontinuous 120.3 Mainstem Velocity 800 100 Continuous 121.1 Mainstem Velocity 550 100 Continuous 121.8 Side Channel Thermal 1,450 30 Discontinuous 122.4 Slough (7)Thermal 1,850 60 Discontinuous 122.5 Slough (7)Thermal 380 50 Continuous 122.9 Slough (7)Thermal 1,950 80 Discontinuous 123.1 Mainstem Velocity 1,000 80 Continuous 123.9 Side Channel Thermal 200 50 Continuous 124.4 Side Channel Velocity 270 40 Continuous 124.9 Mainstem Thermal 600 90 Continuous 125.3 Slough (8)Thermal 3,500 50 Discontinuous 125.5 Mainstem Velocity 2,140 100 Continuous 125.5 Slough (8)Thermal 800 500 Continuous 125.6 Mainstem Velocity 350 60 Continuous 125.9 Slough (8)Thermal 580 50 Continuous 126.1 Slough (8)Thermal 500 30 Continuous 126.3 Slough (8)Thermal 250 50 Continuous 126.8 Slough (8)Thermal 1,500 80 Discontinuous 127.2 Side Channel Thermal 2,450 50 Continuous 127.5 Mainstem Velocity 700 80 Continuous 128.9 Slough (9)Thermal 5,060 100 Continuous 128.5 Side Channel Thermal 1,210 30 Discontinuous I 128.8 Side Channel"Thermal 380 20 Continuous I 129.2 Slough Thermal 4,000 30 Discontinuous.I 130.0 Mainstem Velocity 600 90 Continuous 130.8 Side Channel Thermal 5,000 50 Discontinuous 130.7 Mainstem Velocity 150 50 Continuous 131.1 Mainstem Velocity 490 90 Continuous 131.3 Mainstem Velocity 800 100 Continuous 131.5 Side Channel Thermal 5,000 80 Discontinuous 131.3 Side Channel Thermal 900 90 Discontinuous 132.0 Mainstem Velocity 150 20 Continuous 132.1 Mainstem Velocity 500 20 Discontinuous 132.3 Mainstem Velocity 400 80 Continuous 132.6 Mainstem Velocity 1,350 80 Continuous 133.7 Slough Thermal 6,000 60 Continuous 133.7 Mainstem Velocity 1,110 100 Continuous 134.3 Slough (10)Thermal 4,500.40 Continuous 134.0 Side Channel Thermal 1,200 50 Continuous 134.5 Side Channel Thermal 850 100 Continuous 135.2 Mainstem Velocity 1,580 90 Discontinuous TABLE E.2.2.28 (Page 3 of 3) Location of Type Approx.Widest Continuous Upstream End Channel of Length Point or 1 River Mile1ft Type Lead(l)(Ft.) (Ft.)Discontinuous 135.7 Slough (II)Thermal 5,500 80 Continuous 136.0 Mainstem Velocity 230 80 Continuous 136.3 Side Channel Thermal 2,050 40 Continuous 136.7 Mainstem Thermal 1,620 80 Continuous 137.1 Mainstem Velocity 750 60 Continuous 137.4 Side Channel Thermal 2,500 20 Discontinuous 137.8 Slough (16)Thermal 1,400 30 Discontinuous 138.2 Mainstem Velocity 2,000 150 Continuous 138.9 Mainstem Thermal 2,100 150 Continuous 139.0 Mainstem Velocity 780 20 Continuous 139.1 Mainstem Velocity 500 30 Continuous 138.4 Mainstem Velocity 600 30 Continuous 140.6 Side Channel Thermal 1,900 100 Discontinuous Slough (20)Thermal 1,100 20 Continuous 142.0 Slou,gh.(21)Thermal 3,850 40 Discont inuous 141.5 Mainstem Velocity 850 40 Continuous 142.0 Mainstem Velocity 950 50 Continuous 142.6 Mainstem Velocity 1,600 150 Discontinuous 142.8 Mainstem Velocity 850 150 Continuous 143.6 Mainstem Velocity 550 20 Discontinuous Mainstem Velocity 280 20 Continuous 143.8 Mainstem .--"Y-~lq<=i~y _~_~~W____.~lO_O__._Continuous-- 1~3;9------MaTus tem Velocity 500 30 Continuous 144.5 Mainstem Velocity 900 100 Discontinuous Slough (22)Thermal 250 20 Continuous 144.6 Slough (22)Thermal 300 20 Continuous 145.5 Mainstem Velocity 1,150 100 Continuous 146.9 Mainstem Velocity 700 100 Continuous 147.1 Mainstem Velocity 850 80 Discontinuous 147.7 Mainstem Velocity 150 40 Continuous 148-.-1--········.......Mainstem .Velocity ···-420 ~--~~-50·~-'--DisconEiiiuous If1._R.-5 Ma-ins-t-em-~~-Ve-loc-i--t-y 6-80--I-40 Cont-inuous 149.0 Mainstem Velocity 400 60 Continuous 149.5 Mainstem Velocity 500 80 Continuous 150.0 Mainstem Velocity 350 20 Discontinuous 150.2 Mainstem Velocity 750 100 Continuous 151.2 Mainstem Velocity 2,800 100 Discontinuous (1)Velocity_indicates lea.dkeptopen·bYl:1igl:1-ve-1()c:Fty·flows.Thermal-' indicates lead kept by groundwater seepage. I,] 1 ) 1 :j ...) ~1 ] ) i ] j ,.j J ] I TABLE E.2.2.29:NUMBER OF BEDLOAD SAMPLES COLLECTED UP TO FEBRUARY 1984 NUMBER OF SAMPLES GAGING STATION YEAR Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Susi na R.at Gold Creek 1981 1 1 1 (15292000) Susi tna R.near Talkeetna 1982 5 4 5 1 (15292100)1983 1 2 3 2 3 1 1 1984 1 Chu~itna R.near Talkeetna 1981 1 1 1 (15292400) 1982 5 4 4 2 Chu~itna R.Below Canyon near 1983 1 3 3 2 3 1 1 a1keetna 1984 1 ~15292410) Sus'tna R.Right Channel 1983 1 1 1 1 1 1 e10w Chulitna R.1984 1 15292439) Susitna R.Left Channel 1983 1 1 1 1 1 1 e10w Chulitna R.1984 1 15292440) Tal~eetna R.near Talkeetna 1981 1 1 1 15292700)1982 5 4 5 1 1983 1 2 3 2 2 3 1 1984 1 Susitna R.at Sunshine 1981 1 1 1 15292780)1982 5 4 5 1 1983 1 2 3 2 5 1 1 1984 1 Soulcce:Knott and Lipscomb,1983 and 1985 I ']]ABLE E.2.2.30:WAT:ER DISCHARGE AND ESTIMATED SEDIMENT T~NSPORT AT SELECTED SITES ON SUSITNA RIVER IMA~1982 THROUGH SEPTEMBER 1983 (Page 1 of 3) Gaging Station Year Month Water Discharge Suspended Load Bedload Total Load Chulitna River below Near;Talkeetna I Talkeefnf I iII, I I i II : I : !I I iI 'I I, I 'I, I II Susitna River near (15292100) I: TalkeJtna I ' I(~~~~~4~0) 'I [ Chulitna River near (15292400) 1982 1983 1982 1982 --_., (acre-H) 920,000 1,700,000 1,500,000 1,000,000 1,100,000 450,000 160,000 150,000 150,000 140,000 110,000 120,000 1,000,000 1,600,000 1,400,000 1,600,000 850,000 386,700 1,092,000 1,575,000 1,252,000 1,085,000 338,100 14,9,600 114,000 96,700 5'7,500 64,600 7(+,300 546,100 1,124,000 (tons) 300,000 800,000 880,000 359,000 470,000 9,300 780 720 740 620 340 500 350,000 920,000 1,080,000 980,000 121,000 130,000 1,280,000 2,650,000 1,400,000 1,690,000 37,000 5,100 2,600 1,900 630 720 1,100 250,000 1,660,000 ~~ (tons) 3,900 17,400 12,900 3,900 5,400 388 17 15 16 13 6 10 8,400 27,200 15,600 16,900 3,800 80,000 430,000 330,000 260,000 127,000 4,400 127 40 26 4 5 13 87,000 190,000 (tons) 304,000 817,000 893,000 363,000 475,000 9,690 797 735 756 633 346 510 358,000 947,000 1,100,000 997,000 125,000 210,000 1,710,000 2,980,000 1,660,000 1,820,000 41,400 5,230 2,640 1,930 634 725 1,110 337,000 1,850,000 .~ "------_. -.__.__•...---------"---"'---~~"'~'",-,-,._-~-~--~---,"---,..----."--"'..,.'-"---'~-..,,"~ TABLE E.2.2.30 (Page 2 of 3) Gaging Station Year Month Water Suspended Bedload Total Discharge Load Load (acre-ft)(tons)(tons)(tons) July 1,372,000 2,760,,000 230,000 2,990,000 Aug.1,364,000 3,200,000 179,000 3,380,000 Sep.652,500 630,000 148,000 778,000 Talkeetna River near Talkeetna 1982 May 203,700 60,000 4,000 64,000 (15292700 )June 770,200 400,000 81,000 481,000 July 680,900 510,000 40,000 550,000 Aug.447,100 138,000 58,700 197,000 Sep.568,000 242,000 39,000 281,000 Oct.206,100 10,000 1,350 11,400 Nov.73,980 850 66 916 Dec.66,550 630 47 677 1983 "Jan.51,410 380 26 406 Feb.32,210 140 8 148 Mar.34,770 150 9 158 Apr.39,790 230 15 245 May 279,800 46,000 4,630 50,600 June 536,300 220,000 19,100 239,000 July 353,100 430,000 24,000 454,000 Aug.541,300 350,000 26,300 376,000 Sep.234,700 23,800 3,720 27,500 Susitna River at Sunshine 1982 May 1,633,000 600,000 16,000 616,000 (15292780 )June 3,738,000 2,700,000 175,000 2,880,000 July 3,876,000 4,200,000 142,000 4,340,000 Aug.2,083,000 2,400,000 74,000 2,470,000 Sep.2,906,000 2,270,000 95,000 2,820,000 Oct.994,900 110,000 16,800 127,000 Nov.374,900 4,500 6,600 11,100 Dec.345,100 3,200 6,100 9,300 1983 Jan.320,700 2,700 5,750 8,450 Feb.259,000 1,700 4,630 6,330 Mar.214,000 780 3,940 4,720 Apr.249,700 1,700 4,500 6,200 May 1,930,000 930,000 46,000 976,000 TABLE E.2.2.30 (Page 3 \ I .of 3) I ! Gaging S ation Year Month Water Suspended Bedload Total Discharge Load Load (acre-ft)(tons)(tons)(tons) June 3,457,000 3,400,000 184,000 3,580,000 July 3,405,000 3,900,000 101,000 4,000,000 Aug.3,725,000 Ii,700,000 .82,000 4,780,000 Sep.1,786,000 690,000 128,000 818,000 , i i I i Source:Knott and LipscOfub,1983 and 1985 I TABLE E.2.2.31:BEDLOAD SIZE DISTRIBUTION (Page 1 of 3) PARTICLE SIZE (rom) .125 .25 .50 1.0 2.0 4.0 8.0 16 32 64 76-- Gagi g Station Month Percent Finer Than Susi ,na R.at Gold Creek JuI.1981 2 20 28 33 36 38 44 61 89 100 (5292000)Aug.1981 5 41 51 55 58 59 66 72 82 100 Sep.1981 15 78 88 97 100 susirna R.near Talkeetna Jun.1982 2 39 48 50 51 53 56 67 83 100 (5292100)JuI.1982 1 63 85 87 88 90 92 98 100 Aug.1982 1 71 96 98 98 99 99 100 Sep.1982 2 63 78 80 80 82 84 91 100 Mar.1983 3 75 100 May 1983 1 70 93 94 95 95 95 96 100 Jun.1983 1 47 60 62 62 64 67 69 100 Jul.1983 1 76 91 93 93 94 95 98 100 Aug.1983 5 62 91 92 93 94 95 96 100 Sep.1983 76 88 92 93 93 93 100 Oct.1983 84 89 99 99 99 100 Chu~itna R.near Talkeetna Jul.1981 2 15 22 26 30 45 70 93 96 100 15292400)Aug.1981 1 12 19 27 40 56 73 89 97 100 Sep.1981 15 29 44 55 77 91 99 100 Jun.1982 1 19 39 47 58 72 84 95 100 JuI.1982 1 14 33 38 45 57 70 88 100 Aug.1982 1 13 33 39 46 58 73 91 100 Sep.1982 1 20 38 49 55 64 75 89 100 TABLE E.2.2.31 (Page 2 of 3) I I PARTICLE SIZE (mm) .125 ~5 .50 1.0 2.0 4.0 8.0 16 32 64 76 Gaging Station I I Percent Finer ThanMenth I I Chulitna R.be ow Canyon n 1 20 49 66 68 78 88 97 100May;1983 I !near Ta1kee na Jun.!1983 1 23 44 57 58 69 80 91 100 (15292410)I I 1 23 48 58 60 69 78 91 100~~~:i i~~;1 17 30 35 38 49 66 83 98 100 Sep.I 1983 31 50 71 77 87 94 100Ii130526168819098 10009t.:1983 Feb.;1984 1 2 49 73 79 79 84 100 Susitna R.Righ Channel MJr.I 1983 90 100 below Chulitna R.May \1983 20 34 39 39 43 51 64 100 (15292439)JU~.i 1983 1 28 45 53 54 60 69 79 'l00 JUII.;1983 36 54 58 63 70 80 93 100 Aug.i.1983 16 22 24 26 36 58 82 100 I 53 77 82 82 83 86 94 100Oc~.1983 Fer'1984 50 99 100 Susitna R.Left Channel May 1983 2 85 95 100 below Chulitna R.I 2 43 60 62 63 67 73 84 100Jup.1983 (15292440)Juil..1983 1 67 81 81 62 83 86 90 100 I 3 52 66 70 70 72 75 84 100Aug.1983 Oct.1983 78 95 96 97 98 98 100 Talkeetna R.near Talkeetna II(15292700)Jul.1981 1 12 46 54 56 57 59 64 78 97 100 I 5 68 85 87 88 89 91 93 100Aug.1981 Se@.1981 6 86 99 100 I 1 27 57 61 63 65 73 85 95 100Ju-q..1982 Jul.1982 6 50 81 84 85 85 87 89 100 I -- TABLE EI.2.2.31 (Page 3 of 3) PARTICLE SIZE (mm) .125 .25 .50 1.0 2.0 4.0 8.0 16 32 64 76 Gaging/Station -- Month Percent Finer Than Aug.1982 1 30 82 88 90 91 92 95 97 100 Sep.1982 1 12 26 27 28 33 49 82 100 Mar.1983 60 100 May 1983 1 64 96 100 Jun.1983 1 38 67 72 72 76 83 96 100 Jul.1983 2 46 80 83 83 84 85 90 100 Aug.1983·1 3 44 75 80 81 84 88 97 100 Sep.1983 59 95 99 100 Oct.1983 79 98 100 Feb.1984 1 3 48 97 100 susitn~R.at Sunshine Jul.1981 (15 92780)Aug.1981 Sep.1981 Jun.1982 Jul.1982 Aug.1982 Sep.1982 Mar.1983 1 47 93 95 95 97 100 May.1983 1 26 43 47 47 51 61 79 99 100 Jun.1983 1 24 34 39 26 47 62 83 99 100 JuI.1983 5 30 42 44 50 65 77 93 100 Aug.1983 1 39 51 54 58 64 73 88 99 100 Sep.1983 0 31 44 49 52 63 78 93 100 Oct.1983 1 40 66 71 72 77 85 96 100 Feb.1984 1 30 58 61 64 69 77 93 100 Source:Knott and Lipscomb 1983,1985 ---------' ;\..1 I, : i , TABlE E.2.2.32:BED MATERIAL SIZE DISTRIBUTION OF SUSITNA RIVERI Bed Material Particle Size (mm)Sizes (mm) !for given Location .062 .125 250 500 1.00 2.00 4.00 8.00 16.0 32.0 64.0 Percentages-- i Percent Finer Than El.6.Q5n ~1I 1 1 Main Channel at RM 99.6 I2 3 7 10 13 16 22 29 42 70 89 1.7 20 65 Main Channel at RM 109.3 i 2 3 5 8 12 18 24 32 50 77 3.0 34 78 Main Channel at RM 113.6 12 3 5 7 9 10 14 21 32 48 77 5.0 35 84 Side Channel at RM 115.1 1 ~5 7 10 13 17 22 29 37 53 73 1.7 30 110 Near Slough 8A,RM 125.6 .Il 3 6 10 12 13 15 18 28 47 83 4.3 35 70I Near Slough 9,RM 128.7 11 2 7 15 18 20 23 30 41 63 93 0.5 22 58 Main Channel at RM 131.2 2!4 6 8 11 14 20 27 36 55 78 2.5 28 85 Side Slough 9,RM 133.5 11 3 6 12 17 20 25 34 44 62 82 0.8 20 80 Side Channel at RM 135.0 1\2 5 7 10 14 19 30 41 58 84 2.6 25 72 Side Slough 11,RM 135.4 I!2 5 8 12 15 20 27 35 50 68 2.2 32 100 Main Channe near RM 137-2 11 2 3 7 10 13 17 24 33 53 72 3.3 30 100 Side Channe near RM 142.0 Oi 0 1 4 6 8 12 17 23 40 62 7.5 46 96! . I TABLE E.2.2.33:SUSPENDED SEDIMENT CONCENTRATION (mg/1) MONTHS Station Jan Feb Mar Apr May Jun Ju1 Aug Sep Oct Nov Dec sus:Jna R.near Denali Max.- - --1190 1600 2770 5690 3600 1400 Min.- - --102 302 886 350 124 85 Median ----570 .840 1350 890 293 104 Susitna R.near Cantwell Max.- - -726 1860 2790 1040 770 140 Min.----132 172 632 380 34 6 Median ----661 417 1090 755 138 84 Susitna R.at Gold Creek Max.8 -3 -1110 1400 1300 938 812 22 Min.<1 -1 -65 151 100 158 23 7 Median 2 -2 -498 574 394 420 68 10 Susitna R.near Talkeetna Max.-- - - -769 768 341 Min.-----181 145 219 Median ---- -438 422 285 Chu1litnaR.near Talkeetna Max.--21 -1040 1600 2200 1260 1680 Min.- -4 -500 90 717 694 129 Median - - 12 -675 820 1165 817 396 Ta1~eetna R.near Talkeetna Max.15 -11 48 503 1340 1160 3530 310 29 Min.2 -1 2 21 171 90 38 13 8 Median 8 -3 8 123 309 359 466 80 16 Sus~tna R.at Sunshine Max.---- -1630 1430 3510 Min.- - - -360 503 424 Median ---- -702 713 715 ? Susitna R.at Susitna Station Max.- -5 -572 918 1490 1490 Min.- -3 -378 326 561 483 Median --3 -417 503 852 943 TABLE E 2J2.34:PARTICLE SIZE DISTRIBUTION OF SUSPENDED SEDIMENTII Stream Gaging Station Number of 11 Sample I i .002, .004 2008 .016 PARTICLE SIZE (mm) .031 .062 .125----- Percent Finer Tha~II .250 .500 1.000 Susitna River near Denali Sus i tna River near CantweLl Susitna River at Gold Creek Susitna River near Talkeetna Chulitna River, near Talkeetna Talkeetna River near Talkeetna Sus i tnaRiver at Sunshine Susitna River at Susitna Station I I 34 ! 27 24 13 36 16 17 9 12, 12 15 29 21 9 22 16 16 18 19 35 31 16 33 23 23 25 27 37 22 43 33 31 33 35 53 46 31 53 43 41 43 47 55 41 62 52 53 54 61 72 62 53 67 60 64 67 75 79 72 65 79 82 81 86 86 90 85 85 90 94 96 97 98 100 99 99 100 100 100 100 100 100 100 11 II , I Samples for which full ra~g~of size distributions were analyzed. •I The percentages given arelt~e median values from a range of observed percentages for variOUS sizes.I ' ------:,......-------.--L -------- Table E.2.2.35:1982 TURBIDITY AND SUSPENDED SEDIMENT ANALYSIS 3Suspended 2 Sedllll8n1' Da1'e Da1'e T..-bldlty Concen1'ra1'Ion 01 scharg_ Loca1'lon Salllpled'Analyzed (NYU)(119/1)(cts) Susltna River a1'6/4/fa 6/11/82 fa V..Canyon 6/30/82 8/3/82 384 (RM 223)7/27/82 8/18/82 720 8/26/82 9/14/82 320 Susltnt River near 6/3/fa 6/11/fa 140 769 35,800 Chase .6/8/82 6/24/82 130 547 44,400 (RM 103)6/15/fa 6/24/fa 94 170 24,200 6/22/82 8/3/82 74 426 37,000 6/30/fa 8/18/82 376 392 30,200 7/8/82 8/18/82 132 156 20,700 7/14/fa 8/3/82 728 729 30,800 7/21/82 8/18/82 316 232 24,900 7/28/fa 8/18/82 300 464 30,BOO 8/4/82 8/18/82 352 377 22,700 8/10/fa 8/26/fa 364 2fa 20,000 8/18/82 8/26/82 304 275 17,700 8/25/82 9/14/fa 244 221 16,800 8/31/82 9/14/82 188 252 19,300 9/19/82 10/12/82 328 439 28,700 Susltna River a1'5/26/82 5/29/82 81 Cross SecTion LRX-4"~ (RM 99) Susltna Rlvgr below 5/26/82 5/29/82 98 Talkeetna'5/28/82 6/2/82 256 43,600 (approxlma1'ely RM 91)5/29/fa 6/2/fa 140 42,900 5/30/82 6/2/82 65 .-38,4.00 5/31/fa 6/2/fa 130 39,200 6/1/82 6/2/82 130 47,000 Sus I tna River at Sun~h In...6/3/fa 6/11/fa 164 847 71,000 Parks Highway Bridge 6/10/82 6/24/82 200 414 64,500 (RMS3)6/17/fa 6/24/fa 136 322 50,800 6/21/82 8/3/82 360 755 78,300 6/28/fa 8/18/fa 1,056 668 75,700 7/6/82 8/3/82 352 507 46,600 7/12/82 8/3/82 912 867 59,800 7/19/82 8/18/82 552 576 60,800 7/26/fa 8/18/82 696 1180 96,800 .8/2/82 8/18/82 S44 704 62,400 8/9/82 8/26/82 720 746 54,000 8/16/82 8/26/82 784 728 47,800 8/23/fa 9/14/fa 552 496 38,600 8/30/82 9/14/82 292 439 39,800 9/17/fa 10/12/82 784 1290 86,500 Chulitna Rlve,.'5/26/82 5/29/82 194 (approximately 1 mile 5/28/82 612/fa 272 above Chull1'na-Susltna 5/29/82 6/2/82 308 Con f Iuence)5/30/82 6/2/fa 120 5/31/82 6/2/82 360 6/1/82 6/2182 324 Table E.2.2.35 (Page 2 of 2) No:t:-as:1.5allllp'es coUect4ldby RaM·Consultants.·Allother··Sl!IIiIijHes we,.iconee:f8c:l by USGS. "--~~--~---_...-._-~"-_.._-- --..--.--------2~R&M~Consultlfnts-conauctid all tUl"bldlty analysis. 3 Suspended s4ldlment concent..atlons a...prel'.'nary unpublished data p..ovlded by the U.S.Geological Survey (USGS). 4 Discharges for "Susltna nea ..Chase"and "Susltnaat LRX-4"a ..e f ..011\1 provisional USGS stre81111 gage data at the Alaska Railroad Bridge at Gold C....k. --~Olscha..ges-for "Susltna BeIOlil Telkeetna"-j"c:t lI$usltl'lllll1"Sunshine"a..e f ..0111 prOVisional USGS st..eM gage data at the Pa ..ks HighWay B..,dge at Sunshine. 60'schar"gesfor "Chulitna Rive..(Canyon)"a..e f"011\1 provisional USGS st..eM gage data at the Pa ..ks Highway B..'dge at Chulitna. 7 Discharges fo .."Talkeetna at R.R.Bridge"and "Talkeetna at USGS Cable"a..e f ..om provl s lona I USGS str.,8Il'I gage data near Tal kfttna. Location Chulitna River (Canyon)6 (18 .lIes above the Chulltna-Susltna Confluence) Tal kfttna RI YO..a; Ral l ..oadBrldgel, (0.5 .llesabove Susltna- Talkeetna Confluence) Talkfttna "Yet'at USGS cabl. (6 .lles above Sus Itna-' Talkeetna Confluence) Suspended3 2 Sediment 4DateDateTu..bldlty Concent..atlon Dlscha ..ge Sampled Analyzed (NTU)(!!!9/I)(cfs) 6/4/82 6/11/82 272 424 11,500 6/22/82 8/3/82 680 813 19,500 6/29/82 8/18/82 1,424 1600 29,000 7n/82 8/3/82 976 1030 20,700 7/13/82 8/18/82 1,136 1200 22,700 7/20/82 8/18/82 1,392 1250 23,100 7/27/82 8/18/82 664 1010 31,900 8/3/82 8/18/82 704 960 23,300 8/11/82 8/26/82 592 753 21,300 8/17/82 8/26/82 1,296 1250 21,900 8/24/82 9/14/82 632 843 18,200 9/1/82 9/14/82 316 523 17,300 9/18/82 10/12/82 1,920 15SO 29,200 5/26/82 5/29/82 17 5,680 5/28/82 612/82 39 6,250 5/29/82 6/2/82 21 5,860 5/30/82 6/2/82 20 5,660 5/31/82 6/2/82 44 7,400 6/1/82 6/2/82 55 9,560 6/2/82 6/11/82 146 340 17,900 6/9/82 6/24/82 49 311 14,700 6/17/82 6/24/82 28 216 11,400 6/23/82 813/82 26 164 12,400 6/29/82 8/18/82 41 321 10,700 7n/82 8/3/82 20 100 .___~,I~ 71-13182 813182-~----132-.2~6---·8,880 7/20/82 8/18/82 148 226 8,400 7/28/82 8/18/82 272 14,200 813/82 8/18/82··49 180 8,980 8/10/82 8/26/82 53 212 6,980 8/17/82 8126/82 82 198 6,230 .8124/82 9/14/82 68 263 5,920 8/31/82 9/14/82 37 276 9,120 9120/82 10/12/82 34 301 14,800 ..I ~] j ,c-l-. I I 1 I 1 TABLE E.2.2.36:Summary statistics for habitat variables recorded on the Susitna River between the Chulitna River confluence and Devil Canyon,May 18 to September 25,1983. Auto- Correl- Min Max Mean Std.Dev n ation n Discharge (ft 3 /sec)!/10,500 36,000 21,964 4965.4 106 0.87 104 Water temperature (OC)£/0.0 14.5 10.2 2.8 106 0.92 104 Turbidity (NTU)13 560 167 119.6 105 0.93 104 a/USGS provisional data on Susitna River at Gold Creek,1983,Gage No.15292000.~/ADF&G data at Talkeetna Station downstream migrant traps,1983. SOURCE:(ADF&G 1984g) i:; TABLE E.2.2.37:Summary statistics for habitat variables recorded on the Susitna River between the Chulitna River confluence and Devil Canyon, May 14 through October 6,1984. Min Max Mean Std.Dev n Discharge (ft3/sec)~/b 6,780 52,000 19,405 8,160.0 146 Water Temperature (OC)_/2.0 13.5 8.8 3.0 145 Turbidity (NTU)13 400 115 92.0 145 ~/USGS .provisiona1 data at Gold Creek,1984. ~/ADF&G data at Talkeetna Station outmigrant traps,1984. SOURCE:(ADF&G 1985a) j i I ! :l :( TABLE E.2.2.38:SIGNIFICANT ION CONCENTRATIONS Ranges of Concentrations (mg/l) Bicarbonate (alkalinity) Chloride Sulfate Calcium (dissolved) Magnesium (dissolved) Sodium (dissolved) Potassium (dissolved) Upstream of Project l Downstream of Project 2 Summer Winter Summer Winter 39 -81 57 -161 23 -87 46 -88 1.5 -11 16 -30 1.2-15 5.7 -35 2 - 31 11 -39 1 -31 10 -38 13 -29 25 -51 10 -37 18 -39 1.1 -6.4 3.8 -16.0 1.2 -7.8 3.2 -10.0 2.1 -10.0 6.3 -23.0 1.8-10 4.9 -21.1 1.3 -7.3 2.0 -9.0 0.9 -4.4 1.2 -5 Notes:1 =Denali and Vee Canyon 2 =Gold Creek,Sunshine and Susitna Station Source:USGS &R&M TABLE E.2.2.39:LAKES POTENTIALLY IMPACTED BY ACCESS ROADS AND/OR TRANSMISSION LINES Lake Deadman Lake Big Lake Unnamed Lake, NW of Deadman Creek .Unnamed Lake east of Tsusena Butte Lake complex near Watana camp at MP 41 Fog Lakes Swimming Bear Lake High Lake Mermaid Lake ~Unnamed···bake"""~ complex Location Sec.13 &14,T22S,R4W, Fairbanks,Meridian Sec.19 &20,T22S,R4W; Sec.25,T22S,R4W; Fairbanks Meridian Sec.25,T22S,R5W Fairbanks,Meridian Sec.21,T33N,R5E, Seward Meridian Sec.15,16,&21, T32N,R5E,Seward Meridian T31N,R5E &R6E, Seward Meridian Sec.4,T32N,R3E, Se\'(ard Meridian Sec.20,T32N,R2E, Seward Meridian Sec.25,T32N,RIE, Seward Meridian Sec 0;15,-16-,21;'22"&:28-;"· T32N,RIE,Seward Meridian Impacts Increased access from Watana access . road near MP 27 Increased access from Watana access road near MP 28;Location of proposed campground (see Chapter 7 of Exhibit E) Increased access from Watana access road near MP 27 Increased access from Watana access road near MP 32 Impact from location of camp; water quality Increased access by road across to Watana Dam;potential development by Native Corporation Increased access from Devil Canyon access road near MP 18 Increased access from Devil Canyon access road near MP 28 Increased access from Devil Canyon access road near MP 29;Location of proposed campground (see Chapter 7 of Exhibit E) -I nc reasedacce ss-from--OevIfCanyon access road near MP 31 .1 'j J j TABLE E.2.2.40:STREAMS AND SLOUGHS TO BE PARTIALLY OR COMPLETELY INUNDATED BY yIAGE I WATANA RESERVOIR (EL 2,000) (Page 1 of 2) Approximate21 Length of Stream Susitna Elevation to be River Mile at Mouth Inundated Stream at Mouth (ft.msl)(miles) 1.unnamed 236.0 2,140 0.0 2.unnamed 233.8 2,055 0.0 3.Oshetna River 233.5 2,050 0.0 4.unnamed 232.7 2,040 0.0 I 5.Goose Creek 231.2 2,030 0.0 6.unnamed 230.8 2,025 0.0 7.unnamed 229.8 2,015 0.0 8.unnamed 229.7 2,015 0.2 9."unnamed 229.1 2,010 0.0 10.unnamed 228.5 2,000 0.0 11.unnamed 228.4 2,000 0.0 12.unnamed 227.4 1,980 0.0 13.unnamed 226.8 1,970 0.2 14.unnamed 225.0 1,930 0.1 15.unnamed 224.4 1,920 0.1 16.unnamed 221.5 1,875 0.5 17.unnamed 220.9 1,865 0.2 18.unnamed 219.2 1,845 0.6 I 19.unnamed 217.6 1,830 0.3 I 20.unnamed 215.1 1,785 0.2 I 21-unnamed 213.2 1,760 0.2 22.unnamed 213.0 1,755 0.3 I 23.unnamed slough 212.2 1,750 0.3 (entire 212.1 1,750 length 24.unnamed 0.2 25.unnamed slough 212.0 1,750 0.5 (entire length) 26.unnamed 211.7 1,745 0.2 27.unnamed 210.2 1,720 0.4 28.unnamed slough 208.7 1,705 0.3 (entire length) 1 29.Jay Creek 208.6 1,700 2.0 1 30.unnamed slough 208.0 1,695 0.4 (entire )length) 31.unnamed 207.3 1,690 0.6 (entire I length) 32.unnamed 207.0 1,685 0.6 I 33.Kosina Creek 206.9 1,685 2.5I34.unnamed slough 205.7 1,670 0.5 (entire length) I 35.unnamed 205.0 1,665 0.3 (entire unnamed length) J 36.204.9 1,665 0.4 (entire length) ! 37.unnamed 203.9 1,655 0.4 38.unnamed 203.4 1,650 0.5 (entire 1,635 length) 39.unnamed 201.8 0.5 40.unnamed slough 200.9 1,630 0.2 (entire length) 41.unnamed 200.7 1,625 0.5 42.unnamed 198.7 1,610 0.5 43.unnamed 198.6 1,605 0.4 I 44.unnamed 197.9 1,600 0.4 45.unnamed 197.1 1,595 0.5 46.unnamed 196.7 1,590 0.4 47.unnamed 196.2 1,585 1.7 48.unnamed ~.1.7:;>.0 .l.,JOU .. TABLE E.2.2.40 (Page 2 of 2)l/ ApproximateY Length of Stream Susitna Elevation to be River Mile at Mouth Inundated Stream Name at Mouth (ft.msl)(miles) 49.unnamed 195.2 1,575 0.9 50.unnamed 194.9 1,560 1.2 51.Watana Creek 194.1 1,560 6.6 (longest fork) 51A.Delusion Creek --1,700 1.2 (tributary to Watana Creek) 52.unnamed slough 193.6 1,565 0.4 (entire length) 53.unnamed 192.7 1,550 1.1 54.unnamed 192.0 1,545 2.6 55.unnamed 190.0 1,530 0.2 56.unnamed 187.0 1,505 0.4 57.unnamed 186.9 1,505 1.4 58.Deadman Creek 186.7 1,500 1.4 ...,_•....•"_......... l/See Figure E.2.2.144 for locations of affected water bodies 2./The elevations at the mouths were approximated from USGS 1:63,360 topographic quadrangle maps.A control survey,conducted by R&M Consultants (1981a,1982c),identlfied several possible inaccuracies in the USGS contours along the length of the reservoir.Thus,there are four unnamed streams on the USGS maps which would appear to be inundated at their mouths but may actually.be above the uPl?er~!J!:1 oftbel'eservoiras-surveye-d ~-------_.-. TABLE E.2.2.41:STREAMS AND SLOUGHS TO BE PARTIALLY OR COMPLETELY l! INUNDATED BY STAGE II DEVIL CANYON RESERVOIR (EL 1,455) Length Approximate of Stream Susitna Elevation to be River Mile at Mouth Inundated Stream Name at Mouth (ft.msl)(miles) 1.Tsusena Creek 181.9 1,450 0.2 2.unnamed (Bear Creek)181.2 1,440 0.2 3.unnamed slough 180.1 1,430 0.6 (entire length) 4.unnamed 179.3 1,420 0.1 5.unnamed slough 179.1 1,420 0.2 6.unnamed slough 177.0 1,385 0.1 7.Fog Creek 176.7 1,380 1.0 8•.unnamed 175.3 1,370 0.6 9.unnamed 175.1 1,365 0.1 10.unnamed 174.9 1,360 0.1 11.unnamed 174.3 1,350 0.3 12.unnamed slough 173.9 1,345 0.1 (entire length) 13.unnamed 173.9 1,345 0.4 14.unnamed 173.0 1,335 0.1 15.unnamed 173.0 1,335 0.2 16.unnamed 172.9 1,330 0.2 17.unnamed slough 172.2 1,350 2.0 (entire length) 17A.unnamed (tributary to slough)--1,350 0.2 17B.unnamed (tributary to slough)--1,350 0.1 18.unnamed slough 172.0 1,320 0.5 (entire length) 19.unnamed slough 171.5 1,315 0.8 (entire length) 19A.unnamed (tributary to slough)--1,320 0.1 19B.unnamed (tributary to slough)--1,320 0.1 20.unnamed slough 171.5 1,315 0.2 (entire length) 21.unnamed 171.4 1,315 0.1 22.unnamed 171.0 1,310 0.6 23.unnamed slough 169.5 1,290 0.7 (entire length) 24.unnamed 168.8 1,280 0.2 25.unnamed slough 168.0 1,265 0.2 (entire 166.5 1,235 length) 26.unnamed 0.6 27.unnamed 166.0 1,230 0.2 28.unnamed 164.0 1,200 0.2 29.unnamed 163.7 1,180 0.2 30.Devil Creek 161.4 1,120 1.4 31.unnamed 157.0 1,030 1.3 32.unnamed 154.5 985 0.4 33.unnamed (Cheechako Creek)152.4 950 1.6 l!See Figure E.2.145 for locations of affected water bodies. TABLE E.2.2.42:STREAMS AND SLOUGHS TO BE PARTIALLY OR COMPLETELY Y INUNDATED BY STAGE III WATANA RESERVOIR (EL.2,185) (Page 1 of 2) Total Length Total Length Approximatel! of Stream of Stream to be to be Susitna Elevation Inundated by Inundated by River Mile at Mouth Stage III Stages I and II,! Stream at Mouth (ft.msl)(miles)(miles) 1.unnamed 236.0 2,140 0.1 0.1 2.unnamed 233.8 2,055 0.3 0.3 3.Oshetna River 233.5 2,050 2.0 2.0 4.unnamed 232.7 2,040 0.2 0.2 5.Goose Creek 231.2 2,030 1.2 1.2 6.unnamed 230.8 2,025 0.2 1,2 7.unnamed 229.8 2,015 0.3 0.2 8.unnamed 229.7 2,015 0.2 0.3 9.unnamed 229.1 2,010 0.1 0.2 10.unnamed 228.5 2,000 0.1 0.1 11.unnamed 228.4 2,000 0.1 0.1 12.unnamed 227.4 1,980 0.1 0.2 13.unnamed 226.8 1,970 0.4 0.1 14.unnamed 225.0 1,930 0.3 0.6 15.unnamed 224.4 1,920 0.1 0.4 16.unnamed 221.5 1,875 0.5 0.2 17.unnamed 220.9 1,865 0.1 1,0 18.unnamed 219.2 1,845 0.6 0.5 19.unnamed 217.6 1,830 0.2 0.3 20.unnamed 215.1 1,785 0.1 0.4 21.unnamed 213.2 1,760 0.2 0.6 22.unnamed 213.0 1,755 0.3 0.3 23.unnamed slough 212.2 1,750 0.3 (entire length 24.unnamed 212.1 1 750 0.1 0.3 25.unnamed slough 212.0 1~750 _.__..__11.2 (entire length) 26.unnamed 211.7 1,745 0.1 0.3 27.unnamed 210.2 1,720 0.3 0.7 28.unnamed slough 208.7 1,705 0.3 (entire length) 29.Jay Creek 208.6 1,700 1.2 3.2 30.unnamed slough 208~0 1,695 0.4 (entire length) 31.unnamed 207.3 1,690 0.9 (entire length) 32.unnamed 207.0 1,685 0.4 1.0 33 •.....Kosina-Creek··········..·-206.9·-·1,685 ,--.-1,7 .---."-----_.~"'.._.•.._...,~1-4~2 .. -~---_...-_.•._.•.._-_..-._----.-.----.- 34.unnamed slough _205.7_~-_._1,_6_'W__-_.__._-~.------~--~-----Q-.--!J--(-ent-i-re-- length 35.unnamed 205.0 1,665 0.2 0.5 (entire length) 36.unnamed 204.9 1,665 0.4 (entire length) 37.unnamed 203.9 1,655 0.3 0.7 38.unnamed 203.4 1,650 0.5 (entire 0.8-••· length) 39.unnamed 201;8 1,635--0.3 40.unnamed slough 200.9 1,630 0.2 (entire length) 41.unnamed 200.7 1,625 0.5 1.0 42.unnamed 198.7 1,610 0.2 0.7 43.unnamed 198.6 1,605 0.2 0.6 44.unnamed 197.9 1,600 0.2 0.6 45.unnamed 197.1 1,595 0.2 0.7 46.unnamed 196.7 1,590 0.3 0.7 47.unnamed 196.2 1,585 1.3 1.0 48.unnamed 195.8 1,580 1.4 1.1 j J ] ] ) I TABLE E.2.2.42 (Page 2 of 2)21 Length Total Length APproximatel! of stream of Stream to be to be Susitna Elevation Inundated by Inundated by River Mile at Mouth Stage III Stages I and III Stream Name at Mouth (ft.msl)(miles)(miles) 49.unnamed 195.2 1,575 0.4 1.3 (entire length) 50.unnamed 194.9 1,560 0.5 1.7 51.Watana Creek 194.1 1,560 3.4 (longest 10.0 (longest fork)fork) 51A.Delusion Creek --1,700 0.7 1.9 (tributary to Watana Creek) 52.unnamed slough 193.6 1,565 0.0 0.4 (entire length) 53.unnamed 192.7 1,550 0.4 1.5 (entire length) 54.unnamed 192.0 1,545 1.3 (longest 3.9 (longest fork)forK) 55.unnamed 190.0 1,530 0.3 0.5 56.unnamed 187.0 1,505 0.3 0.7 57.unnamed 186.9 1,505 1.3 1.7 58.Deadman Creek 186.7 1,500 0.9 2.3 l!The elevations at the mouths were approximated from USGS 1:63,360 topographic quadrangle maps.A control survey,conducted by R&M Consultants (1981a,1982c),identified several possible inaccuracies in the USGS contours along the length of the reservoir.Thus,there are four unnamed streams on the USGS maps which would appear to be inundated at their mouths but may actually be above the upper end of the reservClir as surveyed. 11 See Figure E.2.2.146 for locations of affected water bodies TABLE E.2.2.43:DOWNSTREAM TRIBUTARIES POTENTIALLY IMPACTED BY PROJECT OPERATION11 Name River Mile Bank of Susitnall Reason for Concern Type of Assessment11 Potential Impact Forecasted~../) Portage Creek 148.9 RB fish access 2 1 Jack Long Creek 144.8 LB fish access 1 3 Indian River 138.5 RB fish access 2 2 Gold Creek 136.7 LB fish access 2 1 unnamed 132.0 LB Railroad (RR)1 6 4th of July Creek 131.0 RB fish access 2 1 Sherman Creek 130.9 LB RRlfish access 2 2 unnamed 128.5 LB Railroad 1 6 unnamed 127.3 LB Railroad 1 5 Skull Creek 124.7 LB Railroad 2 7 unnamed 123.9 RB fish access 1 3 Deadhorse Creek 121.0 LB fish access 2 1 Little Portage Creek 117.8 LB Railroad 2 6 Gash Creek 111.7 LB RR/fish access 1 6.4 unnamed 110.1 LB Railroad 1 5 Whiskers Creek 101.2 RB fish access 1 4 11 See Sections 2.5.2 and 4.1.3 (f).Mitigation measures are discussed 1n Chapter 3. 11 Referenced by facing downstream (LB =left bank,RB =right bank). 11 Type of Assessment:1)Visual -bed material size not available 2)Comparison of transportable size vs.bed material size. ___~LPotential Impact 1.Potential fish-access-problems-Tesslikel:y Enan-f6rcategt:rry2since-tributary be d ma te r ia I sma Her man size -tra-n-s-po-r-t;~rb-l-e-by-mai.,rstem-.--~-~---_·_··· 2.Potential fish access problems more likely than for category 1 until tributary adjusts.Tributary bed material larger than size transpo.rtable by mainstem. 3.No data on tributary bed material.Visual assessment indicates potential for fish access problem for a period until tributary adjusts. 4.No data on tributary bed material.Visual assessment indicates no potential fo fish excess·problem. 5.Visual asssessment indicates potential for limited scour at RRbridge, potentially limited by geologic .features~Depth of RR foundation may exceed scour depth. 6.Visual assessment indicates no potential for scour endangering RR bridge. 7.Comparison of tributary bed material size to transportable size by mainstem indicates potential for limited scour at bridge. j J J ] ) ] J J Table E.2.2.44:SUMMARY OF SURFACE WATER AND GROUND WATER APPROPRIATIONS TownshlD Grid Surface Water ADDroDrlatlon Ground Water Aooroorlatlon Eaulvalent Flow Rates Eaulvalent Flow Rates cfs ac-ft/vr cfs ac-ft/vr Susltna 0.153 50.0 0.0498 16.3 Flsh Creek 0.000116 0.02100 0.00300 2.24 WI "ow Creek 18.3 5,660 0.153 128 Little Willow Creek 0.00613 1.42 0.00190 1.37 Montana Creek 0.0196 7.85 0.366 264 Chunllna'0.00322 0.797 0.000831 0.601 Sus I tna Reservo II'"0.0046'3.36 -- Chullna (Chunllna)--0.00329 2.38 Kroto-Trapper Creek 0.0564 10.7 -- Kahiltna 125 .37,000 -- Ventna 0.00155 0.565 .-- Skwentna 0.00551 1.90 .0.000775 0.560 Source:Ow Ight 1981 Table E.2.2.45:WA TER RIGHT APPROPRIATIONS ADJACENT TO THE SUSITNA RIVER ADL Number 45156 43981 78895 200540 209233 200180 200515 206633 206930 206931 206929 206735 Type C.-r1'If I ea1'e single fallll'Y aweiling general crops Cer1'lflea1'e single fl!llRlly awe I ling Cer1'If Ieate single fallll'Y aweiling grad.school fire sTation Cert If Ieat. slngl.falilly awe"Ing lawn &garden Ir,-Igatlon single f8ll"Iy dw."'ng slnglefemlly dwelling single fa.lly dwelling slngl.femlly dwelling Pormlt general crops PermIt single fally dwelling Source (Depth) we II (unknown) n n well (90 ft) well (20 f1') well (27 f1') ••11 (34 f1') unnamed stl"8l!lIR n " unnamed s1'I"8l!lIR unnamed lake unnamed lak. unnetll8d lake unnamed creek unnamed STream AmounT 650 gpd 0.5 ac-ft/yr 500 gpd 500 gpd . 990 gpd 500 gpd 200 gpd 100 gpd 500 gpd 75 gpd 250 gpd 250 gpd 1 ac-f1'/yr 250 gpd Days Of Use 365 91 365 365 334 365 365 153 365 365 365 365 153 365 Source::DwighT 1981 209866 Pendla! slngl.e fallyeiling Sherlll8n Creek tawnand ga ...den II"'I"Jga1'Jon-"".. 75 gpd 50gpd~ 365 183 .1 TABLE E.2.2.46:SUSITNA HYDROELECTRIC PROJECT PRIMARY ACTIVITIES FOR BOATS EXITING THE SUSITNA RIVER AT THREE LOCATIONSll Main Susitna Landin2 Willow Creek Talkeetna Activity Boats Percent-I Boats Percent1./Boats Percentl1 Sport Fishing 1585 60 342 60 159 39 Trapping 2 0 1 0 0 0 Hunting 39 2 32 6 1 0 Commercial Fishing 3 0 1 0 0 0 Commercial Supply 27 1 2 0 0 0 Private Supply 293 12 32 6 14 4 Transportation 228 10 56 10 59 15 Camping 17 1 3 1 1 0 Sight Seeing 44 2 16 3 27 7 Susitna Study 24 1 2 0 54 14 Other Activity 72 3 26 5 0 0 TOTALS 2334 92 513 91 315 79 11 The numbers presented are estimates of total boating use projected an ADF&G survey of boat operators departing the Susitna River during the months of May through September,1984. II Percentages adding up to less than 100 reflect no response from some operators and the result of rounding off percentages to the nearest digit Source:ADF&G 1985c. TABLE E.2.2.47 1 BOATS WITH NAVIGATIONAL PROBLEMS BY EXIT LOCATION,1984a 1 [Debris Bars Rocks VelocityIiBoats%Boats %Boats %Boats % Exit Month/Tota1 With With Total With With Total With With Total With With Location Season I ,B6a ts Prob Prob Boats Prob Prob Boa ts Prob ProbBoatisProbProb1,-, I Susitna May 40;6 63 16 i406 17 4 407 8 2 407 47 12 Jun 89 i8 149 17 1898 83 9 898 103 11 890 16 2 Jul 4 2i7 16 4 1429 40 9 427 19 4 427 3 1 Aug 352 19 5 :348 44 13 348 11 3 347 0 0 Sep 499 12 2 502 96 19 500 54 11 496 4 1 Overall 2 ,\58~259 10 2,i583 280 11 2,580 195 8 2,567 70 3 Kings I i 214 15 1 ,~01 105 7 1,401 114 8 1,393 63 51'i00OtherFish1,181 44 4 1 ,[181 174 15 1,178 80 7 1,172 6 1 Talkeetna Jul 188 1 1 :188 13 7 189 27 14 188 13 7 Aug 146 0 °146 0 0 146 0 0 146 0 0 Sep 64 1 2 164 2 3 64 2 3 64 1 2 I : 398OverallB982 1 15 4 399 29 7 398 14 4 I \ Other Fish i I ~97 15 14 4r97,2 1 4 398 29 7 397 Willow I : 233 244 1Jul2244 2 7 3 223 6 3 1 i ' 222Aug2242812 63 28 219 51 23 217 0 0 I I Sep 122 7 6 122 20 16 124 17 14 122 2 2 I IOverallpq397567 90 16 566 74 13 563 3 1 Other Fish I ; 552555397 89 16 551 72 13 548 3 1 I I I: I i ! a Th~num~ers presented ar~estimat~s.Sincel a single bo~t may have had several different nav1gatlOnai problems dUl!"10;g a tr1p,the suiii'of boats w1th problems overall problem groups may not represent \th1e number of uniqie boats with problems. Source:ADEC 1985 ~.._--' TABLE E.2.2.48:TEMPORAL SALINITY ESTIMATES FOR SELECT COOK INLET LOCATIONS Location II Conditions I Oct I Nov I Dec I Jan I Feb I Mar I Apr I May I Cook 101et iI Pre-Projeot 1 9,949 1 12,B56 1 15,153 1 16,937 1 IB,543 I 19,942 1 20,976 1 15,6991 9,729 I 6,592 I 5,792 I 7,231 near the I Stage III Watana Filling I I I I I I I I I Susitna Rive I (WY 2008)I 10,330 I 13,151 I 15,411 I 17,159 I 18,734 I 20,107 I 21,133 I 16,439 I 11,071 I 7,588 I 6,508 I 7,836 Mouth I Stage III Watana Operation I 10,080 I 12,539 I 14,374 I 15,930 I 17,355 I 18,617 I 19,612 I 15,475 I 10,393 I 7,206 I 6,252 I 7,616 (Node j127)I (WY 2008)I I I I I I I I I Stage III Watana/Devil I 10,093 I 12,498 I 14,313 I 15,825 I 17,188 I 18,451 I 19,500 I 15,570 I 10,484 I 7,248 I 6,290 I 7,609 Canyon Operation I I I I I I I I I I Center of I Pre-Project I 21,868 I 22,911 I 23,921 I 24,813 I 25,591 I 26,263 I 26,824 I 26,788 I 25,388 I 22,912 I 21,174 I 21,072 Cook Inlet I Stage III Watana Filling I 22,100 I 23,102 I 24,077 I 24,942 I 25,698 I 26,352 I 26,900 I 26,910 I 25,742 I 23,476 I 21,738 I 21,545 near East I (WY 2008) Foreland I Stage III Watana Operation I 22,048 I 22,995 I 23,900 I 24,704 I 25,411 I 26,028 I 26,548 I 26,537 I 25,345 I 23,107 I 21,442 I 21,315 (Node jJl2)I (WY 2008) Stage III Watana/Devil I 22,050 I 22,992 I 23,891 I 24,688 I 25,385 I 25,995 I 26,514 I 26,519 I 25,354 I 23,128 I 21,465 I 21,326 Canyon Operation I I I I I I I I I I I I Mouth of I Pre-Project I 29,109 I 29,496 I 29,727 I 29,893 I 30,037 I 30,158 I 30,239 I 29,816 I 29,000 I 28,270 I 28,112 I 28,567 Cook Inlet I Stage III Watana Filling I 29,160 I 29,529 I 29,754 I 29,916 I 30,056 I 30,173 I 30,253 I 29,878 I 29,164 I 28,435 I 28,254 I 28,676 (Node jJl)I (WY 2008) Stage III Watana Operation I 29,127 I 29,472 I 29,673 I 29,828 I 29,965 I 30,080 I 30,161 I 29,798 I 29,076 I 28,359 I 28,190 I 28,625 (WY 2008) Stage III Watana/Devil I 29,128 I 29,468 I 29,667 I 29,821 I 29,954 I 30,070 I 30,155 I 29,806 I 29,085 I 28,364 I 28,196 I 28,624 Canyon Operation I I I I I I I I I I I I I I I I I I I I I I Ceot,r of /I Pre-Projeot I 8,916 I 10,616 I 12,659 I 14,681 I 16,522 I 18,158 I 19,551 I 19,442 I 16,083 I 12,100 I 9,263 I 8,301 Turnagain A m I Stage III Watana Filling I 9,262 I 10,951 I 12,963 I 14,951 I 16,760 I 18,365 I 19,732 I 19,677 I 16,541 I 12,752 I 9,931 I 8,928 (Node II 55)I (WY 2008)I I I I I I I Stage III Watana Operation I 9,212 I 10,810 I 12,665 I 14,466 I 16,108 I 17,573 I 18,834 I 18,772 I 15,782 I 12,171 I 9,508 I 8,601 (WY 2008) Stage III Watana/Devil I 9,216 I 10,809 I 12,652 I 14,436 I 16,054 I 17,495 I 18,745 I 18,712 I 15,776 I 12,192 I 9,534 I 8,623 Canyon Operation I I I I I I I I I I I I I I I I I I I I I I I Center of I Pre-Project I 3,675 I 6,538 I 9,252 I 11,610 I 13,657 I 15,446 I 16,550 I 11,970 I 1,923 I 325 I 400 I 1,248 Knik Arm I Stage III Watana Filling I 3,834 I 6,754 I 9,482 I 11,832 I 13,862 I 15,630 I 16,710 I 12,119 I 2,008 I 350 I 437 I 1,355 (Node jl 46)I (WY 2008) Stage III Watana Operation I 3,807 I 6,658 I 9,260 I 11,445 I 13,318 I 14,950 I 15,939 I 11,540 I 1,913 I 335 I 421 I 1,312 (WY 2008) Stage III Watana/Devil I 3,809 I 6,658 I 9,249 I 11,422 I 13,276 I 14,885 I 15,862 I 11,502 I 1,916 I 337 I 422 I 1,315 Canyon Operation I Notes:1.I All concentrations are reported in mg/l and represent end of the month salinity estimates. 2.Nodes correspond to computer simulation locations. 3.Modeling undertaken for 2-Stage Project is applicable to 3-Stage Project. Source:RMA 1983 TABLE E.2.2.49:ESTIMATED LOW AND HIGH FLOWS AT ACCESS ROUTE STREAM CROSSINGS 0.8 0.6 0.5 2.4 1.8 1.5 0.3 0.2 0.2 0.8 0.5 0.4 5.5 3.8 3.4 4.9 3.5 3.1 3.0 2.1 1.9 13.2 9.3 8.2 I 130-Day Minimum Flow 'Recurrence Interval ] .] 50 44 96 248 211 51 354 767 374 35 25 78 205 42 299 315 661 177 24 10 228 29 217 54 147 127 488276 64 121 I /Peak Flows (cfs)2 IRecurrence Interval rs) / /25 / 1 74 / /I 10 / I 113 I 1115 /780 1309 1744 2000 1 -/-199-"369~50d-597', I / 1, /162 304 418 497 I 20 3.4 17 ·4.·2· 10 3.9 19 4.8 2 5.4 26 6.7 Draina e Basin / / ~erali ~i~hwg~to I (a ana a p gment ,I Lily Creek ,3 /3.7 /I Seattle Creek /6 ,11.1,I Seattle Creek I , Tributary ,8 ,1.5,I Seattle Creek ,, Tributary I 9 /2.7,I Brush kana Creek /12 I 22.0 I , Brush kana Creek /I Site /14 /21.0 // Upper Deadman , , Creek /20 I 12.1 /, Deadman Creek I I Tributary I 28 1 54.5,I Watana to Devil I / Canyon Segment / / 1 1 Tsusena8reek-I 2.5 /126.6 /1 Q~yil Creek _I _~22~..L31.0.,/ Devil Canyon to /1 Gold Creek Railroad I I Segment ,, I 3 , Gold Creek I 0.2 I 25.0 I 1 11 Minimum flows estimated from the following USGS regre~~~<:J.I1~eguatio.'"l-JF:r1313~hey and Scully 1980).--'~~~-~-) } =minimum flow (cfa)=number of days=recurrence interv~l (yrs)=drainage area (mi )=area of lakes and ponds (percent)=mean minimum January air temperature (OF) =coe fficients where:M d rt A LP J a,b,c M .A!J(LP~··.···l·)·~····(J .-.·lO·)·d~..~.._-_._-.._-'~'-_..'.'.'.-.---'-~_.-__~_..··_-_·--=···a '1'.+ d,rt _._~.:........_._..___~__._~__...__._..~. _.~-_._._--~~~~~_.~.....----~-----_..~. ZlPeak flows estimated from the following USGS regression equation (Fre13they and 1980)• bedQt=aA (LP +1)P where:Q =annual peak discharge (cfs) t =recurrence interval (yrs) A =drainage area (mi 2 ) LP =areas of lakes and ponds (percent) P =mean annual precipitation (in) a,b,c,d =coefficients ~Railroad mile location. "._.,.~::--.-~•...._~-'----->~.~.__.,---~~....~-----_......_.-"~- TABLE E.2.2.50:AVAILABLE STREAMFLOW RECORDS FOR MAJOR STREAMS CROSSED BV TRANSMISSION CORRIDOR Transmission Line Period of DrainagyAreal! Crossingaf70m Mean Annu:J; USGS Gage Continuous .Gag Streamflo Shea Name Description USGS Number Record (mi )(approx.)(cfs) Ancho aqe-Willow Seqment Litt 1~Susitna Riv er Near Palmer 15290000 1948-present 61.9 35 mi.dis 206 Willo 'Ii Creek Near Willow 15294005 1978-present 166 7 mi.dis 472 FairlJ anks-Healv Seqment Nenar a River 4/1 Near Healy 15518000 1950-1979 1,910 2 mi.dis 3,506 Nenar a River 412 Near Healy 15518000 1950-1979 1,910 20 mi.dis 3,506 Tanar a River At Nenana 15515500 1962-present 15,600 5 mi.u/s 23,460 Will w-Healy Intertie Talk etna River Near Talkeetna 15292700 1964-present 2,006 5 mi.dis 4,050 Susi na River At Gold Creek 15292000 1949-present 6,160 5 mi.u/s 9,647 Indi n River -----82 15 mi.u/s -- LF.Chulitna Chulitna River 15292400 1958-72,1980-2,570 40 mi.u/s 8,748 Ri Iter near Talkeetna present M.F.Chulitna Chuli tna River 15292400 1958-72,1980-2;570 50 mi.u/s 8,748 Ri ver near Talkeetna present Nena 1a River Near Windy 15516000 1950-56,1958-73 710 5 mi.u/s -- Vane Irt Fork ----N/A 1 mi.u/s -- Heal ~Creek ------N/A 1 mi.u/s -- Wata na-Gold Creek SeQment Tsus ena Creek -----149 3 mi.u/s -- Dev·1 Creek ------71 9 mi.u/s -- Sus·tna River At Gold Creek 15292000 1949-present 6,160 13 mi.u/s 9,647 1/Areas for ungaged streams are at the mouth.. 1/dis =downstream,u/s =upstream.Distances for ungaged streams are from the mouth.lJ Averages determined through the 1980 water year at gage sites. TABLE E.2.3.1:RESERVOIR OPERATION LEVEL CONSTRAINTS Normal Normal Minimum Maximum 50-year Water Water Flood Surface Surface Surcharge Reservoir Elevation Elevation Elevation (ft,ms!)(ft,ms!)(ft,ms15 Watana Stage I 1,850 2,000 2,014 Devil Canyon Stage II 1,405 1,455 1,456 Watana Stage III 2,065 2,185 2,193 I .' . J )~j 1 I J .J 1j 1 ) ] :~ J TABLE E.2.3.2:INFLUENCE OF MAINSTEM FLOW AND WATER QUALITY ON CHARACTERISTICS OF AQUATIC HABITAT TYPES Physical Characteristics Habitat Type Hydraulic11 Hydrologic Temp.Turbidity Ice Total Mainstem (MS)4 4 4 4 4 20 Side Channel (SC)3 4 4 3 4 18 Tributary Mouth (TM)3 3 2 2 3 13 Side Slough (SS)2 2 2 2 2 10 (US)yrv-.V .;y-I fJ-1 0UplandSlough.1-"2-.\J) Tributary (T)0 0 0 0 0 0 Lake (L)0 0 0 0 0 0 o -no influence 1 -small,limited influence 2 -moderate,occasional influence 3 -moderate,frequent influence 4 -direct,extensive influence 11 Depth,velocity,wetted area,etc. TABLE E.2.3.4:PRIMARY UTILIZATION OF SENSITIVE HABITAT TYPES BY EVALUATION SPECIES Habitat Types II,i! I Evaluation Species Chinook Salmon Chum Salmon Coho Salmon Sockeye S·almon Pink Salmon Arctic Grayling Rainbow Trout Dolly Varden Burbot Mainstem R R R R S,R Side Channel R S Side Slough R S,R S,R Tributary Mouth R R R S -spawning/incubation R -rearing 'I TABLE E.2.3.5:STANDARD WATER WEEKS FOR ANY WATE~YEAR N FROM TO FROM TO !1 WEEK WEEK NUMBER day month year day month year NUMBER day month year day month year ,j 1 1 Oct n-l 7 Oct n-l 27 1 Apr 7 Apr \1n'n 2 8 Oct n-l 14 Oct n-l 28 8 Apr n 14 Apr n 3 15 Oct n-l 21 Oct n-l 29 15 Apr n 21 Apr n 4 22 Oct n-l 28 Oct n-l 30 22 Apr n 28 Apr n 5 29 Oct n-l 4 Nov n-l 31 29 Apr n 5 May n }6 5 Nov n-l 11 Nov n-l 32 6 May n 12 May n 7 12 Nov n-l 18 Nov n-l 33 13 May n 19 May n 8 19 Nov n-l 25 Nov n-l 34 20 May n 26 May n 9 26 Nov n-l 2 Dec n-l 35 27 May n 2 Jun n J103Decn-l 9 Dec n-l 36 3 Jun n 9 Jun n 11 10 Dec n-l 16 Dec n-l 37 10 Jun n 16 Jun n 12 17 'Dec n-l 23 Dec n-l 38 17 Jun n 23 Jun n 'j1324Decn-l 30 Dec n-l 39 24 Jun n 30 Jun n 14 31 Dec n-l 6 Jan n 40 1 Jul n 7 Jul n 15 7 Jan ,n 13 Jan n 41 8 Jul n ...c 14 Jul n 16 14 Jan n 20 Jan n 42 15 Jul n 21 Jul n 11721Jann27Jann4322Juln28Juln 18 28 Jan n 3 Feb n 44 29 Jul n 4 Aug n 19 4 Feb n 10 Feb n 45 5 Aug n 11 Aug n ')20 11 Feb n 17 Feb n 46 12 Aug n 18 Aug n 21 18 Feb n 24 Feb n 47 19 Aug n 25 Aug'n 22 25 Feb Mar.n .48 26 Aug·'n-.--..1 Sep n ')23 4 Mar n 10 Mar n 49 2 Sep n 8 Sep n 24 11 Mar n 17 Mar n 50 9 Sep n 15 Sep n 25 18 Mar n 24 Mar n 51 16 Sep n 22 Sep n \ 26 25 Mar n 31 Mar n 52 23 Sep n 30 Sep n f \ 'j 1 ,l I] ,'., I TABLE E.2.3.6:FLOW CONSTRAINTS FOR ENVIRONMENTAL FLOW REQUIREMENT CASE E-I Gold Creek Flow (cfs)Gold Creek Flow (ds) Water Water Week Minimum Maximum Week Minimum Maximum 14 2,000 14,000 40 14,000 15 2,000 14,000 41 14,000 16 2,000 14,000 42 14,000 17 2,000 14,000 43 14,000 18 2,000 14,000 44 14,000 40,000 19 2,000 14,000 45 14,000 40,000 20 2,000 14,000 46 (2)40,000 21 2,000 14,000 47 (3)40,000 22 2,000 14,000 48 14,000 40,000 23 2,000 14,000 49 12,000 14,000 24 2,000 14,000 50 10,000 14,000 25 2,000 14,000 51 8,000 14,000 26 2,000 14,000 52 6,000 14,000 27 2,000 14,000 1 6,000 14,000 28 2,000 14,000 2 6,000 14,000 29 2,000 14,000 3 5,000 14,000 30 2,000 14,000 4 4,000 14,000 31 2,000 14,000 5 3,000 14,000 32 2,000 14,000 6 3,000 14,000 33 2,000 14,000 7 3,000 14,000 34 2,000 14,000 8 3,000 14,000 35 2,000 14,000 9 2,000 14,000 36 10,000 10 2,000 14,000 37 (1)11 2,000 14,000 38 14,000 12 2,000 14,000 39 14,000 13 2,000 14,000 (1)Base minimum flow of 10,000 cfs.45,000 cfs spike;3 days up, 3 days down. (2)Base minimum flow of 14,000 cfs.23,000 cfs spike;1 day up,1 day down.· (3)Base minimum flow of 14,000 cfs.18,000 cfs spike;1 day up,1 day down. TABLE E.2.3.7:FLOW CONSTRAINTS FOR ENVIRONMENTAL FLOW REQUIREMENT CASE E-II Gold Creek Flow (cfs)Gold Creek Flow (cfs) Water Water Week Minimum Maximum Week Minimum Maximum 14 2,000 16,000 40 6,000 15 2,000 16,000 41 6,000 16 2,000 16,000 42 6,000 17 2,000 16,000 43 6,000 18 2,000 16,000 44 11,000 19 2,000 16,000 45 12,000 30,000 20 2,000 16,000 46 12,000 30,000 21 2,000 16,000 47 12,000 30,000 22 2,000 16,000 48 12,000 30,000 23 2,000 16,000 49 (2)30,000 24 2,000 16,000.50 9,000 16,000 25 2,000 16,000 51 9,000 16,000 26 2,000 16,000 52 8,000 16,000 27 2,0()Q.1 6,000 16,000 28 2,000 2 6,000 16,000 29 2,000 3 6,000 16,000 30 2,000 4 6,000 16,000 31 2,000 5 3,000 16,000 32 4,000 6 3,000 16,000 33 6,000 7 3,000 16,000 34 8,000 .-8_3,DOO.---1-6,000- 35~'----!f,OOO --9 3,000 16,000 36 10,000 10 2,000 16,000 37 10,000 11 2,000 16,000 38 (1)12 2,000 16,000 39 6,000 13 2,000 16,000 (2)Base minimum flow of 12,000 cfs.18,000 cfs spike;1 day up,1 day down. ,! J ') ) '~:) 1 I i') ) \I J ) 'I 1 J J I TABLE E.2.3.8:FLOW CONSTRAINTS FOR ENVIRONMENTAL FLOW REQUIREMENT CASE E-III Gold Creek Flow (ds)Gold Creek Flow (cfs) Water Water Week Minimum Maximum Week Minimum Maximum 14 5,000 14,000 40 14,000 15 5,000 14,000 41 14,000 16 5,000 14,000 42 14,000 17 5,000 14,000 43 14,000 18 5,000 14,000 44 14,000 19 5,000 14,000 45 14,000 20 5,000 14,000 46 14,000 21 5,000 14,000 47 14,000 22 5,000 14,000 48 14,000 23 5,000 14,000 49 12,000 24 5,000 14,000 50 10,000 25 5,000 14,000 51 8,000 26 5,000 14,000 52 6,000 27 5,000 14,000 1 6,000 14,000 28 5,000 14,000 2 6,000 14,000 29 5,000 14,000 3 6,000 14,000 30 5,000 14,000 4 6,000 14,000 31 5,000 14,000 5 5,000 14,000 32 5,000 14,000 6 5,000 14,000 33 6,000 14,000 7 5,000 14,000 .34 7,000 14,000 8 5,000 14,000 35 8,000 14,000 9 5,000 14,000 36 10,000 10 5,000 14,000 37 10,000 11 5,000 14,000 38 14,000 12 5,000 14,000 39 14,000 13 5,000 14,000 TABLE E.2.3.9:FLOW CONSTRAINTS FOR ENVIRONMENTAL FLOW REQUIREMENT CASE E-IV Gold Creek Flow (cfs)Gold Creek Flow (cfs) Water Water Week Minimum Maximum Week Minimum Maximum 14 2,000 16,000 40 9,000 35,000 15 2,000 16,000 41 9,000 35,000 16 2,000 16,000 42 9,000 35,000 17 2,000 16,000 43 9,000 35,000 18 2,000 16,000 44 9,000 35,000 19 2,000 16,000 45 9,000 35,000 20 2,000 16,000 46 9,000 35,000 21 2,000 16,000 47 9,000 35,000 22 2,000 16,000 48 9,000 35,000 23 2,000 16,000 49 8,000 35,000 24 2,000 16,000 50 7,090 35,000 25 2,000 16,000 51 6,000 35,000 26 2,000 16,000 52 6,000 35,000 27 2,000 16,000 1 6,000 18,000 28 2,000 16,000 2 6,000 17,000 29 2,000 16,000 3 5,000 16,000 30 2,000 16,000 4 4,000 16,000 31 2,000 16,000 5 3,000 16,000 32 4,000 16,000 6 3,000 16,000 33 6,000 16,000 7 3,000 16,000 34 6,000 16,000 8 3,000 16,000 35·~~6jOOO ----16,000 ·9-·_··'3-;00-0-.-T6·,-0·00 36 9,000 35,000 10 2,000 16,000 37 9,000 35,000 11 2,000 16,000 38 9,000 35,000 12 2,000 16,000 39 9,000 35,000 13 2,000 16,000 I } 1 I ) ) ,'[ \1 I 'l J . I 'J l I !TABLE E.2.3.10:FLOW CONSTRAINTS FOR ENVIRONMENTAL FLOW REQUIREMENT CASE E-IVa Gold Creek Flow (cfs)Gold Creek Flow (ds) Water Water Week Minimum Maximum Week Minimum Maximum 14 2,000 16,000 40 9,000 35,000 15 2,000 16,000 41 9,000 35,000 16 2,000 16,000 42 9,000 35,000 17 2,000 16,000 43 9,000 35,000 18 2,000 16,000 44 9,000 35,000 19 2,000 16,000 45 9,000 35,000 20 2,000 16,000 46 9,000 35,000 21 2,000 16,000 47 9,000 35,000 22 2,000 16,000 48 (2)35;000 23 2,000 16,000 49 (3)35,000 24 2,000 16,000 50 (3)35,000 25 2,000 16,000 51 7,000 35,000 26 2,000 16,000 52 6,000 35,000 27 2,000 16,000 1 6,000 18,000 28 2,000 16,000 2 6,000 17,000 29 2,000 16,000 3 5,000 16,000 30 2,000 16,000 4 4,000 16,000 31 2,000 16,000 5 3,000 16,000 32 4,000 16,000 6 3,000 16,000 33 6,000 16,000 7 3,000 16,000 34 6,000 16,000 8 3,000 16,000 35 6,000 16,000 9 3,000 16,000 36 9,000 35,000 10 2,000 16,000 37 9,000 35,000 11 2,000 16,000 38 (1)35,000 12 2,000 16,000 39 9,000 35,000 13 2,000 16,000 (1)Base minimum flow of 9,000 cfs.30,000 cfs spike;1 day up,1 day hold,1 day down. (2)Base minimum flow of 9,000 cfs.18,000 cfs spike;1 day up,1 day hold,1 day down. (3)Base minimum flow of 8,000 cfs 18,000 cfs.spike;1 day up,1 day hold,1 day down. TABLE E.2.3.11:FLOW CONSTRAINTS FOR ENVIRONMENTAL FLOW REQUIREMENT CASE E-IVb Gold Creek Flow (cfs)Gold Creek Flow (cfs) Water Water Week Minimum Maximum Week Minimum Maximum 14 2,000 16,000 40 9,000 35,000 15 2,000 16,000 41 9,000 35,000 16 2,000 16,000 42 9,000 35,000 17.2,000 16,000 43 9,000 35,000 18 2,000 16,000 44 9,000 35,000 19 2,000 16,000 45 9,000 35,000 20 2,000 16,000 46 9,000 35,000 21 2,000 16,000 47 9,000 35,000 22 2,000 16,000 48 (2)35,000 23 2,000 16,000 49 (2)35,000 24 2,000 16,000 50 (3)35,000 25 2,000 16,000 51 7,000 35,000 26 2,000 16,000 52 6,000 35,000 27 2,000 16,000 1 6,000 18,000. 28 2,000 16,000 2 6,000 17,000 29 2,000 16,000 3 5,000 16,000 30 2,000 16,000 4 4,000 16,000 31 2,000 16,000 5 3,000 16,000 32 4,000 16,000 6 3,000 16,000 33 6,000 16,000 7 3,000 16,QOO 34 6,000 16,000 8 3,000 _!iLQQ~.. 35.._--'--._--"_•.._-..6.,·OOO-_·~·-16,000···--9 ...·3·~~0-0 0 .._..16,000 36 9,000 35,000 10 2,000 16,000 37 9,000 35,000 11 2,000 16,000 38 (1)35,000 12 2,000 16,000 39 9,000 35,000 13 2,000 16,000 (1)Base ..mi nimum fl oWQf..2.,.QQ(Lcf.s •..25,.000--c fs~spi-ke;--l-·-day-up,-I--daY'··---·__··- ·····6·01 d ;-i-daY-down..---' (2)Base minimum flow of 9,000 cfs.14,000 cfs spike;1 day up,1 day hold,1 day down. (3)Base minimum flow of 8,000 cfs.14,000 cfs spike;1 day up,1 day hold,1 day down. 'I I 1 ) I 1 ') J. TABLE E.2.3.12:FLOW CONSTRAINTS FOR ENVIRONMENTAL FLOW REQUI REMENT CASE E-V Gold Creek Flow (cfs)Gold Creek Flow (cfs) Water Water Week Minimum Maximum Week Minimum Maximum 14 2,000 16,000 40 9,000 35,000 15 2,000 16,000 41 9,000 35,000 16 2,000 16,000 42 9,000 35,000 17 2,000 16,000 43 9,000 35,000 18 2,000 16,000 44 11,000 35,000 19 2,000 16,000 45 12,000 30,000 20 2,000 16,000 46 12,000 30,000 21 2,000 16,000 47 12,000 30,000 22 2,000 16,000 48 12,000 30,000 23 2,000 16,000 49 (2)30,000 24 2,000 16,000 50 9,000 16,000 25 2,000 16,000 51 9,000 16,000 26 2,000 16,000 52 8,000 16,000 27 2,000 16,000 1 6,000 16,000 28 2,000 16,000 2 6,000 16,000 29 2,000 16,000 3 5,000 16,000 30 2,000 16,000 4 4,000 16,000 31 2,000 16,000 5 3,000 16,000 32 4,000 16,000 6 3,000 16,000 33 6,000 16,000 7 3,000 16,000 34 6,000 16,000 8 3,000 16,000 35 6,000 16,000 9 3,000 16,000 36 9,000 35,000 10 2,000 16,000 37 9,000 35,000 11 2,000 16,000 38 (1)35,000 12 2,000 16,000 39 9,000 35,000 13 2,000 16,000 (1)Base minimum flow of 9,000 cfs.35,000 cfs spike;3 days up,3 days down. (2)Base minimum flow of 12,000 cfs.18,000 cfs spike;1 day up,1 day down. TABLE E.2.3.13 FLOW CONSTRAINTS FOR·ENVTRONMENTAL \ J FLOW REQUIREMENT CASE E-VI. Water Gold Creek Flow (cfs)Water Gold Creek Flow (cfs) Week Minimum Maximum Week Minimum Maximum !14 2,000 16,000 40 9,000 *35,000 -{) 15 2,000 16,000 41 9,000 *35,000 16 2,000 16,000 42 9,000 *35,000 1172,000 16,000 43 9,000 *35,000 18 2,000 16,000 44 9,000 *35,000 19 2,000 16,000 45 9,000 *35,000 1202,000 16,000 46 9,000 *35,000 21 2,000 16,000 47 9,000 *35,000 22 2,000 16,000 48 9,000 *35,000 23 2,000 16,000 49 8,000 35,000 24 2,000 16,000 50 7,000 35,000 25 2,000 16,000 51 6,000 35,000 26 2,000 16,000 52 6,000 35,000 i272,000 16,000 1 6,000 18,000 28 2,000 16,000 2 6,OQO 17,000 29 2,000 16,000 3 5,000 16,000 -J302,000 16,000 4 4,000 16,000 31 2,000 16,000 5 3,000 16,000 32 4,000 16,000 6 3,000 16,000 I336,000 16,000 7 3,000 16,000 34 6,000 16,000 8 3~000 16,000 35 6,000 16,000 9 __~,000 -"--L6-.-QOO _ 30------------9-;OOO--w--3T,0·0·0------[0--2,000 16,000 l379,000 *35-,000 11 2,000 16,000 38 9,000 *-35,000 12 2,000 16;000 39 9,000 *35,000 13 2,000 16,000 1 *Minimum summer flows are 9,000 cfs except in dry years when the minimum will be 8,000 cfs.A dry year is defined by the one-in-ten year low j I I ) 1 J TABLE E.2.3.14:ECONOMIC ANALYSIS OF ENVIRONMENTAL FLOW CASES COMPOSITE FORECAST Cumulative Cumulative Present Worth Cumulative Total Present Worth of of Differential Present Worth Rai lbelt System Costs11 Mitigation Costs of Net System Installed n (1996-2054)(1996-2054)~.I Costs (1996-2054)Capacity i Case (million 1985$)(million 1985$)(million 1985$)2025 (MW) P-l 4,811 25 4,836 2,105 A 4,813 25 4,838 2,105 E-VI 4,823 0 4,823 2,192 E-IV 4,830 0 4,830 2,192 C 5,120 11 5,131 2,279 E-V 5,490 -4 5,486 2,453 E-I 6,570 -7 6,563 2,855 11 Costs include production costs and costs for mitigation measures for E-VI flow requirements. 11 Costs represent the differences in mitigation costs between those required for E-VI and those required for the specific flow requirement. 1 j J Ultimate ,1 Project, Not Limi ted '1" by Load J Watana III and Devil Canyon II 2012 2025 Watana I and Devil Canyon II 2005 2011 SUSITNA DEPENDABLE CAPACITY AND ENERGY PRODUCTION COMPOSITE FORECAST Watana Stage I 1999 -2004 TABLE E.2.3.15: Average Energy (GWh) Firm Energy (GWh) Dependable Capacity (MW) 2390 1990 300 4200 4200 790 4750 4500 805 5130 5130 1500 6690 5720 1520 6900 5720 1620 ! J -I :? J 1 I I .( ( J \ 1 TABLE E.2.4.1:LINKED SYSTEM FOR ESTIMATING IMPACTS OF SUSITNA HYDROELECTRIC PROJECT ON WATER USE AND QUALITY PROJECT SYSTEM ENERGY DEMANDS FOR A GIVEN YEAR ~ DEVELOP ENVIRONMENTAL MINIMUM.MAXIMUM FLOWS.i I FLOW CONSTRAINTS FLOW STABILITY CONSTRAINTS 'II DEVELOP RESERVOIR RULE CURVE OR OPERATING GUIDE -.M ROUTE HISTORICAL FLOWS (34 YEARS) THROUGH RESERVOIR TO FIND WEEKLY 1.QTURBINE 2.QCV1 (to prevent spills) 3.QCV2 (to meet environmental constraints) 4.QSPILLWAY 5.RESERVOIR WATER LEVEL 6.ENERGY '1t COMPUTE NET BENEFITS BASED ON ENERGY PRODUCED 1.~IRM ENERGY CAPACITY COST 2.OPERATING COST If TABULATE WEEKLY OUTFLOWS FROM II PROJECT AND RESERVOIR WATER LEVELS .; >Jr IV .;IV '1t If TABULATE ADD INTERVENING -RUN RESERVOIR FLOW STABILITY ROUTE FLOOD FLOWS I RON IFG ! HOURLY FLOWS BETWEEN -TEMPERATURE/ICE ANALYSIS THROUGH WATANA HABITAT MODEL : OUTFLOWS PROJECT AND SUSPENDED SEDIMENT I I (SEE CHAPTER 3)i 1 GOLD CREEK PROGRAM IIIIWEEKLYAVERAGEADDINTERVENING If I WATER LEVELS FLOOD FLOWS RUN UNSTEADY COMPUTE FLOW '-"""RUN RIVER I I FLOW MODEL DURATION CURVES TEMPERATURE -EFFECTS ON FLOOD FREQUENCY AT ~AT GOLD CREEK PROGRAM GROUNDWATER AT GOLD CREEK I I UPWELLING RATES SUNSHINE. AND TEMPERATURES SUSITNA STATION TABULATE WATER MAKE RIVER RUN RIVER ICE IN HABITAT AREAS LEVEL CHANGES SEDIMENT STUDIES PROGRAM W I I IMPACTS OF IMPACTS OF TEMPERATURE AND ICE I FLUCTATING FLOWS ALTERED IMPACT ANALYSES SEDIMENTS Notes:1.QTURBINE ~discharge through turbines 2.QCV1 and QCV2 =discharge through cone values 3.QSPILLWAY =discharge over spillway TABLE E.2.4.2:SUSITNA HYDROELECTRIC PROJECT PROJECT CHARACTERISTICS USED IN PROJECT FLOW AND TEMPERATURE SIMULATIONS Simulations Flow Temperature Flow Require-......,..-------ments Average Project Energy Generation (GWH/YR)ProjectStage 1.Watana-el.2,000 II.Watana-el.2,000 Devil Canyon el.1,455 III.Watana-el.2185 Devil Canyon-el.1,455 Early Early Late Late 2,400 2,20011 4,400 4,10011 4,700 5,500 6,900 6 00011, E-VI E-I E-VI E-I E-VI E-VI E-VI E-I YES YES YES YES YES YES YES YES NO YES YES NO YES YES YES YES II Differences between energy production for Case E-I and Case E-VI for late Stage III are the result of restricted energy production due to the E-I flow requirements ) j I ,\ 1 I TABLE E.2.4.3:SIMULATION OF WATANA STAGE I FILLING Natural Flows at Watana and Gold Creek Dry Average Wet Sequence Sequence Sequence Month Watana Gold Creek Watana Gold Creek Watana Gold Creek May 8100 13000 10600 13500 12000 15000 June 18100 21800 23000 27800 26600 31600 July 16400 19100 20700 24400 24100 27800 Augu st 147UO 17400 18400 21900 21500 25200 September 8500 10400 10900 13500 12500 15100 October 3600 4500 4600 5800 5200 6500 November 1700 2100 2100 2600 2400 3000 December 1200 15UO 1500 1800 1700 2000 January 900 ,1200 1200 1500 1400 1700 February 80U 1100 1UOO 13UO 1200 1500 March 700 1000 900 1200 1000 1400 April 900 1100 1200 1400 1400 1600 Simulated Flow During Stage I Filling Case Dry Average Wet E-Vl Sequence Sequence Sequence Month Min.RequirecIl./Go Id Creek Watana Gold Creek Watana Gold Creek Watana May 4903 3903 1700 4903 2000 4903 180U June 8800 7800 4200 8800 4000 108uO 3800 July 9000 8000 52000 12700 5400 20500 5300 August 9UOO 80uO 5300 12400 54uO 155U0 5300 September 6800 5800 3900 6800 4300 6800 4200 October 5U32 4032 26UO 5032 38UO 5Q32 3700 November Natural December Natu ral January Natu ral See Note February Natural March Natural April Natu ral End of October Reservoir Water Level 1920 1960 1970 ~/Would be reduced by 1000 cfs for dry sequence. Note:The winter flows following the summer of filling were not simulated as they will depend on operations of the first two units which are scheduled to come on-line in October and January.Minimum flows will not be less than the nataral flows show~n~i~n~t~h~e~t~a~b~l~e~.__ TABLE E.2.4.4:WATER LEVEL AND DISCHARGE VARIATIONS AT RIVER MILE 130 FOR VARIOUS DAILY AVERAGE DISCHARGES AND DISCHARGE FLUCTUATIONS AT WATANA POWERHOUSE Total Total Daily lntervenujAverageDailyFluctuationTotalDailyFluctuation Daily Powerhou se as a Percent Fluctuation in Water Flow Be tweet Watana Discharge of Daily in Discharge Level at Watana and,~ Discharge Fluctuation Discharge River Mile 130 River Mile 130 River Mile 1 cfs cfs %cfs ft cfs 6,370 17U 3 60 0.0 3,330 .I 13,300 220 2 220 0.1 440 13,510 800 6 72U 0.2 360 1 31,480 3,040 10 2,830 0.8 6,210 l6,410 650 10 340 0.1 5,250 13,63U 1,21:30 9 1,180 0.3 380 6,350 l,uOO 16 630 0~2 690 6,900 1,00u 14 620 0.2 3,750 I3,820 1,000 26 370 0.3 590 6,380 1,770 28 1,250 0.4 690 6,420 1,630 25 1,180 0.4 5,250 \6,92U 2,U00 29 1,50U 0.4 3,750 13,700 3,800 28 3,610 0.4 420 "._J,~.2(,L_1,JiUt 47 -,·1,14U-3-30 j------_.._---...._.._._-- 6,500 3,070 47 2,520 0.8 5,240 6,970 3,050 44 2,410 0.7 3',740 'J TABLE E.2.4.5:FLUCTUATING WATER LEVEL -CASES ILLUSTRATED ON FIGURES E.2.4.19 THROUGH E.2.4.30 Maximum Daily Maximum Weekly Maximum Daily Average Maximum Weekly Average Daily Change in Change in Change in Case WEiekly Flow Change in Flow Discharge-Day 4 Discharge-Day 4 Water Level Water Level-Day 4 W tana Sitell Watana Sitell Watana Sitell Watana Sitell Sit ell si tell (fs)(cfs)(cfs)(cfs) (cfs)(cfs)(cfs)(cfs)(cfs)(cfs) ACB 1 150 13440 1990 2010 13510 13860 800 690 0.6 0.1 ACC 150 13500 2960 2460 13630 14010 1280 1130 0.9 0.3 ACD 160 13380 4990 5180 13700 14140 3800 3460 1.5 0.9 CBA 10 10620 990 1010 6410 10670 650 360 0.3 0.1 CCB 10 10570 2000 2030 6420 10670 1630 1220 0.5 0.3 CCD 20 10570 3120 2850 6500 10740 3070 2580 0.7 0.7 I/For c~s.es ACB,ACC and ACD the site shown in Figures E.2.4.19 through E.2.4.24 is RM 120.3. For Ca~es CBA,CCB and CCD the site shown in Figures E.2.4.25 through E.2.4.30 is RM 132.9. II Total of mainstem,side channel,side slough,upland slough and tributary mouth habitat surface areas. TABLE E.2.4.6:SURFACE AREA AT GIVEN DISCHARGE FOR VARIOUS SUSITNA RIVER DISCHARGES J 1 __22.0__-~=­ 10.7 11.3 11.1 2.0 4.8 2.4 7.7 14.3 11.7 4.9 1.0 % % Change in Surface Area For a 20% (10%(+)) Change in Flow Change in Surface Area For a 20% (10%(.:!:o)) Change in Flow (Page 1 of 2) 22.9 19.6 23.6 22.6 24.4 730 770 970 1,100 1,220 1,240 (ac res) Upland Slough Habitat Surface Area (acres) Side Channel Habitat Surface Area 3,340 3,550 3,950 4,120 4,510 5,070 2.2 5.4 29.0 19.1 13.6 NA 8.4 5.1 10.2 18.6 25.7 40.9 % % 2.5 3.6 3.0 4.8 8.7 10.1 Change in Surface Area for a 20% (10%(+)) Change-in Flow Change in Surface Area for a 20% (10%(+)) Change-in Flow 134 118 86 53 121 2,460 2,600 2,810 2,850 3,160 3,740 15.9 15.1 18.6 26.2 25.3 12.1 Change in -Surface-Area ~T-r~ibuta-~y-----f.0-r-~a~~20%---------Tot-a~l~--~-~-~----~-- Mouth (10%(+))Habitat Habitat Change-in Surface Area Flow Areall (acres)%(acres) Side Slough Habitat Surface Area (acres) Mainstem Habitat Surface Area (acres) 5,100 , 10,600 12,500 16,000 23,000 5,100 7,400 10,600 12,500 16,000 23,000 5,100 7,400 10,600 12,500 16,000 23,000 Discharge (cfs) Discharge (cfs) Discharge (cfs) TABLE E.2.4.6 (Page 2 of 2) Discharge (cfs) 5100 7400 10,600 12,500 16,000 2300 Gravel Bar Area (acres) 2520 2300 1850 1730 1420 820 Vegetated Bar Area (acres) 1950 2130 2080 1920 2010 1720 Total of Gravel Bar &Vegetated Bar Area (acres) 4470 4430 3930 3650 3430 2540 Discharge (cfs) 5100 7400 10,600 12,500 16,000 23,000 Change in Bar Area for %of Bar Area 2.9 8.2 7.2 7.2 8.9 11.5 Gravel &Vegetated 20%(lO%±)Change in Flow %of Total Habitat Surface Area 0.1 3.6 6.4 6.4 6.8 5.8 Source of Habitat Surface Areas:E.W.Trihey &Associates,1985 il: i \ I TkBLE E.2.4.7 WITH_PRfJECT WATANA MONTHLY FLOWS (CFS),STAGE I YEAR I IOCTNOVDECJ~N FEB MAR APR MAY JUN JUL AUG SEP ANNUAL !I 1951 I I488457057318633963604950 3450 3755 10118 9410 9382 16157 7310 1952 I 7950 5408 3450 4073 6944 9326 12084 11708 77887468758791988230 1953 8587 I 3123 9362 9085 12395 12118 8074781687359198795051003450 1954 7021 7587 8285 79:24 7950 5100 3450 2768 9036 9428 10639 10669 7482 1955 6587 7131 8728 79 1 24 7950 5408 3450 3433 7078 9331 22314 14000 8624 19~6 7251 7286 8728 6360 4950 3450 2939 9224 17936 19153 13293 902373\60 I1957725175879198823079505947 3450 3124 8114 8991 15769 14841 8373 19~8 7816 8433 10442 88193 7950 56~1 3450 2979 8302 9224 13937 10209 8117 195,9 5583 6161 7318 ~~~~7950 5408 3450 2819 8028 9421 15748 13694 7764 196'0 7021 7587 9198 7950 5947 3450 3428 9205 9418 9347 13544 7853 1961 7816 8073 9633 8893 7950 61~8 4312 3631 9919 9024 17524 10251 8611 I 7950 61~8 4312 3940 8652 21004 19887 13035 98481962746875879198~~~~1963 7704 7918 9582 7950 56~1 3450 3387 9432 15236 21011 U552 9316 1964 7021 7918 9147 77!l.9 6360 495;0 3450 3906 7788 18206 14048 10209 8422 7131 , 495,0 3450 3611 8984 9031 16182 16212 823119655904914777196360 1966 7931 7587 9147 7719 6360 495 1 0 3450 3356 8142 9174 11330 10321 7466 1967 6908 6852 7369 7924 6531 495:0 3450 3286 9358 U329 26021 14522 9068 1968 7021 7286 9147 7924 7950 6188 4312 3722 9401 11254 14148 10183 8218 1969 5932 , 495P 6878 6956 6961 6183 59086161 7318 6339 6360 3450 3421 1970 4405 4492 5762 4993 5009 3898 2716 3350 6559 6827 8013 7449 5292 1971 4518 6395 8177 7924 7950 5408 3450 4059 6541 9083 22165 13053 8239 1972 , 6188 4312 3631 9531 13725 17510 12329 90057021 7918 9198 8587 7950 1973 6700 7286 9147 , 495P73606360 3450 3994 7752 9284 9788 10542 7224 1974 5920 6492 7318 6339 6360 4950 3450 3375 9709 9682 7661 7390 6553 1975 4830 5705 7318 I 9420 12442 15127 13075 793963396979618843123460 1976 7816 8073 9147 73~0 6360 4950 3450 2768 8297 9437 9327 9782 7236 1977 4766 5705 7753 :~~i 7950 5947 3450 2910 8030 12023 16807 10748 7843 1978 7816 8073 9633 7950 618l;l 4312 4428 8199 9371 8883 7390 7598 1979 4604 5705 7318 6339 6360 4950 4312 4132 9458 11684 16671 10214 7659 1980 7021 8278 10500 88~3 7950 6188 4312 3737 9074 10794 17881 11038 8819 1981 7816 8735 10442 88T 7950 6188 4312 4031 10195 10242 28843 12346 10028 1982 7021 8278 , 8724 9310 9270 12083 7922963388937950 6188 4312 3460 1983 7704 7918 9198 8587 7950 6188 4312 3460 9654 9283 13565 11878 8309 I I I 10195 21004 28843 16212 10028MAX7931873510500889B7950618843124428 MIN 4405 4492 5762 499~5009 3898 2716 2768 6541 6827 6961 6183 5292 MEAN 6678 7254 8722 782?7307 549~3715 3500 8640 10787 14830 11576 8035 ---'--~'---,'~.:~ ,-------------.---------~-.~----------------"._-~---- TABLE E.2.4.B WITH-PROJECT GOLD CREEK MONTHLY FLOWS (CFS) STAGE I,WATANA (LOW)OPERATION,1996 LOAD CONDITIONS YEAR OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP ANNUAL 1951 5424 5903 7512 6487 6511 5075 3948 6212 12184 11968 12962 20028 8682 1952 8491 8096 9606 8530 8139 5560 3584 5408 13386 13293 16368 14195 9563 1953 9700 9460 9647 8869 8175 5249 4377 6921 14971 12057 16144 15926 10129 1954 8392 8082 8614 8125 8152 5254 4084 8058 14770 13978 14946 14618 9762 1955 8010 7917 9239 8316 8293 5639 3866 5858 12083 12828 24351 15306 10161 1956 8050 7630 8998 7531 6574 5198 3786 7447 15501 23140 24532 18489 11447 1957 8777 8411 9650 8551 8255 6228 3852 6663 12897 12387 18992 19758 10376 1958 9958 9519 11420 9366 8221 5865 3796 6225 11508 12989 16897 11882 9824 1959 6676 6604 7732 7997 8295 5706 3904 8353 13253 14021 22826 18224 10314 1960 8350 8264 9743 8670 8271 6188 3970 5440 11965 12500 13914 18063 9612 1961 9524 8792 10342 9529 .8429 6677 5292 6926 16736 13804 20025 13557 10819 1962 8641 8104 9560 8862 8212 6416 4688 5633 15323 23575 23478 16094 11582 1963 8751 8291 9899 8884 8241 5834 3625 6370 15415 21250 23182 13185 11111 1964 8246 8407 9449 7921 653.6 5097 3592 6394 13699 21061 16456 12242 9958 1965 7396 7559 9326 7815 6456 5041 3609 5541 13554 13737 19754 19390 9948 1966 9899 8135 9572 8057 6681 5265 3950 5861 15140 12896 15680 12937 9523 1967 7784 7263 7751 8317 6894 5271 3795 6061 14284 16281 32357 17759 11190 1968 7888 7715 9502 8287 8290 6527 4651 6960 15357 15495 17217 11885 9996 1969 6607 6443 7451 644!S 6476 5080 3731 5071 8470 8045 8251 7027 6594 1970 5124 4686 5922 5181 5175 4050 2830 5116 10855 11307 11492 9353 6769 1971 6038 7297 8787 8265 8212 5644 3728 5019 11776 12159 26303 15375 9901 1972 7875 8432 9755 9155 8490 6646 4802 10186 15785 16584 19339 13816 10927 1973 7198 7580 9368 7534 6549 5087 3576 5012 11610 11090 11989 11689 8199 1974 6588 6664 7423 6426 6450 5047 3614 6413 13011 12559 10424 9723 7869 1975 5480 5929 7646 6640 7340 6546 4734 7318 14821 16570 18176 16385 9812 1976 9841 8498 9356 7576 6565 5162 3880 6569 12444 11652 10370 11017 8590 1977 5661 6438 8463 8406 8359 6342 3931 7310 14337 15383 18975 12835 9718 1978 9576 8965 10245 9342 8354 6535 4708 5105 9907 12036 11825 8874 8800 1979 5707 6321 7689 6600 6591 5049 4479 5507 11334 15683 20332 11993 8964 1980 8147 8968 10894 9174 8185 6411 4647 5611 14737 15891 21620 13366 10660 1981 8850 9308 10578 9052 8329 6511 4865 6342 12419 17484 35192 14539 12004 1982 8726 9291 10175 9495 8454 6493 4941 6555 13261 12748 11703 15745 9799 1983 9435 8425 9658 9053 8337 6457 4739 7087 12909 11784 17026 14309 9946 MAX 9958 9519 11420 9529 8490 6677 5292 10186 16736 23575 35192 20028 12004 MIN 5124 4686 5922 5181 5175 4050 2830 5012 8470 8045 8251 7027 6594 MEAN 7903 7800 9120 8135 7591 5732 4108 6380 13324 14492 18276 14230 9774 __Ji. I I, I I I I ITABLE E.2.4.9 WITH-PROJEOT SUNSHINE MONTHLY FLOWS (CFS) STAGE I,i'lATANA (LOW)QPERA1'ION,l996 LOAD CONDITIONSI.,. YEAR OCT NOV DEC JAN 1 FEB MAR APR MAY JUN JUL AUG SEP ANNUAL 195,1 13248 8706 9731 8735]8451 6403 6174 17814 41397 50877 41652 40320 21197 1952 16357 12584 12958 10932 9626 7052 5355 15293 60104 58563 51836 37376 24917 1953 22367 13463 12061 10777 !9645 6621 7160 29223 51675 43418 44887 39425 24306 195.4 14913 10844 10885 10011 i 9781 6698 5723 19716 44884 47922 54979 33400 22571 195,5 14962 11927 11903 105811,9776 7055 5780 14312 44400 58819 56158 39908 23895 1956 16765 10663 11444 9486 !8232 6818 5346 21511 56438 63850 52563 42511 25575 195:7 15696 11944 12,333 11119:10224 8120 5783 19271 49835 51110 53092 35743 23777 195.8 17642 14272 14,,730 11519 :10068 8007 6908 36142 49739 50619 61389 32212 26239 195·9 16460 10280 9889 10109 I 10052 7336 6442 25151 40500 49393 67657 36512 24272 1960 16541 12155 12521 10871 I 10037 7709 5644 23811 37461 47143 48664 38980 22721 1961 18674 12353 13413 12066 :,10364 8463 7875 21172 47343 51097 55745 35228 24585 1962 17842 12276 12321 11114 I 9972 7961 6720 18386 51919 64482 55675 34157 25350 1963 14843 11140 12605 11243 :10112 7144 4905 22910 43251 67501 50940 29575 23978 1964 18272 11849 11258 9609 I,7937 6347 5337 15496 81098·60675 45898 26642 25107 1965 16625 12350 12711 10253 i 8582 6985 5781 17866 45960 51393 55146 54096 24894 1966 20919 11463 11939 10078 I 8413 6857 5838 12952 51797 48905 55656 31675 23138 1967 15220 9993 10132 10530 II 8810 6880 5339 23462 51384 67114 82750 41319 27908 1968 13741 10816 12039 10510 :10399 8548 7162 27723 61208 58950 47063 24209 24462 1969 11404 8903 9239 7948 I 7847 6356 5732 15563 33618 37340 24281 16243 15426 1970 11441 7491 7916 6973 'I 6867 5668 4955 19438 40150 49706 46753 27567 19677 1971 13082 11395 11461 10170 i 9707 7057 5317 12001 55472 53630 69008 33619 24424 1972 16394 12140 12i98 11199 10288 8176 6413 25099 48043 56599 51364 35744 24576 1973 15786 11440 12304 9664 I 8444 6641 5218 18888 47796 41546 41720 25153 20459 1974 11039 9297 9524 8170 8160 6594 5317 18585 37866 45537 38775 26970 18896 1975 11505 8749 10031 8669 9013 8040 6368 21136 52133 58793 51095 37183 23651 1976 17564 11088 11327 9342 8431 6889 6430 23381 51677 51937 46432 25987 22643 1977 13482 10503 11551 10758 10206 8060 5704 19378 69590 59151 58707 34597 26058 1978 19225 13027 13192 11918 I 10237 8099 6697 14605 36641 52203 44444 25512 21417 1979 11704 10040 10650 8994 .8528 6788 6940 25'250 44440 65501 57662 25261 23622 1980 17111 13490 13477 11367 !10186 8228 7054 14:486 44988 58202 46022 29801 22961 1981 17660 13965 13486 11483 10420 8338 7381 26466 43630 71496 81492 33209 28439 1982 17636 12777 11807 10598 9943 8167 6983 19619 49547 51150 42621 46687 24021 1983 19957 14059 13230 12022 I 10992 8253 7102 24064 44309 44861 52408 30196 23552 MAX 22367 14272 14730 12066 10992 8548 7875 36142 81098 71496 82750 54096 28439 MIN 11039 7491 7916 6973 6867 5668 4905 12pOl 33618 37340 24281 16243 15426 MEAN 15942 11438 11705 10267 9386 7344 6148 20611 48797 54227 52562 33546 23597 '---',---'"--~"---'~ ~"- ----- ---------,-------~.~~~-----~.-----~----------""--------- TABLE E.2.4.10 WITH-PROJECT SUSITNA STATION MONTHLY FLOWS (CFS) STAGE I,WATANA (LOW)OPERATION,1996 LOAD CONDITIONS YEAR OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP ANNUAL 1951 53653 19944 16063 13364 14132 10933 11845 53032 97272 114737 97404 82621 48989 1952 33776 20148 18585 14708 13200 10414 7259 33910 80919 102314 93855 64528 41341 1953 39345 25294 18817 16323 14316 9930 9605 41939 84084 111106 113945 103485 49229 1954 47049 24712 17850 15106 13865 10901 10774 44609 74744 88546 88600 57862 41434 1955 32410 20211 16602 14675 14067 10720 9624 48512 95660 138907 115306 80499 50040 1956 49642 22170 18004 15136 13247 10184 9000 46284 128272 124691 99800 58372 49812 1957 27920 22240 15045 14097 13896 10829 8858 48721 111291 94641 104940 65985 45047 1958 31402 27973 19086 15946 13723 10892 8692 33060 69043 89533 90881 47916 38377 1959 29770 18439 14124 13937 13443 9985 9101 44558 90539 106460 83901 41698 39875 1960 26691 20426 16890 15285 15122 13194 12053 63799 95597 131335 148517 90000 54391 1961 35220 19438 18248 16027 16058 12985 12612 59616 100806 112747 112708 78379 49810 1962 43901 24677 18098 15584 14777 12076 12304 42005 90454 155523 118230 65662 51437 1963 26415 16707 17309 15574 13828 11097 8257 44357 93110 133029 102520 67327 46051 1964 33082 17364 14659 14898 12460 9731 8254 32552 90464 115790 98433 44082 41225 1965 30102 18235 17339 14255 12105 10218 10498 51721 104444 128176 99410 82316 48470 1966 46453 26463 17223 14673 13117 10486 8474 30680 87439 110547 127190 103536 49916 1967 43672 15623 12692 13187 12186 9920 7783 19442 58483 99396 120526 73482 40784 1968 37612 19391 16818 15011 15064 12267 15764 79365 127074 121501 93898 42777 49980 1969 16273 13057 12852 13157 12334 10259 11427 78087 113030 106971 80080 39515 42477 1970 29552 13057 10806 11059 11096 9382 9973 63402 110482 131375 107189 56424 47273 1971 20883 16658 15224 14865 13506 9974 8302 40846 106153 127917 110095 66740 46158 1972 26672 15787 15136 15512 14091 11012 10240 46273 99359 120251 102305 61385 45067 1973 27683 20856 17094 13522 11695 9378 7770 39000 88674 92259 82613 62181 39561 1974 29863 17134 14706 13855 13666 11757 12438 58711 76842 86221 82066 52775 39372 1975 21239 14650 15460 13720 13672 12195 10032 40103 110631 124445 91158 78236 45636 1976 33557 16510 14310 13098 11271 9627 11419 62719 95148 109219 88735 53433 43507 1977 31737 22206 19185 16693 15620 11638 8561 51583 141399 135653 125554 84469 55588 1978 40132 20093 15942 14295 13454 11520 10166 41789 81711 108921 97069 55892 42828 1979 37304 19079 15334 14025 13242 10891 12158 72231 106791 129247 127743 78948 53397 1980 59759 36073 23150 17556 15752 13917 15352 60387 127946 162487 128923 91513 63066 1981 35826 22184 17226 14807 13929 11110 14144 72917 101111 137695 155696 67800 55755 1982 34832 23582 19489 16241 13920 10741 9030 37869 94945 103010 91794 107286 47037 1983 36516 21014 17213 15158 14738 11905 10863 55084 91605 94418 100098 53064 43702 MAX 59759 36073 23150 17556 16058 13917 15764 79365 141399 162487 155696 107286 63066 MIN 16273 13057 10806 11059 11096 9378 7259 19442 58483 86221 80080 39515 38377 MEAN 34847 20345 16563 14707 13654 10972 10383 49672 97743 116638 105490 68491 46868 ~,---------' 1111. TABLE'Tli'MONTHLY MAXIMU ,MINIMUM AND MEAN FLOWS AT WATANA (CFS) STAGE I -WATANA (LOW)OPERATION MONTH-I-NATURAL CONDITIONS WITH PROJECT CONDITIONS iIII MAX IIIIN MEAN MAX MIN MEANI OCT I 6632 2403 4567 7931 4405 6678 NOV Ii 3525 1021 2064 8735 4492 7254 DEC I 2259 709 1453 10500 5762 8722I JAN II 1858 619 1225 8893 4993 7820 FEB 1610 602 1035 7950 5009 7307 MAR \ 1560 575 936 6188 3898 5493 APR 1965 609 1158 4312 2716 3715 MAY 15973 2857 10625 4428 2768 3500 JUN I 42842 13233 22980 10195 6541 8640 JUL 28767 14843 20747 21004 6827 10787 AUG 30542 7772 18366 28843 6961 14830 SEP 17206 4260 10878 16212 6183 11576 I ANNUAL I 9985 4912 8046 10028 5292 8035 ~------.J ~-; TABLE E.2.4.12 MONTHLY MAXIMUM,MINIMUM AND MEAN FLOWS AT GOLD CREEK (CFS) STAGE I - WATANA (LOW)OPERATION MONTH NATURAL CONDITIONS WITH PROJECT CONDITIONS MAX MIN MEAN ~lAX MIN MEAN OCT 8212 3124 5825 9958 5124 7903 NOV 4192 1215 2589 9519 4686 7800 DEC 3264 866 1844 11420 5922 9120 JAN 2452 724 1543 9529 5181 8135 FEB 2028 723 1317 8490 5175 7591 MAR 1900 713 I 169 6677 4050 5732 APR 2650 745 1441 5292 2830 4108 MAY 21890 3745 13483 10186 5012 6380 JUN 50580 15500 27795 16736 8470 13324 JUL 34400 16100 24390 23575 8045 14492 AUG 37870 8879 21911 35192 8251 18276 SEP 21240 5093 13493 20028 7027 14230 ANNUAL 11961 5596 9185 12004 6594 9774 TABLE E.2.4.131 MONTHLY MAXIMur-I,MI~IMUM AND MEAN FLOUS AT -SUNSHINE (CFS) STAGE I - ~ATANA (LOW)OPERATION MONTH I i _NATlIRAL CONDITIioNS __WITH PROJECT CONDITIONS !i MAX MIN I MEAN MAX MIN MEAN OCT 120837 8176 13799 22367 11039 15942 NOV 8775 4020 6185 14272 7491 11438 DEC 6547 2675 4426 14730 7916 11705 JAN 5216 2228 3674 12066 6973 10267 FEB I 4664 2095 3115 10992 6867 9386 MAR i 3920 1972 2786 8548 5668 7344 APR 5528 2233 3585 7875 4905 6148 MAY '43121 10799 27674 36142 12001 20611 JUN 1116152 40702 63268 81098 33618 48797 JUL \85600 45226 64143 _71496 37340 54227 AUG '84940 25092 56148 82750 24281 52562 SEP 154110 14320 32867 540~6 16243 33546 ! \ ANNUAL I "28262 14431 23607 28439 15426 23597 I ---''---''---''---, ------'-'--------'---' TABLE £.2.4.14 MONTHLY MAXIMUM,MINIMUM AND MEAN FLOWS AT SUSITNA STATION (CFS) STAGE I - WATANA (LOW)OPERATION MONTH NATURAL CONDITIONS WITH PROJECT CONDITIONS MAX MIN MEAN MAX MIN MEAN OCT 58640 13476 32777 59759 16273 34847 NOV 31590 8251 15063 36073 13057 20345 DEC 14690 5753 9267 23150 10806 16563 JAN 10120 6365 8112 17556 11059 14707 FEB 9413 5614 7383 16058 11096 13654 1'1AR 8906 5271 6412 13917 9378 10972 APR 13029 4613 7684 15764 7259 10383 MAY 88470 28713 56770 79365 19442 49672 JUN 165900 73838 112256 141399 58483 97743 JUL 181400 92511 126590 162487 86221 116638 AUG 159600 80891 109084 155696 80080 105490 SEP 109700 37592 67721 107286 39515 68491 ANNUAL 63159 38030 46871 63066 38377 46868 2. 3. 4. 5. TABLE E.2.4.15:FLOOD PEAK FREQUENCY DATA FOR INTERVENING AREAS Recurrence Interval,(Year) 2 5 10 25 Flood Peaks (cfs) Between Cantwell and Gold Creek Annual 24,000 35,000 41,300 46,900 May-June 20,000 30,000 35,400 40,200 July-September 14,200 22,200 26,200 29,700 Between Watana and Gold Creek Annual ......,.. 16,700 24,400 28,800 32,700 May-June 13,900 20,900 24,700 28,000 July-September 9,890 15,500 18,200 20,700 Between Gold Creek and Susitna Station Annual 149,000 17-3,000 192,000 212,000 May-June 115,000 131,000 146,000 161,000 July-September 147,000 172,200 191,000 211,000 Between Watana and Sunshine Annual 99,700 116,000 128,000 142,000 May-June 76,900 87,600 97,700 108,000 July-September 98,300 115,000 128,000 141,000 Between Watana and Susitna Station Annual 154,000 180,000 199,000 220,000 MaY',.".June 11-9-,,-000 1:36-,000 ~151,OOO -r67,00O July-September 152,000 178,000 198,000 219,000 50 37,300 32,000 23,700 230,000 174,000 229,000 I i J J j \ 1 TABLE E.2.4.16:SUSITNA HYDROELECTRIC PROJECT WATANA OUTLET WORKS OPERATION THREE STAGE PROJECT,STAGE I Week of Week of Duration First Maximum of Maximum Powerhouse Total Year Release Release Release Release Flow Release Weeks cfs cfs ac-ft 1951 Sept 2 .Sept 2 4 11,842 9,832 355,000 1952 Aug 12 Aug 12 5 6,521 9,040 278,000 1953 Aug 12 Aug 26 6 8,022 9,497 321,000 1954 Aug 26 Aug 26 2 6,696 9,510 114,000 1955 July 29 Aug 26 8 24,000 9,561 1,065,000 1956 July 15 July 22 10 17,582 8,571 1,378,000 1957 Aug 5 Aug 12 8 8,520 9,048 685,000 1958 Aug 5 Aug 12 4 8,734 9,049 297,000 1959 Aug 19 Aug 26 4 23,726 9,564 608,000 1960 Sept 9 Sept 9 3 7,056 10,058 201,000 1961 Aug 5 Aug 5 5 13,291 8,923 52.8,000 1962 July 1 July 22 11 16,094 8,565 1,603,000 1963 July 15 July 22 9 18,192 8,573 1,212,000 1964 July 1 July 8 9 14,343 8,595 901,000 1965 Aug 5 Aug 12 7 16,165 9,082 785,000 1966 Aug 19 Aug 26 3 5,122 9,484 145,000 1967 July 22 Aug 12 8 24,000 9,049 1,456,000 1968 July 22 July 29 6 9,442 8,882 465,000 1969 1970 1971 Aug 5 Aug 12 6 24,000 9,101 976,000 1972 July 15 July 15 10 10,863 8,537 964,000 1973 Aug 22 Aug 22 3 2,188 9,532 1,584,000 1974 1975 July 22 July 29 9 11,375 8,890 769,000 1976 1977 July 15 July 29 9 10,644 8,887 717,000 1978 1979 July 22 July 29 6 12,836 8,896 641,000 1980 July 29 July 29 6 18,303 8,926 707,000 1981 July 29 Aug 12 7 24,000 9,078 1,408,000 1982 Sept 16 Sept 16 2 6,979 10,275 114,000 1983 Aug 19 Aug 26 3 13,207 9,521 373,000 1841/9.7 9.1 8.3 9.2 8.8 7.9 8.0 7.1 6.1 5.1 4.8 4.3 3.7 173 9.8 9.1 8.4 9.2 8.8 7.8 7.9 6.9 5.7 4.7 4.1 3.6 3.0 162 9.9 9.1 8.5 9.4 8.9 .-7.9 7.9 6.7 5.4 4.5 3.8 3.3 2.5 150 10.1 9.3 8.7 9.5 9.0 8.0 8.0 6.7 5.3 4.4 3.6 3.1 2.2 140 10.2 9.3 8.8 9.6 9.1 8.0 8.0 6.5 5.1 4.2 3.4 2.9 1.8 130 10.2 9.2 8.8 9.6 9.0 7.9 7.9 6.3 4.9 4.0 ,14 __4_.6____LJi.-'-.-_.._---_.._-~_..--_..~....-.....- _.._--_._----~'-'------_._-~+20-~~.--10;49;-3---8-~9-9~8 '-"9;2-8~-()7:9 6.2 4.7 3.9 3.1 2.5 .9 1-10 1O-.-3-9.-3-9.0-10.0-9.3--8--;-1--8-:0-0:-1-lj..7 3.8 3.0 2.4 .5 99'J/10.7 9.4 9.2 10.2 9.5 8.2 8.0 5,.9 4.4 3.7 2.9 2.3 .1 9 all 9.3 8.2 8.3 8.7 7.9 7.2 6.7 4.7 3.6 3.2 2.7 2.1 .1 84!±1 9.7 8.2 8.6 9.3 8.2 7.3 6.8 4.3 3.4 3.1 2.6 2.0 0.0 TAB LEE.2•4•17:SUSITNA HYDROELECTRIC PROJECT SIMULATED STREAM TEMPERATURES STAGE I WEATHER PERIOD:SUMMER 1981 CASE E-VI FLOW REQUIREMENTS STAGED CONSTRUCTION RIVER MAY JUNE JULY MILE 31 32 33 34 35 36 37 38 39 40 41 42 43 44 18411 2.2 2.8 3.8 4.8 6.6 8.1 8.8 10.3 9.5 8.4 8.4 10.2 10.5 10.5 173 2.5 2.8 3.5 4.7 6.4 7.7 8.8 10.3 9.4 8.4 8.4 9.9 10.4 10.4 162 2.8 3.6 4.2 5.3 7.0 7.9 9.1 10.6 9.6 8.7 8.6 10.1 10.6 10.5 150 3.1 3.7 4.2 5.4 7.1 7.9 9.3 10.8 9.7 8.9 8.7 10.1 10.7 10.7 140 3.3 3.9 4.3 5.5 7.2 7.9 9.4 10.9 9.8 9.0 8.8 10.1 10.7 10.7 130 3.6 4.3 4.6 5.8 7.3 7.8 9.4 10.9 9.6 9.0 8.6 9.8,10.4 10.5 120 4.0 4.9 5.3 6.4 7.9 8.1 9.8 11.3 9.9 9.3 8.9 10.1 10.7 10.7 110 4.3 5.5 5.8 6.9 8.4 8.3 10.2 11.6 10.1 9.5 9.1 10.3 11.0 10.9 991:/4.7 6.0 6.4 7.4 8.8 8.6 10.5 11.9 10.4 9.7 9.3 10.6 11.2 11.2 9 all 4.4 5.7 6.2 6.7 7.7 7.0 8.5 9.4 8.5 8.5 8.2 8.6 9.0 9.3 84!±1 4.8 6.4 7.1 7.4 8.5 7.5 9.2 10.1 9.0 9.0 8~7 9.1 9.5 9.8 il At Sunshine stream gaging station ,1 .I ] 1 1 ] 1 -;1 ,1 j ] 1 I I j j .~ I OCTOBER 2 -~3~--'-'4---5-. AUGUST SEPTEMBER 45 _4~_47 _4~l ~4_2___5D_5L ~52--1·- RIVER MILE 11 Downstream of Watana Damsite 1/Upstream of Chulitna-Susitna confluence 11 Downstream of Chulitna-Susitna confluence TABLE E.2.4.18:SUSITNA HYDROELECTRIC PROJECT SIMULATED STREAM TEMPERATURES WEATHER PERIOD:SUMMER 1982 2001 ENERGY DEMANDS CASE E-VI FLOW REQUIREMENTS STAGED CONSTRUCTION STAGE I RIVER MAY JUNE JULY MILE 31 32 33 34 35 36 37 38 39 40 41 42 43 44 18411 2.6 2.7 2.9 3.2 3.7 5.2 6.3 6.6 8.7 10.9 10.6 9.9 9.9 9.4 173 2.9 2.5 2.6 2.9 3.7 5.1 6.2 6.7 8.7 10.8 10.6 10.1 9.8 9.6 162 3.4 2.9 3.3 3.4 4.3 5.5 6.4 7.1 9.1 11.0 10.8 10.4 10.0 9.9 150 3.6 3.0 3.4 3.5 4.5 5.6 6.5 7.3 9.3 11.0 10.9 10.6 10.2 10.1 140 3.8 3.0 3.5 3.6 4.7 5.7 6.6 7.4 9.4 11.1 11.0 10.8 10.2 10.3 130 4.2 3.3 3.7 3.8 4.9 5.8 6.6 7.5 9.4 10.9 10.8 10.7 9.9 10.1 120 4.7 3.7 4.3 4.3 5.4 6.2 6.9 7.9 9.8 11.2 11.2 11.1 10.1 10.5 110 5.2 4.0 4.8 4.8 5.9 6.5 7.1 8.2 10.2 11.5 11.4 11.4 10.4 10.8 992:.1 5.7 4.4 5.3 5.2 6.4 6.8 7.3 8.5 10.6 11.8 11.7 11.7 10.6 11.2 9all 5.2 4.3 5.2 5.3 6.2 6.7 6.5 7.2 9.1 9.2 9.0 9.3 8.3 9.0 8411 5.6 4.7 5.9 6.0 7.2 7.7 7.0 8.0 10.1 9.7 9.6 10.0 9.0 9.8 RIVER AUGUST SEPTEMBER MILE 45 46 47 48 49 50 51 52 18411 9.8 9.4 9.9 9.2 9.3 9.6 8.4 7.3 173 10.0 9.6 10.0 9.3 9.1 9.2 7.9 6.9 162 10.2 9.8 10.2 9.4 9.2 9.2 7.9 6.8 150 10.5 10.0 10.4 9.6 9.2 9.2 7.8 6.8 140 10.7 10.2 10.6 9.7 9.2 9.1 7.8 6.7 130 10.6 10.2 10.6 9.6 9.1 8.9 7.5 6.5 120 11.0 10.5 10.9 9.9 9.2 9.0 7.6 6.4 110 11.3 10.7 11.1 10.1 9.3 9.0 7.6 6.4 992:.1 11.7 11.0 11.4 10.3 9.4 9.1 7.7 6.4 9all 9.2 8.7 9.2 7.9 7.8 7.2 5.7 5.3 84!±1 9.8 9.3 9.8 8.5 8.0 7.2 5.9 5.1 11 Downstream of Watana Damsite 2:.1 Upstream of Chu1itna-Susitna confluence 11 Downstream of Chu1itna-Susitna confluence il At Sunshine stream gaging station II Downstream of Watana Damsite ~I At Sunshine stream gaging station 2:/Upstream of Chulitna-Susitna confluence _.. 11 Downstream of Chulitna-Susitna confluence 1 9.6 8.6 7.9 9.0 8.8 8.1 7.8 6.8 5.8 5.0 4.6 4.2 3.5 173 9.7 8.6 8.0 9.0 8.8 8.0 7.6 6.5 5.3 4.4 3.8 3.4 2.8 162 9.8 8.6 8.1 9.2 8.9 8.0 7.6 6.3 5.1 4.2 3.53.2 2.2 150 10.0 8.9 8.4 9.4 9.1 8.1 7.7 6.3 4.9 4.1 3.2 3.0 2.0 140 10.1 8.9 8.4 9.5 9.1 8.1 7.7 6.1 4.7 3.9 3.0 2.8 1.6 130 10.1 8.8 8.5 9.5 9.1 8.0 7.7 5.9 4.5 3.7 2.8 2.5 1.2 120 10.3 8.9 8.6 9.7 9.2 8.1 7.7 5.8 4.3 3.6 2.7 2.4 .7 11 0 10 •4 9•0 8•8 9•9 9•3 8•2 7•7 5•6 4 •2 J __5__2 .~_]..-.J_.__.!+~.._..-..._-_.--..---9-92::1-TO-;o~9:T ·8:916-:r--9~5 -S-:-3--7 •8~5-4~·O-·3.4 2•5 2•2 0.0 ---·---9-8~/-~---9-;-2-8-;0--8-:-1-8-:-6~~9-7~3-o-:-5-4 •3 3.3 3.0 2.4 2.0 0.0 8~1 9.6 8.1 8.5 9.2 8.2 7.4 6.6 3.9 3.1 2.9 2.4 1.9 0.0 ] } 1 J J j l I 1 J J ] .J J ] 1 :1 .I j 4 52 3 AUGUST SEPTEMBER 45 4647 48 49 50 51 52 1 TABLE E.2.4.19:SUSITNA HYDROELECTRIC PROJECT SIMULATED STREAM TEMPERATURES STAGE I WEATHER PERIOD:SUMMER 1981 CASE E-I FLOW REQUIREMENTS STAGED CONSTRUCTION RIVER MAY JUNE JULY MILE 31 32 33 34 35 36 37 38 39 40 41 42 43 44 18411 1.8 2.8 3.8 5.0 6.8 7.8 8.7 10.0 9.1 .8.4 8.2 9.6 10.6 10.3 173 2.1 2.7 3.1 4.6 6.3 7.5 8.8 10.0 9.0 8.5 8.2 9.3 10.6 10.3 162 2.7·3.8 4.3 5.5 7.1 7.7 9.0 10.3 9.2 8.7 8.4 9.6 10.7 10.4 150 3.0 3.8 4.2 5.5 7.1 7.7 9.2 10.5 9.4 8.9 8.6 9.7 10.9 10.6 140 3.3 4.0 4.2 5.6 7.2 7.7 9.3 10.7 9.5 9.0 8.7 9.7 11.0 10.7 130 3.6 4.3 4.5 5.8 7.2 7.6 9.4 10.7 9.4 9.0 8.5 9.3 10.8 10.6 120 4.1 5.1 5.3 6.5 8.0 7.9 9.7 11.0 9.7 9.3 8.8 9.7 11.1 10.8 110 4.6 5.7 6.0 7.2 8.6 8.2 10.0 11.4 9.9 9.5 9.0 9.9 11.2 11.0 99'1:./5.0 6.3 6.6 7.8 9.2 8.4 10.2 11.7 10.2 9.8 9.3 10.3 11.4 11.1 9811 4.5 5.7 6.2 6.7 7.6 7.0 8.9 9.4 8.4 8.5 8.1 8.3 9.6 9.6 84!:t/4.8 6.5 7.1 7.4 8.5 7.4 9.5 10.1 9.0 9.0 8.6 8.9 9.9 10.0 RIVER MILE TABLE E.2.4.20:SUSITNA HYDROELECTRIC PROJECT SIMULATED STREAM TEMPERATURES WEATHER PERIOD:SUMMER 1982 CASE E-I FLOW REQUIREMENTS STAGED CONSTRUCTION STAGE I RIVER MAY JUNE JULY MILE 31 32 33 34 35 36 37 38 39 40 41 42 43 44 18411 2.3 2.7 2.9 3.3 3.9 5.0 6.2 6.2 9.2 10.4 10.1 9.4 9.4 9.2 173 2.6 2.4 2.5 2.8 3.8 5.0 6.2 6.5 9.1 10.3 10.2 9.6 9.4 9.4 162 3.3 2.9 3.3 3.5 4.5 5.4 6.4 6.9 9.5 10.6 10.4 9.9 9.6 9.7 150 3.5 2.9 3.3 3.5 4.6 5.5 6.6 7.1 9.6 10.7 10.6 10.2 9.9 10.0 140 3.8 3.0 3.4 3.6 4.8 5.6 6.6 7.2 9.7 10.7 10.7 10.4 9.9 10.1 130 4.2 3.2 3.7 3.8 5.0 5.7 6.7 7.3 9.6 10.6 10.6.10.4 9.6 10.0 120 4.8 3.7 4.3 4.3 5.6 6.1 6.9 7.7 10.1 11.0 10.9 10.8 9.9 10.4 110 5.4 4.1 4.9 4.8 6.0 6.4 7.1 8.1 10.5 11.2 11.1 11.1 10.1 10.7 99'1:/5.9 4.5 5.4 5.3 6.6 6.8 7.3,8.4 10.9 11.5 11.4 11.4 10.4 11.0 9811 5.3 4.3 5.3 5.3 6.3 6.7 6.7 7.1 9.2 9.1 9.0 9.2 8.3 9.0 84!±1 5.7 4.8 6.0 6.0 7.3 7.7 7.1 8.0 10.1 9.7 9.5 9.9 8.9 9.8 RIVER AUGUST SEPTEMBER MILE 45 46 47 48 49 50 51 52 18411 9.6 9.3 9.8 9.0 9.3 9.2 8.9 7.4 173 9.8 9.5 10.0 9.1 9.0 8.8 8.6 7.0 162 10.0 9.6 10.2 9.2 9.1 8.8 8.6 7.0 150 10.3 9.9 10.4 9.4 9.1 8.8 8.6 6.9 140 10.5 10.1 10.5 9.5 9.1 8.7 8.6 6.8 130 10.5 10.1 10.6 9.5 9.0 8.5 8.4 6.6 120 10.9 10.3 10.9 9.7 9.1 8.5 8.4 6.6 110 11.2 10.6 11.1 9.9 9.2 8.6 8.4 6.6 99'1:/11.5 10.8 11.4 10.1 9.3 8.7 8.4 6.6 9 all 9.2 8.8 9.3 8.0 7.6 6.9 6.4 5.4 84!±1 9.8 9.4 9.8 8.5 7.8 7.0 6.4 5.2 II Downstream of Watana Damsite 11 Upstream of Chulitna-Susitna confluence 11 Downstream of Chulitna-Susitna confluence ~I At Sunshine stream gaging station TABLE E.2.4.21:STREAM TEMPERATURES WEATHER PERIOD: SUMMER 1981 NATURAL CONDITIONS WATER WEEK NO. River May June July Mile 31 32 33 34 35 36 37 38 39 40 41 42 43 44 1841/4.8 7.6 8.6 8.2 9.2 8.9 11.6 12.2 8.5 8.4 9.2 9.5 9.8 9.4 173 4.8 7.4 8.2 7.9 9.1 8.7 11.4 12.1 8.6 8.5 9.2 9.5 9.9 9.5 162 4.9 7.5 8.4 8.1 9.3 8.8 11.6 12.3 8.7 8.7 9.3 9.6 10 .0 9.6 1501/5.0 7.6 8.3 8.1 9.3 8.9 11.6 12.4 9.0 8.9 9.5 9.9 10 .2 9.9 140 5.1 7.6 8.3 8.1 9.4 8.9 11.6 12.5 9.1 9.0 9.5 9.9 10.3 10.3 130 .5.1 7.5 8.2 8.1 9.4 8.8 11.5 12.3 9.1 9.0 9.4 9.9 10.3 10 .0 120 5.3 7.7 8.4 8.4 9.7 9.0 11.7 12.6 9.3 9.3 9.6 10.1 10.5 10.2 110 5.5 7.9 8.6 8.6 9.9 9.1 11.9 12 .8 9.6 9.5 9.7 10 .2 10.7 10.4 991/5.7 8.0 8.8 8.9 10.1 9.3 12.1 13.1 9.8 9.7 9.9 10.4 10.9 10.6 98!±.!5.0 7.2 7.9 7.8 8.8 7.7 9.5 10.2 8.5 8.6 8.8 9.1 9.5 9.3 841/5.2 7.5 8.3 8.2 9.4 8.0 10.0 10.7 9.0 9.1 9.1 9.5.9.9 9.8 River August September October Mile 45 46 47 48 49 50 51 52 1 2 3 4 5 1841/9.4 6.8 7.5 9.9 7.2 7.0 6.2 1.6 0.3 0.3 1.2 0.5 0.0 173 9.5 7.0 7.6 9.9 7.3 7.0 6.2 1.8 0.5 0.4 1.2 0.4 0.0 162 9.6 7.1 7.7 10.0 7--".2.Z.!l Q.•.2 .1.7 _Oc.S 0.4 .1.2·0.4·0.0 150£/9.9 7.5 8.0 .10 .1 7.7 7.2 6.4 2.0 0.7 0.6 1.3 0.5 0.0 140 10.0 7.6 8.1 10.2 7.8 7.3 6.5 2.1 0.8 0.7 1.3 0.5 0.0 130 10.0 7.6 8.1 10.1 7.9 7.3 6.5 2.2 1.0 0.9 1.4 0.5 0.0 120 10.1 7.7 8.3 10.3 8.1 7.4 6.6 2.2 LO 0.9 1.4 0.5 0.0 110 10.3 7.8 8.5 10 ..5 8~2 7.5 6.7 2.2 1.0 LO 1.4 0.5 0.0 991/10.5 8.0 8.6 10.7 8.4 7.6 6.8 2.2 1.0 LO L4 0.5 0.0 98!±.!9.2 7.4 7.9 8.9 7.4 6.9 5.9 2.3 1.5 1.6 1.7 1.0 0.0 841/9.6 7.7 8.3 9.4 7.8 7.1 6.1 2.3 1.7 1.8 1.9 Ll o 0 ..-....- Downstream of Watana Dam Site Downstream of Devil Canyon Dam Site Upstream of Susitna -Chulitna confluence Downstream of Susitna -Chulitna confluence (full mixing assumed) At Sunshine stream gaging station at Parks Highway Bridge ] 'j ] J :] J 1 .J J J I } 1 j 1 1 1 1 J TABLE E.2.4.22:STREAM TEMPERATURES WEATHER PERIOD: SUMMER 1982 NATURAL CONDITIONS WATER WEEK NO. River May June July Mile 31 32 33 34 35 36 37 38 39 40 41 42 43 44 1841/5.5 4.9 7.2 7.1 8.8 9.2 8.0 9.6 11.9 10 .2 10.6 10.6 9.7 10 .5 173 5.2 4.6 6.8 6.7 8.5 8.9 7.9 9.5 11.7 10.2 10.7 10.7 9.7 10.6 162 5.5 4.7 6.9 6.9 8.6 9.0 8.0 9.6 11.8 10.4 10.8 10.9 9.8 10.7 1501/5.4 4.7 6.8 6.8 8.6 9.0 8.1 9.7 11.9 10.5 11.0 11.1 10 .1 10.9 140 5.4 4.7 6.8 6.7 8.5 9.0 8.1 9.7 11.9 10.6 11.1 11.2 10.1 11.0 130 5.5 4.7 6.7 6.6 8.4 8.9 8.0 9.6 1l.8 10.6 11.1 11.2 10 .0 11.0 120 5.9 4.9 6.9 6.8 8.6 9.1 8.2 9.9 12.0 10.9 11.3 1l.5 10.2 11.2 110 6.2 5.1 7.1 7.0 8.8 9.2 8.3 10.0 12.2 11.1 1l.5 11.7 10.4 11.4 991/6.6 5.•3 7.3 7.2 9.0 9.3 8.5 10.2 12.5 11.4 11.7 12.0 10 .6 11.7 98!±/5.8 4.9 6.7 6.6 8.1 8.3 7.4 8.6 10.5 9.3 9.6 10.0 8.8 9.7 842/6.1 5.2 7.0 6.9 8.4 8.6 7.6 7.0 11.0 9.8 10 .1 10.5 9.3 10.2 River August September October Mile 45 46 47 48 49 50 51 52 1 2 3 4 5 1841/10.5 10.5 10.5 9.0 7.6 6.1 6.4 4.1 2.0 0.0 0.0 0.0 0.0 173 10.6 10.6 10.6 9.1 7.6 6.2 6.3 4.1 2.1 0.0 0.0 0.0 0.0 162 10.8 10.8 10.7 9.2 7.7 6.3 6.4 4.1 2.1 0.0 0.0 0.0 0.0 1501/11.1 11.0 10.9 9.4 7.9 6.5 6.6 4.3 2.2 0.2 0.0 0.0 0.0 140 11.2 11.1 11.0 9.5 8.0 6.6 6.6 4.4 2.3 0.2 0.0 0.0 0.0 130 11.2 11.0 11.0 9.5 8.0 6.7 6.6 4.4 2.3 0.3 0.0 0.0 0.0 120 1l.5 11.2 11.3 9.7 8.1 6.8 6.7 4.5 2.3 0.2 0.0 0.0 0.0 110 11.7 11.4 11.5 9.9 8.3 6.9 6.7 4.5 2.3 0.2 0.0 0.0 0.0 991/12.0 11.6 11.8 10.1 8.4 7.1 6.8 4.6 2.3 0.1 0.0 0.0 0.0 98!±/9.6 9.1 9.4 8.0 7.3 6.3 5.6 4.4 2.5 0.8 0.2 0.0 0.0 842/10.1 9.7 9.9 8.5 7.6 6.6 5.8 4.5 2.6 0.8 0.0 0.0 0.0 1/Downstream of Watana Dam Site1/Downstream of Devil Canyon Dam Site 1/Upstream of Susitna -Chulitna confluence 4/Downstream of Susitna -Chulitna confluence (full mixing assumed)1/At Sunshine stream gaging station at Parks Highway Bridge i TABLE E.2.4.231:!~~~~~:Al~~~~~~L~~~:I~A~:O~~~i,~~~~_~~~~~~~DRIVER STAGES i LRX-3 ICE FRONT STARTING DATE:i MAX.ICE FRONT EXTENT (RIVER MILE) MELT-QUT DATE 1 I Slough or Side Channel Whiskers Gash Creek 6A 8 MSII MSII Curry Moose 8A West 8A East 9 9 uls 4th July 9A 10 uls 11 dis 11 17 20 21 (A6) 21 22 River Mille 101.5 H2.0 11'2.3 11.4.1 lli5.5 11'5.9 12'0.0 12!3.5 126.1 12,7.1 12,9.3 130.6 131.8 133.7 13{l-.3 135.3 136.5 139·3 140.5 141.8 142.2 144.8 IThresho!l.d E1evatibn ! 367 I 453 I (Upland) 476 I 482 I 487 I (Upland) 548 I 573 , 582 604 617 626 651 657 667 687 i (UPland)!' 730 747 755 ' 788 Simulated Natural Conditions 1 368 1455 457 1 472 ,484 486 523 15491 571 583 606 620 629 651 657 670 683 IS~age I I II [ 370 1457 459 475 14,87/489 526 155 5 1 I~~; 607 620 Q33 656 q64 675 q88 ~15 129 ~47 ~53 187 1\2-10 1139 [4-28. Stage II Stage III Early Late 1 370 1 1 369 1 1 370 1459456457 461 459 459 476 476 -rllirl487485485 490 488 487 521 520 518 Maximum 551 154 8 1 545 upstream 573 571 569 extent of 584 581 581 ice front 605 601 603 619 1 616 ,1 617 1630627628 649 649 650 655 655 1 656 ,16671 1667/668 682 682 684 714 714 715 728 728 729 746 746 747 752 752 753 785 785 787 12t-29 12-30 1-2 1~3 126 114 3f-26 3-19 3-5, Notes: 1. 2. II ; I ' I I Indicates locationsl w~ere maximum rive~ a known slough threshold elevation.I Iji All river stages in feet.1 stage equals!or exceeds ---' TABLE E.2.4.24:SUSITNA HYDROELECTRIC PROJECT MAXIMUM SIMULATED RIVER STAGES WINTER 1981-82 FLOW CASE E-I, Slough or River Side Channel Mile Simulated Threshold Natural Elevation Conditions Stage I 2001 Demand Stage II 2002 Demand Stage III 2020 Demand max. upstream xtent of ce front 715 729 747 753 787 1 370 1457 460 475 1 486 1488 522 714 728 746 752 785 1 370 1458 461 476 487 490 520 715 729 747 753 786 "555 Th 545 574 573 569 585 584 582 607 605 603 621 619 1 617 1632630628 656 649 650 663 655 656 e 674 16 67 1 16681 ~ 687 682 684 1 370 1458 461 478 490 493 526 Whiskers 101.5 367 1 368 1GashCreek112.0 453 455 6A 112.3 (Upland)457 8 114.1 476 472 MSII 115.5 482 14841 MSII 115.9 487 486 Curry 120.0 (Upland)523 Moose 123.5 548 15491 8A West 126.1 573 571 8A East 127.1 582 583 9 129.3 604 606 9 uls 130.6 617 620 4th July 131.8 626 629 9A 133.7 651 651 10 uls 134.3 657 657 11 dis 135.3 667 670 11 136.5 687 683 17 139.3 (Upland) 20 140.5 730 21 (A6)141.8 747 21 142.2 755 22 144.8 788 LRX-3 ICE FRONT STARTING DATE MAX.ICE FRONT EXTENT (RIVER MILE) MELT-OUT DATE 12-10 139 4-29 12-29 133 3-28 1-1 120 3-6 Notes: 1.LJ Indicates locations where maximum river stage equals or exceeds a known slough threshold elevation. 2.All river stages in feet. I ! I !,,'TABLE'E.2.4.25 :SED lMENT CONCENTRATION (mgl 1)STAGE 1I'. Average Concentrations11 in Outflow Range of Simulated Outflow Concentration Month January February March April May June July August September October November December Range of Observed Natural Conditionsl1 <1-8 1-6 65-1,110 151-1,860 100-2,790 158-1,040 23-812 6-140 I I E!stimated Range lof Conditions I f,or Period lrOI'1982,198211 1-55 1-'93 1-20 2-183 ,5-1,480 620-1,705 5p6-2,062 198-2,150 15-1,530 .1-144 1-71 1-47 i,Minimum (1970) 60-70 30-50 20-35 20-30 15-20 70-80 1 '100-110 100-110 90-100 80-100 80-100 70-90 Average (1982) 60-70 50-60 35-50 20-40 30-40 80-90 120-140 100-120 85-95 90-110 90-100 75-90 Maximum (1981) 80-'90 60-70 35-50 40-60 40-50 80-90 100-110 150-180 120-140 120-130 110-120 90-100 Minimum (1970) 40-90 20-70 10-50 10-40 5-50 35-90 85-115 90-115 85-105 80-100 75-100 60-90 Average (1982) 45-85 35-70 20-60 10-50 10-65 45-145 120-145 85-125 85-100 90-110 85-110 70-95 Maximum (1981 ) 50-120 30-95 20-75 20-75 10-70 70-95 70-190 130-200 100-170 100-140 90-130 70-110 II 11 11 ! Range of observed suspendJd ~ediment concentr!ations measured by US Geological Survey on Susitna River at gaging stations nlear Cantwell (period of observations 1962-1972,1980-1982)and at Gold Creek(period of observatio\nsi 1962,1~74~1982). I Based on computations of d~ily average suspenaed sediment concentrations using flows at Susitna River near Cantwell Statioh and sediment-flow rating curve (Figure E.2.4.110)for 1970,1981 and 1982. Represents range of infloJ!s to project during!these years. Based on monthly outflow s~s~ended sediment cpncentration for 2-3 years of simulations for each of the three years.i . ~--'~ TABLE E.2.4.26:SETTLING COLUMN RUN#l TOTAL SUSPENDED SOLIDS AND TURBIDITY Susi tna River (8/6/84) o Hours Top Middle Bottom 3 Hours Top Middle Bottom 6 Hours Top Middle Bottom 12 Hours Top Middle Bottom 24 Hours Top Middle Bottom 48 Hours Top Middle Bottom 72 Hours Top Middle Bottom 96 Hours Top Middle Bottom TSS (mg/1 ) 181 117 146 108 120 115 122 63 105 III 49 85 100 34 64 74 32 59 66 34 48 69 38 49 56 Avg TSS 124 119 93 78 57 52 50 48 Averagel./ Percent Remaining 100 96 75 63 46 42 41 39 Turbidity (NTU) 172 174 148 134 154 136 144 125 126 100 118 126 90 108 104 90 108 112 76 112 120 90 94 104 Avg Turbidity 165 141 138 115 101 104 103 96 1-----------~l+I--A~vme~l~a~g~e~Percent Remaining Average TSS at Time (T) Average 188 at Time 0 x 100 Note:Top refers to upper 1/3 of settling column. Middle refers to middle 1/3 of settling column. Bottom refers to lower 1/3 of settling column. I 1 TABLE E.2.4.27:SETTLING COLUMN RUN#2 j TOTAL SUSPENDED SOLIDS AND TURBIDITY Average.!/'j TSS Avg Percent Turbidity Avg (mg/1)TSS Remaining (NTU)Turbidity ] Susitna River 410 (8/6/84) 10Hours Top 2:./320 308 Middle 355 342 100 308 304 ]Bottom 350 296 3 Hours cJTop230304 Middle ~OO 283 83 280 300 Bottom 320 316 .) 6 Hours Top 190 280 Middle 260 243 71 316 291 -j Bottom 280 276 12 Hours ITop160232 Middle 245 215 63 240 228 Bottom 240 21-2- ]24 Hours Top 145 244 Middle 220 190 55 280 268 IBottom205280 48 Hours ]Top 155 240 'Middle 241 72 Hours j Top 93 220 Middle 122 112 33 268 247 1Bottom120252 96 Hours jTop78204 Middle 106 101 30 208 Bottom 119 220 1(T)1/..Average TSS at TimeAveragePercentRema1n1ng=Average TSS at Time 0 100x 11:../Top refers to upper 1/3 of settling column. Middle refers to middle 1/3 of settling column. Bottom r~fers tolower.l/.3.oLsettlingcol-umn •.--_..__.,.__..•..__...~_._..,..,--_..__._"'.". J TABLE E.2.4.28:AVERAGE TOTAL SUSPENDED SOLIDS AND TURBIDITY VALUES SETTLING COLUMN TESTS o HOUR 6 HOUR 12 HOUR 24 HOUR 48 HOUR 72 HOUR INE TSS Turb TSS Turb TSS Turb TSS Turb TSS Turb TSS Turb NTU Ratio HE mg!l NTU mg!l NTU mg!l NTU mg!l NTU mg!l NTU mg!l NTU TSS 1 6,280 3,200 2,310 2,900 2,060 2,200 1,260 1,900 1,240 1,500 780 1,500 1.94 2 53,800 14,2~0 5,300 7,100 14,100 5,400 1,800 2,900 800 1,700 620 1,200 1.94 3 11,200 6,700 3,410 6,500 4,080 5,300 3,600 5,200 3,400 4,700 2,800 3,700 1.32 4 33,500 10,700 5,310 6,800 2,690 4,000 1,430 2,300 540 1,300 190 1,400 7.37 5 5,480 5,300 3,990 4,200 3,260 2,900 1,840 2,900 1,280 _2,300 1,000 1,700 1.70 6 8,100 3,100 4,250 2,300 1,850 1,600 1,410 1,300 1,130 1,100 810 1,200 1.48 7 17,200 6,300 2,760 2,800 1,730 2,200 1,320 2,000 1,030 1,600 1,160 1,980 1.71 8 13,700 6,100 2,900 3,600 2,290 2,500 1,850 2,500 1,590 1,900 1,130 1,200 1.06 9 12,700 7,900 2,710 4,800 1,130 2,100 700 1,280 330 600 180 420 2.33 10 18,100 7,400 4,950 5,600 3,700 5,100 3,480 5,100 2,430 3,600 2,290 3,000 1.31 11 3,030 2,700 1,780 2,400 1,470 1,700 1,280 2,000 1,350 2,600 1,170 2,000 1.77 12 20,700 8,500 6,550 6,800 4,180 5,300 2,180 4,300 1,840 3,100 1,110 2,400 2.16 13 27,900 10,200 1,470 1,800 490 680 200 330 52.3 .180 42.9 110 2.56 14 25,600 11,100 0,400 6,800 1 534 630 232 370 68.8 130 35.2 45 1.28 Porcu-8,610 4,300 2,830 2,800 1,630 2,300 873 1,500 740 1,400 651 1,300 2.0 pine Note:The values listed above are average values of the column ports sampled. Average values for Porcupine Creek listed under 6 hour and 12 hour were sampled at 4 and 7 hours,respectively. Total Suspended Solids and Turbidity values for Porcupine Creek after 528 hours (22 days)are 120 mg!l and 390 NTU,respectively. TAB E E.2.4.29:TROPHIC STATUS AND RATES OF ANNUAL PRIMARY (Page 1 of 2) PRODUCTIVITY OBSERVED IN VARIOUS LAKES, LAKE-RESERVOIRS AND RESERVOIRS IN TEMPERATE, SUBARCTIC AND ARCTIC REGIONS OF THE NORTHERN HEMISPHERE j Water Body Trophic Classi fication Annual Primary Productivity gCm-2 yr-l Approximate Estimates Latitude '.1 Ultra-Oligotrophic <1 44 Ultra-Oligotrophicl!<2 50 Ultra-Oligotrophicl!4 74 Ultra-Oligotrophic 11 Ultra-Oligotrophicl!5-20 66 Ultra-Oligotrophicl!5-20 62 Ultra-Oligotrophicl!,5-20 53 Ultra-Oligotrophicl!5-20 53 Ultra-Oligotrophicl!1-20 63 Ultra-Oligotrophicl!5-20 54 Ultra-OligotrophieY 5-20 54 Ultra-Oligotrophicl!5-20 60 __.Ultra_Oligotrophic---<30 -53 Ultra-Oligotrophicl! Wal do (Oregon) Experimental Lakes Area Char (N.W.T.Canada) Meretta (NW.T.-Canada) Great Bear (N.W.T.Canada) Great Slave (N.W.T.Canada) Winnipeg (Manitoba,Canada) Smallwood Res.(Labrador Plateau, Canada) Watana -Devil Canyon Reservoir (Alaska) Gabbro Lake (Labrador Plateau, Canada) Lobstick Lake (Labrador Plateau, Canada) Tustumena lake (Alaska) LaGrande Lake-Reservoirs Quebi:lg ,~§rll'H:ll:!L ....__. Southern Indian LK Reservoirs (Manitoba,Canada) Koocanusa Reservoir (Montana-British Columbia)Ultra-Oligotrophic 29 ...49_ Kamloops (British Columbia,Canada)Ultra-Oligotrophic 32 50 Castle (California)Ultra-Oligotrophic 36 40 Lawrence (Michigan)Oligotrophic 41 42 Lunzar Untersee (Austria)Oligotrophic._____~?___.4!L_ -----------------Supefior--CUSA=Caniida)'·...-...··-----OITgotrophi c·---50 48 ......_-_...---'.--'-----..-------------T-ahoe-fNevada=Cai-ifom'i:a-)---OTigoEropl1lc-------------70---39 Cresent Lake (Alaska)OligotrophieY <90 61 George (New York)Oligo-Meso trophic 72 48 Huron (USA-Canada)Oligotrohpic 100 48 Flathead (Montana)Oligo-Meso trophic 123 48 Michigan (USA)Mesotrophic 130-150 45 l/Estimated Source:(MODIFIED AFTER STUART,1983) ] TABLE E.2.4.29 (Page 2 of 2) Annual Primary Productivity Trophic .gcm-2 yr-l Water Body Classification Approximate Estimates Latitude Clear (Calfornia)Mesotrophic 160 42 Crooked (Indiana)Mesotrophic 171 40 "Ontario (USA-Canada)Mesotrophic 180 44I !Erie (USA-Canada)(East Basin)Mesotrophic 180 42 Belwood Reservoir (Ontario)Mesotrophic <200 43 Cayuga (New York)Mesotrophic 200 43 North Lake Reservoir (Texas)Mesotrophic 200 33 Sammamish (Washington)Mesotrophic 238 48 Esrom (Denmark-1959)Mesotrophic 260 55 I Lac Leman (Switzerland-1975)Eutrophic 300 46 .)Minnetonka (Minnesota)Eutrophic }OO 46 Erie (USA-Canada)(West Basin)Eutrophic 310 42 Waco Reservoir (Texas)Eutrophic 310 31 Washington (Washington-1971)Mesotrophic 354 48 Frederiksborg Slotss~(Denmark)Europhic 376 56 Wintergreen (Michigan)Europhic 369 43 Soller~d So (Denmark)Eutrophic 522 56 Sylvan (Indiana)Eutrophic 570 40 Lanao (Philippines)Eutrophic 620 15 Victoria (Africa)Eutrophic 640 0 Washington (Washington 1963-64 Pre Diversion of Sewage)Eutrophic 766 48 Mendota (Wisconsin 1965-1966)Eutrophic noo 43 i j 1 .~) E.2.4.30:PERCENT OF TIME NAVIGATION FLOWS EXCEEDED DURING STAGE I OPERATION Gold Creek..!.!Sunshine,Z,1 Susitna Station11 Stage I Stage I Stage I Natural Load Natural Load Natural Load 27 May 2 Jun 100 100 94 83 88 70 3 Jun 9 Jun 100 100 100 97 100 91 10 Jun 16 Jun 100 100 100 100 100 90 17 Jun 23 Jun 100 100 100 100 100 100 24 Jun 30 Jun 100 100 100 100 100 100 1 Jul 7 Jul 100 100 100 100 100 100 8 Jul 14 Jul 100 100 100 100 100 100 15 Jul 21 Jul 100 100 100 100 100 100 22 Jul 28 Jul 100 100 100 100 100 100 29 Jul 4 Aug 100 100 100 100 100 100 5 Aug 11 Aug 100 100 100 100 100 100 12 Aug 18 Aug 100 100 97 96 97 97 19 Aug 25 Aug 100 100 96 96 97 97 26 Aug 1 Sep 98 100 93 94 96 95 2 Sep 8 Sep 100 100 91 94 75 75 9 Sep 15 Sep 97 100 82 86 63 63 16 Sep 22 Sep 94 100 67 71 62 59 23 Sep 30 Sep 84 100 43 56 42 43 II ,Z,I Estimated Navigable flow =6,000 cfs at Gold Creek Portage Creek to Chulitna. 11 Estimated flow for jetboat to n"l,,~g~_~_~Al~:lC.?]J<iE?J:'-SlQ1JglL:::_6-0_,-O_OO-_aLBusitna-SEaEfon:-Es-£Imal::e-based-on--aer-ial photography.Flow value deRendent on recent ------ch-crnges co cnanneI morphology of Alexander Slough. ,'} -_.--~--'--'.-----,'---._-----,,-,----'-.,;,---.,--"--~.----,- TABLE E.2.4.31 WITH-PROJECT WATANA MONTHLY FLOWS (CFS)1 STAGE :II: YEAR OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP ANNUAL 1951 6242 7522 8333 7601 6283 5725 4981 3793 1716 6887 16394 17206 7734 1952 6585 7485 8333 7803 7238 5725 5052 4406 2811 8770 17356 ll571 7777 1953 7158 7440 8338 7962 7741 5725 6216 4264 2615 10601 16682 11514 8035 1954 6156 7508 8333 7803 6845 5725 4981 3484 3047 5129 20422 9166 7401 1955 5909 7457 8333 7803 7238 5725 6226 4638 3083 10942 23537 13448 8719 1956 6267 7550 8333 7803 6845 5725 4981 3557 2810 21933 19153 13194 9051 1957 5891 7442 8333 7889 '7719 6030 6226 4336 2516 11889 17318 14841 8381 1958 6537 7355 8230 7827 7916 7276 6559 4673 1903 9853 18843 5979 7770 1959 6036 7521 8333 7803 6845 5725 4981 3130 3030 6079 23074 13362 80ll 1960 6772 7471 8333 7870 7717 6030 6226 4659 2565 4405 17311 16086 7954 1961 7278 7483 8334 7808 7891 7156 6418 4443 2854 13635 19480 10146 8603 1962 6712 7523 8333 7824 7689 6030 6359 4741 6293 23444 19887 12746 9833 1963 6566 7588 8338 7953 7704 6343 6307 4214 3303 20760 21011 10800 9278 1964 6501 7501 8333 7803 7238 5725 4981 3643 5429 20083 14048 7524 8263 1965 6260 7517 8333 7803 7238 5725 5326 4684 2809 11923 17394 16226 8451 1966 7363 7502 8333 7803 6845 5725 5052 4657 2546 5847 17391 9214 7375 1967 6155 7496 8333 7803 6451 5725 4981 3793 2869 15275 25980 13803 9096 1968 6158 7528 8333 7803 7631 6030 6559 4428 2933 17378 14148 7371 8049 1969 6202 7504 8333 7601 6283 5725 4981 3793 2964 4558 67ll 6055 5895 1970 4995 5400 5250 4916 4948 4508 3922 3272 3048 3141 10713 7480 5136 1971 5910 7414 8333 7803 7238 5725 5052 4406 2894 8054 27447 12189 8568 1972 6392 7533 8335 7848 7866 7184 6398 3544 3839 19820 17510 10974 8965 1973 6244 7553 8333 7803 7238 5725 4981 3793 2574 5022 17806 8100 7111 1974 6201 7525 8333 7601 6283 5725 4981 3793 2414 3623 9482 9786 6314 1975 6208 7521 8333 7803 6451 5725 4981 3743 2624 18878 15127 13075 8403 1976 6692 7558 8333 7803 7238 5725 4981 3793 2383 4038 17587 5718 6835 1977 6128 7453 8333 7803 6845 5725 5616 4141 2644 16331 16807 10613 8232 1978 6526 7404 8349 7866 7893 72ll 6565 5199 2953 3743 13026 7282 7005 1979 6042 7483 8333 7803 6845 5725 5616 4741 1876 17422 16671 9097 8172 1980 6926 7474 8449 7910 7938 7261 6557 4835 3658 16570 18000 11000 8908 1981 7201 7525 8455 7967 7880 7213 6481 5013 1712 17554 30401 11815 9985 1982 6131 7375 8372 7805 7838 7238 6452 4823 2619 9710 13206 13992 7968 1983 6599 7500 8333 7877 7926 6865 6429 4558 1858 8811 20862 11192 8253 MAX 7363 7588 8455 7967 7938 7276 6565 5199 6293 23444 30401 17206 9985 MIN 4995 5400 5250 4916 4948 4508 3922 3130 1712 3141 6711 5718 5136 MEAN 6392 7428 8245 7727 7205 6095 5649 4212 2885 11579 17903 10987 8046 '" . TABL E\E.~.4.32 WITH-PROJECT DEVIL CANYON MONTHLY FLOWS (CFS),STAGE:rr I YEAR OCT NOV DEC JAN I FEB MAR APR MAY JUN JUL AUG SEP ANNUAL 1951 6594 7646 8457 7699 6378 5801 5184 5511 8195 8231 13887 19799 8616 1952 7214 7854 8589 8012 7340 5817 5127 5305 6921 11521 19647 13441 8918 1953 8390 7916 8608 8143 7874 5820 6370 6980 7299 11538 19207 13928 9356 1954 7046 7829 8535 7939 6972 5815 5169 7073 7040 8019 23078 11579 8867 1955 6880 7913 ~650 8064 7462 5863 6392 6310 7168 12512 24960 13989 9707 1956 6813 7751 8500 7908 6983 5883 5130 6583 7136 24964 22610 16496 10608 1957 6918 7939 8612 8098 7919 6199 6390 6634 7474 12291 19389 18029 9669 1958 7937 8009 8876 8138 8085 7388 6731 6565 8114 9251 20064 6989 8867 1959 6771 7792 8589 8040 7075 5908 5215 6890 7118 8476 27377 16226 9650 1960 7667 7880 8672 8155 7917 6182 6374 6418 7623 8151 15076 18930 9084 1961 8400 7914 8798 8241 8179 7464 6858 6836 7139 16676 21164 12219 10021 1962 7533 7804 8552 8011 7845 6173 6515 5548 10956 24991 22242 14767 10947 1963 7314 7775 8525 8140 7907 6416 6341 6613 6735 24381 22721 11777 10432 1964 7312 7797 8525 7929 7355 5814 5069 4305 10203 21926 15586 8840 9251 1965 7245 7794 8424 7865 7294 5785 5408 5985 7312 13330 19789 18234 9556 1966 8638 7845 8606 8022 7047 5926 5333 6296 7406 8808 19322 10844 8697 1967 6729 7752 8576 8059 6688 5923 5185 5673 7128 17231 30168 15857 10460 1968 6725 7799 8558 8036 7850 6249 6774 6583 7055 19813 16091 8433 9193 1969 6644 7681 8415 7669 6357 5809 5140 5052 7263 7720 7423 6458 6808 1970 4777 2931 2973 5037 5055 4606 3983 4591 6291 6252 12083 8700 5613 197:1 6887 8000 8721 8025 7405 5875 5224 5440 6983 9026 30048 13636 9636 19712 6950 7857 8,690 8213 8211 7478 6659 7348 8340 21717 18654 11902 10201 197:3 6583 7730 8472 7912 7367 5806 5054 4959 7476 8415 14247 8726 7737 197:4 6635 7633 8i397 7659 6339 5787 5058 5909 7706 7941 7970 8834 7161 197:5 6626 7666 8.543 7997 6682 5956 5227 6109 7334 20576 17032 15155 9607 197,6 8017 7810 8465 7942 7371 5859 5182 6159 7606 8022 13417 6469 7706 197:7 6706 7918 8793 8112 7112 5975 5923 6783 7313 17964 18371 11916 9438 197i8 7668 7970 8,740 8156 8150 7435 6755 5772 7299 7030 10134 8229 7777 19719 6770 7862 8'568 7971 6994 5788 5700 5706 8155 15006 19107 10172 9011 198;0 7676 7904 ,8:696 8089 8087 7405 6729 6072 6513 19832 20196 12342 9994 1981 7904 7863 '8:506 8067 8127 7421 6738 6386 8316 16835 35114 13180 .11254 198,2 6814 7995 8716 8191 8163 7434 6830 6434 7450 10366 14536 16427 9115 198i3 7717 7822 .8631 8178 8174 7035 6644 6663 8145 8071 21703 12731 9307 MAX 8638 8009 8876 8241 8211 7478 6858 7348 10956 24991 35114 19799 11254 MIN 4777 2931 2973 5037 5055 4606 3983 4305 6291 6252 7423 6458 5613 MEAN 7167 7686 8424 7931 7387 6245 5831 6106 7582 13542 19164 12583 9160 '---'---,--------------J.., /' ~--~.._.._-- ~-----_._-~---"----'----------/.~-._--~-"------.~~--~'---_._-..~._---'---.-----~ TABLE E.2.4-33 WITH-PROJECT GOLD CREEK MONTHLY FLOWS (CFS),STAGE l[ YEAR OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP ANNUAL 1951 6781 7719 8527 7749 6434 5849 5479 6399 8800 9000 15415 21077 9106 1952 7608 7993 8741 8103 7426 5876 5187 5866 9123 12738 21640 14058 9552 1953 9041 8165 8788 8244 7966 5874 7144 8061 9146 12681 20431 15323 10091 1954 7527 8002 8661 8004 7047 5878 5616 8774 9063 10398 23735 13116 9681 1955 7331 8244 8844 8195 7581 5955 6643 7063 8971 13584 25575 14753 10256 1956 7066 7895 8603 7975 7059 5972 5317 8065 9448 26787 24532 18391 11474 1957 7418 8265 8785 8210 8023 6311 6629 7874 9117 13525 20542 19758 10384 1958 8678 8440 9209 8301 8187 7450 6906 7919 9003 11006 20647 7652 9476 1959 7129 7964 8747 8182 7190 6023 5436 8664 9136 10178 29801 17891 10560 1960 8101 8148 8878 8309 8037 6271 6746 6671 8905 9000 16900 20605 9713 1961 8986 8202 9043 8444 8369 7645 7398 7737 9671 18415 21981 13452 10810 1962 7885 8040 8695 8099 7951 6258 6735 6434 12965 26016 23478 15804 11566 1963 7613 7961 8655 8250 7995 6486 6482 7197 9286 26774 23182 12434 11073 1964 7726 7991 8635 8005 7413 5872 5123 6323 11141 22938 16456 9557 9799 1965 7752 7945 8511 7899 7333 5816 5486 6614 8984 15076 20967 19403 10169 1966 9331 8050 8758 8142 7166 6040 5553 7161 9898 10148 20818 11830 9432 1967 7031 7906 8715 8196 6814 6046 5327 6568 8970 19088 32316 17040 11219 1968 7026 7957 8688 8166 7971 6370 6899 7666 9253 21266 17217 9073 9827 1969 6877 7785 8466 7707 6398 5855 5262 5585 7867 8000 8000 6767 7054 1970 5032 3000 3031 5104 5114 4660 4036 5171 7867 8000 13.173 9383 6140 1971 7430 8316 8943 8144 7500 5960 5331 5830 8800 10285 31318 14512 10230 1972 7247 8047 8892 8416 8406 7642 6889 10099 10093 22678 19339 12461 10887 1973 6742 7847 8554 7977 7426 5862 5107 5368 8800 9000 14987 9246 8085 1974 6869 7697 8438 7688 6373 5822 5145 6832 9022 9000 9000 9584 7630 1975 6858 7744 8661 8104 6812 6084 5403 7601 9121 21946 18176 16385 10276 1976 8716 7983 8542 8019 7442 5937 5412 7594 8934 9000 13556 6953 8189 1977 7023 8186 9043 8285 7254 6119 6097 8541 9367 19289 18975 12700 10107 1978 8286 8296 8962 8315 8297 7559 6962 5988 7867 8000 11161 8766 8207 1979 7145 8099 8704 8065 7076 5824 5783 6117 8885 16453 20332 10877 9477 1980 8052 8164 8844 8191 8172 7484 6893 6709 9320 21667 21739 13329 10749 1981 8234 8098 8592 8126 8259 7537 7034 7325 8892 19998 36750 14009 11961 1982 7837 8388 8915 8407 8341 7544 7082 7918 8991 11372 15639 17654 9845 1983 8331 8007 8793 8343 8313 7134 6856 8185 9012 9038 22825 13623 9890 MAX 9331 8440 9209 8444 8406 7645 7398 10099 12965 26787 36750 21077 11961 MIN 5032 3000 3031 5104 5114 4660 4036 5171 7867 8000 8000 6767 6140 MEAN 7597 7895 8571 8041 7489 6334 6042 7149 9204 14919 20321 13560 9785 I I 'TABLE E12.4.34 I I WITH-PROJECT:SUNSHINE MONTHLY FLOWS (CFS),STAGE:II YEAR 1951 1952 1953 1954 1955 1956 1957 1958 1959 1960 1961 1962 1963 1964 1965 1966 1967 1968 1969 1970 1971 1972 1973 1974 1975 1976 1977 1978 1979 1980 1981 1982 1983 MAX; MIN MEAN OCT 14605 15474 21708 14049 14284 15781 14337 16363 16913 16292 18135 17087 13705 17753 16981 20351 14467 12879 11674 11349 14474 15766 15331 11320 12883 16439 14845 17935 13142 17017 17045 16746 18852 21708 11320 15636 NOV 10523 12481 12169 10764 12254 10927 11799 13194 11640 12039 11763 12212 10811 11432 12736 11378 10636 11058 10245 5805 12414 11755 11707 10330 10565 10573 12252 12358 11818 12686 12755 11874 13641 13641 5805 11533 DEC 10746 12093 11202 10933 11508 11Q49 11468 12!'j18 10904 11656 12114 11455 11361 10444 11897 11125 11096 11225 10~54 5025 11616 11335 11490 10539 11046 10513 12130 11908 11665 11426 11500 10546 12365 12518 5025 11156 JAN I 9997 10505 10152 9891 10460 9929 10778 10453 10294 10511 10982 10351 10609 9693 10338 10162 10409 10390 9210 6897 10050 10459 10107 9432 10133 9786 10637 10891 10458 10385 10557 9510 11312 11312 6897 10173 FEB 8374 8913 9435 8676 9063 8717 9993 10034 8947 9804 10305 9711 9866 8814 9459 8898 8730 10080 7769 6806 8995 10204 9321 8083 8484 9308 9101 10180 9013 10173 10349 9830 10968 10968 6806 9285 MAR 7178 7368 7245 7323 7371 7592 8203 9593 7652 7791 9431 7803 7796 7122 7759 7631 7654 8390 7130 6278 7374 9173 7415 7368 7577 7663 7837 9123 7563 9301 9364 9217 8931 , 9593 6278 7946 APR 7706 6958 9926 7255 8557 6877 8560 10018 7974 8420 9981 8767 7762 6869 7658 7441 6871 9410 7264 6161 6920 8499 6750 6849 7037 7961 7870 8950 8244 9299 9550 9123 9219 10018 6161 8082 MAY 18001 15752 30363 20432 15517 22128 20483 37836 25462 25042 21984 19187 23737 15425 18939 14252 23969 28429 16078 19494 12811 25012 19243 19003 21419 24406 20609 15489 25'860 15584 27448 20982 25162 37836 12811 21380 ;----' JUN 38012 55841 45850 39177 41288 50384 46055 47235 36383 34402 40278 49561 37123 78540 41390 46555 46071 55104 33014 37161 52497 42352 44986 33877 46433 48167 64619 34601 41990 39572 40104 45277 40412 78540 33014 44676 JUL 47909 58008 44043 44342 59574 67497 52249 48636 45550 43643 55708 66923 73025 62552 52731 46157 69922 64721 37295 46400 51756 62693 39456 41977 64168 49285 63057 48168 66272 63978 74011 49775 42115 74011 37295 54654 AUG 44104 57108 49175 63768 57382 52563 54642 65139 74632 51650 57701 55675 50940 45898 56359 60794 82710 47063 24031 48434 74023 51364 44718 37350 51095 49619 58707 43780 57662 46141 83050 46558 58206 83050 24031 54607 SEP 41369 37239 38821 31897 39355 42412 35743 27982 36180 41521 35124 33867 28823 23957 54110 30568 40600 21397 15983 27597 32756 34388 22711 26832 37183 21923 34461 25404 24144 29764 32679 48596 29510 54110 15983 32876 ANNUAL 21620 24906 24268 22489 23990 25602 23785 25892 24519 22822 24577 25334 23940 24949 25114 23047 27936 24294 15886 19048 24752 24535 20346 18656 24115 22242 26447 20823 24136 23050 28396 24068 23495 28396 15886 23609 -----,_.-- ----~-,----~-',,--,------._--~. ';:--'-~--'--'-'--~"-----'"--.-----~--,.~--~ ". TABLE E.2.4.35 WITH-PROJEC'l'SUSITNA STATION MONTHLY FLOWS (CFS),STAGE lI: YEAR OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP ANNUAL 1951 55011 21761 17078 14626 14055 11707 13376 53219 93888 111769 99856 83670 49413 1952 32894 20045 17720 14281 12487 10730 8862 34368 76656 101759 99128 64391 41330 1953 38686 23999 17957 15697 14107 10554 12372 43080 78259 111731 118233 102881 49190 1954 46185 24632 17898 14985 12760 11526 12306 45325 69037 84966 97388 56359 41353 1955 31732 20538 16207 14554 13354 11036 12401 49717 92548 139663 116529 79947 50136 1956 48658 22434 17609 15579 13731 10958 10531 46901 122219 128338 99800 58274 49839 1957 26561 22095 14180 13756 13664 10912 11635 49933 107511 95779 106490 65985 45056 1958 30123 26894 16874 14880 13688 12478 11801 34755 66538 87549 94631 43686 38030 1959 30223 19799 15139 14122 12338 10301 10632 44869 86421 102616 90876 41366 40122 1960 26442 20310 16024 14925 14888 13277 14830 65031 92537 127835 151503 92542 54492 1961 34681 18848 16949 14943 15998 13954 14719 60428 93741 117358 114665 78275 49802 1962 43145 24613 17233 14821 14515 11918 14351 42807 88096 157964 118230 65372 51422 1963 25277 16377 16065 14940 13582 11749 11114 45184 86982 138553 102520 66576 46013 1964 32563 16947 13845 14982 13337 10505 9786 32481 87906 117667 98433 41397 41066 1965 30458 18620 16525 14340 12982 10993 12375 52794 99874 129515 100623 82330 48691 1966 45884 26378 16409 14758 13602 11261 10076 31980 82197 107799 132328 102429 49825 1967 42920 16267 13657 13066 12106 10694 9314 19949 53169 102204 120486 72763 40813 1968 36750 19633 16004 14890 14745 12109 18011 80071 120970 127272 93898 39965 49811 1969 16543 14399 13867 14419 12256 11034 12959 78601 112426 106927 79830 39255 42937 1970 29460 11370 7915 10983 11035 9992 11179 63458 107493 128069 108870 56455 46644 1971 22275 17677 15379 14744 12793 10290 9904 41656 103178 126043 115109 65877 46487 1972 26044 15402 14273 14773 14006 12008 12326 46186 93668 126346 102305 60030 45027 1973 27228 21123 16280 13965 12572 10153 9302 39356 85864 90169 85611 59739 39448 1974 30144 18167 15721 15117 13588 12532 13970 59129 72853 82662 80642 52636 39133 1975 22617 16466 16475 15185 13144 11732 10702 40386 104931 129821 91158 78236 46100 1976 32433 15995 13495 13541 12148 10402 12951 63743 91638 106567 91922 49369 43107 1977 33100 23955 19765 16572 14515 11416 10727 52814 136429 139559 125554 84333 55978 1978 38842 19425 14659 13268 13397 12544 12419 42673 79670 104886 96405 55784 42234 1979 38742 20857 16349 15489 13726 11665 13462 72841 104342 130017 127743 77832 53910 1980 59665 35269 21099 16574 15739 14990 17598 61485 122530 168263 129041 91476 63155 1981 35210 20974 15239 13881 13859 12135 16313 73899 97584 140209 157254 67269 55712 1982 33943 22679 18229 15154 13808 11791 11170 39232 90675 101635 95731 109195 47083 1983 35412 20596 16348 14448 14714 12583 12980 56182 87708 91672 105897 52378 43645 MAX 59665 35269 21099 16574 15998 14990 18011 80071 136429 168263 157254 109195 63155 MIN 16543 11370 7915 10983 11035 9992 8862 19949 53169 82662 79830 39255 38030 MEAN 34541 20441 16014 14614 13553 11574 12317 50440 93622 117066 107536 67820 46879 "--- TABLE E.2.4.36 I MqJNTHLY MAXIMUMIMIN~MUM AND MEAN FLOWS AT DEVIL CANYON (CFS) i ISTAGE II -WATANA (DOW)-DEVIL CANYON OPERATIONS I 1 MORTH -I:NATURAL CONDITIONS WITH PROJECT CONDITIONS I MAX MIN MEAN MAX MIN MEAN OCT 7518 2867 5363 8638 4777 7167 NOV 3955 1146 2402 8009 2931 7686 DEC 2905 810 1703 8876 2973 8424 JAN 2212 687 1429 8241 5037 7931 FEB 1858 682 1216 8211 5055.7387 MAR 1779 664 1086 7478 4606 6245 APR 2405 697 1340 6858 3983 5831 MAY 19777 3428 12462 7348 4305 6106 JUN 147814 14710 26043 10956 6291 7582 JUL 132388 15651 23075 24991 6252 13542 AUG 35256 8484 20654 35114 7423 19164 SEP [19799 .4796 12555 19799 6458 12583 :! ANNUAL 111254 5352 9159 11254 5613 9160 ..-' TABLE E.2 .4.37 ~IONTHLY MAXIMUM,MINIMUM AND MEAN FLOUS AT GOLD CREEK (CFS) STAGE II -WATANA (LOW)-DEVIL CANYON OPERATIONS MONTH NATURAL CONDITIONS WITH PROJECT CONDITIONS MAX MIN MEAN MAX MIN ~lEAN OCT 8212 3124 5825 9331 5032 7597 NOV 4192 1215 2589 8440 3000 7895 DEC 3264 866 1844 9209 3031 8571 JAN 2452 724 1543 8444 5104 8041 FEB 2028 723 1311 8406 5114 7489 MAR 1900 713 1169 7645 4660 6334 APR 2650 745 1441 7398 4036 6042 MAY 21890 3745 13483 10099 5171 7149 JUN 50580 15500 27795 12965 7867 9204 JUL 34400 16100 24390 26787 8000 14919 AUG 37870 8879 21911 36750 8000 20321 SEP 21240 5093 13493 21077 6767 13560 ANNUAL 11961 5596 9785 11961 6140 9785 TABLE E.2.4.38 ~ONTHLY MAXIMUM,MINIMUM AND MEAN FLOWS AT SUNSHINE (CFS) STlIGE II -WATANA q:.0l'J)-DEVIL CANYON OPERATIONS , MONTH NATURAL CONDITI0NS WITH PROJECT CONDITIONS ! MAX MIN MEAN MAX MIN MEAN ! OCT 20837 8176 13799 2170;8 11320 15636 NOV ]8775 4020 6185 13641 5805 11533 DEC :6547 2675 4426 1251'8 5025 11156 JAN i 5216 2228 3674 11312 6897 10173 FEB 14664 2095 3115 1096'8 6806 9285 MAR ]3920 1972 2786 9593 6278 7946 APR 15528 2233 3585 10018 6161 8082 MAY 43121 10799 27674 37836 12811 21380 JUN 116152 40702 63268 78540 33014 44676 JUL ~5600 45226 !64143 74011 37295 54654 AUG 84940 25092 I 56148 83050 24031 54607 SEP 54110 14320 32867 54110 15983 32876 28262 I 28396ANNUAL1443123607 15886 23609 ---'..-----I TABLE E.2.4.39 MONTHLY MAXIMUM,MINIMUM AND MEAN FLOHS AT SUSITNA STATION (CFS) STAGE II -WATANA (LOW)-DEVIL CANYON OPERATIONS MONTH NATURAL CONDITIONS WITH PROJECT CONDITIONS MAX MIN MEAN MAX MIN MEAN OCT 58640 13476 32777 59665 16543 34541 NOV 31590 8251 15063 35269 11370 20441 DEC 14690 5753 9267 21099 7915 16014 JAN 10120 6365 8112 16574 10983 14614 FEB 9413 5614 7383 15998 11035 13553 MAR 8906 5271 6412 14990 9992 11574 APR 13029 4613 7684 18011 8862 12317 ~1AY 88470 28713 56770 80071 19949 50440 JUN 165900 73838 112256 136429 53169 93622 JUL 181400 92511 126590 168263 82662 117066 AUG 159600 80891 109084 157254 79830 107536 SEP 109700 37592 67721 109195 39255 67820 ANNUAL 63159 38030 46871 63155 38030 46879 TABLE E.2.4.40:SUSITNA HYDROELECTRIC PROJECT DEVIL CANYON CONE VALVE OPERATION THREE STAGE PROJECT,STAGE II Week of Week of Duration Power-Maximum First Maximum of Maximum house Total Watana Release Year Release Release Release Release Flow Release Du:t:ing Period Weeks efs efs ae-ft efs 1950 Aug 12 Aug 19 3 7,224 9,438 192,000 16,096 1951 Aug 5 Sept 2 8 18,670 9,584 991,000 24,000 1952 July 22 July 29 10 31,395 3,135 1,142,000 24,000 1953 July 15 July 29 10 14,870 9,135 1,146,000 20,931 1954 July 29 Aug 5 8 14,462 9,161 1,062,000 23,280 1955 July 15 Aug 26 10 35,491 700 1,736,000 24,000 1956 July 1 July 15 13 23,898 6,283 2,327,000 24,000 1957 July 15 July 22 11 15,793 8,788 1,444,000 22,198 1958 July 29 July 29 5 26,020 3,371 876,000 24,000 1959 July 29 Aug 19 7 38,000 430 1,841,000 24,000 1960 Aug 5 Sept 9 9 16,303 10,283 1,039,000 22,570 1961 July 8 ..Aug 5 12 15,8.95 9,166 1,402,000 23,083 1962 June 24 June 24 14 20,9.75 8,161 2,362,000 24,000 1963 July 8 July 15 10 33,185 2,222 2,288,000 24,000 1964 June 24 July 8 11 16,189 8,820 1,318,000 22,938 1965 July 15 Aug 12 12 20,500 8,211 1,558,000 24,000 1966 July 29 July 29 8 15,626 9,153 823,000 22,511 1967 July 15 Aug 12 10 38,000 0 2,636,000 24,000 1968 J~Jy 1 .:ru~y_8 11 !§15~.4 .__~8~~_1~.17.~~009 22,504 1969 -S:75r' 1970 Aug 12 Aug 19 4 9,464 9,446 237,000 16,486 1971 July 29 Aug 5 7 38,000 0 1,891,000 24,000 1972 June 24 July 8 13 15,443 8,818 1,619,000 22,096 197'3 Aug 12 Aug 26 4 12,510 9,750 415,000 20,593 1974 Sept 2 Sept 2 2 5,574 10,012 91,000 13,395 1975 July 8 July 8 12 20,910 7,526 1,602,000 24,000 1976 Aug 5 Aug 12 4 11,185 9,301 277,000 19,534 1977 ···July1 July 15 ....······-·12 '-15-;230 8;775 1;338,000·21',740 .....-...----.-----1-97·8--·-Aug-l-2----Aug-I-2----······4-··--···--·6-41-2----····9,2-9-5--··---164,000----1.4.,-5.7-2.---., 1979 July 15 July 22 8 25,737 5,131 1,204,000 24,000 1980 July 8 July 15 11 26,498 5,087 1,641,000 24,000 1981 July 15 Aug 12 10 38,000 0 2,876,000 24,000 1982 July 22 Sept 16 10 14,207 10,505 875,000 21,010 1983 July 29 Aug 5 8 16,221 9,167 980,000 22,829 \ I J j j I \ I i i i I .1 I J ! J 1 l TABLE E.2.4.41:SUSITNA HYDROELECTRIC PROJECT SIMULATED STREAM TEMPERATURES STAGE II WEATHER PERIOD:SUMMER 1981 CASE E-VI FLOW REQUIREMENTS STAGED CONSTRUCTION 50 FT DRAWDOWN AT DEVIL CANYON 2 LEVEL INTAKE PROPOSED PROJECT RIVER MAY JUNE JULY MILE 31 32 33 34 35 36 37 38 39 40 41 42 43 44 15011 2.4 3.0 3.9 4.4 4.9 6.0 5.6 4.8 6.5 8.4 7.7 5.9 5.1 9.1 140 2.7 3.4 4.3 4.8 5.4 6.3 6.1 5.4 6.9 8.7 8.1 6.3 5.4 9.3 130 3.0 3.9 4.7 5.3 6.0 6.4 6.6 6.1 7.2 8.6 7.7 6.6 5.7 9.3 120 3.3 4.5 5.3 5.9 6.7 6.8 7.2 6.8 7.7 9.0 8.2 7.0 6.0 9.6 110 3.6 5.0 5.9 6.4 7.4 7.2 7.8 7.5 8.1 9.4 8.7 7.4 6.3 9.89g1..1 3.9 5.5 6.4 7.0 8.1 7.5 8.4 8.2 8.6 9.7 9.1 7.8 6.7 10.0 981 1 4.0 5.5 "6.2 6.5 7.3 6.6 7.7 8.0 7.7 8.2 7.8 7.7 6.2 8.9 84!±1 4.4 6.3 7.1 7.3 8.3 7.2 8.6 9.0 8.5 8.8 8.4 8.5 8.2 9.5 RIVER AUGUST SEPTEMBER MILE 45 46 47 48 49 50 51 52 1 2 3 4 5 15011 9.9 9.5 8.7 9.0 9.7 9.7 9.6 9.0 8.3 7.8 7.3 6.7 5.9 140 10.0 9.5 8.8 9.2 9.7 9.7 9.6 8.8 7.9 7.5 7.0 6.4 5.3 130 10.0 9.4 8.8 9.2 9.7 9.5 9.4 8.3 7.3 7.0 6.5 5.9 4.6 120 10.2 9.5 9.0 9.4 9.8 9.5 9.3 8.0 6.9 6.7 6.2 5.5 4.0 110 10.4 9.5 9.1 9.6 9.9 9.5 9.3 7.8 6.6 6.5 5.9 5.3 3.4 991:.1 10.6 9.6 9.3 9.8 10.0 9.5 9.3 7.5 6.2 6.1 5.6 4.9 2.7 98]/9.2 8.2 8.3 8.6 8.2 7.9 7.3 5.3 4.5 4.6 4.3 3.6 1.9 84!±1 9.6 8.3 8.6 9.1 8.4 7.9 7.2 4.7 4.0 4.1 3.8 3.1 1.1 II Downstream of Devil Canyon Dam Site 1:.1 Upstr~am of Chulitna-Susitna confluence 11 Downstream of Chulitna-Susitna confluence ~I At Sunshine stream gaging station 1/Downstream of Devil Canyon Dam Site £/Upstream of Chu1itna-Susitna confluence 1/Downstream of Chu1itna-Susitna confluence ~/At Sunshine stream gaging station 1501/8.2 8.8 9.7 9.1 9.8 9.5 9.9 9.9 140 8.5 9.0 9.9 9.2 9.8 9.5 9.8 9.7 130 8.7 9.1 10.0 9.3 9.6 9.3 9.6 9.3 120 9.1 9.4 10.3 9.5 9.7 9.4 9.6 9.2 110 9.5 9.7 10.6 9.7 9.8 9.4 9.6 9~1 99£/9.9 10.0 10.9 9.9 9.8 9.5 9.5 8.9 -------------------------981/·····8.6 .8;4-9.07;-8 8.-0-7;5 ··--6;8-6-.5- 84!±/'----9-•.4---9-.-1--9-.-6-8-.-4---8.-1-7-.~-6-.-f-6.-0-- TABLE E.2.4.42:SUSITNA HYDROELECTRIC PROJECT SIMULATED STREAM TEMPERATURES STAGE II WEATHER PERIOD:SUMMER 1982 CASE E-VI FLOW REQUIREMENTS STAGED CONSTRUCTION 50 FT DRAWDOWN AT DEVIL CANYON 2 LEVEL INTAKE PROPOSED PROJECT RIVER MAY JUNE JULY MILE 31 32 33 34 35 36 37 38 39 40 41 42 43 44 1501/3.1 3.2 3.5 3.9 4.1 4.3 4.9 6.4 7.9 5.7 5.1 7.3 8.3 6.9 140 3.3 3.4 3.8 4.1 4.5 4.7 5.2 6.7 8.4 6.3 5.6 7.8 8.5 7.1 130 3.7 3.6 4.1 4.4 4.9 5.0 5.4 7.0 8.6 6.8 6.2 8.1 8.5 7.4 120 4.1 3.9 4.6 4.9 5.5 5.5 5.8 7.5 9.2 7.4 6.8 8.7 8.9 7.8 110 4.4 4.2 5.0 5.3 6.0 5.9 6.2 8.0 9.8 7.9 7.4 9.2 9.2 8.1 99£/4.8 4.5 5.4 5.7 6.5 6.4 6.5 8.5 10.4 8.6 8.1 9.8 9.6 8.5 981/4.'7 4~4 5~3 5.5 6.3 6:5 6~1 6~8 8.7 7.8 7.6 8.4 7.9 8.2 84!±./5.2 4.8 6.0 6.1 7.2 7.6 6.7 7.8 9.8 8.7 8.6 9.4 8.7 9.1 RIVER MILE AUGUST SEPTEMBER 45 46 47 48 49 50 51 52 \ ,.J 1 ,.1 1 1 \ ,·1 j I I I i J ;j r ,) 1 1 ,\ I I i I .J TABLE E.2.4.43:SUSITNA HYDROELECTRIC PROJECT SIMULATED STREAM TEMPERATURES STAGE II WEATHER PERIOD:SUMMER 1981 CASE E-V1 FLOW REQUIREMENTS STAGED CONSTRUCTION 50 FT DRAWDOWN AT DEVIL CANYON 3 LEVEL INTAKE2/ River May June July Mile 31 32 33 34 35 36 37 38 39 40 41 42 43 44 15011 2.4 3.0 3.9 4.4 5.1 6.3 6.0 6.6 7.0 7.3 7.3 6.1 5.0 9.0 140 2.7 3.4 4.3 4.8 5.6 6.5 6.5 7.1 7.4 7.7 7.7 6.4 5.3 9.1 130 3.0 3.9 4.7 5.3 6.1 6.6 6.9 7.5 7.5 7.8 7.5 6.7 5.6 9.2 120 3.3 4.5 5.3 5.9 6.9 7.0 7.5 8.2 8.0 8.3 8.0 7.1 6.0 9.4 110 3.6 5.0 5.9 6.4 7.5 7.3 8.1 8.8 8.4 8.7 8.4 7.5 6.2 9.6 9911 3.9 5.5 6.4 7.0 8.2 7.7 8.7 9.4 8.9 9.1 8.9 7.9 6.6 9.9 9 all 4.0 5.5 6.2 6.5 7.4 6.7 7.8 8.3 7.8 8.0 7.8 7.7 7.2 8.9 84!J:/4.4 6.3 7.1 7.3 8.3 7.2 8.6 9.3 8.5 8.7 8.4 8.5 8.1 9.5 River August September .October Mile 45 46 47 48 49 50 51 52 1 2 3 4 5 15011 9.9 9.5 .8.7 9.0 9.7 9.7 9.6 9.0 8.3 7.8 7.3 6.7 5.9 140 10.0 9.5 8.8 9.1 9.8 9.7 9.6 8.8 7.9 7.5 7.0 6.4 5.4 130 10.0 9.4 8~8 9.2 9.7 9.5 9.4 8.3 7.4 7.1 6.6 6.0 4.7 120 10.2 9.5 9.0 9.4 9.8 9.5 9.3 8.0 7.0 6.8 6.3 5.6 4~0 110 10.4 9.5 9.1 9.6 9.9 9.5 9.3 7.8 6.6 6.6 6.0 5.4 3.5 9911 10.5 9.6 9.3 9.8 10.1 9.5 9.3 7.5 6.2 6.2 5.6 5.0 2.7 9all 9.2 8.2 8.3 8.6 8.2 7.9 7.3 5.3 4.5 4.6 4.3 3.7 1.9 84!±1 9.6 8.3 8.6 9.1 8.4 7.9 7.2 4.7 4.0 4.2 3.9 3.2 1.1 11 Downstream of Devil Canyon Dam Site 11 Upstream of Chulitna -Susitna confluence 11 Downstream of Chulitna -Susitna confluence ~I At Sunshine Stream gaging station 11 For comparison with proposed project (See Table E.2.4.52) TABLE E.2.4.44:SUSITNA HYDROELECTRIC PROJECT SIMULATED STREAM TEMPERATURES WEATHER PERIOD:SUMMER 1982 CASE E-Vl FLOW REQUIREMENTS STAGED CONSTRUCTION STAGE II 50 FT DRAWDOWN AT DEVIL CANYON 3 LEVEL INTAKEil River May June July Mile 31 32 33 34 35 36 37 38 39 40 41 42 43 44 15011 3.0 3.2 3.5 3.9 4.-1 4.3 4.9 6.3 8.0 6.4 7.4 8.6 8.6 6.8 140 3.3 3.4 3.7 4.1 4.5 4.7 5.2 6.7 8.4 6.9 7.8 9.9 8.8 7.1 130 3.7 3.6 4.1 4.4 4.9 5.0 5.4 6.9 8.6 7.3 8.1 9.9 8.7 7.4 120 4.1 3.9 4.5 4.9 5.5 5.5 5.8 7.5 9.2 7.9 8.6 10.4 9.1 7.8 110 4.4 4.2 5.0 5.2 6.0 5.9 6.2 8.0 9.8 8.4 9.1 10.8 9.4 8.1 9g2:.1 4.8 4.5 5.4 5.6 6.5 6.3 6.5 8.5 10.4 9.0 9.6 11.3 9.8 8.5 9all 4.7 4.4 5.3 5.4 6.3 6.5 6.1 6.8 8.7 7.9 8.1 8.8 8.0 8.1 8t/±1 5.2 4.7-5.9 6.1 7.2 7.6 6.7 7.8 9.8 8.8 8.9 9.7 8.7 9.1 River August September Mile 45 46 47 48 49 50 51 52 15Ml .-8.-2 --8.-7.-,-9.-6 -9.0--9-.-5--8.-8--9-.-2 --9-.-8 140 8.5 8.9 9.8 9.2 9.6 8.8 9.2 9.6 130 8.7 9.1 9.9 9.2 9.4 8.7 9.0 9.2 120 9.1 9.4 10.2 9.4 9.5 8.8 9.0 9.1 110 9.4 9.7 10.5 9.6 9.6 8.8 9.0 9.0 9g£.1 9.9 10.0 10.9 9.9 9~7 8.9 9.0 8.8 9all 8.6 8.4 8.9 7.8 7.9 7.2 6.6 6.5 8t/±1 .4 9.1 9.6 8.4 .0 7.2 6.6 6.0 lJ Downstream of Devil Canyon Dam Site ~I Upstream of Chulitna -Susitna confluence 11 Downstream of Chulitna -Susitna confluence ~I At Sunshine Stream gaging station il For comparison with proposed project (Table E.2.4.53) I j ( j I-j I ;~1 1 J 1 I I j ] 1 1 ] .j TABLE E.2.4.45:SUSITNA HYDROELECTRIC PROJECT SIMULATED STREAM TEMPERATURES STAGE II WEATHER PERIOD:SUMMER 1981 CASE E-VI FLOW REQUIREMENTS STAGED CONSTRUCTION 9 FT DRAWDOWN AT DEVIL CANYON 2 LEVEL INTAKEil RIVER MAY JUNE JULY MILE 31 32 33 34 35 36 37 38 39 40 41 42 43 44 15011 2.4 3.0 3.9 4.4 4.8 5.9 7.9 9.8 7.0 5.4 6.3 7.4 4.9 8.7 140 2.7 3.4 4.3 4.8 5.4 6.1 8.2 10.1 7.4 5.9 7.0 7.6 5.2 8.9 130 3.0 3.9 4.7 5.3 6.0 6.3 8.4 10.1 7.6 6.3 7.0 7.7 5.5 9.0 120 3.3 4.5 5.3 6.0 6.8 6.7 9.0 10.7 8.1 6.9 7.5 8.1 5.8 9.2 110 3.6 5.0 5.9 6.5 7.5 7.1 9~4 11.1 8.5 7.4 8.0 8.4 6.i 9.4 992..1 3.9 5.5 6.4 7.1 8.2 7.4 9.9 11.6 8.9 7.9 8.5 8.8 6.5 9.7 9all 4.1 5.5 6.2 6.5 7.3 6.6 8.2 8.9 7.8 7.6 7.7"8.0 7.1 8.8 843:./4.5 6.3 7.1 7.3 8.3 7.1 8.9 9.7 8.5 8.4 8.3 8.7 8.1 9.4 RIVER AUGUST SEPTEMBER OCTOBER MILE 45 46 47 48 49 50 51 52 1 2 3 4 5 15011 9.9 9.5 8.7 9.1 9.7 9.7 9.6 9.0 8.3 7.8 7.3 6.8 5.9 140 10.1 9.5 8.8 9.2 9.8 9.7 9.6 8.8 7.9 7.5 7.0 6.4 5.4 130 10.1 9.4 8.9 9.3 9.7 9.5 9.4 8.3 7.3 7.0 6.5 5.9 4.7 120 10.3 9.5 9.0 9.5 9.8 9.5 9.3 8.0 6.9 6.7 6.2 5.5 4.0 110 10.4 9.6 9.1 9.6 9.9 9.5 9.3 7.8 6.6 6.5 5.9 5.3 3.4 9911 10.6 9.7 9.3 9.9 10.1 9.5 9.3 7.5 6.2 6.2 5.6 4.9 2.7 9811 9.2 8.2 8.3 8.6 8.2 7.9 7.3 5.3 4.5 4.6 4.3 3.6 1.9 84!±/9.6 8.3 8.6 9.2 8.4 7.9 7.2 4.7 4.0 4.1 3.8 3.2 1.1 1/Downstream of Devil Canyon Dam Site 1:./Upstream of Susitna -Chulitna confluence ~I Downstream of Susitna -Chulitna confluence !/At Sunshine stream gaging station i/For comparison with proposed project (see Table E.2.4.52) 11 Downstream of Devil Canyon Dam Site 2..1 Upstream of Susitna -Chulitna confluence 11 Downstream of Susitna -Chulitna confluence !:J:.I At Sunshine stream gaging station il Fqr comparison with proposed project (seeT?ble E.2.4.53) TABLE E.2.4.46:SUSITNA HYDROELECTRIC PROJECT SIMULATED STREAM TEMPERATURES STAGE II WEATHER PERIOD:SUMMER 1982 CASE E-VI FLOW REQUIREMENTS STAGED CONSTRUCTION 9 FT DRAWDOWN A7 DEVIL CANYON 2 LEVEL INTAKE1 RIVER MAY JUNE JULY MILE 31 32 33 34 35 36 37 38 39 40 41 42 43 44 15011 3.1 3.3 3.6 4.0 4.2 4.3 4.9 6.3 7.5 8.8 9.8 10.4 7.4 6.7 140 3.4 3.5 3.8 4.2 4.5 4.7 5.2 6.7 8.0 9.1 10.1 10.7 7.6 7.0 130 3.8 3.7 4.2 4.5 4.9 5.0 5.4 6.9 8.3 9.2 9.9 10.6 7.7 7.3 120 4.2 4.0 4.6 4.9 5.5 5.5 5.8 7.5 9.0 9.7 10.4 11.0 8.1 7.7 110 4.5 4.3 5.0 5.3 6.0 5.9 6.2 8.0 9.5 10.1 10.7 11.4 8.4 8.0 992..1 5.0 4.5 5.5 5.7 6.5 6.4 6.6 8.5 10.2 10.5 11.1 11.9 8.7 8.4 9all 4.8 4.4 5.3 5.5 6.3 6.5 6.1 6.8 8.6 8.4 8.5 9.0 7.8 8.1 84!±1 5.3 4.8 6.0 6.1 7.2 7.6 6.7 7.8 9.8 9.1 9.2 9.8-8.6 9.1 RIVER MILE 140 130 120 110 992..1 9 all 84!±1 AUGUST SEPTEMBER 45 46 47 48 49 50 51 52 8.1 8~.6 9.5 9.0 9~4 8~7 "8.7 9-~T~- 8.4 8.8 9.7 9.1 9.4 8.7 8.7 9.5 8.6 8.9 9.8 9.2 9.3 8.6 8.5 9.1 9.1 9.3 10.2 9.4 9.4 8.7 8.5 9.0 9.4 9.5 10.4 9.6 9.5 8.7 8.6 8.9 9.8 9.9 10.8 9.8 9.5 8.8 8.6 8.7 8.6 8.4 8.9 7.8 7.8 '7~2 '0.4 6.4 9.4 9.1 9.6 8.4 8.0 7.2 6.4 6.0 1 .1 J j j :1 ~~ 1 "j 1 I I I I ! ! j ] ! TABLE E.2.4.47:SUSITNA HYDROELECTRIC PROJECT SIMULATED STREAM TEMPERATURES STAGE II WEATHER PERIOD:SUMMER 1981 CASE E-I FLOW REQUIREMENTS STAGED .CONSTRUCTION 50 FT DRAWDOWN AT DEVIL CANYON 2 LEVELS OF PORTs2I RIVER MAY JUNE JULY MILE 31 32 33 34 35 36 37 38 39 40 41 42 43 44 15011 2.2 2.9 3.8 4.3 4.7 5.9 4.7 8.6 9.5 9.5 10.2 8.9 5.4 8.2 140 2.5 3.3 4.2 4.8 5.3 6.1 5.0 8.9 9.7 9.6 10.2 9.1 5.7 8.3 130 2.9 3.9 4.7 5.3 5.9 6.3 5.4 9.2 9.6 9.6 9.7 8.9 6.1 8.5 120 3.3 4.5 5.4 6.0 6.8 6.7 5.8·9.6 9.9 9.8 9.9 9.3 6.5 8.7 110 3.6 5.0 6.0 6.6 7.5 7.0 6.2 10.0 10.1 10.0 10.2 9.6 6.8 8.9 991:.1 4.0 5.6 6.5 7.2 8.2 7.4 6.6 10.4 10.4 10.3 10.4 9.9 7.2 9.2 9s].1 4.1 5.5 6.2 6.6 7.3 6.6 7.0 8.9 8.4 8.7 8.3 8.2 7.5 8.5 84!±/4.5 6.3 7.1 7.3 8.3 7.2 7.9 9.7 9.0 9.1 8.7 8.9 8.5 9.2 RIVER AUGUST SEPTEMBER MILE 45 46 47 48 49 50 51 52 1 2 3 4 5 15011 9.7 9.1 8.4 8.8 9.5 9.6 9.5 8.9 8.1 7.7 7.2 6.6 5.8 140 9.8 9.2 8.6 9.0 9.6 9.6 9.5 8.7 7.8 7.4 6.9 6.3 5.3 130 9.8 9.1 8.6 9.0 9.5 9.4 9.3 8.2 7.2 6.9 6.4 5.8 4.6 120 10.0 9.2 8.7 9.2 9.7 9.4 9.2 7.9 6.8 6.6 6.1 5.4 3.9 110 10.2 9.2 8.9 9.4 9.8 9.4 9.2 7.7 6.5 6.4 5.8 5.2 3.3 991:.1 10.4 9.3 9.0 9.6 9.9 9.4 9.2 7.4 6.1 6.1 5.5 4.8 2.6 9all 9.1 8.1 8.2 8.5 8.1 7.9 7.3 5.3 4.5 4.5 4.2 3.6 1.8 84!±1 9.5 8.2 8.5 9.1 8.3 7.8 7.2 4.7 4.0 4.1 3.8 3.1 1.1 II Downstream of Devil Canyon Dam Site 1:.1 Upstream of Susitna -Chulitna confluence 31 Downstream of Susitna -Chulitna confluence~I At Sunshine stream gaging station 11 For comparison with proposed project see Table E.2.4.52 TABLE E.2.4.48:SUSITNA HYDROELECTRIC PROJECT SIMULATED STREAM TEMPERATURES STAGE II WEATHER PERIOD:SUMMER 1982 CASE E-I FLOW REQUIREMENTS STAGED CONSTRUCTION 50 FT DRAWDOWN AT DEVIL CANYON q LEVELS OF PORTs.2.1 RIVER MAY JUNE JULY MILE 31 32 33 34 35 36 37 38 39 40 41 42 43 44 15011 3.0 3.2 3.5 4.0 4.2 4.4 4.3 6.1 7.0 7.6 8.5 9.1 9.0 8.8 140 3.3 3.4 3.8 4.2 4.6 4.7 4.5 6.4 7.4 7.9 8.8 9.4 9.2 9.1 130 3.8 3.7 4.2 4.5 5.0 5.0 4.7 6.7 7.7 8.2 8.9 9.5 9.1 9.2 120 4.2 4.1 4.8 5.0 5.6 5.5 5.0 7.1 8.3 8.6 9.3 9.9 9.-4 9.6 110 4.6 4.4 5.2 5.5 6.2 5.9 5.2 7.5 8.8 9.0 9.7 10.3 9.7 9.9 9911 5.1 4.7 5.7 5.9 6.7 6.3 5.5 7.9 9.3 9.4 10.0 10.7 10.0 10.4 9all 4.9 4.4 5.4 5.5 6.4 6.5 5.6 6.9 8.5 8.2 8.4 8.9 8.1 8.7 84!f.!5.3 4.8 6.1 6.2 7.3 7.6 6.3 7.8 9.7 9.0 9.1 9.7 8.8 9.6 RIVER AUGUST SEPTEMBER MILE 45 46 47 48 49 50 51 52 ~---l/--8.9 -~.__._.•....__..__.._-_._..._........_-9.4 To:5---~.__........_--_.........._._..._._~9~5150-8.7 9.1 10.5 9.0 140 9.2 9.0 9.3 9.5 10.5 10.4 9.0 9.4 130 9.3 901 9.4 9.5 10.2 9.9 8.7 9.0 120 9.8 9.4 9.8 9.7 10.3 9.9 8.8 8.9 110 10.1 9.6 10.0 9.9 10.3 9.9 8.8 8.8 9911 10.5 10.0 10.4 10.1 10.3 9.9 8.8 8.6 981/8.8 8.4 8.8 7.9 8.1 7.2 6.4 6.4 84!±1 9.5 9.1 9.5 8.5 8.2 7.2 6.4 5.9 II Downstream of Devil Canyon Dam Site -3211 Upstream of Susitna -Chulitna confluence Downstream of Susitna -Chulitna confluence 41 At Sunshine Stream gaging stationilForcomparisonwithpropol3ecipr'oject (s~e_'I'al:>le E.2.4.53) 1 ( 1 1 J J .j I ~] J I j ] I J 1 ! J J TABLE E.2.4.49:SEDIMENT CONCENTRATION (MG/L) STAGE II Range of Estimated Monthly Range of Range of Range of Average Extreme Observed Natural Concentration Concentrations Natural Conditions Average Year Average Year Month Conditionsl/(1982)1:.1 (1982)1/(1982) January 4-8 1-20 50-70 50-75 February NIA 1-30 40-50 30-60 March 1-6 1-20 35-45 30-50 April NIA 30-170 25-35 25 ...35 May 65-1110 130-1270 25-30 10-35 June 151-1860 930-1470 50-60 20-100 July 100-2790 600-1600 100-120 70-140 August 158-1040 200-1070 100-120 80-130 September 23-8.12 200-1530.80-100 70:"130 October 6-140 1-30 80 75-85 November NIA 1-30 80 75-80 Decemb"er N/A 1-30 70-75 60-80 II Based on observations by the U.S.Geological Survey on the Susitna River near Cantwell (1962-1972,1980-1982)and on the Susitna River at Gold Creek (1974-To present). 11 Based on suspended sediment concentration vs.flow relationship on Susitna River near Cantwell. 11 Based on simulations of 3 years. TABLE E.2.4.50:PERCENT OF TIME NAVIGATION FLOWS EXCEEDED DURING STAGE II OPERATION Gold Creek!.!SunshineZI Susitna Station3 Stage II Stage II Stage II 2002 2002 2002 Nautural Load Natural Load Natural Loa.d 27 May - 2 Jun 100 100 94 80 88 68 3 Jun - 9 Jun 100 100 100 97 100 90 10 Jun -16 Jun 100 100 100 100 100 92 17 Jun'-23 Jun 100 100 100 100 100 98 24 Jun -30 Jun 100 100 100 100 100 100 1 Jul -7 Jul 100 100 100 100 100 100 8 Jul -14 Jul 100 100 100 100 100 100 15 Jul 21 Ju1 100 100 100 100 100 100 22 Jul -28 Jul 100 100 100 100 100 100 29 Jul -4 Aug 100 100 .100 100 100 100 5 Aug -11 Aug 100 100 100 100 100 100 12 Aug -18 Aug 100 100 97 96 100 100 19 Aug -25 Aug 100 100 96 96 97 97 26 Aug - 1 Sep 98 100 93 94 96 96 2 Sep -8 Sep 100 100 91 88 75 73 9 Sep -15 Sep 97 100 ·82 81 63 62 16 Sep -"22 Sep 94 100 6-7 65 62'..60 23 Sep -30 Sap 84 100 43 48 42 43 II Estimated navigable flow =6,000 cfs at Gold Creek,for Portage Creek to Chulitna River. l .( } ] } ] .j 1 J 1 I ] 1 I .'j 1 j 1 I -"--"--..-------------~-----'---._._--------~---,._'~-----~~-------~-,-~ TABLE E.2.4.51 WITH-PROJECT WATANA MONTHLY FLOWS (CFS),EARLY STAGE m YEAR OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP ANNUAL- 1951 7148 7916 8722 8043 7927 7134 6281 4897 3130 4324 10068 17206 7721 1952 6804 7784 '8631 7956 7882 7086 6304 5286 3321 4521 16118 11571 7777 1953 7330 7724 8610 7957 7857 7076 6259 4304 3289 7695 16682 11514 8035 1954 6387 7809 8662 7999 7881 7098 6260 3910 3517 3393 16682 9166 7401 1955 6214 7744 8604 7931 7823 7062 6256 4839 '3623 7342 22795 14214 8719 1956 6464 7844 8671 8018 7883 7072 6285 4267 3354 16115 19153 13194 9051 1957 6186 7722 8615 7950 7827 7039 6250 4549 3289 8889 17318 14841 8381 1958 6719 7638 8422 7878 7815 7042 6223 4699 3038 8354 19169 6077 7778 1959 6303 7813 8632 7955 7835 7055 6239 4065 3604 2888 19837 13776 8003 1960 6928 7739 8571 7912 7825 7045 6257 4774 3285 3029 16036 16086 7954 1961 7445 7749 8522 7835 7770 6957 6098 4445 3309 13170 19480 10146 8603 1962 6933 7826 8648 7963 7850 7052 6251 5237 3683 23444 19887 12746 9833 1963 6777 7863 8652 7954 7819 7079 6309 4467 3615 18572 21011 10800 9278 1964 6663 7815 8659 7997 7879 7093 6304 5443 3076 16345 14048 7524 8263 1965 6424 7824 8705 8026 7907 7105 6302 5015 3487 6952 17394 16226 8451 1966 7520 7799 8630 7960 7846 7042 6209 4859 3252 2966 15145 9214 7374 1967'6401 7847 8656 7954 7841 7055 6259 4746 3587 8744 25849 13938 9096 1968 6380 7810 8633 7945 7822 7015 6220 4586 3399 15003 14148 7441 8055 1969 6466 7887 8737 8053 7935 7128 6299 5129 3631 3821 6711 6479 6516 1970 6926 7673 7915 7268 7192 6424 5497 4735 4132 '3711 3716 5478 5880 1971 6434 7811 8727 8110 8020 7226 6425 5539 3779 2845 9374 12189 7196 1972 6593 7800 8574 7867 7745 6964 6186 3970 3210 19820 17510 11041 8970 1973 6512 7876 8690 8010 7878 7098.6310 5360 3385 3119 12910 8165 7111 1974 6468 7919 8743 8055 7939 7134 6336 4643 3204 2997 6116 6257 6309 1975 7735 8113 8684 7996 7856 7050 6247 4518 3343 10946 15127 13075 8403 1976 6790 7834 8688 7993 7875 7074 6250 4500 3263 2955 13048,5939 6853 1977 6402 7749 8548 7920 7815 7017 6194 4457 3250 11596 16807 10613 8214 1978 6660 7682 8549 7896 7780 6993 6216 5356 3561 3726 12325 7351 7010 1979 6329 7784 8648 7984 7870 7107 6302 5174 3083 11707 16671 9097 8166 1980 7090 7744 8610 7943 7826 7027 6222 5009 3897 16205 18000 11000 8908 1981 7322 7787 8706 7985 7780 6995 6179 4924 3069 16122 30349 12039 9985 1982 6345 7629 8548 7848 7744 7004 6127 4833 3334 8961 13206 13992 7968 1983 6766 7803 8605 7901 '7795 7026 6210 4595',3033 7050 20862 11192 ~253.' MAX 7735 8113 8743 8110 8020 7226 6425 5539 '4132 23444 -30349 17206 9985 MIN 6186 7629 7915 7268 7192 6424 5497 3910 3033 2845 3716 5478 5880 MEAN 6723 7799 8613 7941 7828 7042 6229 4761 3395 9010 16168 10897 8046 1 I I Ii , TABLE E.kAJ52 WITH-PROJECT f?EVIL CANYON MON,THLY FLOV1S (CFS >,EARLY STAGE JI[! I 1_'_ YEAR OCT NOV DEC,JAN i I FEB MAR APR MAY JUN JUL AUG SEP ANNUAL 1951 6122 8040 8846 8141 8022 7210 6484 646,6 8291 8231 7472 18713 8487 1952 7433 8153 8888 8164 7984 7179 6379 6059 7562 8595 17085 13441 8918 1953 8562 8200 8879 8139 7991 7172 6413 ,7020 7440 9331 19024 13928 9356 1954 7276 8130 8865 8134 8008 7189 6448 749,9 7227 6621 19275 11579 8867 1955 7185 8200 8921 8192 8047 7200 6423 651'1 7172 9431 24218 14756 9707 1956 7010 8045 8839 8123 8021 7230 6433 7293 7433 19386 22610 16496 10608 1957 7213 8219 8895 8159 8027 7208 6414 15847 7564 9951 19389 18029 9669 1958 8120 8292 9068 8189 7984 7153 6395 6590 8121 8889 20342 7087 8875 1959 7038 8083 888'1 8191 8066 7239 6473 7825 7210 7298 22592 '16639 9642 1960 7823 8148 8910 8198 8026 7197 6404 6532 7630 8151 13116 18930 9084 1961 8566 8181 89815 8267 8059 7265 6538 6838 7603 16203 21164 12219 10021 1962 7754 8107 8867 8150 8006 7195 6407 6044 8346 24991 22242 14767 10947 1963 7525 8050 8839 8141 8022 7152 6342 6866 7047 22193 22721 11777 10432 1964 7474 8111 8851 8123 7997 7182 6392 5912 9068 17202 15586 8840 9251 1965 7409 8101 8796 8088 7964 7165 6384 6316 7322 9005 19789 18234 9556 1966 8796 8142 8904 8179 8048 7244 6490 6499 7902 7660 15547 10844 8697 1967 6975 8104 8899 8210 8078 7254 6463 6626 7164 11361 30037 15993 10460· 1968 6947 8080 8859 8177 8041 7234 6435 6741 7307 17647 16091 8503 9198 1969 6908 8064 8819 8121 8009 7212 6458 6245 7315 7720 7423 6458 7394 1970 4777 5166 8016 7389 7299 6521 '5558 5921 6853 6445 6969 6083 6415 1971 7141 8397 9115 8331 8188 7376 6597 6110 7211 7740 9236 13546 8242 1972 7151 8125 8929 8233 8090 7258 6447 777,4 7923 21513 18654 11968 10206 1973 6850 8053 8830 8119 8007 7180 6383 5969 7532 8415 9059 8457 7737 1974 6902 8027 8808 8113 7995 7196 6412 6760 7724 7941 7970 6050 7492 1975 4871 7551 8894 8190 8088 7281 .6493 6883 7429 13246 17032 15155 9270 1976 8115 8086 8820 8132 8009 7208 6451 6866 7659 8022 8861 6417 7724 1977 6980 8215 9008 8228 8081 7267 6501 7100 7621 13517 18371 11916 9420 1978 7802 8248 8940 8185,8037 7216 6406 5864 7299 7030 10070 8298 7783 1979 7057 8163 888'4 8152 8019 7171 6387 6139 8179 .10436 19107 10172 9005 1980 7840 8173 8857 8122 7976 7171 6394 6245 6752.19467 20196 12342 9994 1981 8025 8125 8757 8085 8027 7203 6436 6297 8319 16715 35063 13403 11254 1982 7029 8249 8892 8234 8069 7200 6505 6444 7458 10300 14536 16427 9115 1983 7884 8125 8903 8202 8042 7195 6426 6700 8155 8033 21108 12731 9307 MAX 8796 8397 9115 8331 8188 7376 6597 7825 9068 24991 35063 18930 11254 MIN 4777 5166 8016 7389 7299 6521 5558 5864 6752 6445 6969 6050 6415 MEAN 7290 8035 8863 8145 8010 7192 6411 6600 7601 11778 17332 12430 9156 '---''~'--- --,-~ ----,~._~~---"-_._--'-"--"-----------_._--"--~----.....-"----~"-~_..-----,---' TABLE E.2.4.53 lnTH-PROJECT GOLD CREEK MONTHLY FLOWS (CFS),EARLY STAGE llt YEAR OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP ANNUAL 1951 6309 8114 8916 8191 8078 7258 6779 7354 8897 9000 9000 19991 8977 1952 7827 8292 9040 8256 8071 7238 6438 6621 9763 9812 19079 14058 9552 1953 9214 8449 9059 8240 8082 7225 7187 8101 9288 10473 20248 15323 10091 1954 7758 8303 8991 8200 8083 7252 6895 9200 9250 9000 19932 13116 9681 1955 7636 8531 9115 8323 8166 7293 6673 7264 8975 10502 24833 15520 10256 1956 7263 8188 8941 8189 8097 7319 6621 8775 9744 21209 24532 18391 11474 1957 7713 8545 9068 8271 8132 7320 6653 8087 9206 11186 20542 19758 10384 1958 8861 8724 9401 8352 8086 7216 6570 7945 9011 10644 20925 7750 9484 1959 7396 8256 9046 8334 8180 7353 6693 9600 9228 9000 25017 18305 10552 1960 8257 8415 9116 8352 8145 7287 6777 6785 8912 9000 14940 20605 9713 1961 9152 8469 9231 8471 8249 7447 7078 7740 10135 17942 21981 13452 10810 1962 8106 8343 9010 8238 8111 7281 6628 6930 10354 26016 23478 15804 11566 1963 7824 8236 8969 8250 8110 7222 6484 7451 9598 24586 23182 12434 11073 1964 7889 8305 8962 8199 8055 7240 6446 7930 10006 18214 16456 9557 9799 1965 7916 8252 8883 8121 8003 7196 6461 6945 8995 10750 20967 19403 10169 1966 9488 8347 9055 8298 8167 7357 6709 7364 10394 9000 17043 11830 9432 1967 7277 8258 9038 8347 8204 7376 6605 7521 9006 13218 32185 17176 11219 1968 7248 8239 8988 8307 8162 7355 6559 7824 9504 19100 17217 9143 9833 1969 7141 8168 8870 8159 8050 7258 6580 6779 7919 8000 8000 6767 7641 1970 5032 5235 8074 7456 7358 6575 5610 6501 8429 8193 8059 6767 6942 1971 7683 8713 9337 8451 8282 7462 6704 6500 9028 9000 10506 14422 8836 1972 7448 8315 9131 8435 8284 7422 6676 10524 9676 22474 19339 12528 10892 1973 7009 8170 8912 8184 8066 7236 6437 6378 8857 9000 9799 8977 8085 1974 7136 8091 8849 8142 8028 7231 6500 7682 9040 9000 9000 6800 7962 1975 5103 7630 9012 8297 8217 7409 6669 8375 9216 14616 18176 16385 9939 1976 8814 8259 8897 8209 8079 7286 6680 8301 8987 9000 9000 6901 8208 1977 7297 8483 9258 8401 8223 7412 6675 8857 9675 14842 18975 12700 10089 1978 8420 8574 9161 8345 8184 7340 6613 6080 7867 8000 11097 8835 8212 1979 7432 8400 9019 8245 8101 7206 6470 6549 8909 11883 20332 10877 9472 1980 8216 8433 9005 8224 8061 7250 6558 6883 9560 21302 21739 13329 10749 1981 8355 8359 8842 8144 8158 7318 6733 7235 8895 19878 36698 14232 11961 1982 8051 8642 9091 8450 8247 7310 6757 7928 9000·11306 15639 17654 9845 1983 8498 8311 9066 8367 8181 7295 6638 8222 9022 9000 22229 13623 9890 MAX 9488 8724 9401 8471 8284 7462 7187 10524 10394 26016 36698 20605 11961 MIN 5032 5235 8074 7456 7358 6575 5610 6080 7867 8000 8000 6767 6942 MEAN 7720 8244 9011 8256 8112 7280 6623 7643 9223 13156 18489 13406 9781 TABL E .2.4.54 WITH-PROJECT SUNSHINE MONTHLY FLOWS (CFS).EARLY STAGE :m: YEAR OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP ANNUAL 1951 14133 10917 11136 10438 !10018 8587 9005 18955 38109 47909 37690 40284 21491 1952 15693 12780 1'2392 10657 '9558 8730 8209 16506 56482 55082 54547 37239 24906 1953 21881 12452 11473 10148 9552 8597 9969 30404 45991 41835 48992 38821 24267 1954 14279 11065 1'1262 10086 ·9712 8696 8534 20858 39364 42945 59965 31897 22489 1955 14589 12541 11779 10588 9649 8709 8587 15718 41293 56493 56640 40122 23990 . 1956 15978 11220 11387 10144 i 9755 8939 8181 22839 50681 61919 52563 42412 25602 1957 14632 12079 11750 10839 110101 9212 8584 20696 46144 49909 54642 35743 23785 1958 16545 13477 1'2710 10505 19933 9358 9682 37862 47242 48275 65417 28080 25900 1959 17180 11932 11203 10446 9937 8983 9231 26397 36474 44373 69848 36594 24511 1960 1644!;)12306 1:1894 10554 9912 8807 8451 25156 34409 43643 49690 41521 22822 1961 18302 12030 12302 11008 :10184 9232 9661 2;1.986 40741 55235 57701 35124 24577 1962 17308 12515 1'1771 10.489 '9871 88.26 8660 19683 46951 66923 55675 33867 25334 1963 13916 11086 11675 10610 9981 8532 7764 23991 37434 70837 50940 28823 23940 1964 17915 11747 ]077>1 9887 i 9455 84.90 8191 17032 77405 57828 45898 23957 24949 1965 17145 13043 12269 10560 10129 9139 8633 19270 41400 48406 56359 54110 25114 1966 20508 11675 11422 10319 9899 89.49 8597 14455 47051 45009 57019 30568 23047 1967 14712 10988 11420 10560 '10120 8985 8149 24922 46106 64052 82578 40735 27936 1968 13101 1·1339 .11526 10531 110271 9375 9070 28587 55355 62555 47063 21467 24300 1969 11938 10628 10658 9662 9421 8533 8581 17271 33066 37295 24031 15983 16473 1~70 11349 8040 10069 9249 9051 8194 77'36 20824 37723 46592 43320 24981 19850 1971 14727 12811 120H 10356 9777 8875 8293 13481 52725 50471 53i211 32666 23358I 11574 51364 34456 245411972159671202210479;10083 8952 8287 25438 41934 62489 1973 15598 12030 11847 10314 9962 8789 8079 20253 45043 39456 39530 22442 20345 1974 11587 10724 10950 9886 9739 8777 8203 19854 33894 41977 37350 24047 18988 1975 11129 10450 11397 10326 9890 8903 8303 22193 46529 56839 51095 37183 23779 1976 16538 10849 10869 9975 9946 9012 9230 25113 48219 49285 45062 21871 22260 1977 15118 12548 12345 10753 '10070 9130.8449 20925 64927 58610 58707 34461 26429 1978 18069 12636 12107 10921 :10066 8904 8601 15580 34601 48168 43717 25473 20829 1979 13430 12119 11980 10639 10038 8945 8930 26292 42014 61701 57662 24144 24130 1980 17181 12955 11588 10418 .10061 9067 8964 15758 39811 63613 46141 29764 23050 1981 17165 13017 11750 10575 !10249 9146 9249 27359 40107 73890 82999 32902 28396 1982 16961 12129 10722 9553 !9737 8984 .8798 20992 45285 49709 46558 48596 24068 1983 19019 13944 12637 11336 110836 9092 9000 25199 40423 42076 57611 29510 23495 MAX 21881 13944 12710 11336 !10836 9375 9969 37862 77405 73890 82999 54110 28396 MIN 11129 8040 10069 9249 9051 8194 7736 13481 33066 37295 24031 15983 16473 MEAN 15759 11882 11595 10388 1 9908 8892 8662 21874 44695·52891 52775 32722 23605 .~---'.-----' --_....---.._.- --'~-'-------_.~_.._----"------------_.~----"~----'--"- TABLE E.2.4.55 WITH-PROJECT SUSITNA STATION MONTHLY FLOWS (CFS >.EARLY STAGE :m: YEAR OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP ANNUAL 1951 54538 22155 17467 15067 15699 13116 14676 54174 93984 111769 93442 82585 49283 1952 33112 20344 18018 14433 13132 12092 10113 35123 77296 98833 96566 64391 41330 1953 38859 24283 18229 15693 14223 11906 12414 43120 78401 109523 118050 102881 49190 1954 46415 24933 18227 15180 13796 12899 13585 45751 69225 83568 93585 56359 41353 1955 32037 20825 16478 14682 13940 12373 12431 49918 92553 136582 115788 80714 50136 1956 48855 22728 17948 15794 14769 12305 11835 47612 122516 122759 99800 58274 49839 1957 26855 22374 14462 13817 13773 11921 11659 50146 107601 93440 106490 65985 45056 1958 30305 27178 "17066 14931 13587 12243 11465 34780 66546 87188 94910 43784 38038 1959 30490 -20091 15438 14273 13329 11632 11890 45804 86513 101439 86092 41779 40114 1960 26598 20578 16263 14968 14996 14293 14861 65145 92544 127835 149543 92542 54492 1961 34848 19115 17137 14969 15877 13755 14399 60430 94204 116885 114665 78275 49802 1962 43367 24916 17548 14960 14676 12941 14243 43302 85485 157964 118230 65372 51422 1963 25489 16652 16379 14941 13697 12485 11116 45438 87294 136364 102520 66576 46013 1964 32725 17261 14172 15176 13979 11873 11108 34088 86771 112943 98433 41397 41066 1965 30622 18927 16897 14562 13652 12373 13350 53125 99884 125189 100623 82330 48691 1966 46042 26675 16706 14914 14603 12578 11233 32182 82693 106651 128553 102429 49825 1967 43165 16619 13980 13217 13496 12024 10592 20902 53205 96334 120354 72898 40813 1968 36972 19915 16305 15032 14936 13094 17672 80229 121222 125105 93898 40035 49817 1969 16807 14782 14271 14871 13908 12437 14276 79795 112478 106927 79830 39255 4352,4 1970 29460 13605 12959 13335 13279 11908 12754 64788 108055 128261 103756 53838 47446 1971 22528 18074 15774 15051 13576 11792 11278 42326 103406 124758 94297 65787 45092 1972 26245 15670 14512 14792 13885 11788 12114 46611 93250 126141 102305 60097 45033 1973 27495 21446 16638 14172 13212 11526 10631 40365 "85921 90169 80423 59469 39448 1974 30411 18561 16132 15571 15244 13941 15324 59980 72871 82662 80642 49852 39464 1975 20862 16351 16827 15377 14549 13057 11967 41161 105027 122492 91158 78236 45764 1976 32531 16271 13851 13730 12785 11751 14219 64450 91690 106567 87365 49317 43125 1977 33374 24251 19980 16688 15484 12708 11305 53130 136737 135112 125554 84333 55960 1978 38976 19702 14858 13298 13283 12326 12070 42764 79670 104886 96341 55853 42240 1979 39030 21158 16664 15670 14751 13048 14148 73274 104365 125447 127743 77832 53905 1980 59829 35538 21261 16607 15628 14756 17263 61659 122770 167898 129041 91476 63155 1981 35331 21236 15490 13898 13759 11917 16012 73810 97587 140089 157203 67492 55712 1982'34157 22934 18405 15197 13714 11558 "10845 39242 90684 101569 95731 109195 47083 1983 35579 20900 16620 14472 14582 12744 12761 56219 87718 91634 105301 52378 43645 MAX 59829 35538 21261 16688 15877 14756 17672 80229 136737 167898 157203 109195 63155 MIN 16807 13605 12959 13217 12785 11526 10113 20902 53205 82662 79830 39255 38038 MEAN 34664 20789 16453 14828 14176 12520 12897 50935 93641 115302 105704 67667 46875 -- TA~LEIE.2A.56 WITH-PROJE€T WATANA MONTHLY FLOWS (CFS).LATE STAGE:II[ i I i YEA:R OCT NOV DEC JAN i FEB MAR APR MAY JUN JUL AUG SEP ANNUAL, 19511 6281 7815 8795 8075 i 7991 7137 6108 5058 4296 5096 5842 7062 6622 195'2 7852 9768 10993 10094 i 9989 8921 7635 6323 5362 5096 6208 7019 7927 19513 7852 9768 10993 10094 I 9989 8921 7635 6292 5716 6024 6140 6767 8006 1954 7852 9768 10993 10094 !9989 8921 7635 6066 5354 5064 5609 6781 7831 195i5 6281 7815 ·8860 10094 I 9989 8921 7635 6323 5369 5644 6728 12618 8003 195.6 8319 9768 10993 10094 9989 8921 7635 6112 5582 5318 12775 13194 9051 1957 8445 9768 11030 11225 i 11151 10126 9001 6744 5338 5850 6312 6414 8437 1958 7852 10158 i1879 11143 i 11129 10120 8976 7179 6365 5096 5842 6670 8518 1959 6281 7815 8795 8075 i 9773 8921 7635 5765 5329 5096 5068 8180 7207 1960 8640 9946 12049 11198 11160 10145 9019 6535 5369 4529 '4674 5650 8227 1961 7185 9768 11249 11116 11097 10044 8894 6968 5538 5531 6368 6990 8380 1962 8242 9768 11030 11232 !11164 10130 8986 7583 5330 5907 15339 12746 9783 1963 8791 9960 12112 11237 i 11151 10176 9048 5768 5329 5236 11842 10800 9278 1964 8770 9768 12052 11296 I 10429 8921 7635 '5393 4616 5851 7044 7830 8292 1965 8442 9768 12097 11327 i 10441 8921 7635 6323 5369 5358 6113 9418 8422 196'6 9122 9768 10993 10094 i 9989 8921 7635 6323 5391 5731 5831 7042 8()61 1967 6281 7815 8795 8335 i 9989 8921 7635 6323 5752 5501 12087 13673 8409 1968 8314 9768 10993 100941 9989 8921 7635 6223 5716 5583 6289 8266 8137 1969 8087 9768 10993 9379 !7991 7137 6108 5058 4296 4077 5801 5922 7050 1970 5153 6154 6926 6359 i 6293 5620 4810 4146 4296 4077 4674 5650 5340 1971 6281 7815 8795 8075 i 7991 7137 6108 5058 4296 5096 6936 12001 7121 191'2 8605 9951 12036 111491 11071 10048 8947 6303 5393 5819 7467 11644 9020 197,3 8112 9768 10,993 100941 9989 8921 7635 6323 5369 5096 5842 6670 7890 1974 6281 7815 8795 8075 I 7991 7137 6108 5058 6022 5096 5327 5650 6604 197,5 6281 7815 8795 80751 7991 7137 6108 5058 5255 5610 6449 12932 7278 197.6 8535 9962 12152 11291 f 10118 8921 7635 6323 5369 5096 5842 5692 8071 197.7 6281 7815 8795 8075 i 7991 7137 6108 5058 4866 ,5947 6194 9802 6996 1978 8632 10171 12010 111721 11104 10078 8962 7586 6204 5096 5067 5650 8464 197,9 6281 7815 8795 80751 7991 7137 6108 5058 5267 6115 6359 7358 6856 1980 7852 10196 12073 11221'11154 10117 8980 7474 6238 5217 6200 8641 8764 1981 9027 10894 12167 11265 !11106 10081 8947 7413 6436 4893 15967 11669 9985 1982 8600 10166 12034 11130 I 11071 10095 8916 7285 6181 5096 5842 5692 8496 1983 6281 8645 10993 10094.9989 8921 7635 6323 6101 5975 6425 7149 7866Ir MAX 9122 10894 12167 113271 11164 10176 9048 7586 6436 6115 15967 13673 9985 MIN 5153 6154 6926 63591 6293 5620 4810 4146 4296 4077 4674 5650 5340 MEAN 7609 9198 10638 9953 1 9856 8838 7670 6146 5415 5328 7167 8462 8012 \ I I ! ---------',.~-~ ---~--'-----_......--._-_..~---'--.~-'._-----"-'- ., I TABLE £.2.4.57 WITH-PROJECT DEVI L ~ANYON MONTHLY FLOWS (CFS).LATE STAGE :m: YEAR OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP ANNUAL 1951 4846 6400 8919 8174 8086 7214 6311 6627 8301 8231 7472 6156 7226 1952 8481 10138 11250 10303 10091 9014 7710 7096 9603 7987 8359 8889 9068 1953 9084 10245 11263 10275 10122 9017 7789 9008 9477 7953 8564 9182 9327 1954 8741 10090 11196 10230 10115 9012 7823 9654 9065 7234 9259 9195 9297 1955 7252 8271 9177 10355 10213 9060 7801 7995 '8571 8192 8385 12791 8991 1956 8865 9969 11161 10199 10126 9080 7783 9139 9547 8700 16232 16496 10608 1957 9471 10265 11310 11435 11350 10296 9165 9042 8665 7830 8383 9602 9725 1958 9252 10812 12525 11454 11298 10232 9148 9071 8726 7295 8522 7126 9615 1959 7016 8085 9051 8312 10003 9105 7869 9525 8537 7994 9722 11043 8845 1960 9535 10355 12389 11483 11360 10297 9167 8294 7752 8151 7176 6402 9357 1961 8307 10200 11713 11549 11386 10351 9334 '9361 9823 8572 8238 8869 9798 1962 9063 10049 11250 11419 11321 10273 9142 8390 9993 7976 17172 14767 10897 1963 9539 10147 12299 11424 11354 10250 9081 8167 8761 8857 13552 11777 10432 1964 9581 10064 12244 11422 10547 9011 7723 5863 9588 8028 8316 9075 9280 1965 9427 10045 12189 11389 10497 8982 7717 7624 8267 8318 8572 11359 9526 1966 10398 10111 11267 10313 10190 9123 7916 7963 9896 8113 8685 8672 9383 1967 6856 8071 9038 8591 10226 9120 7838 8203 8836 8595 16275 15728 9774 1968 8880 10039 11219 10327 10207 9140 7849 8378 9474 8371 8232 9328 9281 1969 8529 9946 11075 9447 8065 7221 6267 6175 7304 7720 7423 6458 7974 1970 '4777 2931 5408 6480 6400 5718 4871 5332 7016 6809 7169 6760 5806 1971 7258 8401 9183 8297 8158 7287 6280 5629 7714 7740 8977 13448 8190 1972 9163 10276 12392 11514 11416 10342 9208 10107 9894 8112 8362 12420 10256 1973 8450 9945 11133 10203 10118 9003 7708 6932 8022 8415 8260 6280 8702 1974 4919 7521 8859 8133 8047 7200 6184 7174 8008 7941 7970 6050 7332 1975 5908 7960 9005 8269 8222 7368 6354 7423 8869 8368 8354 15011 8415 1976 9860 10214 12284 11431 10252 9056 7836 8689 8377 8022 8861 6316 9270 1977 4716 6504 9255 8384 8258 7387 6415 7701 9120 7987 8396 10440 7874 1978 9774 10737 12401 11462 11361 10301 9151 8047 7547 7030 6973 6230 9243 1979 6937 8194 9031 8243 8140 7201 6193 6023 8201 7552 8180 ,8433 7690 1980 8602 10626 12319 11400 11304 10261 9152 8711 9093 8479 8396 9982 9850 1981 9730 11232 12218 11366 11353 10289 9204 8786 8483 8585 20680 13033 11254 1982 9284 10786 12378 11516 11396 10291 9294 8896 9176 7994 7897 6896 9643 1983 7399 8968 11292 10395 10236 9091 78,5.1,8428 8489 8033 8242 8689 8920 MAX 10398 11232 12525 11549 11416 10351 9334 10107 9993 8857 20680 16496 11254 MIN'4716 2931 5408 6480 6400 5718 4871 5332 7016 6809 6973 6050 5806 MEAN 8179 9321 10839 10157 10037 8988 7852 7983 8733 8036 9553 9785 9117 ,"~,'. i TABLE E .•4.58 WITH"'PROJECT GOLD CREEK MON,THLY FLOWS (CFS),LATE STAGE :m:I i ! YEARj OCT NOV DEC JAN I FEB MAR APR MAY JUN JUL AUG SEP ANNUAL , 89891951:5032 6473 8223 8142 7262 6606 7515 8906 9000 9000 7434 7716 1952!8875 10277 11402 10394 10177 9073 7769 7657 11805 9204 10352 9506 9702 1953;9735 10493 11443 10376 10213 9070 8563 10090 11325 9096 9789 10576 10061 1954:9223 10263 11322 10295 10191 9075 '8269 113:55 11088 9614 9916 10731 10111 1955[7704 8601 9371 10486 10332 9152 8051 8748 10374 9264 9000 13555 9540 1956 i 9118 10113 11264 10265 10203 9169 .7971 10621 11858 10523 18154 18391 11474 1957i 9971 10592 11483 11546 11455 10408 9404 10282 10308 9065 9535 11331 10440 1958 1 9993 11244 128?7 11617 11400 10295 9322 10425 9616 9050 9105 7789 10224 1959:7375 8258 9209 8454 10118 9220 8089 11299 10554 9696 12147 12709 9756 1960:9969 10623 12595 11638 11480 10386 9540 8547 9034 9000 9000 8077 9986 19611 8893 10488 11958 11752 11576 10533 9874 10263 12355 10311 9055 10102 10587 1962,9415 10285 11393 11507 11426 10358 9362 92.76 12001 9000 18408 15804 11517 1963:9838 10333 12429 11533 11442 10320 9223 8752 11312 11250 14014 12434 11073 1964:9995 10258 12355 11498 10605 9069 7777 7881 10527 9040 9186 9793 9828 1965:9934 10197 12276 11423 10536 9013 7794 8253 9939 10064 9750 12528 10139 1966:11090 10316 11418 10433 10310 9237 8136 8828 12388 9453 10180 9658 10119 19671 7158 8225 9177 8727 10351 9242 7981 90,98 10679 10453 18423 16911 10532 1968:9181 10197 11348 10457 10329 9261 7974 94:62 11672 9824 935~9968 9916 1969;8762 10050 111~6 9485 8106 7267 6389 6708 7907 8000 8000 6767 8220 19701 5032 3000 5466 6547 6459 5772 4923 5912 8592 '8557 8258 7444 6333 1971,7801 8716 9405 8416 8253 7373 6386 9019 9530 9000 10246 14324 8783' 19721 9460 10466 12593 11717 11611 10506 9438 12857 11647 9073 9046 12980 10942 19731 8610 10062 11215 10268 10177 9059 7761 7341 9347 9000 9000 6800 9050 1974!5153 7585 8900 8162 8081 7234 6272 8097 9324 9000 9000 6800 7802 1975(6140 8039 9123 8376 8352 7496 6530 8916 10656 9738 9497 16242 9084 1976:10559 10387 12361 11508 10322 9133 8065 10124 9705 9000 9000 6800 9753 1977:5032 6772 9505 8557 8400 7532 6589 9459 11174 9312 9000 11224 8543 1978i 10391 11063 12622 11622 11508 10425 9358 ,82,63 8115 8000 8000 6767 9672 1979:7312 8431 9166 8336 8222 7236 6276 6434 8930 9000,9405 9138 8156 1980:8978 10885 12467 11502 11389 10340 9316 9348 11901 10314 9939 10970 10604 1981!10060 11466 12304 11425 11484 10404 9501 9725 9059 11748 22316 13862 11961 19821 10306 11179 12576 11732 11574 10401 9546 10380 10718 9000 9000 8123 10373 1983i 8013 9153 11454 10560 10375 9190 8062 9949 9356 9000 9363 9580 9503 MAX 11090 11466 12857 11752 11611 10533 9~74 12857 12388 11748 22316 18391 11961 MIN 5032 3000 5466 6547 6459 5772 4923 5912 7907 8000 8000 6767 6333 MEAN 8609 9530 10987 10268 10139 9076 8064 9027 10355 9414 10710 10761 9742 '~--' ~.--"-'~'-..-'--'-~~--.,~...- -------- .'.-.', TABLE £.2.4.59 WITH-PROJECT SUNSHINE MONTHLY FLOWS (CFS).LATE STAGE:m: .YEAR OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP ANNUAL 1951 12856 9277 11208 10471 10082 8590 8833 19117 38119 47909 37690 27727 20230 1952 16741 14765 14754 12796 11664 10565 9540 17543 58523 54474 45820 32687 25056 1953 22402 14497 13857 12284 11683 10442 11345 32392 48029 40458 38532 34074 24238 1954 15744 13025 13593 12181 11820 10519 9908 23013 41202 43558 49949 29512 22920 1955 14656 12611 12036 12751 11814 10568 9965 17202 42691 55255 40807 38157 23274 1956 17833 13145 13710 12220 11860 10789 9531 24684 52-795 51233 46185 42412 25602 1957 16890 14125 14165 14114 13424 12300 11335 22891 47246 47788 43636 27315 23841 1958 17677 15997 16167 13770 13247 12437 12435 40342 47847 46681 53597 28119 26640 1959 17158 11934 11366 10566 11875 10849 10627 28097 37801 45068 56978 30997 23715 1960 18161 14514 15372 13839 13247 11906 11214 26918 34531 43643 43750 28994 23095 1961 18043 14049 15029 14289 13511 12319 12457 24509 42961 47604 44775 31774 24354 1962 18617 14457 14153 13758 13186 11904 11394 22029 .48598 49907 50606 33867 25285 1963 15930 13183 15135 13893 13313 11629 10503 25292 39148 57501 41772 28823 239401964200221369914164 13185 12005 10319 9522 16983 77926 48654 38628 24193 24978 1965 19163 14987 15662 13861 12662 10956 9966 20578 42345 47719 45142 47235 25085 1966 22110 13644 13786 12453 12041 10828 10023 15918 49045 45462 50157 28396 23733 1967 14593 10955 11558 10940 12268 10851 9525 26499 47779 61286 68817 40470 27250 1968 15035 13298 13886 12680 12438 11281 10485 30224 57523 .53279 39204 22292 24382 1969 13559 12510 12915 10988 9477 8543 8391 17200 33055 37295 24031 15983 17052 1970 11349 5805 7460 8340 8151 7391 7048 20235 37886 46957 43519 25658 19241 1971 14845 12814 12078 10321 9748 8786 7976 13000 53227 50471 52951 32568 23306 1972 17978 14174 15037 13760 13409 12037 11048 27771 43905 49088 41072 34907 24590 1973 17198 13922 14150 12398 12072 10612 9403 21216 45533 39456 38731 20265 21310 1974 9604 10218 11001 9906 9791 8781 7975 20269 34179 41977 37350 24047 18828 1975 12165 10859 11508 10405 10024 8990 8164 22734 47969 51960 42417 37040 22924 1976 18282 12977 14332 13274 12189 10860 10615 26936 48938 49285 45062 21770 23806 1977 12854 10837 12592 10909 10247 9250 8363 21526 66426 53080 48731 32986 24883 1978 20040 15124 15569 14198 13391 11989 11347 17763 34849 48168 40620 23405 22289 1979 13310 12150 12127 10730 10158 8975 8736 26177 42036 58818 46735 22405 22814 1980 17942 15408 15050 13696 13389 12157 11722 18224 42152 52625 34340 27404 22906 1981 18870 16124 15211 13856 13575 12232 12017 29848 40270 65761 68616 32532 28396 1982 19216 14665 14208 12835 13064 12075 11587 23444 47003 47403 39918 39065 24596 1983 18535 14787 15025 13529 13030 10987 10425 26927 40756 42076 44745 25468 23108 MAX 22402 16124 16167 14289 13575 .12437 12457 40342 77926 65761 68817 47235 28396 MIN 9604 5805 7460 8340 8151 7391 7048 13000 33055 37295 24031 15983 17052 MEAN 16648 13168 13572 12400 11935 10688 10104 23258 45827 49148 44996 30077 23566 ...---.."'-....,...-.o • TABLE E.2..4.~O iWITH-PROJECT SpSITNA STATION MONTHLY FLOWS (CFS),LAT!;:STAGE :III:II i . Ii YEAR OCT NOV DEiC JAN I FEB MAR APR MAY JUN JUL AUG SEP ANNUAL 17540 I 1951 53262 20515 15100 I 15763 13120 14503 54335 93994 111769 93442 70028 48022 1952 34160 22329 20381 16572 i 15238 13927 11444 36159 79337 98225 87839 59839 41480 1953 39380 26327 20~12 17830 I 16355 13751 13790 45109 80438 108146 107590 98135 49161 1954 47880 26893 20558 17276 I 15904 14723 14959 47906 71062 84182 83569 53975 41783 1955 32105 20895 16~34 16844 16105 14233 13809 51402 93951 135343 99955 78749 49420 1956 50710 24652 20270 17870 !16875 14155 13185 49457 124629 112073 93422 58274 49839 1957 29114 24421 16877 17092 17096 15009 14410 52341 108702 91319 95484 57558 45111 195a 31437 29698 20523 18196 16901 15322 14218 37261 67151 85594 83090 43823 38778 1959 30468 20092 15601 14394 [15266 13498 13286 47504 87840 102135 73221 36183 39318 1960 28310 22785 197.41 18253 ,18331 17392 17623 66907 92666 127835 143603 80014 54765 196i 34589 21134 19864 18250 19204 16842 17194 62953 96424 109254 101739 74925 49579 1962 44676 26858 19Q31 18229 t 17991 16019 16978 45648 87133 140948 113160 65372 51372 1963 27503 18749 19839 18224 :17029 15583 13855 46739 89008 123028 93352 66576 46013 1964 34832 19214 17565 18474 16529 13702 12439 34039 87292 103769 91162 41632 41096 1965 32640 20872 20290 17863 I 16185 14189 14684 54433 100829 124503 89406 75455 48661 1966 47644 28644 19070 17048 16745 14457 12659 33646 84687 107104 121691 100258 50512 1961 43046 16586 14119 13598 I 15644 13891 11968 22479 54878 93568 106593 72634 40126 1968 38906 21873 186,65 17181 17102 15001 19087 81866 123389 115830 86039 40860 49899 1969 18428 16-664 16~27 16197 '13964 12446 14085 79724 112467 106927 79830 39255 44103 197Q 29460 11370 10351 12426 12380 11105 12067 64199 108218 128626 103956 54515 46837 1971 22646 18077 15~41 15016 ,13547 11703 10960 41845 103908 124758 94038 65689 45040 1972 28257 17821 17975 18074 !17211 14873 14875 48944 95222 112740 92012 60548 45082 1973 29095 23339 18941 16256 15323 13349 11956 41329 86411 90169 79624 57292 40413 1974 28428 18055 16183 15591 [15296 13944 15096 60395 73155 82662 80642 49852 39305 1975 21898 16760 16937 15456 14684 13145 11828 41701 106466 117613 82479 78093 44909 1976 34276 18399 17314 17029 15028 13598 15604 66273 92408 106567 87365 49216 44670 1977 31109 22541 20227 16844 15660 12828 11219 53732 138236.129582 115579 82858 54414 1978 40947 22191 18319 16574 16608 15411 14816 44947 79918 104886 93245 53785 43700 1979 38910 21189 16811 15761 i 14872 13078 13954 73158 104387 122564 116816 76093 52589 1980 60590 37990 24723 19885 I 18956 17847 20021 64125 125110 156910 117241 89117 63011 1981 37036 24343 18951 17179 ,17085 15003 18780 76299 97751 131959 142820 67122 55712 1982 36412 25470 21890 18478 i 17041 14649 13634 41694 92402 99263 89091 99664 47611 1983 35094 21742 19009 16.665 I 16776 14639 14186 57947 88052 91634 92435 48335 43258 MAX'60590 37990 24723 19885 19204 17847 20021 81866 138236 156910 143603 100258 63011 MIN 18428 11370 10351 12426 12380 11105 10960 ·22479 54878 82662 73221 36183 38778 MEAN 35553 22075 18430 16840 16203 14316 I 14338 52318 94773 111560 97925 65022 46836 TABLE E.2.4.61'MONTHLY MAXIMUM,MINIMUM AND MEAN FLOWS AT ,DEVIL CANYON (CFS) STAGE III -WATANA (HIGH)-DEVIL CANYON OPERATIONS MONTH NATURAL CONDITIONS WITH PROJECT CONDITIONS EARLY STAGE ]I[LATE STAGE ]I[ MAX MIN MEAN MAX MIN MEAN MAX MIN MEAN OCT 7518 2867 5363 8796 4777 7290 10398 4716 8179 NOV 3955 1146 2402 8397 5166 8035 11232 2931 9321 DEC 2905 810 1703 9115 8016 8863 12525 5408 10839 JAN 2212 687 1429 8331 7389 8145 11549 6480 10157 FEB 1858 682 1216 8188 7299 8010 11416 6400 10037 MAR 1779 664 1086 7376 6521 7192 10351 5718 8988 APR 2405 697 1340 6597 5558 6411 9334 4871 7852 i MAY 19777 3428 12462 7825 5864 6600 10107 5332 7983 JUN 47814 14710 26043 9068 6752 7601·9993 7016 8733 JUL 32388 15651 23075 24991 6445 11778 8857 6809 8036 I AUG 35256 8484 20654 35063 6969 17332 20680 6973 9553 SEP 19799 4796 12555 18930 6050 12430 16496 6050 9785 ANNUAL 11254 5352 9159 11254 6415 9156 11254 5806 9117 I I ·'1 • TABLE E.2.4.~2 I MONTHLY !1AXIMUM,M,INIMUM AND MEAN FLOWS AT GOLD CREEK (CFS) I ~TAGE IIIi -WATANJ (HIGH)-DEVIL CANYON OPERATIONS I : NATURALI CONDITIONSMONTH OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP ANNUAL MAX 8212 4192 3264 2452 2028 .1900 2650 21890 50580 34400 37870 21240 11961 MIN, ' "3~24 1215 ,866 I 724 I 723 i 713I745 I 3745 15500116~00 8879 i 5093, I 5596. MEAN 5825 2589 1844 1643 1317 1169 1441 13483 27795 24390 21911 13493 WITH PROJECT CONDITIONS EARLY STAGE 11[LATE STAGE 11[ 'MAX MIN MEAN MAX MIN MEAN ! 1 9488 5032 7720 11090 5032 8609 8724 5235 8244 11466 3000 9530 19401 8074 9011 12857 5466 10987 i8471 7456 8256 11752 6547 10268 i8284 7358 8112 11611 6459 10139 17462 6575 7280 10533 5772 9076 17187 5610 6623 9874 4923 8064 'i10524608076431285759129027 lJ0394 7867 9223 12388 7907 10355 26016 8000 13156 11748 8000 9414 36698 8000 18489 22316 8000 10710 20605 6767 13406 18391 6767 10761 ! I I 6942 9781 11961 6333 9742 , '~! "~ TABLE E.2.4.63'MONTHLY MAXIMUM,MINIMUM AND MEAN FLOWS AT SUNSHINE (CFS) STAGE III -~ATANA (HIGH)-DEVIL CANYON OPERATIONS MONTH NATURAL CONDITIONS WITH PROJECT CONDITIONS EARLY STAGE JJI LATE STAGE JJI MAX MIN MEAN .MAX MIN MEAN MAX MIN MEAN OCT 20837 8176 13799 21881 11129 15759 22402 9604 16648 NOV 8775 4020 6185 13944 8040 11882 16124 5805 13168 DEC 6547 ,2675 4426 12710 10069 11595 16167 7460 13572 JAN 5216 2228 3674 11336 9249 10388 14289 8340 12400 FEB 4664 2095 3115 10836 9051 9908 13575 8151 11935 MAR 3920 1972 2786 9375 8194 8892 12437 7391 10688 APR 5528 2233 3585 9969 7736'8662 12457 7048 10104 ~1AY 43121 10799 27674 37862 13481 21874 40342 13000 23258 JUN 116152 40702 63268 77405 33066 44695 77926 33055 45827 JUL 85600 45226 64143 73890 37295 52891 65761 37295 49148 AUG 84940 25092 56148 82999 24031 52775 68817 24031 44996 SEP 54110 14320 32867 54110 15983 32722 47235 15983 30077 ANNUAL 28262 14431 23607 28396 16473 23605 28396 17052 23566 MONTH I I I I I I ! TABLE E.2.4.64"MtNTHLY MAXIMUM,MIN~MUM AND MEAN FLOWS AT SUSITNA STATION (CFS) SrA~E 111'-WATANA (HIGH)-DEVIL CANYON OPERATIONS NATURAL ICONDITIONS WITH PROJECT CONDITIONS I r EARLY STAGE ]II LATE STAGE :m: OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP ANNUAL MAX 58640 31590 14690 10120 9413 8906 13029 88470 165900 181400 159600 109700 63159 IMI~ 113476 8251 57!53 6365 5614' 5271 4613 28713I , 71 38 ;i8 ~25P 80891I, 37592I , I I 38030I • MEAN 32777 15063 9267 8112 7383 6412 7684 56770 112256 126590 109084 67721 46871 MAX I 59829 35538 21261 16688 15877 14756 1~672 8<il229 136737 167898 157203 109195 I 63155 I MIN 16807 13605 12959 13217 12785 11526 10113 20902 53205 82662 79830 39255 38038 MEAN 34664 20789 16453 14828 14176 12520 12897' 50935 93641 115302 105704 67667 46875 MAX 60590 37990 24723 19885 19204 17847 20021 81866 138236 156910 143603 100258 63011 MIN 18428 11370 10351 12426 12380 11105 10960 22479 54878 82662 73221 36183 38778 MEAN 35553 22075 18430 16840 16203 14316 14338 52318 94773 111560 97925 65022 46836 '., --'-"~ TABLE E.2.4.65:SUSITNA HYDROELECTRIC PROJECT DEVIL CANYON OUTLET WORKS OPERATION THREE STAGE PROJE CT EARLY STAGE III Week of Week of Duration Power-Maximum First Maximum of Maximum house Total Watana Release Year Release Release Release Release Flow Release During Period Weeks cfs cfs ac-ft cfs 1950 June 10 Aug 26 11 8,375 °447,000 4,953 1951 June 3 Sept 2 18 21,714 4,260 1,301,000 17,911 1952 June 17 Aug 5 16 18,134 4,438 1,554,000 15,663 1953 July 1 July 29 14 18,041 4,545 1,671 ,000 15,465 I 1954 Aug 5 Aug 19 8 19,299 4,324 1,316,000 14,290 1955 July 1 Aug '26 14 28,063 4,295 2,131,000 24,000 1956 May 20 July 22 15 24,950 4,504 2,735,000 21,734 1957 May 27 Aug 26 17 15,694 4,259 2,058,000 17,043 1958 June 3 Aug 5 12 27,210 3,154 1,402,000 24,000 1959 May 20 Aug 26 12 35,217 2,828 2,048,000 24,000 1960 July 1 Sept 9 14 22,578 4,008 1,616,000 15,518 1961 June 17 Aug 5 14 20,616 4,445 2,263,000 17,497 1962 June 10 J;uly 22 17 21,665 4,498 3,115,000 19,669 1963 July 8 July 15 14 28,525 4,602 2,684,000 24,000 1964 June 3 July 15 19 19,024 4,577 1,847,000 17,922 1965 July 22 Aug 12 12 24,283 4,428 2,060,000 19,488 1966 June 3 Aug 19 14 16,948 4,318 1,125,000 12,734 1967 July 1 Aug 12 12 32,359 4,455 2,702,000 24,000 1968 July 1 July 15 12 19",869 4,578 1,699,000 16,658 1969 July 1 Aug 19 10 4,154 3,443 355,000 1970 1971 July 1 Sept 2 11 17,226 4,233 787,000 12,550 1972 May 27 July 8 15 19,582 4,679 2,413,000 17,106 1973 June 3 Aug 12 14 8,398 °725,000 14,275 1974 July 1 Aug 19 11 4,557 3,636 277 ,000 1975 July 1 July 22 16 20,167 4,493 1,970,000 16,921 1976 June 17 Aug 12 13 8,915 °482,000 9,979 1977 May 27 July 29 17 16,838 4,534 1,878,000 14,384 1978 July 29 Aug 19 8 9,603 4,298 651,000 8,813 1979 June 3 July 29 17 20,325 4,542 1,697,000 22,945 1980 July 8 July 29 14 26,881 4,559 2,417,000 23,072 1981 June 3 Aug 16 16 32,951 2,956 3,290,000 24,000 -];-982 July 1 Sep 16 15 20,718 3,994 1,647,000 17,654 1983 June 3 Aug 26 20 21,011 4,273 1,832,000 17,243 TABLE E.2 .4.66:SUSITNA HYDROELECTRIC PROJECT DEVIL CANYON CONE VALVE OPERATION THREE STAGE PROJECT JLATESTAGEIII Week of Week of Duration Power-Maximum First Maximum of Maximum house Total Watana Release }Year Release Release Release Release Flow Release During Period Weeks cfs cfs ac-ft cfs J 1950 1951 }1952 1953 1954 ~1955 Aug 26 Sep~2 5 11,857 5,653 420,000 8,653 1956 Aug 5 Aug 12 8 17,910 6,046 1,210,000 12,222 ~j' 1957 1958 I1959Sept2Sept956,411 6,938 195,000 2,362 1960 1961 }1962 Aug 5 Aug 26 8 16,449 5,760 1,210,000 11 ,424 1963 Aug 12 Aug 19 7 15,820 5,905 728,000 12,613 1964 Aug 26 Sept 9 3 4,455 6,034 114,000 1,238 I1965Sept23Sept23211,276 7,213 230;000 7,403 1966 -1967--Aug--1-2~----A~g~19-----~7"--~~22-,-674---5,92-5--l,lO3,OOO-~16,2-70 1968 Sept 2 Sept 9 2 4,335 6,136 121,000 j1969 1970 1971 Aug 26 Sept 2 5 15,801 5,658 508,000 9,902 1972 May 27 Sept 9 6 11,943 5,269 422,000 5,984 1973 1974 ,I_._._,______________19 7_2____Atig .~____.P_E!Pt:_9 5 _..!~,11~.,~.,27?___,_,_~72_,OOQ____,_2_,.2,Z.~___ ._-_.~-..._--_.._._..,_~.__."_._.__.- 1976 1977 Sept 9 Sept 16 3 7,984 5,206 254,000 -l';53-r--- 1978 I1979 1980 Sept 16 Sept 16 3 4,933 6,962 142,000 1,419 1981 Aug 12 Aug 19 7 29,582 5,959 1,244,000 22,420 1982 1983 --------..---....'-. TABLE E.2.4.67:SUSITNA HYDROELECTRIC PROJECT SIMULATED STREAM TEMPERATURES LATE STAGE II I WEATHER PERIOD:SUMMER 1981 CASE E-VI FLOW REQUIREMENTS STAGED CONSTRUCTION 50 FT DRAWDOWN AT DEVIL CANYON 2 LEVELS OF PORTS RIVER MAY JUNE JULY MILE 31 32 33 34 35 36 37 38 39 40 41 42 43 44 15011 2.7 3.2 4.0 4.5 5.2 6.2 7.3 8.5 8.2 7.3 7.0 8.5 9.8 10.4 140 2.9 3.5 4.3 4.8 5.6 6.4 7.6 8.8 8.5 7.6 7.4 8.8 10.0 10.6 130 .3.1 3.9 4.7 5.2 6.1 6.6 7.9 9.1 8.5 7.8 7.4 8.6 9.7 10.1 120 3.4 4.4 5.2 5.7 6.7 7.0 8.5 9.7 8.9 8.2 7.8 9.0 10.1 10.5 110 3.6 4.8 5.7 6.2 7.3 7.3 9.0 10.2 9.3 8.6 8.2 9.3 10.5 10.8 992:/3.9 5.3 6.1 6.7 7.8 7.6 9.5 10.7 9.6 9.0 8.6 9.7 10.8 11.1 98~/4.0 5.4 6.1 6.4 7.3 6.7 8.0 8.7 8.0 8.0 7.8 8.1 8.6 8.6 84!f/4.4 6.2 7.0 7.2 8.3 7.2 8.8 9.5 8.7 8.7 8.4 8.8 9.2 9.3 RIVER AUGUST SEPTEMBER MILE 45 46 47 48 49 50 51 52 1 2 3 4 5 15011 9.9 5.3 5.0 6.6 7.3 7.3 7.6 8.1 7.5 7.0 6.6 6.1 5.4 140 10.1 5.6 5.2 6.8 7.4 7.4 7.6 7.9 7.3"6.9 6.4 5.9 5.0 130 9.8 5.7 5.4 7.0 7.5 7.4 7.6 7.5 6.9 6.6 6.1 5.5 4.5 120 10.1 5.9 5.7 7.3 7.7 7.5 7.6 7.3 6.6 6.4 5.9 5.2 3.9 110 10.4 6.1 5.9 7.6 7.9 7.6 7.7 7.1 6.4 6.2 5.7 5.0 3.4 992:.1 10.7 6.4 6.1 7.9 8.1 7.7 7.7 6.8 7.1 6.0 5.5 4.7 2.9 9all 8.5 6.7 6.4 7.5 7.2 6.9 6.4 4.9 4.7 4.8 4.4 3.7 2.1 84f±1 9.1 7.1 7.1 8.3 7.6 7.1 6.6·4.4 4.2 4.3 4.0 3.2 1.3 II Downstream of Devil Canyon Dam Site 2:.1 Upstream of Chulitna -Susitna confluence 11 Downstream of Chulitna -Susitna confluence !fl At Sunshine Stream gaging station TABLE E.2.4.68:SUSITNA HYDROELECTRIC PROJECT SIMULATED STREAM TEMPERATURES LATE STAGE III WEATHER PERIOD:SUMMER 1982 CASE E-VI FLOW REQUIREMENTS STAGED CONSTRUCTION 50 FT DRAWDOWN AT DEVIL CANYON 2 LEVELS OF PORTS RIVER MAY JUNE JULY MILE 31 32 33 34 35 36 37 38 39 40 41 42 43 44 1501/3.6 3.8 4.0 4.3 4.6 4.9 5.4 6.1 6.6 7.3 8.6 9.6 9.8 9.9 140 3.8 3.9 4.2 4.5 4.9 5.1 5.6 6.4 7.1 7.8 8.9 9.9 10.0 10.2 130 4.1 4.1 4.5 4.8 5.2 5.4 5.8 6.7 7.5 8.0 9.0 9.9 9.6 10.0 120 4.4 4.3 4.8 5.1 5.7 5.8 6.1 7.2 8.2 8.6 9.5 10.4 9.9 10.5 110 4.7 4.5 5.2 5.4 6.1 6.2 6.4 7.7 8.7 9.1 9.9 10.8 10.3 10.9 9g1../5.0 4.7 5.5 5.8 6.5 6.5 6.8 8.2 9.4 9.6 10.3 11.3 10.6 11.4 9al/4.9 4.5 5.4 5.5 6.3 6.6 6.2 6.8 8.5 8.1 8.3 8.8 8.0 8.7 s4lf/5.3 4:9 6:0 6:1 7::f 7.7 6.8 7.8 9.7 8~9 9~0 9.7 8.8 9.6 1 1 1 ] 1 I ~I 1/Downstream of Devil Canyon Dam Site 2:./Upstream of Chulitna -susitna confluence 3/Downstream of Chulitna -Susitna confluence !/At Sunshine Stream gaging station ! j I I '\ I j I I 1 AUGUST SEPTEMBER 45 46 47 48 49 50 51 52 RIVER MILE 1501/9.9 9.7 9.9 8.5 7.3 7.6 7.8 8.0 140 10.2 9.9 1001 8.7 7 ~5'7.6 7.7 7.8 130 10.2 9.9 10.1 8.7 7.5 7.4 7.2 7.4 120 10.7 10.2 10.5 9.1 7.7 7.6 7.3 7.3 110 11.1 10.6 10.9 9.3 7.8 7.7 7.3 7.2 992:./11.6 10.9 11.2 9.6 8.1 7.8 7.4 7.1 981/8.8 8.4 8.8 7.3 6~8 6.2 5.1 5.3 ~~-_.---_._,_..__._.,.__.~-........------84!±L-----9-.-;;--9.-1-9-.-;;--···8.1 ··7-.-3--6 ~-_._--_._-----_._._-~--~~---_.._...._. TABLE E.2.4.69:SUSITNA HYDROELECTRIC PROJECT STREAM TEMPERATURES EARLY STAGE II I WEATHER PERIOD:SUMMER 1981 CASE E-VI FLOW REQUIREMENTS STAGED CONSTRUCTION May June July River Mile 31 32 33 34 35 36 37 38 39 40 41 42 43 44 1501./2.1 2.9 3.8 4.2 4.7 5.3 5.9 6.5 6.8 6.7 5.2 4.3 6.2 7.3 140 2.4 3.3 4.2 4.6 5.3 5.6 6.4 7.0 7~2 7.1 5.5 4.6 6.5 7.5 130 2.8 3.8 4.7 5.2 5.9 5.9 6.8 7.5 7.4 7.3 5.8 4.9 6.7 7.7 120 3.1 4.5 5.3 5.9 6.7 6.3 7.4 8.2 7.•9 7.8 6.2 5.2 7.0 8.0 110 3.5 5.0 5.9 6.4 7.5 6.7 8.0 8.7 8.3 8.2 6.4 5.5 7.2 8.2 992,./3.8 5.'6 6.5 7.1 8.2 7.1 8.6 9.4 8.8 8.7 6.8 5.8 7.6 8.5 August September October River Mile 45 46 47·48 49 50 51 52 1 2 3 4 5 1501./7.6 7.7 7.3 7.7 8.4 8.4 &.6 8.1 7.4 7.0 6.6 6.2 5.5 140 7.8 7.8 7.4 7.9 8 5 8.4 8.6 7.9 7.1 6.8 6.4 5.9 4.9 130 8.0 7.7 7.5 .8.0 8.5 8.4 8.5 7.5 6.6 6.4 5.9 5.5 4.2 120 8.2 7.9 7.7 8.2 8.7 8.4 8.5 7.3 6.3 6.1 5.6 5.2 3.5 110 8.4 8.0 7.8 8.4 8.8 8.5 8.5 7.1 6.0 5.9 5.4 5.0 2.9 992,./8.7 8.1 8.0 8.7 9.0 8.5 8.5 6.8 5.6 5.6 5.1 4.6 2.2. 1/Downstream of Devil Canyon Dam Site 2,./Upstream of Chu1itna-Susitna Confluence TABLE E.2.4.70:SUSITNAHYDROELECTRIC PROJECT STREAM TEMPERATURES EARLY STAGE III WEATHER PERIOD:SUMMER 1982 CASE E-VI FLOW REQUIREMENTS STAGED CONSTRUCTION May June July River Mile 31 32 33 34 35 36 37 38 39 40 .41 42 43 44 15011 3.6 3.7 4.0 4.3 4.4 4.6 5.1 6.1 6.7 7.0 5.5 5.2 5.4 6.3 140 3.8 3.9 4.2 4.5 4.8 4.9 5.4 6.5 7.3 7.5 5.8 5.5 5.7 6.6 130 4.2 4.1 4.6 4.7 5.2 5.2 5.6 6.8 7.6 7.8 6.2 5.9 6.0 6.9 120 4.6 4.4 5.0 5.2 5.8 5.7 6.0 7.3 8.4 8.4 6.7 6.3 6.3 7.3 110 5.0 4.6 5.4 5.6 6.3 6.1 6.3 7.8 9.0 8.9 7.0 6.7 6.6 7.6 992..1 5.4 4.9 5.8 6.0 6.8 6.5 6.7 8.4 9.7 9.4 7.5 7.1 7.0 8.0 August September River Mile 45 46 47 48 49 50 51 52 15011 7.6 7.7 8.0 7.9 7.9 7.9.7.8 8.3 140 7.9 8.0 8.3 8.1 8.0 7.9 7.8 8.2 130 8.2 8.2 8.5 8.2 8.0 7.9 7.7 7.9 120 -.-8-:0--8:-5--8-:9 8-:5 ---8-.1:-8-:cO-~7::8-T:-8 110 8.9 8.8 9.2 8.7 8.3 8.1 7.8 7.8 9g2.1 9.1 9.2 9.6 9.0 8.4 8.1 7.9 7.7 II Downstream of Devil Canyon Dam Site 2..1 Upstream Susitna-Chu1itna Confluence ---__--.__---___--- ] .j 1 ] 1 I --j I 1 ( I I I .l I I I 1 RIVER AUGUST SEPTEMBER MILE 45 46 47 48 49 .50 51 52 1 2 3 4 5 15011 7.0 7.4 6.4 6.9 7.7 7.8 ~.2 8.4 7.7 7.3 6.8 6.3 5.5 140 7.4 7.5 6.5 7.1 7.9 7.9 8.2 8.1 7.5 7.1 6.6 6.1 5.1 130 7.5 7.4 6.7 7.3 7.9 7.8 8.1 7.7 7.0 6.8 6.3 5.7 4.6 120 7.9 7.6 6.9-7.6 8.1 7.9 8.1 7.5 6.8 6.6 6.0 5.5 4.1 110 8.2 7.7 "7.0 7.8 8.3 8.0 8.2 7.3 6.5 6.4 5.9 5.3 3.6 992..1 8.7 7.9 7.3 8.1 8.5 8.1 8.2 7.0 6.2 6.1 5.6 5.0 3.1 9all 8.0 7.2 7.1 7.6 7.4 7.1 6.7 5.0 4.8 4.9 4.5 3.9 2.3 84!±1 8.7 7.5 7.7 8.4 7.8 7.3 6.8 4.5 4.3 4.4 4.1 3.4 1.5 II Downstream of Devil Canyon Dam Site 11 Upstream of Chulitna -Susitna confluence 11 Downstream of Chulitna -Susitna confluence ~I At Sunshine Stream gaging station 1.1 Downstream of Devil Canyon Dam Site 21 Upstream of Chulitna -Susitna confluence 11 Downstream of Chulitna -Susitna confluence !I At Sunshine Stream gaging station TABLE E.2.4.72:SUSITNA HYDROELECTRIC PROJECT SIMULATED STREAM TEMPERATURES LATE STAGE III WEATHER PERIOD:SUMMER 1982 CASE E-I FLOW REQUIREMENTS STAGED CONSTRUCTION 50 FT DRAWDOWN AT DEVIL CANYON 2 LEVELS OF PORTS RIVER MAY JUNE JULY MILE 31 32 33 34 35 36 37 38 39 40 41 42 43 44 15o.l 1 3.6 3.8 4.0 4.4 4.6 4.7 4.5 6.2 5.•7 5.3 6.2 6.4 8.3 9.8 140 3.9 3.9 4.3 4.6 4.9 5.0 4.7 6.5 6.1 5.8 6.5 6.8 8.5 10.0 130 4.3 4.1 4~6 4.8 5.3 5.3 4.9 6.8 6.6 6.2 6.9 7.2 8.5 10.0 120 4.7 4.4 5.1 5.3 5.9 5.7 5.2 7.2 7.2 6.7 7.4 7.7 8.9 10.4 110 5.0 4.7 5.5 5.7 6.4 6.1 5.4 7.6 7.7 7.2 7.8 8.2 9.2 10.7 991.1 5.5 4.9 5.9 6.0 6.9 6.5 5.6 8.0 8.3 7.7 8.3 8.7 9.5 11.1 9all 5.2 4.6 5.5 5.6 6.4 6.6 5.7 6.9 8.2 7.5 7.8 8.2 7.9 8.9 84!±1 5.6 4.9 6.1 6.2 7.3 7.6 6.4 7.8 9.4 8.5 8.7 9.1 8.7 9.7 RIVER MILE 1501.1 140 130 120· 110 991.1 9all ------.----.-..------------~-------------------84!±L- AUGUST SEPTEMBER 45 46 47 48 49 50 51 52 9.~9.7 9.8 9.8 10.3 10.7 10.1 9.4 10.1 9.9 10.0 9~9 10.3 10.5 9.8 9.0 10.2 9.9 10.1 9.9 10.0 10.1 8.8 8.2 10.6 10.2 10.4 10.1 10.1 10.1 8.8 8.0 10.9 10.4 10.6 10.2 10.1 10.1 8.8 7.8 11.3 10.7 10.9 10.4 10.2 10.0 8.6 7.5 9.0 8.7 9.1 8.1 8.0 7.2 5.4 5.2 -9-.7-9-.-4-9.7----8.-6-8.-1--7-.2---5-.-7----5.-0--------- I I I ] J j . I ] I 1 I 1 .! ! ! ! f '1 1 I ,I l TABLE E.2.4.73:SEDIMENT CONCENTRATION mg/l STAGE III Range of Simulated Range of Observed Range of Monthly Mean Range of Natural Natural Con-Outflow Outflow dition Concentrations Concentrations Month Conditionsl/(1982)20/ Average Year Average Year (1982)(1982) January <1-8 1-20 50-60 40-70 February 1-30 50 30-65 March 1,:,,"6 1-20 20-30 14-40 April 30-170 20-30 15-40 May 65-1110 130-1270 12-22 10-30 June 151-1860 930-1470 30-40 15-60 July 100-2790 600-1600 70-80 60-100 August 158-1040 200-1070 70-80 55-100 September 23-812 200-1530 50-60 40-70 October 6-140 1-30 50 40-65 November 1-30 70 65-70 December 1-30 65-70 55-70 1/Based on observations by the U.S.Geological Survey on the Susitna River near Cantwell (1962-1972,1980-1983)and the Susitna River at Gold Creek (1974-1983). 20/Estimated range of daily suspended sediment concentrations influent to the reservoir based'on flow vs.concentration rating curve at USGS gauge on Susitna River near Cantwell. 1/Based on simulations of 3 years 1982 represents a year with an average sediment load. TABLE E.2.4.74:PERCENT OF TIME NAVIGATION FLOWS EXCEEDED DURING STAGE III OPERATION Gold creekl.1 -SunshineZI Susitna Stationl1 Stage 3 Stage 3 Stage 3 2008 2008 2008 Natural Load Natural Load Natural Load 27 May 2 Jun 100 100 94 80 88 68 3 Jun 9 Jun 100 100 100 97 100 90 10 Jun 16 Jun 100 100 100 100 100 92 17 Jun .23 Jun 100 100 100 100 100 98 24 Jun 30 Jun 100 100 100 100 100 100 1 Jul 7 Jul 100 100 100 100 100 100 8 Jul 14 Jul 100 100 100 100 100 100 15 Jul 21 Jul 100 100 100 100 100 100 22 Jul 28 Jul 100 100 100 100 100 100 29 Jul 4 Aug 100 100 100 100 100 100 5 Aug 11 Aug 100 100 100 100 100 100 12 Aug 18 Aug 100 100 97 96 100 100 19 Aug 25 Aug 100 100 96 95 97 97 26 Aug 1 Sep 98 100 93 92 96 96 2 Sep 8 Sep 100 ~OO 91 88 75 76 9 Sep 15 Sep 97 100 82 81 63 61 16 Sep 22 Sep 94 100 67 61 62 60 23 Sep 30 Sep 84 100 43 44 42 43 --1---- II Estimated navigable flow =6,000 cfs at Gold Creek,for Portage Creek to Chulitna River. 2:/Estimated navigable flow =25,000 cfsat Sunshine,for navigable channels to all tributaries,Chulitna River at Yentna River.Jet boats -----------------------obser-ved-oper-at-ing--on--main-channel--at--l-7-,800-cfs-.-.------------------------- Estimated flow for jet boat to navigate Alexander Slough =60,000 cfs at Susitna Station.Estimate based on aerial photography.Flow valve dependent on channel morphology of Alexander Slough. 1 I I j j 1 ] .\ "'1 j I I I I :1 I j j ] FIGURES - -1 x X X X X X X X X X X FIGURE E.2.2.1 X <!J Z W <!J <!J«« <!J <!J ~W g <!J LL ~ ::E (I) «I- W (I) 0::W I-0:: (I)U V"- Ix x X X X X X X X X X X 85 ACH STATION NAME IN THE MAP TO MARK THE A ION OF THE STATIONS. -)'.'. /.,;:? / J I STATION (A)SUSITNA RIVER NEAR DENALI (8)SUSITNA RIVER NEAR CANTWELL (VEE CANYON) (C)SUSITNA RIVER NEAR WATANA DAM SITE (D)SUSITNA RIVER NEAR DEVIL CANYON (E)SUSITNA RIVER AT GOLD CREEK (F)SUSITNA RIVER NEAR SUNSHINE (G)SUSITNA RIVER AT SUSITNA STATION (H)MACLAREN RIVER NEAR PAXSON (I)CHUL:ITNA RIVER NEAR TALKEETNA (J)TALKEETNA RIVER NEAR TALKEETNA (K)SKWE,NTNA RIVER NEAR SKWENTNA (L)YENTNA RIVER NEAR SUSITNA STATION / / ./ ./ /" \ \ \ \ \::]\6<5' \ \ ');\~\ LAKE ~J LOUISE 0 .....--------:",,-....-/ .". /' / / / ."./ ,/"/"'-,,,/---" o~~~~IOliiiiiiiiiiiiiiiiiiiiii~20 MILESSCALE1=I ~EKLUTNA LAKE --------:...1'.~n!·.~.c_.m.~i _ COOK INLET STREAMFLOW GAGING AND WATER QUALITY MONITORING STATIONS \ ·1 ! I i i 1 1 1 1 j J ] 1 -1 J j I .j-====~=~~=====-_._---------~--J ) I I ] I I 1 I j u IJ Ij SOURCE:R 6 ..1982 d RIVER MILE 103.2 SINGLE CHANNEL: -STABLE -NON..;,ERODIBLE BANKSi CONTROLLED BY VALLEY WALLS,BEDROCK OR ARMOR LAYER CONSISTING OF GRAVEL/COBBLES. -CHANNEL MAY BE EITHER STRAIGHT OR MEANDERING i IN STRAIGHT CHANNELS, THALWEG OFTEN MEANDERS ACROSS CHANNEL., -OCCASIONAl,.FRAGMENTARY ALLUVIAL DEPOSITS IN FLOODPLAIN. SINGLE.-CHANNEL RIVER PATTERN FIGURE E.2.2.a'. ',1 ,1 .1 ] I J 1 I ~l 'j J ] I ,1 I I I ] ] BIY-ER MI.LE J 24,4 SPLIT-'CHANNEL RIVER PATTERN SPLIT CHANNEL: "="-MArN"'C-H'ANN'EL'""B"E"HAVES""'sIM"I[~AR Tcf"slNGLlt"'cHAN'frE["ATlcrw""Fl:0W:-"---""-'''~"....__.,.__._.,.,._._._"._"',w_.,, -SIDE CHANNELS PROVIDE FLOOD RELIEF AT HIGH FLOWS (GREATER THAN 20,000 CFS),' -ISLANDS WELL ESTABLISHED WITH VEGETATION, -GRAVEL/COBBLE BED MATERIAL, -MEAN ANNUAL FLOOD CORRELATES WITH BANKFULL FLOW. -CHANNELS ARE MODERATELY STABLE. ·SOUACE:IHHA 1982d CHULITNA RIVER NEAR CONFLUENCE WITH SUSITNA RIVER BRAIDED CHANNEL: -FLOODPLAIN IS VERY WIDE AND SHALLOW EVEN AT FLOOD FLOW. -MULTIPLE AND INTERLACING CHANNELS IN UNVEGETATED GRAVEL FLOODPLAIN -MOVE LARGE QUANTITIES OF BED MATERIAL DURING FLOWS GREATER THAN BANKFULL . -RESULTS FROM COMBINATION OF HIGH RATES OF BEDLOAD TRANSPORT,LOW CHANNEL.STABILITY,HIGH SEDIMENT SUPPLY,HIGH GRADIENTS AND LOW UPSTREAM FLOW REGULATION •. BRAIOEO-cHANNEL RIVER PATTERN SOURCE:RaM 1982d FIGURE E.2.2 •.4 MULTI-CHANNEL (DELTA ISLANDS): ..........-VERY·BROAD FL:OODPLAIN-W1TH-L:ITTL:E-L:ATERAL:-CONTROL • ...-----~-~"""r,UJl:'TIPl:E-CH~NNEL:S-COI\ISIST-OFAMnCOF-SRAI·t)lWt·ffl(IT·CHANNEL AND SINGLE CHANNELS WrrHIN FLOODPLAIN. f .... -RELATIVELY UNSTABLE,SUBJECT TO MAJOR LOCAL CHANGES DURING SINGLE FLOOD EVENTS. -LARGE AMOUNT OFFlNE SUSPENDED SEDIMENT HEL.PS STABILIZE BANKSi DENSE VEGETATION EFFECTiVE:IN TRAPPING SEDIMENT. -BED MATERIAL CONSISTS OF GRAVEL/SAND WITH POCKETS OF SILT. MULTI-CHANNEL RIVER PATTERN SOURCE'II a M /982 d fiGURE E.2.2.5 "] J ] ] ] J :l ] :1 ') ) I ,) j I , I ) URX 107 , I 1550 1450 1500 1250 1200 I-------I-------l-------l------l------+-----I-----+------l-------+-----l---,-----1------+-----1--------1 t 1 1400 f1 I-w W lL. z 1350 0 !;i>W -Iw 1300 U lJ I.URX =UPPER RIVER CROSS SECTION (ABOVE DEVIL CANYON ).DEADMAN CREEK TO DEVIL CREEK SUSITNA RIVER THALWEG 186 188 ::.::: IJJ IJJa::u ~ « ::E Cl« IJJ Cl 184182180178176174 RIVER MILE 172170168166164 NOTES: 162 ::.:::wwa::u ==> W Cl 1150 160 I \ I_J SOURCE:RaM 1982h FIGURE E.2.2;6 1-:' ] 'J 1 J 1 .J ';:[""'1.- J ,1 1 ] j j I 1 1 j 1 1 NOTES: J.WATER SURFACE PROFILES BASED ON PRELIMINARY DATA. 130 132 134 136 138 140 142 144 146 148 150 152 154 z o:>::wz zo::RI VER MI LE :>::z «...JW<!lO «W W 0::1:OW«-->W >-<!l 0::<!l I-0_0::0::ZO::Z W U ~u «:r:(f)u (f) <!l ...J«:>I- SUSITNA RIVER THALWEG AND WATER SURFACE PROFILES 0::W 0 0a.. DEVIL CANYON TO RM 126 128 .... /-' /'~.... / // (/,/~LRX68 ~//.. ",,/V / WATER SURFACE PROFILE FOR ~/~100YR,FLOOD .::.> /""V/ ../V V WATER SURFACE PROFI LE FOR ~~THALWEG PROFILEPROBABLEMAXIMUMFLOOD".r-- 1),/,..-_...'/ ~/~~ /0//"'"~~....y /~~..........-......,.....-/...../ ~................~L~X 35 ~~k:: 550 126 650 600 950 700 (BELOW DEVIL CANYON). 1 900 1 1,I 850 [I \ I I] 800 I- W W LL Z 0 750i= «>W ...J W SOURCE:RaM 1982h FIGURE E.2.2.7 I I. ~~~ ~~~ ---~.--/~~ ~~....1,.;- ./V WATER SURFACE PROFILE ~v-FOR 100 YR FLOOD'~~ ~~1..---"'-"'-~~.... --:.~v-y~V-I [,...........~.~LRX 24 WATER SURFACE PROFILE FOR ~~~ROFILEPROBABLEMAXIMUMFLOOD- ~-=------~ ~..~-V -LRX 11 i-------....~~.... ~~....".--------c ~.,-...................------".... v~~~--I ~?~.... -----/-----.......~=-----.......LRX 9 f ( LRX 3 126124122 >-0::: 0::: :::J U 120118116114112 RIVER MILE 110108 w (f) <t:r: U 106 SUSITNA RIVER THALWEG AND WATER SURFACE PROFILES 104102100 NOTES: I.WATER SURFACE PROFILES BASED ON PRELIMINARY DATA. 2.LRX =LOWER RIVER CROSS SECTION (BELOW DEVI L CANYON). <twzu I-z:::::;w :::J:::J:r:-I ul.L.,z <to ZU t: (f) :::J (f) 350 300 98 400 I-500w W l.L. Z 0 Ei>W-I 450w 650 II IlI)600 11I) f ] i 550I u SOURCE:RBM 1982h FIGURE E.2.2.8 ,! ) 1 l~__T-~\~l.~--,\......0______-<:;'"~~ 5001 I I I I I I I I I I II I I I~O110 r 1009080 PARKS HIGHWAY BRIDGE (SUNSHINE) , 60 10 .,RIVER MII-E .. 504030 ~ASHWITNA CREEK I CONFLUENCE i • I I I I I I I i I .~~r:,.,~---+---~f-----4----+--.,.,.--1--~ tOVJc:J SUSITNA -YENTNA RIVER CONFLUENCE 400 ..... I;j I.lJ~z I ,2 300'i ~::> I.lJ ...J I.lJ 200 100 I 10 20 SUSITNA RIVER THALWEG PROFILE SUNSHINE TO COOK INLET i I SOURCE'RaM 198U FIGURE E.2.2.9 i' 5000400020003000 DISTANCE.(FEET) '1; 1000o -... &a.I &a.I"-.... z 0 5 '1.. >&a.I iii &a.IU~_.....,~------" 0: ::) (J) 0: &a.I ~ ~ 0 I I 600 I I W n.,c A ••A I ... ::) CL :E 0u fiGURE £.2.2.10 ..........:---.....~ ----~~,:;;.---~';"--;,-------..-.-..-~--------------'-~:.....--.~~~."_._-'.---- CROSS -SECTION NUMBER 32 NEAR SHERMAN (RIVER MILE 129.7) ~_-c .......~-~~ .___,,__~~__• I '1:" NOTES: Q:;FLOW (CFS) (e)-=ESTIMATED S()URCfi:.:!!!.l18.a ~~ .------_.-: I .~'I ' I I I I I I I ':"! .~-_."~.-(\J I-iZ .;:wo •w ~O,g a:..~::::>~I "'"(.!) ~I ~ii: l-I -(o :I O....JI ~~III L>I -~I 00 •~i:'"J.--,<:;;1f · I-J - 00 '"~. 0c:"...... I ~CO ~/w~-..Jo:-I 0,p.~~... ~a: \w~->~0 1\O,g..-I--...I-a: l>·I.b .-·l-e:(a:I-- 00 I.b WWZ>I-,............J 0 -~:E -a:.-.....:0 0 a:o .a:w w.'-o~.I.b 3:.~C/) I-W C/)'O~l Q.Z C/)..J~-<C(0 z~\00 •I-a:-0 ...(/) "-l\-0Q ~-a: 1\w~'1 °O~>t ~I -,p -I ----:a:I j OJ-(-e:( Z 00 I-...""-I)CI) I~::>-..-C/).>00'......& 00;;;;;;~C-- C p::... °OJ i I-~-:I "~J ~ ....00 -.....06"-$I 0,p .$'0 -$I .O,gi:'", I ~I .,;:.I~I :"'<;"I ....""I ;<;"I ',"<;"I i:'" 1SW '~:I 'NOI~V 1\313 I-' ;i J!. " i I I DEVIL CANYON :@.; :'z' .,..~..' PLAN INDEX MAP. 5VS/7NAR/VER··. ,.. SUSITNA ~. -.~........-"~''~~_r \.......-.:.....-' ./ -:~--~'"--~---~'---~~_.--'~~~.-:-/- ~ FIGURE E.2.2.12 ~. u i· J . LEGEND: +RIVER MILE t--==-t LRX CROSS SECTION -100 YEAR FLOOD PLAIN -BOUNDARY THERMALLY INDUCED OPEN LEAD BERM STAFF GAGE SITE SUSITNA RIVER PLAN RM 152 TO RM 145 ] ] ] j 1 j I l --J l j ) I 1 ,I J I J I I: j: -, I I j. I Ii \ I I \ I L, u o. j •••. NOTE·.FOR LEGEND SEE FIGURE E.2.2J3 . SUSITNA RIVER PLAN RM 145 TO RM 139 FIGURE E.2.2.14 ( \ I j I , ·'1 ,, ] J J ] ] ) I \ l j 1 I j I 1 ,] I ] J [1 I i J NOTE:FOR LEGEND SEE FIGURE E.2.2.13 SUSITNA RIVER PLAN RM 138 TO RM 132 FIGURE E.2.2.15 ] .] 1 ] j .j :-J j ] J I ] J 1 J ] l 1 I 1II ( 1 u i ] lJ I Il..._ LJ NOTE:FOR LEGEND SEE FIGURE E .2.2.1 SUSITNA RIVER PLAN RM 131 TO RM 125 FIGURE E.2.2.16 .1 .f ) " 1 ,1 :I ,1 ,l ,I u .NOTE:FOR LEGEND SEE FIGURE E.2.2.13 SUSITNA RIVER PLAN RM 124 TO RM 118 FIGURE E.2.2.17 ] j j 1 .j I 1 ] _J ] I 1 .j .~__y----=-=-======--==--~.-l 1 I } i I :] r I.-------~.I I i i i I NOTE:FOR LEGEND SEE FIGURE E.2.2.13 SUSJTNA RIVER PLAN RM 117 TO RM III FIGURE E.2.2.18 ;] ") : I \1 j ) 1 .j l ] ') [] I .J rJ u OTE'FOR LEGEND SEE FIGU SUSITNA RIVER PLAN RM 110 TO RM 104 FIGURE E.2.2.19 ;l ;j "j ,} i J I "J I -j j 1 1 1 ] .1 J I 1 ,1 I 1 r 1I I I.j u NOTE:FOR LEGEND SEE FIGURE E.2.2.13 SUSITNA 111VER PLAN RM 103 TO RM 101 FIGURE E.2.2.20----.-......_--------------------...11 I-, ! I 1 1 ] -j .1 ] --j. j j .] ] ] 1 ] ] 1 ] j ] 1··1 I J 11 U r-1 LJ I I IJ II I .I IJ .~. NOTE:FOR LEGEND SEE FIGURE E.2.2.13· SUSITNA RIVER PLAN RM 100 TO RM 97 • FIGURE E.2.2..21 ·_---,-----_._._-------.__---------- ] .j '----~,) o 1000t, FEET / ~ .,4f.. ~~.. +t-~..:-'"/.. c,'f , .LEGE".,: +aa 'Itt".,II".• .-..- LftX;ft'''.'Cr •••••••,.111 •..~,.,--'C'"_ - -_;__'_••~: £:D i • ' •n C8,IQ ftl".,~,e:h"!,'~l.::' ~•. ~'¥~+",r ..... •.•,14;,.~. •.:t .SUSITNA HYDROELECTRIC PROJECT'· ,MAIN RIVEA CHANNEL NEAR ~IV,ER CROSS SECTION LRX 4" BED STABILITY ANALYSIS SITES FIGURE E.2.2.22 .\.. ":~••N~ +10.IIh'.',lIlIe.';''". 'LIII fl.".,Cr•••••••••"a '.....Ull~Rlir.'·c....."., o 1000,, FEET j' i' i. ,r f j -', -'-1 ... ~~-: ,;:i . jSUSITNAHYDROELECTRIC PROJECT 1 .'!"'. ,MAIN CHANNEL B~TW.EEN RIV.ER CR'OSS SECTIONS LRX12 AND LRX 13 BED,ST ABIL.ITY ANALYSIS SITES -.-.,- '~,l -:---"-'-....-...---..,---, I fiGURE E.2.2.23 '~--'---.-J-'-.---' ~...•.. o "5 •...... va " '4.".";,..~""";4i'#'!iii{twJ;;W>""";;"';;Jw·,,,;,'"';~';·';;";W""""';"'"""'~:;';""'~#"'''''Xii$ ___SUSI1rNA RIVER a 1000 I I fEET SUSITNA HYDROELECTRIC PROJECT MAIN CHANNEL UPSTREAM FROM LANE CREEK BED STABILITY ANALYSIS SITES fiGURE E.2.2.24 -c.- y """~~~;""""'""'~-""""""'t"""I"~"~'"~ FEET . " o 150 .1 , FEET / , .""0"JfI."""""~'"""".lot'./0.C':':\:".."-4."... """"""""""""""""""""""''''''''''''''''''''''"""""",,,,,,-"""~,,,~,",,,,,""",-,',!, i j SUSITNA HYDROELECTRIC PROJECT•! MAIN CHANNEL NEAR AND UPSTREAM FROM 4th OF JULY CREEK· ,:BED 8T AiBILITY ANALYSIS SITES .. --_. FIGURE E.2.2.25 CO W....-CO CO-CO>... <Z< >....-...J-CD<,.... CO Cwm co.. C Z< Q)• CO ZO· i= (Jw (/) o COoa: (J a:w>-a: zww 3:..... w CD... W Z Z<% (J Z-< :i .... (J W.., oa:a. (J-a:.... (J W ...J Woa: c'>%, <Z·....-.W ::) CO 'iiiiiiii;:. "i\;;' j I ·11 HEAD OF SLOUGH AT STATION 62.27 NOTE:WATER SURFACE PROFILE IS REPRESENTATIVE OF AUGUST 24,1982 CONDITIONS,MAIN STEM DISCHARGE AT GOLD CREEK 12,500 CFS,SLOUGH DISCHARGE 3 CFS. f"t lta\ E.,,1l::\8.6 "E.~c:,'/t G"~{)\ DISTANCE (FEET) SLOUGH 9 GRAOIENT •i&.6 fT Ita' REACH N / &90 ~..:,-oo.~:;: ..."••"•••"•••!.}......'.:o:~:ci:.:q·~~~~~·.'~d~'.:f?.;"':··.;:..·:1!O··!··o.( • .....!~:O:,.........,...:.:..p'"0'.~'".;....:...::0:'"_........,'".•......~~D .....'-J"•.R. •..A.....•••••,....•......-....0·••0 .....·····_..· '..·0".,...,.........,..'... ....,.'..,-"-"" .,".:..•.,.".:'. '".,.,:•.:.;..'..'...•....wlJ:",,,-,,.,,0 ..~:~:.00.:•.:".•.!C. '".!:.'.;";'.'i:"......I :••..•;,.,,;;:,:'•.••.':.~.:.•:.":.:.,..•';S/'jEj,o...,.;o~~:.::O···:~:·O:.:~O·'i·~:q::O:G.t)~:O·C·'. .•."..'.'.'.•.•.....•..,, '•~J;:i"-I)"~••....,...,••••'.0:.·0··'·<:>···0'eo" 1586 ,::•••.;'.t.:.:.:•.?;'=•.<,:..MOOT'H':.Jf,...:~..:.;.~.;.~'.•':~:,.:.:.:~:_:.,,·::'i.i:·.:i::;·.··..::".~.~.•...,r;i.t:":<;.··c?·:·6·::"..O···~:~··..::;~.:t'.q'~;'...'.....•.'T.......•.,....>oJ".-10 ..00 '..eO.f.'.~......•1'••1 ,.LOUGH :,:_.!.••.•...~.•.•,,;.;~I:.•.•!>,•••...:f?~.II-i..•.•Qa:..t:l~~~·'--~D····;.:0:o .•....Q·.b:....'.',"_.......••••,.-l'V .........T'......'0---'......'''4','.'••" -u..oo o...,'t ;E6"'.",;,.:--,.;:..:...,..-o~w:.~r;.:,...:,.:.:q·o~·d:··I.C -',':':0",',.:".:.,•••'1":'0'"•••••IItOO",••:•",'.0"""_••:.....:.....,.......:.""".,..-....,~."..'.....••••:..r ..n·..t,,(..•'0'~R '.00 _,,,.:::...~'::f~~~-l>..~:!(:O~·..~~q"~-0.~!?l;i:;;~!O +.'11 .,u,··.~·...1~~E4R MILE --'.~'h~.•"o-.';.~d':-:':·O:,,"'J'·~ti'·~I;',.> 1 G LT a SAND.•..•.,.....1\-.,w .....·.·...0.'~.RAVEL[._o:n?b:.~;:m 8 RUBBLE•_"• .COBBLE a BO ULDER 610 6015 i=~600 II...... Zo fi~&9& ..J 1&1 SLOUGH 91 THALWEG PROFILE •IFIGUR,E 1E:2._~~~!.. ..:.J...!.-._ ,'--- .> .''i'" ;.. ., AUG.I WATER ,SURFACE ELEVATION (MAINSTEp,;I)ISCHARGE 26.400 CFS) LEFT BANK 595 600 585.I ,I I I I I I I iii i605•iii IZ!O· !~!~ iii !iii 590 NOTES I I.CROSS'SE~ION #128.8S3 APPROXIMATELY 2400 FEET UPS REAM OF SLOUGH MOUTH. 2.CROSS SE TION REPRESENTS VIEW LOOKING DOWNSTRE M.. 3.MAINSTREA DISCHARGE MEASURED AT GOLD CRE K. 580 -30 o 30 6090 DISTANCE (FEET) SLOUGH 9 CROSS SECTION 120 150 180 FIGURE E.2.2.28 } I if \ j 1 J I ! .j j I .\ ! 1 1 I 1 1 88 ...----,.--,-,-I-nll-r-I-r--I-rr-II-r-1"i111Irrlllllll-lrllllll-1111,,--TI-jlllil--'-I-Tlllil-TI-Tlllil-TI-,Ir I I-LEGEND: I I I I I I I I I I - 80 r--- CANTWELL FLOW WATANA FLOW GOLD CREEK FLOW - - I-72L-----,------H---~-------I_ - - - - --. if\ - - ! -, \..: I - ....~••••"""~1'1" .......""""',..l.." .•.•..''.\J"',-. .....a.",~.......---:.":'...... ,LI ,'"·~··l·,·····:L "","":"r"l'.....i I DECEMBER I ,I II"" I I, I MONTH I 1111111=" ....'... \:;.\~l 11 I p,.'I \,\ ~I \,~ I '\I "I f I;·.\lI\ If\~",1:\::\f\II.~II • -'j' UII I IIPRII I MARCH .J FEBRUARY I JANUARY a 64 I- 56 ~I- 00 lL. U o 48 0 Q- IJ.J I- (9 0:: <t ~40 00 a r-- 32 r- 24 I- 16 I- 8 I- [J II IJ I II NOTE: TIME SCALE IS IN INCREMENTS OF 10 DAYS. 1964 NATURAL FLOWS CANTWELL,WATANA AND GOLD CREEK FIGURE E.2.2.29 1 '] ] ] ] oj, ] .J ) ] ) __~~_~~_,l 1 J oJ ] OJ J - - - - - - - - - - I. I I .F IGURE E~2.2.30 I I I I I IVy ............." I I I I \J\"IVD~n I I IIIII I I MAXIMUM INSTANTANEOUS PEAK FLOW OF 80,200 cfs Ii \ I \ I , I I I III I I IIII ~\",=\,.::;",.. : :'",!.:".\~,WP ::~:/......~.:V'•\\ ' ,..:)1 :.....:'":".\...........-f.' I:\.'....I ::"....'" II I IIIII 1967 NATURAL FLOWS CANTWELL 1 WATANA AND GOLD CREEK IT r IT MAt(\,M At"KI L .MAl ,",um::..JUl.,AU\:JU::l1 ;)l:.t'Il:.MDl:.I'I MONTH j /~~'~.. I :......:"_ ..................-/r"....':::::-:-::.-s::;:-~:::::-::=-=::::-::::-==--_-_ I ..-:....;I II I II I II I I I 1 I,I ··,··T ..r··..·i':':"·"':":'·Y·":'f I---:-I--~1--:'.....--:-1---:----1-----r---,..--,.III-..,...--r=:::':-::.':'::-:.":":1J:~I.:r.···I !I I I I NOTE: TIME SCALE IS IN INCREMENTS OF 10 DAYS. ~/\~A Hpi ~r\~",.\ ;_V 1 ,.•]\\I A l:\'t\\ /../\!'.I :'~\"oJ't\.~1"\U.n ,::\,~~~~~~~~~~~~~~~~~~~~~~~~~~~(~~\fln!\~,!hf~-.I V \WI;~:\/\\I,J ~\\i \ " I 'Vi.\,:'.. \:.::\}\"'/:~\I \::,:.'../~".\J::::":\ ::,~I .......:.!/..•••~.,I A A.I • :.,:.I .:./"\ ::.::Y i "oo..::,\,-:·.i ::.."":.~:-sf \:.. I::::::.\/....J :'".:".!:.'.\I:':\ o 88 .I I 'I I I I I I ...-LEGEND: ..........CANTWELL FLOW 80 - ---WATANA FLOWI--- GOLD CREEK FLOW - 72 '- 64 - 56 '-u; lI.. U §48 -!-- lJJ <.!) 0: <t 40:J: U (f) 0 ...- 32 \ ...- 24 1-. 16 f- 8 '- I n [1 [1 11 11 [J [I \.- lJ I I I I I I I ~-~----- I ] 11 [1 I I 11 II I I D --..--~-.....---r---'-""""'--'---.----n-r-'-TrI-r-TT--'-'~r'---'--TTIII'lr-r-'-ITI-rl-rll""Jr-..,'-I'-lr'"T'-TI-T'18811I I ,I 1 I 1 I I'I I I','I IJIIIII .I'I I II I I 'I 'I - - - - - - - I .1 M'"....... - - - NOTE; TIME SCALE IS IN INCREMENTS OF 10 DAYS. MONTH 1970 NATURAL FLOWS CANTWELL,WATANA AND GOLD CREEK FIGURE E.2.2.31 ] i ] J ] I 1 ] 1 1 1 I I ! ] 1 I 1 1 -.'---_._.-'..-,---------------------.- I ~_._.._....~---,,I --'._. ,.I THREE PARAMETER LOG'NORMAL DISTRIBUTION WITH 95 %CONFIDENCE ,-,M,TS PARAM ETERS ESTIMATED BY MAXIMUM LIKELIHOOD . " 100 90 80, ....'.'J~ /,70 , V ./60' .//V50~-,::--"..V /'.~. ;; ~40 .),~ i //, (,)~.0 , :0 /\0 I··'::;./l.lJ ~30 ",~/<l::x::~(,); /en ~a ...~~, 20 ~......- ~~...-...~ i ....-- ., A A--', !!"".'V, A ! 10 1.00~\.05 1.25 ,2 5 \0 20 50 100 200 500 . LE GEND: RECURRENCE INTERVAL(YEARS) ,••OBSERVED DATA 0 ESTIMATED DATA•95%CONFIDENCE LIMITS ANNUAL FLOOD FREQUENCY CURVE SUSITNA RIVER NEAR DENALI ~I .' , SpURCE'ReM 1981'FIGUREE.2.2.32 ..<....,.•'c ..•., o ;!~, i !i l/I i i I I";-:;;7 ~~ ", I /......~;~I i .V ~,I ...,~~,,I '), I I'~~I'".. C-,./I .....I ~;~...-----I','.-""--", ,~I ,~~ I '~I'~, tL..-------'LV ~...'. I .~I~ V l"'"I.~ I " ,, :>05 1.05 1.25 2! RECURRE LEGEND ..OBSERVED DATA o ESTIMATED DATA' 10 20, 60 I ;I I ;'.TMREE PARAMETER LOG:,NORMAL DISTRII3UTION"WITH 95%CONfiDENCE LIMITS PARAMETERS ESTIMATED BY MAXIMUM UIKELIHOOD ,',,!. 100 I 90 80 70 50 (I) IL; u 40ooo IIJ CD 300::' ct::cu (I) Q ~NUAL FLOODI FREQUENCY CURVE I iSUSITNA RIVE~NEAR CAN,TWELL .fl. ~_\f:.'l.:.~~ •95%CONFIDENCE ,LIMITS -'----,.~. ~.....---'-~---~-'--'.~~ ~:.,,q',.: fIGURE E.2.2.33-~ '..~."..,. ~--~----_..- .--~- ----~.~---._~---.'~_._.__•__~..,1 ~-----------~--...............~---',---.-. THREE ~RAMETER LOG NORMAL DISTRIBUTION WITH 95 %CONFIDENCE LI MITS PARAME ERS ESTIMATED BY MAXIMUM LIKELIHOOD 100 ~8 l8 /' 50 ./ /'40 /V 30 //'l/20.....V"~(IJ II../V0 8 ~0 ~.:::;10 w ~~A ...... (!)9 0::8 .------:i 7 .--..-~ ~6 ~..~ is A A ........~5 4 3 2 I 1.005 1.05 J.25 2 5 10 20 50 100 ZOO 500 LEG RECURRENCE INTERVAL (YEARS) END: .A.~BSERVED DATA 0 ~STIMATED DATA•~5%CONFIDENCE LIMITS ANNUAL FlOOD FREQUENCY CURVE MACLAREN RIVER NEAR PAXSON SOURCE:RaM 1!~81 •FIGURE E.2.2.34 -- 50020010050201052 RECURRENCE INTERVAL (YEARS) ANNUAL FLOOD I FREQUENCY CURVEII..•i ICrULITNA RIVE:R NEAR TALKEETNA 1.2l? i ! L , -i l.-I :-.--- I I I - I [ I -I . -[ ! T I L- I - -I j T I .., I ./V ~ - L ~L/ ! ---l. -I - ~...". -I i !~l~ ~-'"- ...~--'iIoo"'" !! -I--- ... , "- 6 ,6 6 6 A • 6 6':::..-.6.'"'6 I 6 .1 • :l:- I T ,, Ii I , - I - - -I ! 1 I I l~-I II- I I I-J I I - I-I! I I I I I .1 1 I I --l ,I THREE PARAMETER LOG NORMAL DISTRIBUTION ,WITH 95 %CONFIDENCE LIMITS PARAMETERS ESTIMATED BY MAXIMUM L1KE~IHPOD I I 20 LEGEND: ..OBSERVED DATA o ESTIMATED DATA •95%CONFIDENCE LIMITS 10 1.005 1.05 80 50 70 60 100 90 UJ C)30~:x: ~ Q ~40o § SOURCE I RaM 1981 f FIGURE E.2~2.3!t ~I --:------'~--- _.__._~"--- 1[---=-._------------ '--"----...............~.---~------...............-~----'_._.._~-"---"'--..'-'- THREE PAl AMETER LOG NORMAL DISTRIBUTION WITH 95 %CONFIDENCE LIMIT.S PARAMETI RS ESTIMATED BY MAXIMUM LIKELIHOOD 100890 800 700 600 500 400 ~ /' 300 /..,A (i)200 VIa. :/0 - 8 l/0 W 100 ..,A (l)./'"..,A ~ ~90 ..".J' :c 98 ---0 ./'A •~en 0 60 ~~~50 ~~.--4 ,....- 40 ~.~~,..---to- ~.--4 30 ~A ~---- 20 6 ?"""" 10 ', 1.005 1.05 1.25 2 5 10 20 50 iOO 200 500 RECURRENCE INTERVAL (YEARS) LEG NO:...(BSERVED DATA o ESTIMATED DATA ..'.~5 %CONFIDENCE LIMITS ANNUAL FLOOD FREQUENCY CURVE TALKEETNA RIVER NEAR TALKEETNA SOURCE I RaM 19BI f FIGURE·E:2.2.36 500200.1005020105 LIMITS 2 RECURRENCEINTE~VAL (YEARS) 1.25 i I I ~NNUAL FLOOD/FREQUENCY CURVEI I ! SKWENTNARIVEiR NEAR SKWENTNA I i'i C 1 -. I I I , ~ i !1 I I .. - I I ---l--! -I I I I I I ! I r··- -I 1 I i ] I I .., T i -' I--- I ""1" I -/D- .,1, I 1./ i - 1- ~ L-_ I r J---:d ~-if - -L~~ 1 ·1 ..----- - ~ I- A - - I -,'.. - -,A"A --.J I ..I -'-A -.A A . ~1 . -.,..-L •• - -,- I _J ..-I ~I II -I I I _I I I II , -_I I I L I I _J I I I -.J I I .-J10 1.005 1.05 LEGEND: ...OBSERVED DATA o ESTIMATED DATA •95 %CONFIDENCE LIMITS 20 80 50 70 60 THREE PARAMETER LOG NORMAL DISTRIBUTIO!N ~ITH 95 %CONFIDENCJ PARAMETERS ESTIMATED BY MAXIMUM LIKELIHOOD ! I i I 100 I . 90 u;40~ ~ .w~30 <I:::z:o (J) :0 SOURC.E'RaM 1~81f FIGURE E.2.2.37; 0....------'.1'-. rr:=~,'---,-------, i-----.J 2 5 10 25 50 100 RECURRENCE INTERVAL (VEARS) I ',-'.... I I ..., ......../ "-./1""" ~V N~TURA OO~DITI PNS "......~ v\nnU ~Itjel ileSI".'1\~"'"STAGI d •rly STJ GE ~<; /t.n 81 ~"~~_-l --IJ--.....~.i"-~ ~~.., ~....-~lII'"i ~~LATE f TAGI m ~•'/~~•V -.20,000 200,000 ,100,000 90,000 (J)80,000 LL 70,0000 u1 60,000 CJa:I 50,000 C(' J: 0 I 40,000 (J) is 30,000 ,SUSITNA HYOROELECTRIC PROJECT' FLOOD FREQUENCY CURVE SUSITNA RIVER AT GOLD CREEK MAXIMUM OF ANNUAL AND JULY S'EPTEMBER SERIES -FIGURE E.2.2.38 25 50 100105 5 10 25 50,100 RECURRENCE INTERVAL (VEARS) 2 2 I I ! i I !I i I I I I I'SUSITNA HYDROELECTRIC PROJECT I I FLOOD FR~QUENCY CURVE, FORi INTERVENING ~REA BETWEEN CANTWELLj -•~ I AND GOLD CREEKi I ANNUAL SERIES!' 'I ERIOD:1961-72.198 .;1982 ,,I I i : !!I I i "I ') V / I' I /I I iI ~ I ,>'•/ i ,../ I !?,-t4A1~AL CONDITIO,,;r .~I ' , • V· ./:/.; Y '"I " ;, I ','i ; ! , I 5,000 "";ir flGf --,'E.2.~, L-~_.L-__'L-__,I \_..._----1 2 10 "25 50 100 I I I I I I I I 250,000 I I I I.I I I I I-300,000 I I I I I I I I 400.000 I'I I ., I I .1'500.000 -+----+-T-~~~-_t_~....__+_--=>4........--+_-t__---t_200.000 +---+-=......or:::;;;,--+:::=I!~:;;.r---:o>Ii---t----t----+-150.000 100.000 .'.~.!._.',.,'."100.000 90.000 _at,"~'-li"'.·.90.000 80.000 .,..~.80.000 70.000 70.000 60.000 60.000 500,000 ,400.000 0)300,000II.u .&&1"250,000 CJ £r<200.000:r: U 0) Q 150,000 50.000 'I I I I I I '50.000 2 5 10 25 50 100 RECURRENCE ·INTERVAL (YEARS),. SUSITNA HYDROELECTRIC PROJECT FLOOD PEAK FREQUENCY CURVES FOR NATURAL '\AND WITH-PROJECT CONDITIONS AT SUNSHINE, MA:XIMUM OF ANNUAL AND",JULY7""SEPTEMBER.SERIES FIGURE E.2.2.40 IIII !. iPERIOD1975-82 5 10 25 50 1001.05 L25 2 i- t- - f- - i- · · l-I·I I l-Ii 'STAGES land II and"'",Iy STAGE III~·I i ,.•"I'ar ,'\.---::::Ii " ~ ;I I\.I •.---'..1 ~NATiliRA~.~'~late .,IAGEm ,j I i __ ~..' ..!,~I -i ,f- I- !-...- f-- I ! 1,000,000 100.000 50,000 1.05 1.25 2 5 10 25 50 100 ,000,000 500,000 400,000 300,000 250,000 200.000 150.000 100,000 50,000 .RECURRENCE INTERVAL (YEARS) fiGURE,.E.2.2.AL ~--.~-'-----:,-~.----~-~,'-'-'--'--------...'---.,; I I i SUSITNA HYDROELECTRIC PROJECT I I'FLOOD FRE~UENCV CURVES AT SUSlfNA STATION MAXIMUM OF ANNUAL AND JULV-SEPTEMBER SERIESI" -.,.-.-----:--I.\....-:\j ~' '--~--'----L--L---e '-'t~~~-'~~.------- I 100 90 iPEiAK 89,500 cfsi, j 1 6.0AY'VOLUME 1,43X10f.i ACRE-FE'ET; I \.. .80 ~ J .....l.--"~\10,-......?\ (I)I....I-~o ·eo II \I \0 0 I)"-II ....... 0 i 1-0."-!' .,;.i 10 ...."'1/1\..~~ w (!J V -l-f'., a:~40 1"-0. <'"..~II'~i'--::c ~.l-I- 0 ~......r-..~-I- !30 r....L.--i'-- Q .. 20 10 " 0 ~;;1 2 3 4 ,6 6 7 8,9::10 1 t '12 13 14,,15., TIME~DAVS 5Q-YEAR ANNUAL MAXIMUM FLOOD HYDROGRAPH AT WATANA FIGURE E.2.2.42 10·:·....0 I I I I! t "tif,0 'I I I I - '8Q++-+-H, - ·70 I I I II II I I I I I I A IllJlt\ 11111illlll.111 ~ Irl-r 111-r 1rTi If I I r'l iN I VI I I I'Ii II I I I I 1\ ','80 I Vf "'L-o IX"',fI)'-)1"'I II'I I&~~~I I I I (,)I......j I ....'i'II o 'GO ~......I I 1\g I I:to-I II I .\p.•. 1 .Ii V '''":""-,,."1\-,1\T 1\""1 _;.40,u.-I i I'-Jw,...,~,''"II ".........01(:r-r-...II L.,L I-L I I 3:1-.'I'"~'I T T'l-- (,),,:'.......1.;'o Ia~, 20 I 1 I Ii I I 1.1 1·1 I I I 1 I I!1'1 1 I I 1.1 I I 1•.1 I I 1 I 1 I I I I I I I I I I I I I I 1 I I I I I I I I 1 I I 1 1 I I 10.,1tttttttttnm=1+m+t++-t-H++t-++tH+rtt1itttiitt1ittmnrnTI I, 15'1.4"3,121'1110 1 8, ·0 1·I I Ii I I I .!_J,I I ~..I .I I 'ri;I ! I J,I I I '..'.•,I I I I I J I I I I I I'I I I I I I I I I I I I I ,I I I J I I I I 0,1 ·2.3''14 '5 .8~I 1·8 I :,TIME,DAYS·I !'.,"i 50-Y~A~··ANNUALI ~AXUMUM F~PQD HYDROGRAPH AT.DeVIL ,CANY~N FIGURE E.2.2.43- ~,~~ 1 \ '~",-'-.r--.."\ ............\\0. 4 1--+-:--=P--J.....-:+--+---I---+r--::="k+--1'-....-.......... M~Y 10 2 '1o1020304050 60 70 80'90 100 %OF TIME DISCHARGE EQUALLED OR EXCEEDED 10:~~l~~E~~~~l~~ 4 f----+--I--t---i=T---+---t-t----- 2 I--+--+---I-+--U 10:l::"~~~a~~~~~E6rs....._ 10 4 ..:.8U)6u."(.)..., 4 I>J (!) 0:: <l:2:J: (.) U) 2i 10 3 8 6 4 2 -U) "u. (.)-..., I"~I>J \(!) 0:: <l:>.......:J: (.) 1"- U) i5 --2 1---+--1---1--+--1---11"--.".. '-r-.__.'-- 2 1--+--+-1--+--+'~.::::.."..~+-.-l---I--I ......-....-'-AP~ll .~ 10 2 0 10 20 30 40 50 60 70 80 90 100 %OF TIME DISCHARGE EQUALLED OR EXCEEDED U)u. (.) ---. 2 I--+--+---I--f-"'-=l--.....l:-+--+---I---I--~.... 2 IMA~CHI -..." 10 0 10 20 30 40 50 60 70 80 90 100 %OF TIME DISCHARGE EQUALLED OR EXCEEDED 41---+--1---1--1+--1---1--+--1---1--1 '-~-21---+--+--I,--+--F..........::::---+--I---I--I...-r--. 2 F~BR~A~Y -r---r-. 10 0 10 20 30 40 50 60 70 80 90 100 %OF TIME DISCHARGE EQUALLED OR EXCEEDED \21--+--+----11--+--+-----11--+--+-----1f---'l --r-.__ 2 I---I--+-I--+--+-P""""::+-I---+ . 2 J~N~ARIY --.............. 10 0 10 20 30 40 50 60 70 80 90 100 %OF TIME DISCHARGE EQUALLED OR EXCEEDED 10 5 "10 5 10 5 105 8 8 8 8 6 6 6 6 .4 4 4 4 I I 2 2 2 2 104 10 4 10 4 104 (j)8 -8 -8 (j)8 u.6 U)6 U)6 6(.)u.u.-.-u. ...,8 (.)(.)I I44...,4 ..., 41\I>J I>J I>J I>J (!) I"- (!)(!)(!)"'-0::0::"-0::0:: <l:2 -<l:2 ~2 <l:2:J:-:J::--......:J:r-.......-I--(.)1'....t--(.)(.)r-(.) U)-U)U)1---U)-2i -.r-2i '......--r--2i 1-....-I--2i -r---103 1-....10 3 103 --10 3 -8 8 8 8 6 -6 6 6 4 1"'-.........4 1"-....4 '-4 "--.-.-....... FIGURE E.2.2.44 GOLD CREEK CANTWELL DENALI 21---+--1---1--+--1---1-+--1---1--1 2 °ICT?BER 10 0 10 20 30 40 50 60 70 80 90 100 %OF TIME DISCHARGE EQUALLED OR EXCEEDED LEGEND: 21--+--+-----1-+--+---1-+--+--+---1 SE1PT M~ER 10 2 0 .10 20 30 40 50 60 70 80 90 100 %OF TIME DISCHARGE EQUALLED 'OR EXCEEDED NOTES; I.FLOW DURATION CURVES BASED ON MEAN DAILY FLOWS. 2.PERIODS OF RECORD: DENALI:MAY 1957-SEP1966, NOV 1968 -SEP 1981 CANTWELL:MAY 1961-SEP1972 MAY 1980-SEP 1981 GOLD CREEK:AUG 1949-SEP 1981 1\ 2 1--+--+---1-+--1--+-+--1--+---1 2 ,UG,UST 10 O'10 20 30 40 50 60 70 80 90 100 %OF TIME DISCHARGE EQUALLED OR EXCEEDED 10i ~El~~EI§~EI§~ 4 2 10 4-8 'U)6u. 8 4 I>J (!) 0:: <l:2:J: (.) U) 2i 10 3 8 .6 4 2 21--+--1---1--+--1---1--+--1---1--1 2 DrCEIMBfR ......... 10 0 10 20 30 40 50 60 70 80 90 100 %OF TIME DISCHARGE EQUALLED OR EXCEEDED 21--+--+----11--+--+-----1-+--+-----1f--1 dUllY 10 2 0 10 20 30 40 50 60 70 80 90 100 %OF TIME DISCHARGE EQUALLED OR EXCEEDED 10:~!~~~!~~~E~~~6~I---+--!-----'--I-+--I---I--I+--I---If--I 41---l--+--I1--+--+----11--+--+----1f--1 -U)u. .(.)..., I>J (!) 0:: <l::J: (.) U) i5 I 21--+--+---1-+--+---1-+--+---1--1 2 N~VE~BfR 10 0 10 20 30 40 50 60 70 80 90 100 %OF TIME DISCHARGE EQUALLED OR EXCEEDED 2 1--+--+-1--+--+-1--+--+-----11---1 dUINE 10 2 0 10 20 30 40 50 60 70 80 90 100 %.OF TI ME DISCHARGE EQUALLED OR EXCEEDED 10~~~~~~!~~~E~3~~ 41--+--+---1-+--+---1-+--+---1--1 -10 4 E~~E~~~E~~~E~~U)8 ~6 ...,4 ""',-+-+--+--+-+--+--+-+--+--+4 I-T-+--+--I~+--+---I-+--+---I--I '\" I>J r--\- ~2 '"-._-I----'"-I--\ \"- :J:r......2 -_'.r-..-..... ~--:--1_I ......"- --r-.-_-I--,'!\I"'.....'r--...... 1086 3 FFl_~~1016:E~~~~;~~~L_~JE~~~~II~~L__~-=--==~M~O~N~T~H~~~,:(~A~N£D~A~N~N~U~A~LS----:--_L•----..--.-.f'\\\AI r"\IICJ\TII'\l\1 I"IIC\/i:'Cl' --'_....I ....-_......._.",.-..--,,,-- 4 I---I-+-+--I---+--=~.......::+,,:.......--f--J 4 1---I-+=lT---...l_::c:-.•+~r---.+----1I--1---f--+-SUS IT NA RIVER NEAR DE NA LI 2 1---I-+-+--I--+---+----1I--1---f-""--1'2 I--+--I---+--l--+---+---I---....-+..'-"od----l .......,SUS ITNA RIV ERN EAR CAN TWELL", 2 ~N~UA~r'\.SUSITNA RIVER AT GOLD CREEK 10 0 10 20 30 40 50 60 70 80 90 100 %OF TIME DISCHARGE EQUALLED OR EXCEEDED IJ i j j l 1 '[ 1 1 I j 'I j ] ,j ) I ) j I ] I J ----~-- 1 ] 1 'I j ] J ·1 .~ ] ] I ] I I ] l 1 ] 10:~l~~~I~~~@~~l~ 41--+--+-+--+---I-+--+-1--+---I 10-~~$~~~!~~~~~~$~ 41--1--+-+--+--+--+--+-1--1--; w CDa:: :i!i 21--I--+~+--+--+--+--+-1--I--; ~........-o 10 2 --........~~~m 4 1--+--+-+--+--+--+--+-1--1----'1- (J)u.--'(')- 10 4 8 6 4 2--.- 10 3 ~8 (J)6u. (,).....,4w CDa:: :i!i 2 (,) (J) 0 10 2 ----8 6 441--+--+-+--+---1-+--+-+--+-.......-""'1 10:EI3~~~~E!~~~~§ 41--+--+-+--+--t--+--+-+--+--t .. 21--+--+-+--+--t-+--+-+--+--t 21---+--+-1---l--+-+--+----Ii---I---I I M~Y 10 0 10 20 30 40 50 60 70 80 90 100 %OF TIME DISCHARGE EQUALLED OR EXCEEDED 10i ~$~~~$~~~1~~$~ 41---1--+-+--+---1-+--+-1---1---1 2 10 3 ' ~8(J)u.6 ......2 ---w 4 --I-.....CD -r---..a::q;:z:2 '\(,) (J) 0 10 2 8 6 4 21---1---+--\---+---1-+--+-1---1---1 I AP~IL 10·0 10 20 30 40 50 60 70 eo 90 100 %OF TIME DISCHARGE EQUALLED OR EXCEEDED 10i ~!~~~!~~~~~~!j 41--+---+--\---1--+-+--+-,-1---1---1 21--I--+-+--+--+-+--+--t--+--; I .IMA~CHI 10 0 10 20 30 40 50 60 70 80 90 100 %OF TIME DISCHARGE EQUALLED OR EXCEEDED 10:~!~~E!~~E!~~~j 4i"'...r--..... 2 ""~ 10 3 ~8 (J)6u. (,)-4w CDa::q;2:z: (,) (J) 0 10 2 8 6 4 21---1--+-+--+----1--1--+-1---1---1 41---1--+-+--+----1--1--+--\---1---1 --........2 I---I--+-+--+----I-+--+-I--"""".........".-l 21---1--+-+--+----1--1--+--\---1---1 I F1BRIUA~Y 10'.0 10 20 30 40 50 60 70 80 90 100 %OF TIME DISCHARGE EQUALLED OR EXCEEDED 10;~!~~E~~~!~~E!~6 ~...... 4 .........--......... -- . I J~N~A~Y 10 0 10 20 30 40 50 60 70 80 90 100 %OF TIME DISCHARGE EQUALLED OR EXCEEDED 10:~!~~E!~~~~~~!~6"'- 4 '- 2 10 3 00 8u.62 w 4 11 CDa::q;2:z: (,) (J) 0 10 2 8 6 4 41--I--+-+--+--t--+--+-1--+---I 21--I--+-+--+--t--+--+-1--I---I • 21---I---+--\---+--+-+--+--ti---+---I OCTC)SE;R 11 I 10 0 10 20 30 40 50 60 70 80 90 100 %OF TIME DISCHARGE EQUALLED OR EXCEEDED NOTES: I.FLOW DURATION CURVES BASED ON MEAN DAILY FLOWS. 2.PERIOD OF RECORD:JUNEI958-SEPTEMBER 1981. 21--+--+-1--+--+-+--+--ti--+--I I SErT M~ER 10 0 10 20 30 40 50 60 70 130 90 100 %OF TIME DISCHARGE EQUALLED QR EXCEEDED FLOW DURATION'CURVES MACLAREN RIVER AT PAXSON MONTHLY.ANn ANNlIlH FIGURE E.2.2.46 21---1--+_1---+--+-1---1--+-+--1 I ~N~UA~ 10 0 10 20 30 40 50 60 70 80 90 100 %OF TIME DISCHARGE EQUALLED OR EXCEEDED 21--+--+-1---I--+-+--+---I-+--I I ~UG,UST 10·0 .10 20 30 40 50 60 70 80 90 100 %OF TIME DISCHARGE EQUALLED OR EXCEEDED 10i ~I~~~I~~~$3~$~ 4 '\. .'\ 2 "-,,- 10 3 ~ ~8 '(J)6u. (,)\-4w \ CDa::q;2:z:"-(,) (J)r'-...0 10 2 8 6 4 ---r----2'- 6 41--+--+-+--+--t-+--+-+--+---I 21---I--+-+--+--t'---I---+-1---I---I I .DTCE~BrR 10·0 10 20 30 40 50 60 70 80 90 100 %OF TIME DISCHARGE EQUALLED OR EXCEEDED 21---1--+-+--+----1-+--+--\---1---1 I J~LY 10 0 10 20 30 40 50 60 70 80 90 100 %OF TIME DISCHARGE EQUALLED OR EXCEEDED 10i ~!~~~i~~$~~~I~ 41--+--+-+--+---I-+--+-1--+--; 6 4 21---1--+--\---+---1-+--+-1---1---1 21--+--+-+--+--t-+--+-+--+--t 21--I--+-+--+--t--+--+-+--+--t I N~VE~B~R 10 0 10 20 30 40 50 60 70 80 90 100 %OF TIME DISCHARGE EQUALLED OR EXCEEDED JU1NE 10 '0 10 20 30 40 50 60 70 80 90 100 %.OF TIME DISCHARGE EQUALLED OR EXCEEDED 10i ~!~~~!~~$~~~!~ 41--+--+--\---+---1-+--+-1---1----1 IJ -_._..__.--"-'---'._._. ,1 J I I .] ) ! I -j .\ ] 1 ·1 ] 1 I I ) I ] 4 .....---r--r----------r------r---r----r----, 15-0AY HIGH FLOW ~==- I 1 (I) &I. (,) 0 0 2 I-III 0.9~a:0~80( :I: (,)0.7(I) Q 0.6 0.4 0.3 0.2 .....-.....--.....------......----......-----.......-----' 1.05 1.1 2 5 RECURRENCE INTERVAL (YEARS) 10 20 50 NOTE:PERIOD OF RECORD WY 1950 -WY 1981. HIGH-FLOW FREQUENCY CURVES JANUARY FIGURE E.2.2.48 / "'J"':<:; j: I ,·.;" .1 '••":C ~f j' ] r .-r--I,3,7 AND 15-DAY HIGH FLOW 2 3 4r---,--.,.----.......;----,r-------,~.......;-r--__r_----, -(I) II,;u o ~I -091&1 • ~,0.8 <~0.7 (I) is 0.6 --~----~~-----L05-1-~---- ---------------'---,-,----,,-~-c_--~_;:--,-...,'-:',-RECURRENCE--INTERV;;L:;-(-VE~ARS-)-- NOTE:PERIOD OF RECORD WY 1950 •WY 1981. SUSITNA RIVER AT GOLD CREEK HIGH -FLOW FREQUENCY CURVES FEBRUARY FIGURE E.2.2.49 ) .4 ,..--....,..----,r---------....------r---..,,----.---.. 3 2 'Ci) 1&.' U o ~I ;:;0.9 .~0.8 <l: ~0.7 en 2i 1,3,7 AND 15-DAY HIGH FLOW .0.2 --....----1'-----------"'------......--.......--"----' 1.05 .1.1 2 5 RECURRENCE INTERVAL (YEARS) 10 20 50 IJ NOTE:PERlcm OF RECORD WY 1950 -WY 1981. .HIGH-FLOW FREQUENCY CURVES, MARCH FIGURE E.2.2.50 50 - :JI . 1- I I·, 'I I 1 1~l I I I 1 lj I 'I' I 1 ",' ''t,L. FIGURE E.2.2.51 :~ 15-DAY HIGH FLOW 7-DAY HIGH FLOW '\,.tuaND 3-DAY\HFLOW ". SUSITNA RIVER AT GOLD CREEK HIGH -FLOW FREGUENCY CU RVES .APRIL ,NOTE:PERIOD OF RECORD WY 1950 -WY 1981 2 3 ,4 __-.,..--...----------,r-------.,...--,.--.,..-----, 0.2 '--_'""--_"--.......Io...-......._......_--.a.._~ --en, ~u oo Io .:::;.0.9 LIJ ~0;8 <tG 0.7 en Q 0.6 '~.,. I f" """"5 .~.•_.---•.-.•_..._.,••~~~__.._••,_....~__._,L.~...._'-,-'~:"'..._,-RECURRENCE-INTERVALTvEARS')'---,...---- J ..,; 100 I-DAY 50 HIGH FLOW 40 3-DAY HIGH FLOW-en....30Co) 0 0 2 l&J '0 20a:: c:( :c Co)en 2'i 1.05 1.1 2.5 RECURRENCE INTERVAL (YEARS) 10 20 50 , I I NOTE:PERIOD·OF RECORD WY 1950 -WY 1981. HIGH-FLOW FREQUENCY CURVES MAY FIGURE E.2.2.52 1r 1 1 J :! t II I' ...j II I~J :J ,I I, j '1 'I I] L·], FIGUREE.2.2.53:':" 20 '50-.5 ...i:......·~~IO· RECURRENCE INTERVAL(YEARS) '3-DAY--_ HIGH FLOW I-DAY---, HIGH FLOW SUSITNA RIVER AT GOLD CREEK HIGH-FLOW FREQUENCY CURVES JUNE . NOTE:PERIOD OF RECORD WY 1950 -WY 1981. 100 r---,--.,.--------___.r------r----'T---,-----, .- ~40(J ooo=.30 I&.l(!). 0:::«::c (J (/) Q "'....-----------------------------------.......·, ,! o 70 60 50 40 20 -Ieu 0 10 0 0-- til (!)a::.q: ::z::uen S 10 1.02 1-OAY----.-. HIGH FLOW "3-DAY-~ HIGH FLOW IS-DAY HIGH FLOW JULY AUGUST 1.05 . 2 5 RECURRENCE INTERVAL (YEARS) 20 50 .. NOTE:PERIOD OF·RECORD WY 1950 -WY 1981 .'. HIGH-FLOW FREQUENCY CURVES JULY AND AUGUST FIGURE E.2.2.54 II'' l I .1 I' I I' 1 ( .1 I ..j I] II II I, II j I j' 'Ir, .'1I . I: I' ,-] ,"1 50 20 50 20 I':'DA'F-~·;,....-""\. HIGH flOW 2 5 10 RECURRENCE .INTERVAL (YEARS) 1.25 2 5 RECURRENCE INTERVAL (YEARS) SUSITNA R,IVER .AT GOLD CREEK HIGH-FLOW FREQUENCY CURVES 'SEPTEMBER AND OCTOBER J.I .SEPTEMBER 1.02 1.03 NOTE:PERIOD OF RECORD WY 1950 -WY 19.81. 40 30 en~20 oo 2 20 ...-.,..------r-------.....,.-----.-----r---,r-----r-----, 3-..a...-----------.....----~......-.......-......----..&...--- 5 ......I ..a...-_.._ 1&1 C!) 0: :! ~10 o 9 8 7 6 o 10 o 9o ::8 1&1 C!) 0: ~6uen 0'$ !. FIGURE E.2.2.55;;...........__..,;;;..;~,;;a;,.......~ l .\ 7-DAY HIGH FLOW 4 2 3 5 7r----r---..,.--------,-------,---r---..,.-,....,.., 6 en I&. <.> oo 2 , i LLI (!) ~I 5 0;9en.2i 0.8 0.7 0.3 50102025 RECURRENCE INTERVAL (YEARS) 1.05 1.1 0.2 ""-_...a.._.....L --""---'__--I.._.....L_----' _J NOTE~PERIOD OF RECORD WY 1950 -WY 1981. _I SUSITNA RIVER AT GOLD HIGH-FLOW FREQUENCY NOVEMBER K FIGURE E.2.2.S6 I 1020 ....50-· ~iI-"--l.3."AND 15-DAY HIGH FLOW 0.2 2 3 5r---.,.--,.....-----~r__---_r_---__r-_,..-""l"_. SUSITNA RIVER·AT GOLD CREEK HIGH-FLOW FREQUENCY CURVES .......DECEMBER 4 ..... ~u o ~ 105---·l.r···c···.···2··5· -----------------..--.----~-?~~---:--:---:2c~--··.RE~URRENGE-INTERVAI;;(-YE·ARS-)---.---.---..-------. NOTE: PERIOD OF RECORD WY 1950-WY 1981. I ) :',' .-:--. ...-:. 50 ... FIGURE E.2.2.58 201025 RECURRENCE INTERVAL (YEARS) SUSITNA RIVER AT GOLD CREEl< LOW-FLOW FREQUENCY CURVES JANUARY 1.05 I., .. NOTE:PERIOD OF RECORD WY 1950 -WY'1981. 2 0.2 "___...._....&..---JL....-......J.__-'-_......_--' 4..-----r----r-------.--------r--...,.--__----. 3 0.3 U) b. (,) o o IE., -0.9 ~0.80::. ~0.7 (,) U) S 0.6 r I ..1 \ 1 \1Cl ] r·1, i f Ii\ Ir j II r1 I .J FIGURE E.2.2.59' 1 1 1 1\ I I I j I-;'1r~1rij .J Ir-l r I )(- I II } II I~ !\ 1'1 rl \ [,] [' 2 4--....--.....-------.....----...----.------..------., 0.2 .3 SUSI,TNA RIVER AT GOLD CREEK LOW-FLOW FREQUENCY CURVES FEBRUARY -(/) 11.. U oo2 I :~O~9 ~0.8 <t; ~0.7 (/) C5 0.6 .2 5 -------~--~---------------~---------,--------RECURRENCE -INTERVAL -rY·EARS-)~----- NOTE:PERIOD OF RECORD WY 1950 -WY 1981. 4 3 2 1 -en II.u I,3,7 AND 14-DAY LOW FLOW 0 0 2 I 0.9I.l.I (!)0.8a:: ct 0.7::r:uen 2i 0.6-, II J ·0.5 0.4 0.3 0.2 ......_....L.__'--.L--'-__..I-_-L._--J 1.05 1.1 2 5 RECURRENCE INTERVAL (YEARS) 10 20 50 J NOTE:PERIOD OF RECORD WY 1950 -WY \981. LOW-FLOW FREQUENCY CURVES MARCH FIGURE E.2.2.60 ,I ,I ,: ,J I II ) 1: 1 I } L-) :: ,1r, .( I Il· J I II I l f 'I) LI' I' ,JI .r FIGURE E.2.2.61 - 1,3 AND 7-DAY'----"""'~ LOW FLOW SUSITNA RIVER AT GOLD CREEK LOW-FLOW FREQUENCY CURVES APRIL NOTE~PERIOD OF RECORD WY 1950 -WY 1981. 3 2 4r---..,...---r-------..,...----__r----,---,----, 0.2 &0..._...1.-_...1.-...1.----110...-_...1.-_........_..... .... f2 (,) oo -0 I ;;0.9 ~0.8 <*:'~0.1 (/) Q 0.6 ,-"1.1 2 -----5- ---------------.---------~~.-'~-"'-',•-~-RECURRENCEINTERVAI:(YEARS-)-------------.-~. 50201025 RECURRENCE INTERVAL (YEARS) 20 r----....----r---------.,..------,r----.,..----,----, LLt (!) cr:4«::r:u U) is 10 9 8 U;7 Ia. U 6o ,0 52 5 ) II,j. NOTE:PERIOD OF RECORD WY 1950 •WY 1981. SUSITNA RIVER AT GOLD CREEK LOW-FLOW FREQUENCY CURVES .. MAY FIGURE E.2.2.62.. rI II 'I f JI . ,\ riII \ I Ir -;) L.I J IiJ I ,I \} Jr 'I ') I."j.. I lt,· _.,J FIGURE E.2.2.63 - 5 RECURRENCE INTERVAL·(YEARS) SUSITNA RIVER AT GOLD CREEK LOW-FLOW FREQUENCY CURVES JUNE· ,. NOTE::PERIOD OF RECORD WY 1950--WY 1981. 50 40 ., ," 30 -UJIa.' U 8 20 I 2-&a.I CD II: c(::cuUJ Q 'f l · j 5020102-5 RECURRENCE INTERVAL (YEARS) /. LOW-FLOW FREQUENCY CURVES JULY AND AUGUST 1.05.1.1 NOTE:PERIOD OF RECORD WY 1950 -WY J981. 5l!--...--......-------""'-------'----'--...--~ FIGURE E.2.2.64 502010 OCTOBER SEPTEMBER -.2 5 .,._,~E~~-RRE~C6INTERVAL (-YEARS) SUSITNA RIVER AT GOLD CREEK LOW-FLOW FREQUENCY CURVES -SEPTEMBER:AND OCTOBER ,1.05 1.1 .NOTE~PERIOD OF RECORD WY 1950-WY 1981.. •10.' 10 9 8 7 6 5 15 20 '-(/)4 II. U g 2 l.LI <!J ~7 r---r--r--------...------..,---r-----r---..., :cu ~-!!!- .a '1; ..; [4 3 1 2 - LeaN FLDW (/) L&. (,J 0 0 I2.....0.9LLI (!)0.8a::ott:::z:0.7:-c (,J (/) IJ is '0.6 0.5 U 0.4 0.3 0.2 1.05 1.1 2 5. RECURRENCE INTERVAL (YEARS) 10 20 50 NOTE:PERIOD OF RECORD'WY 1950 -WY 1981. IJ j SUSITNA R V R LOW-FLOW FREQUENCY CURVES·- NOVEMBER ...........F...,;IG,.;.U_RE......E,;.;;.2;;,;..2;,;.,;;.66,;..,a,;.' /.."...--------------.;,;------------------. 50.-,-,.'...._.,.....,_._-_..._----"--~ LJ' "1,I I tLII '1\ J\- ,I :~] J II\ fi IJ II ,.j I j J i I .1 1 l,tIJ IIl' I r. )/,: I·..••.; .'" \IFIGURE£.2.2.67 '- --_._-_..... 10 20-.---.'-'-.-'-----_..'.--.'-- I,3,7 AND 14-DAY LOW FLOW SUSITNA RIVER AT GOLD CREEK LOW-FLOW FREQUENCY CURVES DECEMBER, NOTE:PERIOD OF RECORD WY 1950-WY 1981. 2 0.2 '--_........---'o .a..--'--_--'-_..L-----I -en l&.u '0g I .::'0.9 ~0.8a::: ~0.7uenQ0.6 .----a-.--.---~.....--.--.....::..•----'--:e---_-"--~-'R-=EC.::..c::U..;..;..cRR-=E"-'-'NC-::;.E.I!'TERVAL.(YEARS1 ._ ~_.- '. WSEL=592;l SLOUGH FLOW =3 CFS ,WSEL=1592.115 .MAIN.STEM =22,500 C~S WSEL=591.215 2.0 J!MAINSTEM II 18,OOOCFS ....':.~;~·o:..'..._. or..,~f ..~.4·••0' -"".'0'0 •·r-··.......',------...~~--~-.-...---------...-----_....... O .."L-WSEL=590.815 .'.•~::..;:;:0':'. I..MAIN STEM =16 000 CFS .:'•.•.~.•,.'•··0'"·..'; ~........••••'..0 WSEL AUG 24,1982=590.00 .i.""c.~·.·:/ MAINSTEM =12,500 CFS ::;"r}..'~:•. _SLOUGH =3 CFS .:'I'~;~.i .','.·.6:;;...11,0 .....-.;.••0.•;.~00 9"·~ '..:•.•:•.~,...-.,~~....•••:~..::0·.,-......;:.~..;" o "."""~!.,.,,~:".,,".:.,."::,~~:~!t ,'0:.·.~:i :0:.'P:....e.,.......~ o ~:.!.tI •.lOD·'''O,-.p •••••·O.....!.Q •.•••,••~.~.~"fM~~;~:~~cJ~~J~~.~~I··~····:·~}..:::~:G; WSEL=594.1 1MAINSTEM =32,500~f.~ PASSAGE 141 ..I REACH A ......-------- 594 1593 592-... IfJ 59111...... z 2 590~:> ~589 ·LIJ 588 587 -5+00 0+00 (MOUTH) o .i~ NOTES; 1.1 MOUTH OF SLOUGH AT STATION 0+00• .SELECT MAINSTEM DISCHARGES MEASURED AT GOLD CREEK. DISTANCE (FEET) BACKWATER PROFILES AT THE MOUTH OF SLOUGH 9 FIGURE E.2.2.68 / 1: 'r";r 1. 1".:,.: i,• J. J l .1 1 ..J: I 'r .f -·/;;;--+~~"··"--II~·--+-·..·-··-·-,.-I-·----······-1..--·-..----------... ..I,,, .594.01-----+----+----!-'-----+---4---i----! CJ)593.01-----+---'---'--+----t---F---+-------i----! % CD 9 '"aa.o ~ :;:)o ::Ii III~.592.0 ti zo. 5 FIGURE E.2.2.69 4015.20 25 30 35 MAINSTEM DISCHARGE AT GOLD CREEK (1000 CFS) OBSERVED WATER SURFACE ELEVATIONS AT MOUTH OF SLOUGH 9 FOR ASSOCIATED MAINSTEM.DISCHARGES AT GOLD CREEK 589.5---....&.-----Io---"'----......--~---- 10 DATA SOURCE'ADF a G 1982 a ---,."__..__J I \. .; LE G END: -+-DAILY AVERAGE AT DENALI ___DAILY AVERAGE AT VEE CANYON ...DAILY AVERAGE AT SUSITNA STATION (SELECTED DATES).. .. A '~ .'1 \ ['V',I I ,·....,.. It .\"":A .•\p.~:\~;V \L.~.f'...'...'1,..,'.....,'.'."'..I ~I'''''I ·•.•.••1 •...t .1 IocJ ~ II ~"I \.....~.'I.'·..,V.JIlIV"U ':...i :I ~l n • I ~'II \I l Ii I •I I 'I #I a 4 1 "I II nI1\1.M ",II 1.,,, 11 .'"i""I r .I I l '"I ~ I ,.../I ~VIU&..~".. A .. ... t,., A ,I "I , .~,~At,·II.,I I II J 'I!. ,I I ,'~l .'II II , I r~~ .~Ii 1~4'tIl I' .I, I I I' .H I ".,~•1.'..I' fll"I,'I''IIUj ~ I, ..I 14 13 12 II 10 -9 0 !!...8 w· 0=:::><7 .•'ro'« 60= Wa. :E & I.LI .\...4 3 2 0'I I I I I I I I I I I I I I I I I I I MAY JUNE JULY AUGUST SEP.OCT. SUSITNA RIVER WATER TEMPERATURES .SUMMER 1980 ·i~'-;r FIGURE E.2.2.70 LEGEMO: -+-DAILY AVERAGE AT DENALI e-DAILY AVERAGE A;r WATANA --e-SIMULATED WEEKLY AVERAGE AT WATANA (PLOTTED AT< MID-WEEK) )'.' 1 I JiUL Y AUG.SEP.,' i : ,~UtSITNA RIVER ~ATER TEMPERATURES i 'SUM~ER 1981 JUNE I I 11 "I ',,:,,~I'\l \,'I"'1 1 I 1~t "'.'f"'I "I'loIt •,t,,'J::-,"',.'t '!J,H JV"J'~'~I!',',+I'-It I ~",'',...I··,.¥\I,'I,..~II 'I x I~I ",.", ."II I ~•~-~II ','II:~I ~',,'~,"I'1, I f I \1'",:Il ,II ,.I.\~I II "~1-,;¥t:'','~.,'llil I ,!.,4~I'I\~I"'" •--~.,\I',I I r '."Il'II II I ~,~\'J 1 "i'U ~"~~~I!I \-l ¥f », I ...I ,I ':"I ~ •I -\ I ~ h\ I I ~,, I MAY 13 12 II 10 9-~18-I.LI 0:: ~1 6I.LI 0.. :i I.LI 5 I- 4 :5 2 DATA SOORCE,'USGS,R&M,APA 1118.0 r'o '_"-r ':....,.""__,_.--:a~-,~..~~-:'- - I:.•·••1·:;-~: _;;..{--- ~'---1'--.- ,FIGURE E.2.2.71, .-..-----.- !I !'I I H 121--l----J-----+---+---l-----l---+--:----+--...,....,...:t---h•••EM~_t--_t--__t--"i 10 , LEGEND:;; e WEEKLY AVERAGE TEMPERATURE (RECORDED) -8'IlffrWrl ENVELOPE OF,WEEKLY().'~:::::::::::::::::::MAXIMA AND MINIMA o -G)WEEKLY AVERAGE TEMPERATUR III (SIMULATED) 0::~61-+--h---+--+---+---.:---,...~---+~---,...---fr~_.~~C:::----r-w.=,!III cr 0:: III Q. :lIE~4l--+-..,-4----+-~~f---+-.:..-_+---+~-.---..,t---..,--t---..,-t--_t---t_--_r_--..:.:l.r_-___t 21--l-~---f---t-...:-...-+--+----t___--+----t----t---'--+--T----r_-_.r~ 0t-t-~.~~~";~~--+------+---+---+----t---~iif---1 '0 I 4 ..8 12 16 20 24 28 32 36 40 44 48 52 ........,WEEK..... O~T..NOV.DEC.JAN.FEB.MAR.APR.MAY JUN~JUL.AUG.SEP. MONTH SUSITNA RIVER AT WATANA WEEKLY AVERAGE WATER TEMPERATURE 1981 WATER YEAR .'FIGURE E.2.2.72 I .!I ".."" FIGURE E.2.2.73 ------3==mtt..---..._----~,... ',~,..."........, "" -----~---~-----~ ----------- o-~2~6-----~1~3.1::7~----::2:":!2~4--~l-;I SUSITNA GOLD CK.VEE CYN. LOCATION (RIVER MILE)-6/15/S0 O_~-----~~---~~-~~26 137 224 SUSITNA GOLD CK.VEE CYN. LOCATION (RIVER MILE)-7/15/S0 15 .....-.-------.-----......----.1"'1 15 .......,..-----..,..----......----.1"'1 15 .........,..-----....,..----......---1"'1 15-....,..------,-----......---...,1"'1 0 .....~2~6-----~13~7----2~2~4~-~!o!' SUSITNA GOLD CK.VEE CYN. LOCATION (RIVER MILE)-S/15/S0 (,) ~ 0: :::!E UJ I- 0 .....~2~6........................~1~3~7-..;............~2~2~4----~'-!I SUSITNA .GOI.J)CK.VEE CYN • ..LOCATION (RIVER MILE )"'9/15/S0 ... (,) o...... 0:":IE------'---UJ- to- ------ NOTES . I.)ALL TEMPERATURES WERIi'RECORDED BY THE USGS WITH SINGLE THERMOGRAPHS AT EACH SITE. 2.)GOLD CREEK'S TEMPERATURES WERE INFLUENCED BY TRIBUTARY INFLOW AT THE SITE AND THEREFORE WERE NOT INCLUDED. 3.)DAILY MEAN TEMPERATURES COMPUTED AS AVERAGE OF MINIMUM AND MAXIMUM FOR THE DAY. --- SUSITNARIVER -WATER TEMPERATURE .GRADIENT ---- -----------.........-------_..---.-........:...--. .----------~.-................. ::::;----..........---------.....- 0 .....0:::126~.-----":':13~7~----:2~2"':'4--~~ SUSITNA GOLD CK.VEE CYN. LOCATION (RIVER MILE)-8/I/S0 LEGEND ----MAXIMUM ----MEAN -------MINIMUM 5 ...........------.-----..,----.,...,. O.....~26l::-------:::13'=7~--..;--::2~2~4--"':"l!:~ SUSITNA GOLD CK.VEE CYN. LOCATION (RIVER MILE)-6/I/SO 15...........------.-----..,----.,...,. O.....~26~----~1~37~---~2~24~---::~ SUSITNA GOLD CK.VEE CYN. LOCATION (RIVER MILE)-7/I/S0 15-......------.-----..,---......... 15 ...........-----..0.,-----..,----.,...,. 0; :::!E UJ I- (,) o ""'!" 0; :::!E UJ I- -(,)o...... SOURCE I USGS -~,.~.~.-~~_._..--~.~~--_..- "--,-~---'-----,--'--)..--~_. : ,, ....,,.. ',', I.A.--'15.0 , I.A.--'13.0 I 10.0 •MAXIMUM.... 0 °.... I.&J 0::..MEAN:;) ~' 0::' I.&J •MINIMUM~5.0 ...-~I-"'. f ,'. ., .,, 0.0 .. ~'..,........I ,,, I - ". . NO.OF OBSERVATIONS49'49 '54 ·21 65 9 25 3 5 1"7 5 •.,27 3 22 Q 4 10 2 12 I 7' D V G C T S SS D V G,C",T S SS D V 'G C T S SS LOCATION' I I I I •I • • I I I ••I I I I I .SUMMER WINTER t3REAKUP 0-[ENALI V-VEE CANYON G-GOLD CREEK C-CHULITNA T-TALKEETNA S-SUNSHINE SS -SUSITNA STATION , NOTE • I.A....RITERIA I SHALL NOT,EXCEED 20°C AT ANY TIME.THE 2.MAXIMUM VALUES OF 12°C AT DENALI ON JUNE 4 AND 5.1980j ,:.~~;:'OLLOWING MAXIMUM TEMPERATURE SHALL NOT BE 15.0 OC AT Go.LD CREEK ON JULY 3 AND 4,1979 j ANO 16.5 °C XCEEDED WHERE APPLICABLE:MIGRATION ROUTES AND AT SUSITNA STATION ON JULY 9,1976 HAVE BEEN RECORDED-i ~EARING AREAS--150C I SPAWNING AREAS AND EGG BY USGS CONTINUOUS RECORDING EQUIPMENT,HOWEVER~ND FRY INCUBATION--130C (ADEC,1979).THESE WERE NOT INCLUDED IN THE ABOVE COMPILATION. I.B~STABLISHED TO PROTECT SENSITIVE IMPORTANT FISH ONLY DISCRETE OBSERVATIONS WERE UTILIZED SINCE ,PECIES lJ AND FOR THE SUCCESSFUL MIGRATIONPSPAWNINGt.CONTINUOUS RECORDERS ARE NOT PRESENT AT EACH STATION ,-GG-INC BATIONMFRY-REARING~AND OTHER RE RODUCTIV .THROUGHOUT THE BASIN. UNCTIONS OF I PORTANT SP CIES...." ~..~_. -,,:_.".,~':',-'DATA SUMMARY -TEMPERATURE.~;;:t ::,',- SGUR,CE USGS.,..••...••••FiGURE E.2.2.74 L ..,I, '...;e,!;Ii-, .1,· , ! 'SLOUGH 21" .·•.0o. ~SLOUGH II 'VY OY o. NOTE:RM=RIVER MILE h,IREc'I"ION+OF FLOW DATAPODSURFACE --0 ,DATAPOD INTER GRAVEL-• '~NSTRUMENT LEGEND:MATCH LINE RYANSURFAC"E':"':'':0',.YSISURFACE -c 'V ..,tlYAN INTER~R~VEL~-,II ',,'VSI INTERGRAVEL -.. •SLDUGH9 o. 0., SHERMAN CREEK LOCATION MAP FOR 1982 MIDWINTER TEMPERATURE STUDY SITES 1 0 ,;, I "r~----iiAi=cHLiiii~:::::;::;:;=------------.4::r::DE:-V::IL~C::A::N::YO=N::-:----"'1 /~'10 RIVER'MILES :I 1 I (, [I I ,I. ,: 'I I ':I I" I l I \ I ,JrI,I . ",'1 ','~...;\;,,··1 "rFIGUREE~2.2.75' 1__ ---'--_'>--.J talA..pAIL Y I..TRAGRAViL WATER TEMPERATURE -UPPER SLOUGH.8A -SITE S t RM 121.6 a -----BLOUGH 9-$ITE S tRM 121.6t _••_--SLOUGH n-SITE z tRM In:If) ••••••••••UPPER SLOUGH II·lITE:I tRM 14Z.0a . I:-::..::..•I,. ::...'-r~ '......~,".,;........... ..;~.....~'...--","00 -.a----.pir.-.---~---.......,.tII---".,..-..~_...• •••••• 0:.:.~O~O~O .:.~.too&.A.:~'l"""'''\''''''''~~.o_"_0_" ..'0-;..-,'.'•.•..•.........J ~;..:\~. 1& 14 13 12.. o 10•-9- 1&1 8a: :::t 7 l- e(6a: 1&1& Q. :IE 4 1&1 I-3 a:2 ~I e( ~0- -I - -2 -3- 4 - SEP OCT NOV ( DEC .IAN flEB MAR 1883 Mee~dally Intra gravel water temperature.recorded at Upper Slough 8A -Site 3 (RM 128.8).Slough 9 -Site 3 (RM 128.8).Slough 11 ..:Silte 2 (RM 135.7).and Upper Slough 21 -Site 1 (RM 142.0).during the 1983-84 winter 8ea.on. WINTER INTERGRAVEL WATER TEMPERATURES SIDE SLOUGH HABITATS SOURCE:ADF a G 1984;FIGURE E.2.2.76 &..••"I~.:; ,.:'1 I:-".-J ..~•••:~••.•••4t~to t ;t'"...~i .~.'.."' It :••0;"I ••'M'•• t'J:I·. •.:.,'A .<{fl..t:v.··i\( / :t(-.,•..•.. J ...,:r"" '10;:••~..:" .;V • .MUN DAILY SURfaCE WATElII UMPfRATUYC. '"""-IUPPER SLOUGH IA·SITE S 1.11 121.' -----i SLOUGH ••SITE S C.II 12 ••••-"-"-1'SLOUGH 1I·llTi 2C.II lSi.'" ..........UPPE.SLOUGH 21.liTE I C.II 141.01 ,& 'I',It,,"~r,'1::. :;:!'~11.\J,::I U 1 J.1!' "f ....\~'I!~::.....::J,_. -:',-..."!"'y..•Jt ~.I,tU"..·····.··~JIr·..~.t;..•.....:.::"./.,~.-r~.b.Vl :. •f;.:a 'I~i:'6"~vt~:"I':/"1\~~~::n;(u .....:,.................I',V •,tI.V..1":0;'.,.'"'.""...,.-....-;i '1 :,}',,"'!'f ._ 'I I 1&- 14- 13 - 12- -11-«J•10-- III 9- 0:8-:;:) l-T- ~ 0:6- III A..6- 2 4-III I-3 0:2III l-I ~ :I:0 -I - -2 -3- -4 1883 Mean dally 8urfac~water temperature~recorded at Upper Slough 8A -Site 3 (RM 126.8). Slough g -Site 3 (RIM 128.8).Slough ~1 ..;Site 2 (RM 135.1).and Upper Slough 21 -Site 'I (RM 142.0).during the 1 983-84 I wlnt.r8.a8on. I I' i IIi. WINTER SURFACE .WATER TEMPERATURES I,SIDE SLOUGH HABIT A TS SOURCE:ADF a G 19B41 FIGURE E.2.2.77 ---_:'._--',--' ,-_.-,---~~ rf;,)\\A\ " \""-./'?\.,j\!'V \A .~J\-\/../,\i'"'-.___..,,,.........'-.,..f"'\,N ._ .J /' 30,000 .. 1;- 20,000 !AI ell11:.... 10,000 % 0ena MEAH DAILY DISCHARGE ••U.ITNA R. _.-AT GOLD CII.IRU 13•.••U.G.182&2000' MUN DAILY SURFACE WATER TEMPERATURE -----UPPER SLOUGH SA·sin 2 IRUI2.... -•••_._,Mil AT LRX ae I RM 128.1. MUN DAilY INTRAGRAVEL WATER TEMPERATURf: --UPPER IIl0UGtI 8A •IITIt a I RM 121.8. -"-~II AT LRlC 28 Ufo'12...) f\.>3 '1 .. '.. IflII\\ t \.""'-i..............'\~ I •'t::.11l.:,].. / :''v'"t'r:f\:·~W·'"f'/'.~..-'.:' .l ,.;"f ,.".":.'!\l ;11 1·1 V ."......',.'~I ...'I'..''I'I "lto''i " •••...,.J ,~..'\...I'"---"A ,• •/'!.-./-,,'"~~,,\-.....- 23 22 21 20 19 18 17 ~ u 16!.. IIJ 16 0:14::> t-ISct 0:12IIJ 0.. II!t-10 0:9IIJ t-8ct 3:7 6 5 4 3 2 I 0 I MAY III I JUNE III I JULY III I AUG 1983 III I SEPT III I OCT III I NOV M••n d.lly Intr.gr.v.1 .nd .urfac.w.ter t.mp.r.tur.coll.ct.d during tho 1 ~83 op.n w.t.r ••••on .t Uppor Siough8A -Sit.2 (RM 128.8)•M.ln.t.m SueUn"Rlv.r .t LRX 29 -Sit ••1 and 2 (rm 128.1)••nd m!il.n d.lly Suelt"a Rlv.r dlscharg ••t Goid Cr ••k (USGS gaging .t-etlon 15292000). SUMMER SURFACE AND INTERGRAVEL TEMPERATURES SLOUGH 8A SOURCE:ADF &019841 FIGURE E.2.2.78 30,000 .-.... ~ 20,000 III ClI Cl:c 10,000 % Uen Q "....,\\\,lV,\~, I \~''--''Ir--­..':~..I\......:........._..... _._MEAH DAILY DISCHARGE SUSITNA ft. ,'AT GOLD CR.(RUI36.6,USGS 152920001 MIAN DAIU SURFACE WAIn nMP£ftATURE -----SLOUGH.·lITE.(RU 128..) •••••••••M5 AT LAll 28(R"126.1) MUN DAILY INTRAGRAVIL WATER TEMPERATURE -SLOUGH 8-SIT15 (ftM 128.6) -••-liS AT LRll 28 (RM 128.t) '~/A~V'\'r ',..,.;.I.,.J\\\.:-.:., rft .;V..!f')\\/"\.. .I 'ty-A../'\iV '\}\....-...Af\,J '-....'--r·'v.;I I /Ii •' I J~'i ' I 1:.,I I 'ry,\':f~~"• '. !.""'\t,',,.M'"'1I"'.8!I f',,<;'':1\il"; . I I,',:""::'~"\!WJVI, :'" Vii/'II i :.! 'fl ! i.!I I IS I !l,S I lIB I 15 I.15 I 15 I MAY JUNE I i JULY AUG SEPT OCT NOV 1983 25 22 21 20 19 18 17 U 16 !..15&II 0:14:;) ~13 0:12&II Go :1:"&II t-10 0:9&II ~8 3=7 6 6 4 I 2 I 0 :I "i .Maa:~dally Intragra~all and sur.faca'water tamparatura collaclad during tha1g~3"--.!• opan watar aaaaon ~t ~Iough 9 -Slta 3!(RM 128.6).LRX 29 -SII~.1 (Rill 126~1), i 1 :. and maan dally.Suallna:Rlvar dlacharga lat·Gold Craak "(USGS gaging ataUon 15292000).I ! i ; SUMMER SURFACE AND INirERGRAVEL TEMPERATURES I I SLOiUG'H 9 SOURCE:ADF 6G 1984b FIGURE E.2.2.79 -------J ;~--' L-_---l '........---i ,--_J ~ A/\..)\,A, IV'\/,P/\f"\.1 \l ..I \,..r"'-."'VV'v '-"-..-"\f\.J'-.."___("'vJ / / _._MEAN DAilY DISCHAAGE SUSITNA R. .AT GOLD CA.IRM 135.S;USGS 1!l2920001 MUN DAilY SURFACf;WAUA TEMPERATURl -----SLOUGH II •SITE 2 (AU 1515.1 I•••••••••US AflAX 29(AII 128." MEAH DAILY INTRAGRAVIL WATER TEMPERATURI ---SLOUGH II'SITE 2 (RU 15lUI ----US AT LRIC 29 (RU 12'.1 I 30,000 ....u- 20,000 III Ct 0:.. 10,000 :I: 0en Q ....,.,f\...~',-"'t,\'",.......,\\'t/ \",.....&'----..Y'.\!~.~.......... l~f;,4,f.\l 1/"\t:!-\fJ \-~ .J.... hI/"V \i\.".,",~"..,".,,'\,'..:'" '~,""'v '\.',. I "....,.....,I.,\.',~,''"I:,I '..-i.-- " :l Vi'~~::'v'.,'\:",.J ~\'1 ,:\.:~/,,-J''J',V \ ' v'f "_...,"...",.,,'""..1",...,'" •'."'.,,'\I'-•, ,~..''",..."._\_,V"":•... 23 22 21 20 19 18 17.... 160!.. 151LIa:14:;) ~13a: 121LI Q. ::IE II1LI...10 a:91LI...8~7 6 5 4 :5 2 1 0 I MAY III I JUNE III I JULY III I AUG 1983 III I SEPT 15 I OCT III I NOV M.an dally Intragrav.'and Burfac.wat.'t.mperatur.coll.cted during the 1 983 op.n ~aler ••••on al Slough 11 -Site 2 (RM 135.7).lIIIaln.tam Suo Una River at LRX 29 -SU.11 (RM 126.1)•.and maan dally Su.Un.River dl.chargc at Gold Craak (USGS gaging .tatlon 15292000). SUMMER SURFACE AND INTERGRAVEL TEMPERATURES SLOUGH 11 SOURCE:ADF8G 19B4b FIGURE E.2.2.80 2200 2200 2200 2200 1000 1600 TIME SEP 7-13 1000 1600 TIME AUG 31-SEP 6 400 400 SUSITNA RIVER AT PORTAGE CREEK (RM 149) -""""'--I--- Ii-- I "I I I I I ,I ,•1 oJ - -- -- I I I I I I I ,,.I I t- ·1------1---1----- r-r.- ,•I 4 8 8 10 400-1000 1600 TIME SEP14-20 8- ..... u60-a: ~4 I- 2 400 1000 1600 TIME· SEP 21-27 u8o-a: :E1U6I- .....:r ~6 ~. '1- 4 2200 2200 .2200 SLOUGH 21 (RM 142) ioocf 1600 TIME SEP 21-27 1000 1600 TIME .SEP 14-20 .1000TIMi.600 SEP 7-13 400 400 400 •I , .../K - .-':/.......I-- -,I " I , I 1 8 4 ........-.L.................L-..I-J....-......................-&....... 400 1000 1600 2200 TIME AUG 31-SEP6 10 ,...,.~_..,.....,-__,...-,......,--r-__.., i'8 1---+--+---1----+---1-a: :E~6 I---+--+-~-t------'~--f uo-;:6 :E ~ 4 J 1 ~Ir 'I I ,1 I I J \ II 'I I-1 'I II I,l I. ,·1 I I: 'I 'I COMPARISON OF WEEKLY DIEL SURFACE WATER TEMPERATURE') VARIATIONS IN SLOUGH 21 AND THE MAINSTREAM J SUSITNA RIVER ~~rORTAGE CREEK}I L;S;;,;;O.:;,UR;:;CE=-:.;;;;AO;;,;A~PTE.:.:O~FR.;,;,;OM;;;;;..;;;A:.;OF..:8;.;;;G..;,;19:;,;;;8;,..1 .................;.,F.;";IG;";;U,;,;,R,;;.E..;,;E;.;,;;.2;;.;;,.2;;;,;.;.;;,8,;",,,,,11l ~'--'---c-=C..=:J= ~'. It'. SUSITNA AIVER DAILY AVERAGE TEMPERATURE.RM 126.1 (BASED 0/11 PRELIMINARY DATA FActMADF ~G), INDIAN RIVER.DAILY AVERAGE TEMPERATURE NEAR MOUTH (BASED ON PRELIMINARY DATA FROM ADF a G) - ---PORTAGE CREEK DAILY AVERAGE TEMPERATURE NEAR MOUTH (BASED ON PRELIMINARY DATA FROM ADF a G ) LEGEND: . "'\':''\'l''' '\J .': >,,.)\'v'J\.',,"J;>~'."'.';\\,•.•'.••••••>....~I.r .:·'.V!'·'".~.'\..'.'',\".'., 1'....~'.,,'\.,'I'"\'""..'\"1 ."""1 ..''"\ •f\i r..\.' \ .!\I;.V /"'./\.",\/ ,......,J,j,.,".. >>Ill " J \l ,,/,.,.,,....'" 15 14 13 12 'J! 10 ,9 ~8 l.IJa::,:;:)7 ~ "•a:: l.IJ a.6:E l.IJ I- 5 4 3 2 301020 SEPTEMBER "311020 AUGUST 31 JULY 10 20301020 JUNE O'I',D I I •,,,!I 1 I SUSITNA RIVER,PORTAGE CREEK AND INDIAN RIVER WATER TEMPERATURES SUMMER 1982 FIGURE E.2.2.82' _._UlAN CA'LY DISCH.aCIl.GUIIINA .. At 101.0 U.,III.,..••Ulll .SltlOOOI ___U[AN OAll'OIlCHa"O:«.IHDrAN. nlll 1.0.III I1O,.·&OIi"ITAOI MCORDII' MI&N DIlLY IU,,'ACI !.~!-.!!!!!!!!!!!!!!.! ---Ill &1 D!V'L C&lIlo"j"ao.OI ------.HOI&II IIVII I "".0.III ill." -"-111 AlOVl[lOLa CR.1111 "•.al I 30,000 20,000 -10,000 ~u-W 0 .(!) 0:«:x: 2,500 0 (I) 2,000 Q 1,500 1,000 500 0 1~~,~ I!J 'v')\'--J'J 'J\ i,,;\i.o:J!i Jr'.(\~. i ;I'j i F'1','\""'~I(-JI ('!''. '\ IL ,.,,~,,' ,\.,",,........'\:... ,.' , ' I"" rf\Ii..I )\\A, .\1 i..~,!,.;V \..V·\LJ'V "l\.,./\....J.,I ·~V \i.. .----..'-..-/"-.."I '-/V iij.!, i I~/1 I I,~I J\i,I ! ""I ~,tv·"v_.. 34 33 32 31 30 29 28 27 26 25 24 u 23•22 w 21 0:20::J 19l- e(180:w 17 ll.16::aw 15 I-14 0:13w12l- e(II ~10 9 8 1 6 5 4 3 2 I 0 .-I • I °I i I 10 I 10 •IS •IS I IS I MAY JUNE'JULY i AUG SEPT OCT NOV I i 11983 I I !- Maan dally eurlaca wa~a~tamperatura.coll~ct.d during tha 18S3 opanwat.r e.aeon at Maln.tam.Sueltna RIV."af Devil Canyon (RM 1150.1).Malnetam Sueltna Rlvar abova Gold Creak (RM 138.S).at Indian'River -SIta2 (RM 13SLs,TRM 1.0),and mean dally Sueltna Rlvar '.Ii'i . dlecharg_at Gold Craa:k ~USGS gaging etatl~n 15292000). I DAILY WAf'~R TEMPER~TURES OF SUSITNA RIVER , ,MAIN STEM AND INDIAN RIVER .SOURCE:ADF El G 1984 b ----------'.~.~ FIGURE E.2.2.83 '------' rf:)\.\/\._\ . \",-.f'/"\."r-.j \A l\.J\.I .\,../'\i~"'-...'v ..'-/'''vV / .-/ 34 33 32 31 30 29 28 27 26 25 24 u 23 !..22 UJ 21 ~20 ...,19 q:180: 'UJ 17 CL 16::!: UJ 15 ...14 0:13 UJ 12...c:t II 3:10 9 8 7 6 5 4 3 2 I o -I 1'\-~,~\,...../"-"-v " //\J/\ ]..Ay..]v...!" _.-~:~~L~A~':.ID:~~::':~d:D~ol~Ta1~JoI ___UUH DAILY DI.CHARU.'ORTAOI cn. •UU 0.1 ,nil I••.•·AD'••ITAOIlllCORDall1 ~IIUH DAILY 'UR,ACI wATlII nll'UATUR! f ·-----11.AT DIVIL CANYOII .,..150.01I---".nova DOLD c "'.'1V'\}I ".i \:_..-n ..n.nb " .rJ'"'~'~', {"\1\...;v\•i I :/'Li\fJ:.' 30,000. 20,000 .........u 10,000 UJ (,!) 0: 0 q: J: 0 U) 2,000 0 1,500 1,000 500 0 I MAY 15 I JUNE 15 I JULY 15 I AUG 1983 15 I SEPT 15 I OCT 15 I NOV SOURCE:ADF a G l~ll4 b ".an ,d.lly .urfac.w.t.r t.mp.r.tur••collected during the 1883 open w.ter ••••on .t Maln.t.m ______0._,_-.,.... Su.ltne Rlv.r .t Devil Canyon (RM 160.0),"aln.tem Susitn.Rlv.r above Gold Cr ••Ii (RM 138.8), at Portage Cr••k -Sit.2 (RM 148.8,TRM 0.2),and m.an d.lly Susltna Rlv.r dlscharg.at Gold Cr.ek (USGS gaging station 152920000). DAILY TEMPERATURES OF MAINSTEM SUSITNA RIVER AND PORTAGE CREEK FIGURE E.2.2.84 15 I I I v -V ,'V ~ /~\I \!!""II \j SUS~NA RIVER .~;........~---..r·VI BELOW CONFLUENCE ".,,-:r00 '..;.,"\~1.,\:..,~\,'!~'V'['\,f ~'\'-I f\\ ,,.\I \~'f":~'---'I·'.:\\.,..,........:\:"A'\..j /......... lfi/\..·J \y/M k I V\L;JlVl\\~'A\"jl .'J '.\i....//~'\...... /\ E-CHULITNA RI ER .;./A\Jr-~ABOVE CONF UENCE I \ 5 \ \.., 13 1-----t----.:.~-+::.,..-.Aa.-----_1_----_H_'--____:-_+___r=_r_--_t_--:...-.:---_t_----_t_----_r----_r----_r-----r--~--"1~'\\I~' \.~-i '\\.1'.\.",.f'.../"........."\'\.'./'\V I'\!~~SUSITNA RIVER ABOVE CONFLU NCEIf\.~/\..,\."/"i i \ I I I----S-US-IT-N!-/),-RI-VE-R--iL-;-"_-\'\-+-__!_-I-.:Y.-~,,_.-+...~1i1---+~\---I-1/r--T\~-.-T-/+---\\-.-+-,-+1!-~\-hl/~-~-\t-----j-----r-------1 BELOW CONFLUENCE"',;I \'1\r--v"\,~\/\V f"\\/r'\.'\I .'../........'Vi i \ /.."\.~I \.\-\:.V···~\ " ",\'//'\',/I \! \I •'.~>.......'J "\.TALKEETN RIVER ABOVE CONFLUENCE~"j.;"\:~'.." (.) ~ fJ LIJ 90:: ::l l- e::( 0:: LIJa. :E LIJ I- 7 u 3l-----l-----+------I------l-----+-----t-----t-----t----+-----j-----t------lr------j I 8 16 JUNE 24 I 2 10 JULY 18 26 I 3 II 19 AUGUST 27 I 4 12 SEPTEMBER 20 j NOTES: I)TIM E SCALE IS IN IN<:REMENTS OF 8 DAYS. 2)CHULITNA DATA FOR JULY PROVIDED BY USGS FROM -CHULITNA GAGE 18 MILES UPSTREAM OF CONFLUENCE. MONTH LEGEND: _.-SUSITNA RIVER ABOVE CONFLUECE (RM ..I03.0) ----SUSITNA RIVER BELOW CONFLUENCE (RM.83.9) -••...::..,.TALKEETNA RIVER IMMEDIATELY ABOVE CONFLUENCE CHULITNA RIVER IMMEDIATELY .COMPARISON OF 1982 TALKEETNA,CHULITNA, AND SUSITNA RIVER WATER TEMPERATURES . ----"NO DATA SOURCE:ADF 8 G 1982 a FIGURE E.2.2.85 ;\ I 'j 1 1 j ·1 ~~ I -I ) 1 1 j J ] ] 1 II j L-.-----' 16 15 I 14 .....,, 13 -f :n~ ,.,,I 12-.. u VI!0-Il w ri0::10 :::l I-et 90::h : "'Vw,.. Q.B Nl·A...j~w ..'(I-7 :''~lIX:I .:;w 6 I "l-I :!et I ~: ~5 .~ I 4 :3 2 o UUN DA'U SURfACI WATI.TIU'IlilATUIII ---..S 'AIIIlI HIIV 1I11.001-S.IIII.11 ..... -----..S TAUlIUM.CAlI,,....os.oa ----TALIIln.....-'.TI'''II11 •.',.11 .U • ••.••••••CHULITNA ••'SITI IITII..0 .•,.11 ••.•• ---CHULITNA •.-8.TllfTllua.4.1I11 ••.•• -'-CHULITNA •.-IUII4 TIIM 4.4,1111 ••.•, I MAY I ~1 .JUNE III I JULY III I AUG 1983 I~I SEPT III I OCT I I~I NOV SOURCE:ADF a G 1984b Mean dally surface water temperature8 collected during the 1983 open water se8eaon at Maln8tem SU8Una River at Parka Highway Bridge -Site 3 (RM 83.9).Malnstem SU81tna River at Talkeetna FI8hwheei Camp (RM 103.0).Talkeetna River -Site 2 (RM 97.2.TRM 1.5),and the o'Chulitna River -Sille 2 (RM98.6.TRM 0.6).Site 3(RM 98.6,TRM 2.4).Site 4 (RM 98.6.TRM 4.4). DAll Y TEMPERATURES OF,'MAINSTEM SUSITNA RIVER, CHULITNA RIVER AND TALKEETNA RIVER FIGURE E.2.2.86 16 15 14 13 12-0 !..II bJ 0: :;)10...~ 0:9 bJ 0. '::E 8 bJ... 0:7 bJ...6 ~ ~5 4 3 2 o NUN DAILY SURFACE WATER TEMPERATURE -'-'-YEHTNA R.-SITE:2 ITRM •.O,RII 28.01 ~-~L NS ABOVE:DESHKA R.r RII .1." _.•-MS AT SUSITNA STATION C RN 211.1' I III il III I'III I III I 15 I III I MAY JJNEi JULY AUG SEPT OCT NOV I !1983'! I i I 111Ien dally eurfece wtter tempereturee iCOlle,ted durln'S the 1883 open water eeeeOIl,el the Ventne River -Site 2 '(RM 28.0,TRM 4.0),Malnetem Sueltne River a'bove the Deehka River !..I!:! (RU 41.1),and Malnetam SueltnaRlver at Sueltna Station (RM25.8)."I I .I .'.!! !i ,! TEMPERATURE OF MAINSTEM SUSITNA RIVER 'AND YE'NTNA RIVER !SOURCE:1984 b ,/!,:;p,.... ,~' FIGURE E.2.2.87 112'1,10108 ,c. LEADING EDGE O'F'ICE, A1'1':40PM 0""12/2/80 --,.:.,~,:..:",-,,:.. RIVER MILES ----WATE~'SURFACE PROFILE 'Ut EARLy'"OCTOBER.19aO ---~A~ER"SUR~ACE~ROF.L~DURI.te ICE COYER -FORMATION -DEC.'2,1980 ' -"._,",'.:...."..'"•.,..:'~'."."".~:_,L; - - - --'WATERSURFACE'PRO'ILE'"DURING'ICE'COVEll FORMATION ~DEC.3,1980 ,,_;~i;_~"'."",,:.".;.;:.~_.- 4$0 430· 470 370 ..a..---~-....----___......_---_....----_---- 102 ! J J J 1 -l - J WATER SURFA,CE.·PROFILES ON.SOSITNARIYER AT CHASE I SOURCE:RaM 1981 8 FIGURE E.2.2.88 (PAGE I OF :n. 1 .J. 1 1 t ] ..J 1 ,J 1 1 .J ] ) J J J J- 1-FIGURE £.2.2.88 (PAGE 2 OF 3) , ~ 'LRX-aOS80 ••0 ____-=---..:·~WiUR,.ijRrFACiI["oJ:iLE'JN .NOVIlEIiBER.-."..,...'_..".~.._.....'."',<.."."".....:...,",....~....'.. ____'WATER:SURFACE PROFILE DURING ICE ., COVi!."FORIIATI()N ON DECEMBER 8~.1880 800 .S40.L---..;...;.....__---__----__---......r-----......---_ .t2a\"a.e !,...!~. ',IIVER~ WATER.'SURFACE PROFILES ON THE SUSITNA RIVER N.EAR lRX~29.'-.'-.....,~'._,'.....~',-.,(,._..--:.".',.,',..;. SOURCiL:R lUI 1981 .. 1,a. ___'W~*E~SURFACE:PROFiLEB,N OCTO!BER •..._....,......,....- ___WATER SURFACE PROFILE DURING ICE COVEB(FORIlIATBON 12112/80 '''"'WATER''SURF'Aca'ELffvATION; ,;_'..;,.'..,._..'.",_>..~.:-.~.."'__,__~...•~",;".,,:;'.'."'"'.~~::'.,:.i,: ,RIVER MILE,S ."'T'~'_.:...',•••_•••.•__••',w·. 700 ••0 .80 .70+-----r-----..------r-----,....--------- .tas' 1'1 fl'-[I ..J W'>W ..J 11 c( W '"z, 11 c( W :& w r I >r I 0,m' c( r 1 ., r I ... r J u.I I -, Z 0-... CC>W ..J W ] 1J 11 J cr.•••••~jlo~, L~xE4a' i.RX-44: LRX-45 LIII X,"7.4 '., 'LRXF'4." ,,.,',..~., '''~,:Jl~:4,,:, :"j:V.i~II",.'",. ~~:~_:;1"·; 1$.~,480 1a •••• ta •••• t!$i~,1., -i~i~~1'~ ,"~'~,~_.,r:', .7q,=."", .7.~.2 •83.25 .87.,17 .'-.\....';,..,:~ .....,47 .et'70.._.,.~.,-I,'!:,_'..,. ,.7'4.a2~ ••2.57 ,.s'4.a • ••••a1 ••7'.08 ••0;....:; 'i!~.~j', )~'~,Plll) ,'I;1:20AM) (11 :451'11) ,f 12:20PM) U2:a5PII) l~i05PII) (885.'".. 1:40 PM' J J W'ATER'SURFACE PROFILES ON THE SUSITNA RIVER J I SOURCE:R a III 1981 e 'NEAR GOLD""CREEK' FIGURE E.2.2.88 (PAGE 39F3 ),, .. ~. :e 84 80 76· 72 68 64 60 - 56 -.-..J 36 12 L___--L__~______IL____..a..._____I 10 20·30 40 50 DISCHARGE,1000 CFS AT.GOLD CREEK RELATIONSHIP BETWEEN ARMORING SIZE AND RIVER DISCHARGE J II '~1 ] r r_ )1 1 I AT GOLD CREEK -., I I I I I I I I I r------.., I I I I . J I,..._...J I I I I I I I I I _ ~AT SUNSHINE I r- I JAN FEB MAR APR:MAY JUN JU.L AUG SEP OCT NOV DEC 100 700 200 500 300 400 600 '·1II (J ) .J SUSITNA RIVER SU PENDED EDIMEN C NCENTRATIONS FIGURE E.2.2.90 o e C -:)' .0°.0 ~ ..'.4.'/. .'/.\././.'/...'~~./-,-'/".Y'/~/ or/""/.,,/~/.~~.// .~~../.~~.:/.~~.;,/~~.;~;;.oj' /'"..''l / ..../..//..,./'..../ /'..'/ /''..../.,;..,..0·// .//""...'/~,/"".~~"..,./..;,/""....// i+....;;-/.I~•".•,...."".....,,".-.".,;:,:;,' !I ..LEGEND IC~NTWElL ---IGbLD CREEK -.-.-INR.TALKEETNA (~BOVE CONFLUENCE) -x-x-ISUNSHINE ' ••••••••ISl,jSITNA STATION 100 w 90 N-(J)80cw.... e(70 0-C Z 60- IZ e( 50::I:.... a:w 40 Z-LL ....30 Zw 0 20a:wa. 10 0 .001'.01, PARTICLJE SIZE,MM .10 1.0' s.USPENDED!SEDIMENT SIZE DISTRIBUTION SUSITNA RIVER,:.', ---......-,--:-.~._-----------_.-_..~~~, :~.~~--'~ FIGURE E.2.2.91.~~---'~-------_.._----~":..,,,:. ~~-.."..-..------- \ ----,-----_..._-.-~'_.-C-. -+--•,----------L,__•__,,---_...-.'-~---'--.....---_..--'--_.-,~.,..---_._~._.--'-_.-....-----.-----",._,,-- ','.-', "-,., 11~~b 1500 S'1.000 •MAXIMUMr-z ~ >0-r--MEAN 0 ·CDcr 500 •MINIMUM:::::lr- .. 0 .' 0 18 27 13 15 21 18 0 4 5 '0 0 3 13 0 I 3 0 0 0 6 NO.OF OBSERVATIONS D V G C T S SO)D V G C T S SS D V G C T S SS LOCATION I I I I I I I I I I I I I I I I I I SUMMER WINTER BREAKUP o DENALI V-VEE CANYON G-GOLD CREEK C-CHULITNA T -TALKEETNA S-SUNSHINE SS -SUSITNA STATION I DATA SUMMARY -TURBIDITY SOURCE I USGS AND F FIGURE E.2.2.92 8M . :'., 200 11:.V 150 0 ~/~ 100 ... 0 ..... /l( 80 11:./ ~ 60 40 11:./ / /~ 30 /a -20~V z V NOTES:....T :::O.l85(SC)0.998)D V!::,2:0.920 iii ~T=TURBIDITYa:: ~IO IA/SC=SUSPENDED SEDIMENT I--V'"'CONCENTRATION 8 11:./ / / 6 1/ /-G.i--1-L __ --- 4 / :5 / /----2 ~._._.-,-,.-,-,--LEGEND:--- -----~-_.__._._._----_._._-7------~~----_.._~._----_..._--~.._----l:)---;;;SUSITNA-RIVER-NE-AR-CAN'fW~I,;;l,;;-------_..._..-1----- o -SUSITNA'RIVER NEAR CHASE X -SUSITNA RIVER AT GOLD CREEK I I II I 10 20 30 40 50 60 80 100 200 300 400 500600 800 SUSPENDED SEDIHENTCONCENTRAIlONJrnO!I) TURBIDITY VS. SUSPENDED SEDIMENT CONCENTRATION SOURCE:PERATROVICH.NOTTINGHAM AND DRAGE 1982 FIGURE E.2.2.93 ,1 1 j J } 1 '\ '\' '.,1 \ I \ I ::,! -,'f \ I,I J l ') I ) IS 1"\ III ,QQQQ e.- O v w (!)ZQQQQ ~-<:r:u CI) H IQQQQa ra GQQ ..raQ ::) t- Z-,QQ >- J- H2QQ0 H £0 ~I Qll ::) t-,.,, / 1\,'it I',\!'..I "",,',,-',,,-,1,1-\''"/'TEMPERATURE,I , ,",,,_,...... I \l "'I'"t '--I',-~\ 1'--1 ...."I",,... "I v,I'I,''-,,"'\"..."\:'...'\.'--'-",'~"-I ~"- ,'i \.. "I I 'I Ii:,.\,'• :,'\too ,...' J\.:\"'~•.'",d.I'"",'I 'TURBIDITY I """~I~'\"•,,:..,'t t.1 ,:.l :',' I I r."......". •'I''",,,..',\:\:'J II \',• ,,U I • l \1·'~',,\•J .....1 '\ .,-:\1'-''\ ,,I \•..:~"'''J '.~l\'\I A '....",....J \,•.l"/\ ..-.....,...J '. ra .. .Ira i 4QQQQ lJJ 0:: ~ 0:: W Q. ::s lJJ... oo-- ra Iii iii iii I I Iii iii iii i '8 D :la MAY ...~za u JUNE •II ••" JULY 1983 ..II.cc n AUGUST Ii Ie 10 C8 SEPT. MAINSTEM DISCHARGE,WATER TEMPERATURE,AND TURBIDITY RECORDED AT THE GOLD CREEK STATION,SUSITNA RIVER SOURCE:ADF a G 1&84 c FIGURE E.2.2.94 Range d a ~ 251 ../\M~7511l Percenlne PercenlU, 50111 Percentile X-Dolo not Included In ,taUetical anall/ele . 0:6 300 400. TURBIDITY (NTU) J l!jftl.~Jt;Wj[fl 0:80 I I ~n=6 i I I I I•••1 •I .'1 I---H r-..·-----•I 0=7 • !!•fmr:-------..II'••,•• I i •'----II I·'· I 1 • 0=8 1 iIT-'-·--~------I .-'0 , I • !ill RM PERIOD Moin.tem:(1983) Partl,HlgllwlIJ Bridge OS.7/11"0/1 Tal..elna FI,".II,el Co.,105.0 6/1a-1I1S .CU"_CLRX241 020.0 8/11it"I0111 LRX2G 82U 8/15-11/2 •60ld Cre,1I Cup 85 •.'flIIa-U/2 . LRX 157 042.0 1/17-11/2 Bacb Eddl/BIOD!"S-IO/1 lbelow Devil Canl/onl Tributary: Talll.,tna River ITRII 0.11 87.1 7/l1-IM Cllulitna RI..,«1 AM 0 .••98.0 7!la-IM Indian RI"er cYRM 1.01 i1l8••7/li'1W1I r 0 '.:. I I I I !.. TURBIDITf(DATA SUM,MARY SHOW~NG RANGE,25th,50th (MEDIAN),I ', AND 15th PERCENT[ILE FOR M'AINSTEM AND TRIBUTARY STUDY I .i .-SITES. I SOURCE:ADF a G 1984 c .- ~. FIGURE E.2.2.95 ._---~-.;. ~.~- r---~ ~u ~ '!lOG i a ~ ..300 .., ='200 ~.. :!I ~.'100 Z III...,. ·4110 ·0f ,..\,. !.n,\.'..\."\,",....1 ........DISCHARGE •,.."\1 .1 \./ ,1\.,'\.I \i .Y"......\.".\..,......1\"..,'._.I \.,....,...../....,.\,.",,''.....-..... "-.......... ,1\\I ,..., \..\I,--I '\,...,"\j ..,-,...\. \ L_"r ..\,"......, ,\._1\...\.\ \"\,\ \ \,/....,SURfACE/WATER TE&lPERATURE J \ \,\ \,\ \ I , \-, \ \ \ ,,, 1\, '\'\'IV \',,! ,"'''''I,.,, ,1 i i ."if\.'i 'I \.,,..\..,,\'" .''." \ ,"...."\,1 ",,,.. ....... '...,\,,._.J \,....J I~ III 4:>g Jz ~2 o U I <>oo --1\1... IE !l...... :II ... ~6.. ~!l ...u it IE:> III u t I~ ~.) :>....12.....i II... ..10· ...~ '".. ~ U III0&...... !; 1I 10 o I i I Iii i I I I I I I I I I I I I I ---I I I .---------.---------.--------.~J--I .I.I I -1-----.----1 I~20 211 30 4 9 14 18 24 211 ..II 14 III 24 28 5 I 15 II n 28 2 7 12 17 22 27 2 7 12 17 Z2 n I I--MAY---I--··--JUNE-----l....----JUlV -.AUGUST---...----SEPTE...IlfR----j-~·-OCTOBER ----I 1983 TURBIDITY.WATER TEMPERATURE.AND SUSITNA RIVER DISCHARGE VERSUS TIME AT THE TALKEETNA FISHWHEEL CAMP. SOURCE:ADF ..G 1$84 c FIGURE E.2.2.96 NOTES: 1.DISCHARGE WAS MEASURED AT THE USGS GAGING STATION AT GOLD CREEK 2.WATEA TEMPERATURE AND TOA810lTVWEREMEASURED AT TA'lKEETNA STATION ..FI.GURtLE.2.2.97 '"400 ~ Z....... 300 >-I- 200 Ho H 100 ~ ::> o I- 500 I 0 17 24 31 7 14 21 28 5 12 1Sl 26 2 9 16 23 30 6 13 20 27 4 MAY JUN JUL AUG S OCT-,......•...-...."._~_....._--".',',..•'._--_.--,-....._~_..__._.."..._._'.._~..,.'"...-'--',-.,.__.__.,.._--_._-~_.._--"-"---------"-._---_.- o 5 IS eeeea -",seeee CO-~4eeee' t5 3eee~."-0::;-'-.- «o 2eeee (f):g ..leeee j j I 1 j ) ] l' J I i I j I I 1 MAINSTEM DISCHARGE,WATER TEMPERATURE,AND TURBIDITY IN :1 THE MIDDLE REACH OF THE SUSITNA RIVER,1984..l :1SOURCI:ADI".a.G.1964 c . SOURCE:AOFaG 19$4c -::> ....0 5zWz-xo )-0-....«!:: - w 0 J .N=4 N=5 N=700::Z N=5 N=6 ·N=7 N=IO I I I~~8 ::c :J::I:::c~::>0 WHISKERS t SLOUGH 8 I SLOUGH SA I SLOUGH SA ~SLOUGH 9 I SLOUGH 20 I SLOUGH 21 I SLOUGH (NW CHANNEL)(NE CHANNEL)(NW CHANNEL) RANGE OF TURBIDITY DURING UNBRE.ACHED AND BREACHED CONDITIONS FOR SIDE SLOUGH HABIT A TS. FIGURE E.2.2.98 400 N=6 N=7 N;;7 N=4 N=6 o P : I :1 I 1 I 100 / z 300- o--:;:)1-1--ZO-~>-0 !::c 200ewco:r 0::0:;:)« t-W 8i -.:;:) I-Q 5zwz-:ro>-0-«t-!::w is N=4e0::z N=2 N=3 N=Im~B :J:I :I:•(no observations)~;:)0 MAINSTEM 2J MAINSTEM 2 SIDE CHANNEL 10 UPPER SIDE CHANNEL 21 I SIDE CHANNEL SIDE CHANNEL SIDE CHANNEL II (NW CHANNEP (NE CHANNEL) i.. RANGE OF TURBIDITY DURING UNBREACHED AND BREACHED,." I I i CONDITIONS FOR SIDE SLOUGH HABITATS. ,......,\) I SOURCE:AOFIU 1984c __-.,..__.~.__FIGURE_E~.99 TURBIDITY (NTUs) r-J E 1.404 .JEUPHOTICZONEDEPTH-0.643 +0.0177 rr7 f rr =TURBIDITV IN NTU'S 4.0, ,..,. 5.0; 2.0 3.0 o.o-t~~o 390 490 590 690'790 .890 990 topo 0.5 1.0' ',~en a: w t- W ~ ""::t t- o. Wc wzo N :;..r.~~ o i!o J: :0. ,::) ,UJ 6.0 AN EMPIRICALLY DERIVED,GENERALIZED RELATIONSHIP BETWEEN TURBIDITY AND THE MAXIMUM EUPHOTIC ZONE DEPTH (1.0 %P.A.R) SOURCE:E.WOODlr'TRIHEY AND ASSOCIATES 1984 b FIGURE E.2.2.100 -MEAN •MINIMUM •MAXIMUM NO.OF OBSERVATIONS LOCATION BREAKUPWINT,ERSUMMER i I 15.8I I I I I 14.0 ! I I I I I I I I I I I I 12.0 .1 i I I ! I ; 10.0 8.0 ; I I I I ~I 13 .- 0 7 19 0 29 5 0 4 8 0 15 '3 14 0 I 3 0 4 0 4 0 V G C T S S~I 0 V G C T S SS 0 V G C T S SS I I I I I II I I II I I I I I I I I, "0.e.... zw ~ ~ Q W ~ ~eno IA. O-DENALI V-VEE CANYON G-GOLD CREEK C-CHULITNA T;-TALKEETNA S-SUNSHINE SS -SUSITNA STATION •SOURCE J USGS AND R 8 M NOTES:...Ii....: I.A.CRITERIA'GREATER THAN 7mg./I.,BUTIt-J NO CASE SHALL DISSOLVED OXYGEN EXCEED 17'mg./I.(ADEC 1979). I.B.ESTABLISHED FOR THE PROTECTION OF ANADROMOUS AND RESIDENT FISH.i . i i D4TA SUMMARY~DISSOLVED OXYGENI:i ;i FIGURE E.2.2.101 [--J -~-_._-~--~---.-----~_. ----~-~--'-~--'-~-~ 120 I.A.- 100z •MAXIMUM0I-.. ~ 0: ::::>-MEAN~ Ul :::!:!•MINIMUM080 zw C>>-X 0 0 W ~ 0 60 -Ul Ul 0, 0 7 15 0 8 2 9 0 4 8 0 6 3 7 0 I 3 0 I 0 2 NO.OF OBSERVATIONS D V G C T S S;:,D V G C T S SS D V G C T S SS I-LOCATION I 1 I'I I I 1 1 II I 1 I 1 1 1 I SUMMER WINTER bREAKUP C-DENALI V-VEE CANYON G-GOLD CREEK C-CHULITNA T-TALKEETNA S-SUNSHINE SS-SUSITNA STATION NOTES: I.A.A1TERION:THE CONCENTRATION OF TOTAL DISSOLVED GAS SHALL NOT XCEED 110 %SATURATION AT ANY POINT.l ADEC •1979). I.B.STABLISHED FOR THE PROTECTION OF ANADROMOUS AND ESIDENT FISH. DATA SUMMARY-DISSOLVED OXYGEN 0/0 SATURATION SOURCE I USGS AND ~aM 'FIGURE E.2.2J02 , 0,:":;:.:....'~'~~....,...,,'t_~.:"~'t ~_,.,..,,.... I , I ;I SITE RM PERIODn' Malnar.;;;--«1983): Po ...Hlg"..a,Brldg.15..7/l1S-1O/1 l- i Taille.lna .,.."."..1Comp 105.0 1/IZ-II/3-1 i.I Curr,eLRX 24 I 120.0 eAS-IO/d I I LRIC 2S 125.!1 6/1ll-1i/2-I i I i Gold Cra.1I Cdmp 138.8 "/12"11/2-1 i I LRXll7 1420.e,"-1I/2-1 I I Bacll·Eelcl,1500 7/8.-10161Ibolo.o.vll Can.anl ! I I :~I i I Tributary:!i ..I Ta ....t"a RI.or ITRIIO.ISl 17.'7/!IS-KVI I Chulitna RI.1f eTA"0."1 98.0!7/15"1O/1 _I n=7 .;,>;;,,),.n=83 t.I_.,n=8 '1 _n=8 -.....;--_M n=71 -T--+t--n =6 I -I-n~8 Range i • ~21Stla /.\1I~71Stla Perc"'llIe···P.rce"tlie 50tla Perce"tII, IC-Dolo not Included In elatl.tlcai anal,.le. I 18.0•160 ! 14.0 50th (median),and 75th percenti le for I 12.0 , lo.q I 8.0 DISSOLVED OX'1GEN (Rig/It 4.0 [TI ~.Ol I IIIDissohe~oxygen datal s~mmary shOWing range,25th, mainstemjand tributary water qual ity stu~y s'ites !i !I I I.I I I ! DISSOLVED OXYGEN DATA SUMMARY iii! SOURC.E:ADF a G 1984c FIGURE E.2.2.I03_._- I :-.:.'-L .--'. §ITE RM ~ Molnstem:(1983 » Po".Hlgh.a,8 idgo 8S.8 1/IIS10;' Talll..lna fl.lI...I CCInIP 103.0 6/12-11/3 Curr,fLR>la41 110.0 6/8-10'" L~)l 291 115.3 6/15-11/2 Gold Creell Ca.136.8 6/12-11/2 LR'"j 142.0 CV11-11/2 Doell Edd,160.0 7/6-1Q/B lbolow Oovil Conw nl Tributor,: Tolll ••lna RlverlfTR ..O.B1 87.1 7/15-IM Chuillno Rivor elr""0.6)98.0 7/IS-WI ~ 70 80 ---+-n=7 nll13 ------01-nlll I -+-Rill ___n:71 ~n=1 -+-n=5 --+-.11. ---~n=1 I I I I 90 100 II 0 120 DISSOLVED OXYGEN (%SATURATION) 1 130 Range i • ~ 2IU ../\..~15... PerculHe Percenllle 50...Percenllle X-Palo nal InCluded In Iiallellcal anal,lll. 1 140 SOURCE:AOF &G 19f14c Dissolved oxygen percent saturation data summary showing range.25th.50th (median).and 75th percentile for ~ainstem and tributary .water quality study sites. DISSOLVED OXYGEN DATA SUMMARY FIGURE E.2.2.104 • • • • •• (0/0 SAT)=105.8 +0.251 (DISCHARGE)' 1000 115 •iii I I ,:I i I I:I I I I I I I I I I I I I -. Z0 ~ ::::l ~en I-z LlJ 110 ~• ffi ••• 4.••....•I)en ••Il ~I)•~•••0 LlJ ~~•en •en •0 I) ~r ••l-• II • • II 302520 DISCHARGE I(1000 eft) I I ,III III II I I I ,i I I ,I I II I~I ffi 10 TOTAL DISS04V~D GAS (PERCEINT SATURATION)VS.DISCHARGE FIGURE E.2.2.105 '-~'~' /'"' I..--..:--.-' 120 c::110 ~109-e 108 .- ;:)o 107 (/)106-c::cu 105u...cua..104 103 r 2 :.:.98 -b=.054 r 2 =.96 ~=7 -b=.082 r 2 =.97 102 I I I I I I J ! 5 10 15 20 miles be low Devil Canyon 25 30 35 SOURCE:ADF 8 G 19$3 c.' RELATIONSHIP BETWEEN GAS CONCENTRATION AND DISTANCE DOWNSTREAM OF PROPOSED DEVIL CANYON DAM SITE FIGURE E.2.2.I06 I I I I I I I I I II'I I II I I I I I I I I I t-II.I 0.6 - ~ 0.4 I I I I I I I I I I I'II I I I I I I I I I I I I I I I I I I I I I I I I I I I I:I I I I I I I.I I I II I I I I I I I I I I I I I I I I I I I I I I0 •MAXIMUMe.... ~.... (f)I I I I I I I I I I II IT I I I 1./I I I I I I I I I I I I I I I I I I I I I I!I I I I I I I I I I I II I I I I I I I I I I I I I I I I I I t I I I -MEANi 0 ::J: Q. 0.2 I I I I I I I I I I II I II I I I I I I I I I I I I II I I I I I I I I I I I '1 I I I I I I I I I I I II I I I I I I I I I I I I II I I r I I I I I (f)•MINIMUM0 ::J: Q. ...J.:I I I I I I I I I I I I I I I I I I I I I I I I II I I I I I I I I I I I I I I I Ii I I I I I I I I I I I II I I I I I lAO~ I.A.o:cr NO.OF OBSERVATIONS LOCATION o 7 S SS o 6 C T ".,. SS -SUSITNA STATION aREAKUP 3 V G-".,. S-SUNSHINE 4.AT SUNSHINE.2 WINTER OBSERVATIONS WERE LESS THAN 0.01 mg./I. 5.AT SUSITNA STATION.2 WINTER OBSERVATIONS WERE LESS THAN . 0.01 mg./1. ~!~ttttl2S~ o i 17 C.T "1iTT WINTER i II G62~0 4SS'0 V III rllll, 23 T o C SUMMER .. :~ 10 23 V G II I I II 0 D-. i O-DENALI V-VEE CANYON G-GOLO CREEK C-CHULITNA T +TALKEETNA ! NOTES:! I.A.CRITERION:LESS THAN 0.01 mg./I.FOR ELEMENTAL PHOSPHORUS (EPA 1976)."i I.B.ESTABLISHED TO PROTECT FRESH WATER AQ4ATIC ORGANISMS. 2.AT VEE CANYON.4 SUMMER OBSERVATION$.2WINTER OBSERVATIONS~ AND THE I BREAKUP OBSERVATION WERE LESS THAN O.O~mg./I.i 3.At GOLD CREEK.6 SUMM~R OBSERVATIONS.3iwINTER OBSERVATIONS. AND I BREAKUP OBSERVATION WERE LESS TI~AN Q.05mg./I. SOURCE:USGS AND RaM QATA SUMMARY -I TOTAL PHOSPHORUS FIGURE E.2.2.107 ~-.'--------''~ --- ,-----_.--- _._-_.~--------~.-- 0.6 .- "-"0. .! a.. C/)0.4 ED MAXIMUM<t w ti :I:..MEANa.. C/) 0:x::a..ED MINIMUMo0.2 :I: I- 0: 0 0.0 0 9 27 0 II 3 I 0 4 8 0 4 I 2 0 I 3 0 0 0 I NO.OF OBSERVATIONS D V G C T S S;;,D V G C T S SS D . V G C,T S SS LOCATION I I I I I I I I I I I I I SUMMER WINTER BREAKUP -DENALI V-VEE CANYON G-GOLD .CREEK C-CHULITNA T -TALKEETNA S-SUNSHINE 5S -SUSITNA STATION NOTES I I.NO CRITERION ESTABLISHED.3.AT GOLD CREEK,13 SUMMER OBSERVATIONS WERE LESS THAN 0.02mg./1. 2.AT \EE CANYON,7 SUMMER OBSERVATIONS WERE LESS THAN 0.05 mgll.2 WINTER OBSERVATlONS AND 2 BREAKUP OBSERVATIONS WERE LESS 2WI~TER OBSERVATIONS AND THE I 8REAKUP OBSERVATION WERE LESS THAN THE DETECTION LIMIT OF 0.01 mg./I. THA N THE DETECTION LIMIT OF 0.01 mg./1.4.AT SUSITNA STATION,THE 2 WINTER OBSERVATIONS WERE LESS THAN 0.02 mg./I. DATA SUMMARY-ORTHOPHOSPHATE SOURCE I USGS AND 8M.FIGURE E.2.2.108 I 3.0 ..... ....... 0.e-z •MAXIMUM en« z I I I [TTT I I I I I IT I I II I I IT fT11 I II I I r [TTTT/I II I II I I I I I I I I I I II I I I I I I I I I I I I I I I I I I I I I I IIJJ -MEAN (!) 0 0::...1.0 ' I I I I I I I I I II I I I I II I I I I I iii III I I I I I I I I II I I I 'I I I I II II I I I I I I I I I I I I I I I I I I I I II I I I I I I •MINIMUMz IJJ ti 0::I...I Z ii:II I: 0.0 NO.OF OBSERVATIONS LOCATION osso S S5 -SUSITNA STATION 9 0 10 G C T I II I I BREAKUP 2 VT- S~SUNSHINE' It-H+tlsstiiTtD 3.AT GOLD CREEK,6 SUMMER OBSERVATIONS.2 WINTER OBSERVATIONS AND 2 BREAKUP OBSERVATIONS WERE LESS THAN THE DETECTION LIMIT OF 0.10 mll./I. o S 41 II Ci T-!ITT WIN1!ER 30 GO~I.I:.•34SS.D V I ' 31 T 6 C SUMM,ER 19 71 V G TTTT I I I II I II D I ! O-.DENALI V-VEE CANYON G-GOLDI C~EEK C-CHULITNA t -TALKEETNA NOTES:..I . LA.CRITERION:LESS THAN 10mo./L (EPA 1976).1 I.B.ESTABLISHED TO PROTECT WATER SUPPLIES;. 2.AT VEE CANYON.5 SUMMER 08SERVATIONSJ 3 WINTER OBSERVATIONS, AND I BREAKUP OBSERVATION WERE LESS THAN THE DETECTION LIMIT OF 0.10 mo./I:' I DATA SUMMARY,-NITRATE NITROGEN I j SOURCE:USGS AND RaM FIGURE E.2.2.109 "------'....~'__I I --_.-------_..-- ----~~-- _.------~.--'. ,, , -- 3 ,.....-2cl •MAXIMUME...... 2 (f) <{-MEAN ,2 LU ICJaa:: I--2 •MINIMUM ...I -- <{ I-a 0I- ·OBSERVATION 0:9 10 0 ,2 2 22 '0 '3 6 0 '3 '2·'II 0'!'2 0 I 9 -6 0 V G C T 6 66 0 V G C 'T .6 66 0 ,V G C T S'66 I I I I I I II I I I I I I II I t I I II I I I I I I I I I SUMMER WINTER BREAKUP 0-OENALI V-VEE CANYON G-GOLD CREEK C-CHULITNA T-TALKEETNA 6-SUNSHINE 55 -SUSITNA STATION No (riterion established DATA SUMMARY-TOTAL NITROGEN SOURCE:USGS AN RaM FIGURE E.2.2.1I0 . 300 ..... ....... 0-E '.....en 0~200 I I I I I i I I I I I I I I I I I 1I I I I I 1 I:I I 1I I 11I I I I.L.I I I I:I I I I I I I I I r I I,I I I'I I I I I I I I I I I I I I I I 1 1'1 I •MAXIMUM en 0w ~[]I I I I I I I I II.II I I I I I I I I I J I I I I I I I I J.l IT I I I J!J 1 I I.I I J.I I J J I I J I I J I I I II I I I I II I I I I I I -MEAN 0en ~ 0 100 •MINIMUM .J ~0 I-.- 0 H-H-+i 0 10 59 0 39 8 ~41-H++0 4 23 0 19 4 20H-+-H0 I 8 0 10 0 7 H-H-H D V,G C T S ssrtTtt 0 V G C T S sstttTt D V G C T S SS 'I I I I I I I I I I I I I I I I I I I I I I I I I I I I:I I I I I I I I I I I I I I I I II I I I I I I I NO.OF OBSERVATIONS LOCATION SUMMER i WINTER BREAKUP O-DENALI V-VEECANYON G-GOLD :~R~EK C-CHULITNA T~TALKEETNA S-SUNSHINE SS -SUSITNA STATION I NOTES:, I.A.CRITERION:1,500 mg./1.(ADEC 1979)./ I I.B.ESTABLISHED TO .PROTECT NATURAL!C0NDITIONS OF FRESHWATER ECOSYSTEMS (500 mg.~1.1$THE CRITERION FOR WATER SUPPLIES).:' DA1A SUMMARY -TOTAL DISSO,LVED SOLIDS SOURCE'USGS AND RaM ----l- FIGURE E.2.2.111 -------' ,----_.- .~-_.~~--~~~~ 467 400 ~ 0 0 10 N !d:300 E •MAXIMUM ~ <II 0 oJ::-MEANE :::J ~ >- !::200 •MINIMUM ~ I- 0:::> 0z 0 0 100 32 -NO.OF 'OBSERVATIONS18298114739273537531322I39 2 18 0 7 D V G C T S S~D V G C T S SS D V G C T S SS LOCATION I TT I TI I I I SUMMER WINTER aREAKUP o DENALI V-VEE CANYON G-GOLD CREEK C-CHULITNA T -TALKEETNA S-SUNSHINE SS -SUSITNA STATION N(TES: I.NO CRITER ION ESTABLISHED. DATA SUMMARY -CONDUCTIVITY SOURCE I USGS AND 8M FIGURE E.2.2.112' 1 . Ronge S i ~ 211111 / \U~7&11I PerclII.lI.Perclnllll 50111 Perc••me JC-00'0 nol Inc.uded In Ilollltlcol ono',III. . I I I 210 I 180 I •n=5 ~n=83 ~•81=7 I +-----~Ib =8 -1-.-.---n=6 -I_n=8 I • I n =8 ----~~0=79 i I.n =8 X ! o 3~I i ~!~---'-~~.I I~O I~O I :CONDUCTIV lTV Ii I Ii,I'.i i iCONDUCTIVITY DATA ~UMMARY'SHOWING RANGE,25th,50th (MEDIAN),A~D 75th PERCIENTILE FOR MAINSTEM AND TRIBUTARY STUD,Y SITES !!!.H m!PERIOD Moinslem:(1983 » po,"e "IO"war B.ldQe 8!1 .•7/1S-IO/I TolleeinG Flehwhoel Comp 105.0 6/12-'1/5 CUffrlLR1l241 '20.0 G/.a-tQfll LR1l29 '25.5 6/15-n12 Gold C'loll Camp '!l6.8 6/12-U12 LRIC 57 142.0 G/17-'1/2 80cll Eddu .UOO 7/6-1O/'5 (below:Olvll Conronl Tribulory: Tol .....no RlvI.ITRM 0.&1 87.1 lIllI-toi. Chulitna RlvI.ITRM 0.61 9B.0 Vis-toil SOURCE:AOF Ii G 1984c ---'--~,.~ FIGURE E.2.2.113 , -,--_.~- --------------',----'~-~--'-_.----""'---..<_____'·U_._ 60 }40 •MAXIMUM.-. .......c.e--MEAN IlJ I- ft •MINIMUM...J 20 ;:)en 0 - II 19 78 6 62 9 25 3 4 33 4 29 4 21 I 2 9 0 16 0 7 NO.OF OBSERVATIONS 0 V G C T S S~0 V G C T S SS 0 V G C T S SS LOCATION I I I I I I I I SUMMER WINTER BREAKUP O-DENALI V-VEE CANYON G-GOLD CREEK C-CHULITNA T -TALKEETNA S-SUNSHINE 5S -SUSITNA STATION NOTES: I.A.CRIT RION:SHALL NOT EXCEED 200mg'/I.(ADEC 1979). I.B.ESTA ~L1SHED TO PROTECT WATER SUPPLIES. 2.AT G(LD CREEK.I SUMMER OBSERVATION AND I BREAKUP OBSERVATION WERE LESS THAN 5.0 mg./1. 3.AT Tt LKEETNA,I SUMMER OBSERVATION WAS LESS THAN 1.0 mg./1. SOURCE I USGS AND R M I DATA SUMMARY-SULFATE FIGURE E.2.2.114 30 20 I I •MAXIMUM ....... 0. E :10 0 a: 0..J ::I: 0 0 MEAN •MINIMUM I I I I I I I I I I I I I I 2 '9 V G ~~.,. o 16 C T.,.o 7 S SS ~T NO.OF OBSERVATIONS LOCATION WINTER BREAKUP O-DENALI V-VEE CANYON G-GOLD C1REfK C-CHULITNA T-irALKEETNA S-SUNSHINE 5S -5U51TNA STATION NOTES:.I : I.A.CRITERION·.LESS THAN 200 mg/I (ADEC 1979l. I.B.ESTABLISHED 10 PROTECT WATER SUPPLIES.! 2.AT VEE CANYON,3 SUMMER OBSERVATIONS WERE LESS THAN THE DETECTION L1MITOF 1.0mg/I.i 3.AT GOLD CREEK.2 SUMMER OBSERVATIONS WERE LESS THAN THE DETECTION llMll1 OF 1.0 mg /I..! I DATA SUMMARY -CHLORIDE SOURCE:USGS AND RaM FIGURE E.2.2.115 -'-"-- ----_..- ~,_•.._-.~~-"---..----------_..-_._- 60 .... ~40 ."..MAXIMUME..... Q LtJ :i ~aD MEAN 0 U) U) ..MINIMUMo20...... lCI 0..... 2£ :;) 0.J et 00 - II 19 "74 6 61 9 25 3 4 33 4 32 4 21 I 2 9 0 16 0 7 NO.OF OBSERVATIONS D Vi G C T S S~D V G C T S SS D V G C T S SS LOCATION I I I I I I SUMMER WINTER BREAKUP D-PENALI V-VEE CANYON G-GOLD.CREEK C-CHULITNA T -TALKEETNA S-SUNSHINE 5S -SUSITNA STATION" NC TES: I.NO CRITERION ESTABLISHED. 2.(d):DISSOLVED DATA SUMMARY -CALCIUM (d) SOURCE I USGS AND R UI FIGURE E.2.2.116 i I_nnllill III II I i 15.0'•.........1,1 ............"I il I ...........• I ....... 0. E •MINIMUM -MEAN •MAXIMUM I"TT ,.,.Ii...-TTQI~10.0 I ~IoIoIoI -I o I •T' ...:I I,....T TTl'T "1 ell I I :::r ""TIl ~••I ::I I i 1"11"'-1'I.....5.0 II III I I I I I I -'-I I ....U I I2I;:)en 1.1.1 Z (!)<::IE Qol III I I I I I I I II I I I I I T I II I I 1:1 I:I I I I I I II I I I I I II I I I I I I I I I 1 I I I I I II IT I I I III I I I I I II I I II II I:t:t:t=I=t II 19 74..6 61 9 2m: ?IIYI 'II~IITII~II~TII SUMMER I I D-DENALI V-VEE CANYON G-GOLD dREkK i ~-~~~3 ~~2 ':..~~mft~.~.~~I~g Jsm NO.OF OBSERVATIONS IIIIIIIIIII,IIIII·IIIEEEEIIIIIIIIIIIIIIIII LOCATION WINTER BREAKUP C-CHULITNA T -TALKEETNA S-SUNSHINE SS -SUSITNA STATION NOTES:I I.NO'CRITERION ,ESTABLISHED. 2.(d)-DISSOLVED. I ; QATA SUMMARY-MAGNESIUM (d) SOURCE::USGS AND R II M FIGURE E.2.2.117 ~.---1 ~ --~.-~-----~- 30 ..... ~20 CIl •MAXIMUME-0 LLI ~-MEAN0 C/) C/) is •MINIMUMcf10 z-:IE :2 0 0 C/) 0 . II 19 '64 6 61 9 25 3 fJ 27 4 29 4 21 I 2 7 0 16'0 7 NO.OF OBSERVATIONS D V G C T S SS D V G C T S SS·D V G.C T S SS LOCATION I I I I I SUMMER WINTER BREAKUP [-DENALI V-VEE CANYON G-GOLD CREEK C-CHULITNA T -TALKEETNA S-SUNSHINE 55 -SUSITNA STATION ~OTES: I NO CRITERION ESTABLISHED. 2.(d)-DiSSOLVED DATA SUMMARY-SODIUM (d.) SOURCE.USGS AND f 8M FIGUREE.2.2.118 , . I ! 15.0 : ::..... Goe 10.0 •MAXIMUM..... 0w .:; 0 -MEANenen 0 "i2 5.0 •MINIMUM..... 2i ;:). eneng G- ao -NO.OF OBSERVATIONSII196466192~3 4'26 4 29 4 21 I 2 7 0 16 0 7 D V G C T S Sl:l D V G C T S SS D V G C T S SS LOCATION I I I I I I I I I I I I I I I I I I I SUMMER :,'WINTER BREAKUP,,",, D-DENALI V-VEE CANYON G-GOLD ~R~EK C-CH'-'LITNA TJ.TALKEETNA S-SUNSHINE 5S -SUSITNA STATION I NOTES:I : I i I.NO CRITERION ESTABLISHED.,i,I 2.AT VEE CANYON.I SUMMER OBSERVATION AND I WINTER OBSERVATION WERE LESS THAN THE DETECTION LIMIT OF 1.0 mg.!I. 3.(d)=OISSOLVED I :,i,! !DATA SUMMARY -POTASSIUM Cd) i i SOURCE.USGS AND R6 M ,FIGURE E.2.2.119 -'--' -----_.---- ------".~------------- : 170 ..... "1:10 E ~ .-,1200 •MAXIMUMu 0u en <f ..MEANenenwz•MINIMUMfi70 <f:r: 20 -- 19 9 73 6 62 9 25 4 0 33 4 29 4 21 2 I 9 0 16 0 7 NO.OF OBSERVATIONS D V G C T S S~D V G C T 5 55 D V G C T S 55 LOCATION I I I I I I I I I I SUMMER WINTER 8REAKUP D-lENALI V-VEE CANYON G-GOLD .CREEK C-CHULITNA T -TALKEETNA S-SUNSHINE 5S -SUSITNA STATION Ne rES:- I.NO CRITERION ESTABLISHED._ 2.SOME METALS HAVE VARIABLE SYNERGISTIC EFFECTS WITH HARDNESS,DEPENDENT ON THE PREVAILING HARDNESS IN THE WATER.THE CRITERIA FOR CADIUM,FOR EXAMPLE,ARE 0.0012 mg./1.IN HARD WATER AND 0.0004 mg./1.IN SOFT WATER. DATA SUMMARY -HARDNESS l SOURCE:USGS AND RllM FIGURE E.2.2.120 I. , J I 1 i ~ 1 1 7 i i it 111111111111111111111 II I I II II II I I •'MAXIMUM I -MEAN, -t-t-tlt I•I I I I I·"•.I •II I I I I I I I _L I 1.1 I I I I I TlllltllllLIIIIIII.•MINIMUM • I I I •I I •I I I J J I J J I I 1.1 I I I I I I I I I I I II I I I I8.0 I I I rt'»'9.0 :I: Go en... §IA. :I: Go..... ~ 6.0 II 11·111 1·1 I ~1.11·1.111 II III I II:I III 1.1 1.1 III 11111 I 1111 1111 11111 I III III II I III II I II I SOURCE:USGS AND RaM FIGURE E.2.2.121 NO.OF OBSERVATIONS LOCATION I I J I I 16 0 7 T S SS o C J SS -SUSITNA STATION BREAKUP 29 3·20tmt I 2 9 !T S SS •0 ,V GIII " I I I . I I I I I 4 C T 34 G DATA ~Sl)MMARY -pH 6.65 C T ~'T' .SUMMER 19 74 V 16 TT I I WINTER I D-DENALI V-VEE .CANYON G-GOLD C~E~K C-CHULITNA T-TALKEETNA S-SUNSHINE I ' I INOTESIIi .Ii.·.;• I.A.CRITERIA:NOT LESS THAN 6.5 OR GREATER THAN 9.0 pH UN,ITS.SHALL NOT VARY MORE THAN 0.5 pH UNITS!FROM NATURAL CONDITION (ADEC 1979): I.B.ESTABLISHED TO PROTECT FRESH1ATiR AQUATIC ORGANISM;:». I i I ' I II i t::t::t::t:tt ~mti:::::i::i::i::~:)."y ._--''---.";..~ RM PERIOD (1983) 83.9 7115-1011- Talkeetna iahwllllel Comp 103.0 6112-11/3- 1200 6119-10/5- LRX 29 125.3 6115-11/2 -I l( Gold Cree Camp 136.8 6112-1112- LRX 57 1420 6/17-11/2- Bock Eddy 150.0 716-10/5- (below Oev!Conyon) -I-n=1 ---ID-n=82 -t n :8 +n=l X X •n=70 .-J-n=8 +n=5 .' l(n =82 Rangl I i•251"/·\~75t" Pllrcenlill Percentile 150111 PerGOnlll1 x-Dolo nol Included In ,'all,tlcal aoolyele. -I-n=6 ~n:8 Tributor: Talkeelna River(TRMO.5)97.1 Chulitna Rlver(TRMO.6)980 7115-10/1- 7/6-10/3- 5.0 I 6.0 I 1.0 pH ., 8.0 , 9.0 I 10.0 SOURCE:AOF a G 198"c pH DATA SUMMARY SHOWING RANGE,25th,50th(MEDIAN), AND 75th PERCENTILE FOR MAINSTEM AND TRIBUTARY WATER QUALITY STUDY SITES FIGURE E.2.2.122 -- 175 ...... 00 125E It)o S ~ >-75... Z ::i <t :ll: ..J <t 25 I.A~20 •MAXIMUM -MEAN •MINIMUM II ...._. II 16 67 6 60 6 21 3 3 33 4 29 2 19 I I 7 0 14 0 6 NO.OF OBSERVATIONS D V G C . T S S5 D V G C,T S SS D V G C T S SS LOCATION ..LLl.J..J..J.I I II I I I "1'1 T I SUMMER I WINTER &REAKUPII O-DENALI V-VEE CANYON G-GOLD.CREEK C-CHULITNA T -!TALKEETNA S-SUNSHINE 5S -SUSITNA STATION! ' NOTES: I.A.CRITERION:20 mo./1.OR MORE ¢XC,EPT WHERE NATURAL ~ONDITIONS ARE LESS (EPA 1976).I I I.B.ESTABLISHED TO PROTECT FRES~WI!'TER AQUATIC ORGANI$MS. iDATA SUMMARY -ALKALINITY SOURCE:USGS AND RaM .i~ T ~ FIGURE E.2.2.123 30 I I II I I I I I I I I I I I I I I I •I I I I I I I I I I I I I I I I I I I I I I I.I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I -<20 I I II I I I I I I I I I r I I I I I I I I I I I I I I I I I I I I TI I TI I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I "I I I •MAXIMUM0 E I I I I I I I ITTTTTTII I I I II TTT1TJ I I I I I I IITI I I I I I I I I I I I I I I I .0 ~ I.lJ I I I I ..MEAN 0 I I I I I I IX0 0 iliiiiii~i~iTliiiilliiiiTliiiiiilii~iiii~iTT1i~ii'z •MINIMUM010II) 0:: <t 0 I.lJ I.lJ 0:: IL 0 NO.OF OBSERVATIONS LOCATION I I I I I I I I I .~::~::;2::~::y::.;::~ijml~-~'y Ilt::~::1 ~~;t+t+tb ~;g I~~;s SUMMER WINTER BREAKUP O-fENALI V-VEE CANYON G-GOLD CREEK C-CHULITNA T-TALKEETNA S-SUNSHINE SS -SUSITNA STATION NO E: I.NO CRITERION ESTABLISHED. DATA SUMMARY -FREE CARBON DIOXIDE SOURCE'USGS AND R a ~FIGURE E.2.2.124 I ! + ~1 1 1 I: I~1 I 1 I ~,I 1I I,' ~ Tzo IIIa: l§ ,~z C( 'C:»a:o .J _>•_.,~~.._.,~2. •MAXIMUM -MEAN •MINIMUM o I I I I I I I I I I I,I II II I I 1'1 I I I I I,I I 1I I 1I 1I 1I 1 I I 1 I;I I I 1..-1 1'I I I II I II 1I I I I 1I 1I I I I 1I I I I I I I T +TALKEETN,A NO.OF OBSERVATIONS LOCATION o 4 t-I- S SS ".,..,. bREAKUP S-,SUNSHINE SS -SUSITNA STATION 9H-t-f-t0 0 2 0 I sstTtfio V aCT I I I I I 2 S I I I 2 T o C WINTER 4a I I I I I ~MMER I I I I I I 0 0 10 0 3 2 t t-H+t 0 I o V aCT s ssr-tTtto l V II II1I11 III II III I r I t I I O-oENALI V-VEE C~NYON a-aOLO PR~EK C-CHULITNA '1 ' NOTES:i i I.NO CRITERION ESTABLISHED.I I ; ,:I ; 2.WATERS CONTAINING LESS THAN 3.'1>mg/I.HAVE BEEN OBSERVED TO BE RELATIVELY CLE~N (,McNEELY ...01.1979). DAiT4 SUMMARY-TOTAL ORGANIC CARBON !~ SOURCE:USGS AND RaM FIGURE E.2.2.125 -..--.---'~-- 'P"_ -«--~--- -, --~. ._--_.f--------~----,-,--_...--~_..- ~-"-------L __~ '-'-~--',----=>' If) \ 60 ~ ':-co ..s 40 0 •MAXIMUM z <l: ::IE LLJ 0 -MEANz LLJ (!)>-•MINIMUM~20 ...J <l:u ::IE LLJ :J: U 0 -NO.OF OBSERVATIONS081600000 4 5 0 0 0 0 0 I 2 0 0 0 0 D V G C T S S~D V G C T S SS D V G C T S SS LOCATION I I I I I I I I I I I I I I SUMMER WINTER BREAKUP D DENALI V-VEE CANYON G-GOLD CREEK C-CHULITNA T-TALKEETNA S-SUNSHINE SS -SUSITNA STATION NC TES: I.NO CRITERION ESTABLISHED. 2.AT GOLD CREEK 12 SUMMER OBSERVATIONS WERE LESS THAN 1.0 mg./I. DATA SUMMARY-CHEMICAL OXYGEN DEMAND SOURCE:R 8 M FIGURE E.2.2.126 I, 150 .-.en !::! Z ::;) !J 100 •MAXIMUMce lD 00 :::l:-MEAN::;)z ~•MINIMUM0.;I.A~50....... a:: 9 0 0 UJ ::;)a:: I-0 .NO.OF OBSERVATIONS1417f6263034342541314128080 0I D V G C T S S~D V G C!T S SS D V'G C T S SS LOCATION I I I I I I I I I I I I I SUMMER I I WINTER 9REAKUP' D-DENALI V-VE~CANYON G-GOLD CREEK C-CHULITNA T~TALKEETNA S-SUNSHINE SS -SUSITNA STATION NOTES::!1 ; I.A.CRITERION:SHALL NOT,EXCEED 50 UNITS (ADEC 1979).:4.AT TALKEETNA,I WINTER OBSERVATION WAS LESS THAN 5 UNITS•.,...I I.B.ESTABLISHED TO PREV,ENT THE REDUCTION ?F p,HOTOSYNTI:IETIC ACTIVITY WHICH MAY HAVE DELETERIOUS EFFECTS ON AQUATIC LIFE..•I ' 2.AT DENALI,I SUMMER OBSERVATION WAS LES$T~AN5 UNITS.ONE SUMMER OBSERVATI0f:.liWAS GREATER THAN ~.U~ITS.i 3.ATSUSITNA STATION ,2 SUMMER OBSERVATION~AND 2 WINTER OBSERVATIONS WERE LESS THAN 5 UNITS. ,!DATA SUMMARY-TRUE COLORSOURCE.USGS AND RaM FIGURE E.2.2.127 --_-:---"=---.:- ~"""-_..'."'- -"- ---~_.._.._----,"_.-,. ! 3.0 -'6., E 2.0 •MAXIMUM0w d (f) (f)•MINIMUM0 ~ ~1.0~ ~:::>z ~:::>..J <{ 2.A. 0.0 0 10 '6 0 0 0 0 0 3 3 0 0 0 0 0 I 2 0 0 0 0 NO.OF OBSERVATIONS D V G C T S 5S D V G C T S SS D V G C T S SS LOCATION I I I I I I I I I SUMMER WINTER BREAKUii» D-DENALI V-VEE CANYON G-GOLD CREEK C-CHULITNA T -TALKEETNA S-SUNSHINE 5S -SUSITNA STATION NOTES: l.NO (RITER ION ESTABLISHED.4.AT GOLD CREEK,4 SUMMER OBSERVATIONS,2 WINTER OBSERVATIONS 2.A.A Lit ~ITOF 0.073 m9./I.HAS BEEN SUGGESTED BY EPA (SITTIG 1981).AND THE 2 BREAKUP OBSERVATIONS WERE LESS THAN THE 2.8.THIS SUGGESTED LIMIT IS BASED ON THE EFFECTS OF ALUMINUM ON DETECTION LIMIT OF 0.05 mg./I. HUM AN HEALTH.5.(d):DISSOLVED. 3.AT \EE CANYON,7 SUMMER OBSERVATIONS WERE LESS THAN 0.10 mg./I. TWO WINTER OBSERVATIONS AND THE ONE SUMMER OBSERVATION WERE LES~THAN THE DETECTION LIMIT OF 005 mg.j i. SOURr-E,R8 M DATA SUMMARY-ALUMINUM (d)FIGURE E.2.2.128 I... \--,. 30 ~ !:it .! IlJ ...J In <tffi 20~I I I I I I I I I I II I II I I I I I I I I I I I I I I I I I I I I I I I I I II I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I ...J ~~f 10 II I I I I I I I I II III I I I I I I II I I I I I I I I I I I I I I I I I I:I I I I I I I I I I I II I I I I II I I I I I I I I I I I I I I I I z i :3<t •MAXIMUM -MEAN •MINIMUM lA.~0 I I I I I I I I I I II"II I I I I I I I I I I I II I I I I II I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I J I I NO.OF OBSERVATIONS LOCATION I I I o 0 S SSH- I SS -SUSITNA STATION o 0 0 G C T BREAKUP S-SUNSHINE I o OH+HO 0 S sstTtti 0 V T!.TALKEETNA, WINTER I I I I I I I I I I I I II I I I I I I I,I I 3 ()IIIIIO 0 0 0 0 I o I C T SUMMER I, V-VEE CANYON G-GOLO CREEK C-CHULITNA j : I I I I H-H-HO 0 '3 H++HO V G D-OENALI NOTES: I I.NO CRITERION ESTABL1SHEO.i : j ( 2.A.A LIMIT OF 0.073 moJI.HAS BEEN SUGGEST,EO IBY EPA (SITTIG 1981). 2.B.THIS SUGGESTED LIMIT IS ,BASED ON THE EFfE~TS OF ALUMINUM ON HU¥AN HEALTH. 3.(.)=TOTAL RECOVERABLE; DATA SUMMARY -ALUMINUM (t) SOURCEIUSGS FIGURE E.2.2.129 ---'----., ~,--- _..------~------- ._----------------~---.-----_. -~--,--~'-~----'-~-- I 0.30 ~ "-co 0.20E--0w>...l 0 GIl MAXIMUM (J) (J)-MEAN0 ~0.10 •MINIMUM CD--J: I-:::>:e (J) iii 2.A·~0 - 0 10 7 0 0 0 0 0 3 3 0 0 0 0 0 I 2 0 0 0 0 -NO.OF OBSERVATIONS 0 V G C T S S~0 V G C T S SS 0 V G C T S SS LOCATION I I I I I I I I I I T I I I I I SUMMER WINTER BREAKUP 0-)ENALI V-VEE CANYON G-GOLo CREEK C-CHULITNA T -TALKEETNA S-SUNSHINE SS -SUSITNA STATION NOTES: I.NOCRI TERION ESTABL IS HED.4.AT GOLD CREEK.6 SUMMER OBSERVATIONS.2 WINTER OBSERVATIONS. 2A.EPA HI S SUGGESTED AN AMBIENT LIMIT OFO.0035mg'/I.(SITTIG 1981).AND THE 2 BREAKUP OBSERVATIONS WERE LESS THAN 0.05 mg./I. 2.B.THIS SUGGESTED LIMIT FOR BISMUTH IS BASED ON HUMAN HEALTH 5.(d):DISSOLVED.. EFFEC TS. 3.AT VEE CANYON.9 SUMMER OBSERVATIONS.THE 3 WINTER OBSERVATIONS. ANDT E I BREAKUP OBSERVATION WERE LESS THAN 0.05 mg./I. SOURCE:RaM DATA SUMMARY-BISMUTH (d)FIGURE E.2.2.130 I .' r -. Ir0.0030,.1.1 .1 .1.1 ..1 ! ~ "-a.0.0020 rrrTTD:T rr fUTI I II Tn I I I i I 1'1 I I I I I II I I I I II I I I II I I II I I I I I I I I I I I III I I I I II I I I I I I •MAXIMUME.......-0 l.IJ ~-MEAN0eneno1,---tIl-- I .iiiiiiT'iTT'i'iiiiiTiTiiTTTTTl •MINIMUM-:a 0.0010 ~I I:::E i ::II i ;-....~;'- U 2.--4100 .........-..-.~..".-i :0,0000 WERE LESS THAN 0.001 mg./!. 6.AT SUNSHINE,2 SUMMER OBSERVATIONS AN.D THE I WINTER OBSERVATION WERE LESS THAN 0.001 mg./I.- 7.AT SUSITNA STATION,12 SUMMER OBSERVATIONS WERE LESS THAN 0.002 mg./I.THE 9 WINTER OBSERVATIONS AND THE 6 BREAKUP OBSERVATIONS WERE LESS THAN 0.003mg./l.- B.(d)=DISSOLVED FIGURE E.2.2.131 NO.OF OBSERVATIONS LOCATION SS -SUSITNA STATION o 0 2 0 6 G C T SSS Ii I I I I I I II BREAKUP S-SUNSHINE I 9H++t0 0 S ssHTHo vTTT. 0 0 I 0 5 D V G C T I I I I I I II DATA SUMMAijY-CADMIUM (d) 3 13H+++ S ssr-+++-frrrri I I II I I 0 0 3 0 4 o V G C T I I I I I I I I SUMMER I_;WINTER D-DENALI V-VEE CANYON G-GOLD .CREEK C-CHULITNA T -TALKEETNA NOTES:":.,I i I . I.CRITERIA:0.0012 mg./I.IN HAR D WATER AND O,OOO~SOFT WATER (EPA 1975)j 2.CRITERION:LESS THAN 0.0002 1'IKJ./1.(MCNEELyl It ?1.1979).: 3.THE ABOVE CRITERIA ESTABLISHED TO PROTE&T FRESHWATER AQUATIC ORGANISMS.I I 4.AT GOLD CREEK,I SUMMER OBSERVATION WAS LESS THAN 0.001 mg./I. THE I WINTER OBSERVATION WAS LESS THAN :0.003 mg./!. i 5.AT TALKEETNA,2 SUMMER OBSERVATIONS AND 2 WINTER OBSERVATIONS I SOURCE:'USGS ------" ~--rc --~--~-- ,~------..-,,..----.._-,.)~._./.--"'-.---" i 0.005 0.010 0.0030 =...... 0- .§. ~0.0020 al ..MAXIMUMc:t 0:: W>0u -MEANw 0:: -l I.g 0.0010 ..MINIMUM I- ~ '0 ~ ::::i!:1._ ::::l ~02. (}ODOOO ..NO.OF OBSERVATIONS0060106130 0 I 0 5 I 9 0 0 0 0 3 0 6 D V G C T S SS D V G C T S SS D V G C T S SS .LOCATION I I I I I I I I I I SUMMER WINTER BREAKUP 0-)ENALI V-VEE OANYON G-GOLO CREEK C-CHULITNA T -TALKEETNA.S-SUNSHINE SS -SUSITNA STATION NOTES I.CRITERIA:0.0012 IN HARD WATER AND 0.0004 mg / I IN SOFT WATER (EPA 1976>-5.AT TALKEETNA,5 SUMMER OBSERVATIONS,I WINTER OBSERVATION AND 2.CRITERION LESS THAN 0.0002 mg./I.(McNEELY et 01.1979).2 BREAKUP OBSERVATIONS WERE LESS THAN 0.010 mg./I. 3.ABOVE CR TERIA ESTABLISHED TO PROTECT FRESHWATER AQUATIC ORGANISMS. 6.AT SUNSH INE,4 SUMMER OBSERVATIONS WERE LESS THAN 0.010 mg./I. REEK,3 SUMMER OBSERVATIONS WERE LESS THAN O.OIOmg/l.THE I 7.AT .SUSITNA STATION,7 SUMMER OBSERVATIONS,7 WINTER OBSERVATIONS 4.AT GOLD C AN D 5 BR EAK UP OBSERVATION S WERE LESS THAN 0.020 mg./I. WINTER 0 SERVATION WAS LESS THAN 0.001 mg./I.8.(t):TOTAL RECOVERABLE. DATA SUMMARY -CADMIUM (t) SOURCE:USGS FIGURE E.2.2.132 I .' 0.03011 II III II 11I11I III II 11111:11:111 I 11111 11111 :111 II I11111111111111 111111111111111 ~ ........ ~0.020- 0w 3j 0 (J) (J) i5 0.010.-...,... ;, 0 0::2.wa-a- 00 0.000 1 I I I I I I I I wf'I 1.1 I I I I I I I I I I I I:I I:I I I I I I..-: •MAXIMUM -MEAN •MINIMUM I I I I I 10 0 .'3.0 3 3 Imt:0 0 I 0 5 I o V "G C T S S I .0 V G C T S I I I 111.11 I II I II III I IT II I I II I I·'I I I I I , I I 9 H+HO 0 0ssm--Ho'V G I I I I I o 2 0 6 C T S SS..,. NO.OF OBSERVATIONS LOCATION ..SUMMER I I WINTER .D-DENALI V-VE.E CANYON G-GOLO GREEK C-CHULITNA T ~TALKEETNA NOTES:·1 I : I.CRITERiON:0.01 OF THE 96·HOUR LC50 DETERMIN~D THROUGH BIOASSAY (EPA 1976). 2,CRITERION:0.0.05 mg/I (McNEELYetol.1979).I I I•'I., 3,THE ABOVE CRITERIA ESTABLISHED 10 PROTECT FRESHWATER AQUATIC 0RGANISMS. I ! 4.AT TALKEETNA.THE 3 SUMMER OBSERVATIONS WERE LESS THAN O.OIOnig/1. 1 I .'I I,I BREAKUP S-SUNSHINE 5S -SUSITNA STATION 5.AT SUSITNA STATION,6 SUMMER OBSERVATIONS.2 WINTER OBSERVATIONS AND 2 BREAKUP OBSERVATIONS WERE LESS THAN 0.002 mg / I. 6.(d):DISSOLVED. SOURCE:USGS DATA SUMMARY COPPER (d) FIGURE E.2.2.133 ----~ .'----,,-,-,'-'-------~-----~--~.-~-'"---''---..-___J' ~.~._- " 0.30 ~ "- tlI E...... I.LI ..J 0.20II) •MAXIMUM<l:.a:: I.LI>00 I.LI ..MEANa:: ..J ~0 0.10 •MINIMUMI-~ ~ ::J0...... a:: I.LIa.a. 0 02.~- 0 0 6 0 II 6 13 0 0 I 0 5.I 9 0 0 0 0 ~0 6 NO.OF OBSERVATIONS D V G C T S S;;a D V G C T S SS D V G C T S SS LOCATION I I I I I I I I I SUMMER WINTER '8REAKUP o DENALI V-VEE CANYON G-GOLD CREEl<C-CHULITNA T -TALKEETNA S~SUNSHINE SS ~SUSITNA STATION NOTES: I.CRITE ION:0.01 OF THE 96-HOUR LC50 DETERMINED THROUGH BIOASSAY 5.AT.SUSITNA STATION.I SUMMER OBSERVATION AND 2 WINTER OBSERVATIONS (EPA I ~!6).WERE LESS THAN 0.020 mo./I. 2.CRITE RION:0.005 mg./1.(McNEELY et 01.1979).6.AT TALI<EETNA.I BREAKUP OBSERVATION WAS LESS THAN 0.020mg./l. 3.THE A SOVE CRITERIA ESTABLISHED TO PROTECT FRESHWATER AQUATIC 7.(t)=TOTAL RECOVERABLE. ORGM ISMS. 4.AT GO D CREEl<.I SUMMER OBSERVATION WAS LESS THAN O.OIOmg./1. SOURCE:USGS DATA SUM MARY-COPPER (t)FIGURE E.2.2.134 I ,I I ,!; • I I, 60 , i -......IC.,JE;I--UJ 40 I ..J I CD MAXIMUMIXII,« a: UJ I~I -MEANfdi! a:I I ..J 20 I CD MINIMUMi:!I 0 Il-I ~I u I I.L.--I Z I 0 I i ~I.A·-"'O-I ,·1 I .. I I I I -I 0 0 6 0 13 6 13 0 0 I o 115 I 10 i 0 0 0 0 4 0 6 NO.OF OBSERVATIONS V G 5SDC T S D 'V G C T 5 55 I D V G C T S SS :LOCATION I I I I I SUMMER I.;WINTER 8REAKUP T +TALKEETNA 55 -5U5ITNA STATIOND-DENALI V-VEE CANYON G-GOLD CREEK C-CHULITNA 5-SUNSHINE NOTES: I.A.CRITERION:LESS THAN 1.0mo./1.(EPA 1976;SITTIG 1981). II.B.ESTABLISHED TO PROTECT FRESHWATER AQUATIC ORGANISMS'.;,.,.! I 2.(t)=TOTAL RECOVERABLE. I I DATA SUMMARY -IRON (t) I SOURCE'USGS i FIGURE E.2.2.135 I ",~.~.~--..~~~l.:~-~_.'.~~--------: ,-,----~~--'.~...•..._.----~_.- 0.30 ..... "-g,,E--0.20 lJJ '.MAXIMUM..J'm<ta: lJJ>-MEAN00 lJJa: ..J 0.10 •MINIMUM~0 I- :a Q. ~I.----' <tw 0.00..J 0 0 6 0 10 6 13 0 0 I 0 5 I 9 0 0 0 0 2 0 6 NO.OF OBSERVATIONS 0 V G C T S Sl:l 0 V G C T S SS 0 V G C T S SS LOCATION I I I I I I I I I SUMMER WINTER BREAKUP D-DENALI V-VEE CANYON G-GOLD CREEK C-CHULITNA T -TALKEETNA S-SUNSHINE 5S -SUSITNA STATION NOTES: I.CRITER ON:lESS THAN 0.03 mg./1.(McNEELY et 01.1979).WERE LESS THAN O.lOOmg./I. 2.CRITE RON:0.01 OF THE 96 -HOUR lC50 DETERMINED BY BIOASSAY 6.AT SUNSHINE.2 SUMMER OBSERVATIONS WERE LESS THAN O.lOOmg./l. (EPA I 76). 7.AT SUSITNA STATION.5 SUMMER OBSERVATIONS.3 WINTER OBSERVATIONS.3.ABOVE :::RITERIA ESTABLISHED TO PROTECT FRESHWATER AQUATIC ORGANISMS.AND 2 BREAKUP OBSERVATIONS WERE LESS THAN 0.200 mg./I. 4.ATGOl )CREEK,3 SUMMER OBSERVATIONS WERE lESS THAN 0.100 mg./1.8.Ct):TOTAL RECOVERABLE. 5.AT TAL "EETNA,6 SUMMER OBSERVATIONS AND I WINTER OBSERVATION SOURCE:USGS DATA SUMMARY-LEAD (t)FIGURE E.2.2.136 , " I ! 0.30 1111111111111111111111111;11111111111111111:11111111111111111I1111I111111111111 -MEAN •MAXIMUM I I I ......:......to.20 I I I I I I I 1 I I 11·1 I I I 11 I I I I I I I:I I,I 1I I I 1 I 1 1 1.1 I I I:1 I I 1I I I I I I I 1.1 I 1 1 I 1 I I 1I 1 1 I I I 11 I 1 I I I I .0w~ ~ 5 2 0.1011 I I II I I I I I III I II I II I I I I 1:1 I:I I I I I I II I 1.1 I I 1:1 I I II I I I I I I II I II I I I I II I I I I I II I I I II I •MINIMUM I I I I'I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I~I A ."I I I I I I I I I I , I I I I I I I , ,I , I , I ,i , , I I I I I I I I " , ,Iz ' ,19"II I II II~110'11 II III II II II I 11,'.'~0.00 I I I I I 1I 1 I 1 I I.I I I I I • I I', I i i i o 01,0 13 5 '~O.0 I 0 1 2 9 SSDVG'C T S S I ,D V G C T S I I I I ,I I I I I I I I I I I I IT I •I I I II I II I I II I I t t-H-tH0 0 0 0 I 0 6 J-++-+40 V G C T S SS I I I I I I I I I NO.OF OBSERVATIONS LOCATION ,.SUMMER I I WINT~R O-DENALI V-VEE CANYON G-GOLD CREEK C-CHULITNA T ~TALKEETNA'I INOTES:.,...I LA.CRITERION:LESS THAN!0.05 mg./I.(EPA 1976~'I : I.B.ESTABLISHED TO PROTECT tWATER 5UPPLlE5l ! 2.AT SUSITNA STATION,6 SUMMER OBSERVATldNS,I WINTER OBSERVATIO~ AND 6 BREAKUP OBSERVATIONS WERE LESS THAN [0.010 mg./I.t 3.(d):DISSOLVED:I BREAKUP S-SUNSHINE 5S -SUSITNA STATION iDATA SUMMARY -MANGANESE (d) SOURCE'USGS FIGURE E.2.2.137 ---'....;-- " iI==---+-,_..,--,----_.---------------.'~~~-'-~--._."--.-------_.~ , 1.50 -- ........ Cl oS ~ CD 1.00oct CD MAXIMUMa:w ~ frla:-MEAN ..J ~0 0.50 CD MINIMUM....--c :::E ~ w (/)w.z oct ~I.A.0.00 :::E . 0 0 6 0 12 6 13 0 0 I 0 5 I 9 0 0 0 0 4 0 6 NO.OF OBSERVATIONS D V G C T S S~D V G C T S SS D V G C T S SS LOCATION I I I I I I I I I I SUMMER WINTER 8REAKUP 0-[ENALI V-VEE CANYON G-GOLD CREEK C-CHULITNA T -TALKEETNA S-SUNSHINE SS -SUSITNA STATION NOTES: I.A.CRITERI ON:LESS THAN 0.05 mg./I.(EPA 1976). 1.8 ..ESTABL SHED TO PROTECT WATER SUPPLIES. 2.AT SUSI TNA STATION,I BREAKUP OBSERVATION WAS LESS THAN 0.01 mo./1. 3.(I):TO't L RECOVERABLE. DATA SU MMARY -MANGANESE (n SOURCE:USGS FIGURE E.2.2.138 I .' •MINIMUM -MEAN •MAXIMUM III I I I- I I fT11 I I, T , I I I I I I i i iIT."'II."'I'~,-"I I:I I I I I ,II-: i ill I I I I I I I I I I I I I II I I 1 I I I I-!i i iIIellI1101I.I I , i i i i;:111111111::;)I.A.~()a:: ILl:=: ':0.0002 I I I I I I I I I I ..co .§ o ILl ~oeneno'ii,0.0001 I I I I II II I I' ::I:-- 3.AT SUSITNA STATION,8 SUMMER OBSERVATIONS,7 WINTER OBSERVATIONS, AND THE 6 BREAKUP OBSERVATIONS WERE LESS THAN 0.0005 mg./I. 4.(d):DISSOLVED DATA SUM MARY -MERCURY (d) NO.OF OBSERVATIONS LOCATION 6 SS o S o T o C SS -SUSITNA STATION o G BREAKUP o V S-SUNSHINE t:t:ttt g T TALKEETNA I 0 1 2 2 9 G CiT S SS I I I III I WINTER; ov S~MMER I O-DENALI V-VEE CANYONG-GOLD bREEK C-CHULITNA I •.•I '·1 I NOTES:I '.'iii I.A.CRITERION:LESS THA~,0:Op005mg./1.(EPA 1197~). I.B.ESTABLISHED TO PROTECT !FRESHWATER AQU~T1F ORGANISMS. 2.AT GOLD CREEK,I SUMMER OBSERVATION AND llHEI WINTER OBSERVATION WERE LESS THAN 0.001 mg./l)! i i I I II I I II I I I I I II H-++-H 0 0 13 0 3 3 1~t--tH+0 H-H-H 0 V GI C T S ssl4rt1"i 0 SOURCE I USGS FIGURE E.2.2.139 ~--- ____' - '--"-'--~._---c=~--.-~......._~_..---.---"-'-----~-.----'------_,_._.__~_J -- _.- , -b.'oboa' 0.0006 ..... "-cia .§ lLl...J 0.0004III •MAXIMUM<l:a:: lLl ~ 0 -MEANlLla:: ...J ~0.0002 ..MINIMUM0 I- ~..... ClI::c--!>-a::I.A.---+::;) 0a::0.0000lLl - :I: 0 0 6 0 9 6 13 0 0 I 0 5 I 9 0 0 0 0 3 0 6 NO.OF OBSERVATIONS D V G'C T S SS D V G C T S SS D ,V G C T S SS LOCATION I I I I I I , I I I I I SUMMER WINTER BREAKUP D-~ENALI V-VEE CANYON G-GOLD CREEK C-CHULITNA T -TALKEETNA S-SUNSHINE 5S -SUSITNA STATION NOTES: tA.CRITEIi ION:LESS THAN 0.00005mg'/l.(EPA 1976).4.AT GOLD CREEK,THE I WINTER OBSERVATION WAS LESS :rHAN I.B.ESTAB I-ISHED TO PROTECT FRESHWATER AQUATIC ORGANISMS.0.0005 mg./I. 2.AT TAL KEETNA,I SUMMER OBSERVATION WAS LESS THAN 0.0005 mgJI.5.(I)=TOTAL RECOVERABLE. 3.AT SUS TNA STATION,7 SUMMER OBSERVATIONS,7 WINTER OBSERVATIONS AND 4 BREAKUP OBSERVATIONS WERE LESS THAN 0.0005 mg./I. DATA SUMMARY -MERCURY (t) SOURCE:USGS FIGURE E.2.2.140 -' 0.150 I I I I I I I I I 1I II I 1I I I 1I I I I I U II I.I I 11 II I II I I I :1 I I I I I I I I I I II I I I I I I I I I I I I I I I I I I I I I I ~ "-t ~0.100::.11I 1'1 I I 1, 11 I I I I 1I 11 <l:.I lllllilIIlll..U~I ~I~IoI ~I~I ~I~I -t i I',b 0.050 I ',,I I- •MAXIMUM -MEAN •MINIMUM ....... ~I !1111111111111111111111111111111111~., ~:1lt1'i iiI1illlltt IoIIIZI ,..I lIII[0.000 I'" II "I I I I I I I'I I I I I I I I II I I I I I I I 1'1 I I I I I II II II 5.AT TALKEETNA.THE I SUMMER OBSERVATION WAS LESS THAN 0.05 mg./I. 6.AT SUNSHINE.2 SUMMER OBSERVATIONS WERE LESS TI1AN 0.05 mg./1. 7.(t)=TOTAL RECOVERABLE. FIGURE E.2.2.141 .NO.OF OBSERVATIONS LOCATION I SS I o S o T o C SS -SUSITNA STATION o G ~REAKUP o V II II 3H+H0ssttti4D IIII I I o 10 I C ,T S WINTER I G o V I I: SU'MMER II I I I I I I I I I I III I' H-H-H 0 0 I;0 I 6 '51t+tt++0 H-++H D V G C T S sSHtttt D I ' D-DENALI V-VEE CANYON 'G-GOLD CREEK C-CHULITNA T -!TALKEETNA S-SUNSHINE NOTES:";"'"!I '. I.CRITERION:LESS THAN 0.025 mg./1.(McNEIELV:et 01.1979). Ii, 2.CRITERION:0.01,OF THE 96,-HOUR,LC50 PE,TERMINED THROUGH BIOASSAY (EPA 1976).'I ' 3,.THE ABOVE CRITERIA ESTABLISHED TO PROT~CTt FRESHWATER AQUATIC ORGANISMS.I :! 4,.AT GOLD CREEK.2 SUMMER OBSERVATIONS WERE LESS THAN 0.05 mg./I. ,I .I DATA SUMM~RY-NICKEL(t) SOURCE'USGS I :~~7.~------J ~'-----''~'~.--'-'-- •...._.-.-..._-~- --_...._--~---_..-_.~--- 0.30 ..... "0.0.20..s •MAXIMUM 0 1LI>...J ...MEAN0en ~ 0.....0.10 •MINIMUM c N.... (.) Z N I. 0.00 - -I NO.OF OBSERVATIONS00 3 0 3 3 13 0 0 I 0 5 I 9 0 0 0 0 2 0 6 D V G C T S S::l D V G C T S SS D V G C T S SS LOCATION I T I I I I I I I I SUMMER WINTER BREAKUP D-DENALI V-VEE CANYON G-GOLD CREEK C-CHULITNA T -TALKEETNA S-SUNSHINE SS -SUSITNA STATION NOTES: l.CRITE ~ION:LESS THAN 0.03 mg./I.(McNEELY et 01.1919).OBSERVATIONS AND 4 BREAKUP OBSERVATIONS WERE LESS THAN 2.CRITE ION:0.01 OF THE 96-HOUR LC50 DETERMINED THROUGH 0.020 mg./I. BIOAS Y (EPA 1976)..5.AT GOLD CREEK THE I WINTER OBSERVATION WAS LESS THAN 0.012 mg./I. 3.THE ~BOVE CRITERIA BASED ON HUMAN HEALTH EFFECTS.6.(d):DISSOLVED 4.AT SU ~ITNA STATION.8 SUMME R OBSERVATIONS.8 WINTER SOURCE:USGS DATA SUMMARY -ZINC (d)FIGURE E.2.2.142 I " I I 0.30 I I I iii iii iii.iii iii iiiiii iii Iii iii iii Iii iii-"a. E ~0.20 I I I 1I I I I I 11 I·1 I·I.1I 1 I liT 1 I 1I I I I 1 I I 11111I I 11 I:I I 1111.1 I I .,111111 I 1I I I I I 1 I I I I I 1, I I 1 •MAXIMUM lD<t 0:: UJ 1111111111111111111111111111111111~-MEAN <.;) UJ 0:: ..J 0.10 ii~ii~iii~i~iTTiiiiiii~iiiiiiiiii'•MINIMUM <t I- 0 I--I I I I I I I I I I I I II I I I I I_I I I I I • I I I I I I I I I I I I I I I I I I I I I I I T I I I I I I I I I.e N ~1.---'z N 0.00 o 6 I NO.OF OBSERVATIONS S SS LOCATION 4.AT SUSITNA STATION.I SUMMER OBSERVATION AND 2 WINTER OBSERVATIONS WERE LESS THAN 0.020 mg.!l. 5.(1)=TOTAL RECOVERABLE. DATA SUMMARY-ZINC (I): SS -SUSITNA STATION BREAKUP S-SUNSHINE WINTERSUMMER I ! D-DENALI V-VEE CANYON 'G-GOLD CREEK C-CHULITNA T -TALKEETNA. I I NOTES:I I I.CRITERION:LESS THAN .0.03 mg.!1.(McNEELt e~01.1979).. 2.CRITERION:0.01 OF THE 96-HOUR LC50 DETER~INED THROUGH BIOASSAY (EPA 1976)..I I i 3.THE ABOVE CRITERIA ESTABLISHED TO PROliIECT.FRESHWATER AQUATIC' ORGANISMS..I . Ii SOURCE I USGS FIGURE E.2.2.J43 ~'------.J j,; >~.~-_.-----.,.;~,----,'\.....-.-..J .LEGENp AXIMUM ----~~~~tfl~G LEVEL EL.2000 TOURS AR E IN~2300-~~~T ABOVE MSL -----SLOUGH TRIBUTARY----..- .BEBODIESTOWATER PLAN n LJ U I ) l_i J u ./ LEGEND -...----NORMAL MAXIMUM OPERATING LEVEL EL.1455 ~2000 CONTOURS IN FEET ABOVE MSL -- --SLOUGH -',_..__TRIBUTARY o 2 MILEl SCALE i I LJ II'~__..J NOTE: SEE TABLE E.2.2.41 FOR DESCRIPTJONS'OF PLAN WATER BODIES'LOCATED ON THIS MAP-' •....J ., WATER BODIES TO BE INUNDATED BY STAGE II DEVIL CANYON RESERVOIR FIGURE E.2..2.145 ,] j ] ,] J ] J 1 ,J ] :] 1 .j 'j 1 ] ] 1 1 n il [] ,I]o 1 2 MILES SCALE:~i~~;===~! LEGEND --__-NORMAL MAXIMUM OPERATING LEVEL EL,2000' -2300-CONTOURS ARE IN FEET ABOVE MSL ------SLOUGH STAGE JII NORMAL MAXIMUM RESERVOIR OPERATING LEVEL EL 2185 STAGE I RESERVOIR,r-EL,2000 / / :ITI -"'-TRIBUTARY NOTE: SEE TABLE E.2.2.42 POR LOCATIONS OF. WATER BODIES LOCATED ON THIS MAP WATER BODIES TO BE INUNDATED BY STAGEmWATANA RESERVOIR J1\. ,OJ l 1 J ·1 ((~l .~ J -J "] .1 1 1 .I ] ] 1 ] 1 LEGEND: TOWNSHIPS I.SUSm~A 2.FISH CREEK 3.WILLOW CREEK 4.LITTLE WILLOW CREEK 5.KASHWITNA 6.SHEEP CREEK 7.MONTANA CREEK 8.TALKEETNA 9.CHULINA (CHUNILNA) 10.SUSITNA RESERVOIR II.CHULITNA 12.TOKOSITNA 13.KROTO -TRAPPER CREEK 14.KAHILTNA 15.YENTNA 16.SKWENTNA 17.HAPPY la ALEXANDER CREEKO~~~150 iiiiiiiiiiiiiiiiiiiiii20 MILES SCALE '= /'- -.....ED CANTWELL /~.....---....;"--/"/.......--------...I ................,//-, /........./"- /........,-;-;"\ /---\ /I SUSITNA RIVER -.........._/ /I ORAl NAGE BASIN ~I . //~ ,// /,// /// /{,,------\ /'\ ,,/(Ie:::>'::::1 \ ,/\ //\ /~\ I Q \ /\ /01 /t?I /.~"I ~....",.......------ ~~,..- ~,/l ./ /,,/'" -,// --~ / / / / / / / I I \ \ \--\,/........ /""/"-"/"- .........,/'"-_/" " I 1b II IJ TOWNSHIP GRIDS INVESTIGATED FOR WATER RIGHTS IN THE SUSITNA RIVER BASIN SOURCE:DWIGHT 1981 FIGURE E.2.2.147 DENALI HIGHWAY BRIDGE SCALE 1:880,000 N to FAIRBANKS WILLOW CREEK BOAT LANDING (RM 49) to ANCHORAGE TALKEETNA(RM 97) ~I---SUNSHINE BRIDGE (RM 84) SUSITNA LANDING(RM 61) 1(ASH""'TNA ..,'-."·C SUSITNA RIVER PROPOSED HYDROELECTRIC DAM SITES AND BOAT LANDING SITES FIGURE E.2.2.14B ~ LEGEND: .&.SALINITY ESTIMATE ,LOCATIONS NOTE.MODELING UNDERTAKEN FOR TWO STAGE PROJECT IS APPLICABLE TO THREE STAGE PROJECT. SOllRCE:;RMA 1983-----l-.,.J L...---'- '_'__''~_''-----.J Q:~)/~f~.~ C? BLYING SOUND ----1-_._ __~>i-----t "----J ~~~'------1 \....--...,..i o 20 40 I"""! FIGURE E.2.2.149_-------.i ~\.----J [--I 30,000 r-- I I [ 25,000 II 20,000 rJ .::::::. Cl' E >-15,000I- z :::J [] « lJ) U 10,000 - . ., .~"--~,--~_...~.~-'k-1..-.-'., ~,...,..',".....-:.-'." :.-......-:.....-:.....-:.~.-.'."~'\:"~."..."\...... "...,~.........,"...,.,......"..'/~......."~."...,:.......\',. k/.......~.\i /~....... ./ ."r.Y '.'\Y~/,".'",', ~~/0 ., V .".,';-~".'",_..... "~-~.....................--,---'r--::::.::.":".::--'~'- ... SEPAUG _._.WATANA OPERATION LEGEND: PRE'PROJECT ---WATANA FILLING JULJUNMAYAPR MONTHS MARFEB TEMPORAL SALINITY ESTIMATES FOR COOK INLET NEAR THE SUSITNA RIVER MOUTH JANDECNOVOCT 3.MODELING UNDERTAKEN FOR TWO STAGE PROJECT IS APPLICABLE TO THREE STAGE PROJECT. NOTES: I.CURVES PLOTTED USING END OF THE MONTH SALINITIES FOR NODE 27. o 5,000 [I tl 1I SOURCE:RMA 1983 FIGURE E.2.2.150 ·.\ J ] ] ] J J .:1 ] ] 1 1 J ] 1 1 1 I l ,I ) RESERVOIR AREA (1000 ACRES) o 2200 2100 1-----__-~--.....,I__----_1_-..,.~--+_----_t 2000 I------_+_----.....,f--::I~~--_+_-----+__----_t -,.:...- ~1900-~;::IIi ~... ...1800·t-----+-~t__-----+-----~t__---~:_+----__tCo). .~ CI:::tm CI: ~1700 C 31 1800 1500 1400 o STORAGE CAPACITY (MILLION AC.F1:) AREA AND CAPACI,TY CURVES WATANA RESERVOIR 10 FIGURE E.2.3.1 RESERVOIR AREA (1000 ACRES) 8 7 654 0 1600 .....--.,......,....-..,..-....,......,..----......,r------.......,....-..,....--............---..... 1500 1-----t-----+---~f------t----4------I 1400 .....----+---.....~~--__t~~~---+-----I---------t -.,.:...-Z 1300 t-----+---.,...-+---__t~----~_---+----------t ot= S....... 1200 .....---#--+------+---__t~-----+----~--------t...u r!a: 7"::»• a:1100... l-e II 9001-----0+-----......--------I----0+-----t-----1 STORAGE CAPACITY (1000 AC.F't) AREA AND CAPACITY CURVES DEVlbCANYON RESERVOIR FIGURE E.2.3.2 ] J 1 J 1 1 ,-~ ") 1 J 1 l l J 1 'l 'l J J ,j """"fAu.. 0~30.000 W CJa:41(- % 0 10.00el en.. 0 r---~- ENVIRONMENTAL FLOW REQUIREMfSNTS I " IDNETIMPACT 1-1-·1- CASE"EI "--l - - - -I ~JAN •fED MAR A....MAY JON JUL AUG .SiP -,OC1 •NOV DEC fiGURE E.2_3.3 - -:- - - - 40.000 I ' I ENVIRONMENTAL FLOWI REQUIREMENTS CASE E n I I MAINTENANCE Of 75%Of Cl-Uvt SALMON SIDE SLOUGH SPAWNNG HABITAT 60,000 I I .••i~.i I I I ' ••••1 I :•••:~.~•.•:.:.:.:•••.•:.••••••••••••••••• o -.--~I-~~~-I-·····-I - JAN fEB MAR I APR MAY I JUN .JUL -AUG SEP OCT NOV DEC I I i fiGURE E.2.3.4 ,~1 ~-~~--~----'------.J -------.J '----..J --------'.~-----!'---.1 \~~:......- 60.00' 40.00 ----U) I.L0 30•00 ........., W CJ 0::..c%20. o U)-o 10. ENVIRONMENTAL fLOW REQUIREMENTS CASE Em MAXIMIZE CHINOOK SAlMON PRODUCTION ~----~.I JAN FEB "'AR APR M"V JUN JUL AUG SEP OCT NOV DEC flGURf f.2.3.S <» (),.; lU C"tQ "" ""CIl >;:) 00ii:Z l-e 0 Q. 1lU OJ eJ 1::;) < i ..I :;:)::I ., ><::I 11.1 1 !.... ,_.------------, i ENVII~ONMENTAL FLOW REQUIREMENTS CASE E lJl a MAINTENANCE OF 75%OF CHf\k)()K SAUMJN SIDE Cl-fAN\JEl REARING HABJTAT-MAINTAIN CHUM SALMON SIDE SlOUGH SPAWNING WITH MINOR HABITAT MODIFICATION 60.000 I ,I·1 1 .,, 1 I , I I I NOTE 1.DISCHARGE FOR SUSITNA I I I I I I I I I I RIVER AT GOLD CREEK - 40.000 I I I I I I I I I I 30AOO nlll 10.000 1- •'::. JAN FeB MAR APR MAY JUN JUL AUG 8EP OOT flGURf f.2.3.7 oct NOV DECSEPAUG UIN JULJUN , FEB MAR I IAPR MAYJAN ~•..~lil!lli!!'.D~;:~9;f1@?*i~~:;r~~;~;;;;p==::~ 40.000 I I I :I :I I:·I I I I i ' I I r ! ENVIRONMENTAL FLOW REQUIREMENTS'CASE EDlb .'.~EN~CE OF.75%Of CHINOOK SAlMON SIDE CHANN:l REARING HABlTAT-MAINTAIN ~HW SAlM)N SIDE SLOUGH SPAWNING WIITH MODERATE HABITAT MOOIFICATIOO 60.00011 I :II),II 'I II I [O~CHARGEFOR sumTNA t .'.••RIVER AT GOLD CREEK 10,00 - (f)-c flOURf f 2.38 .~-'--L--.-.-~ '! '--'--o...i.-.-~ L-![c:=:Jc__ ENVIRONMENTAL FLOW REQUIREMENTS CASE E][ MAJNTENANCE Of 75%OF CHlNOa<...... SALMON SIDE CHANNEL REARING HABITAT ANJ75%Of CHU\4 SAl..MO\I SIDE SlOUGH SPAWNING HABITAT 0.000 I . 1 1 I 1 1 I·1 1 ·1 I I I NOTE 1.DISCHARGE fOR 8USITNA RiveR AT -.:. GOLD CREEk J I I I I IJIIIlIfI I IIIo000..;.;.:.;.:.:::::::.:.:;.;.;.:.;P:'::::;';':':':':':':':':':':':':':j:'::':':':';':;:':':':':;:::':';':::::j::rr ::::::::: ·."=_W"%"~".w_,"~fJL~,L'",,,,""",~,L.,,_,,,mJ,lI ",-'-""'"""%~.,-. -CD 11-o '""w c:Ja: 4( J:o CD-C 0.000 I I I I I I I I I I -lI- - •-::::::::1::::«::::::«::::::::::::::::::::: NIN '.\1~'~~II~:\j~ll\\III~\.Jrl:\1[\~~I\111Ifljj~\ljll\:\\\ll:I\\r n~::~:~i::~i:))i:i:ii~):~i::::::)~:!~I i O'I I I I I I I I I I I ' JAN fEll MAR APR MAY JUN JUL AUG SEP OCT NOV DEC FIGURf f.2.3.9 I . ENVIROr+ENTAL FL~W REQUIREMENTS CASE E JlI 60,000 • • •,.:•'I ~iii 40,000 ;,I I:1; 1 I ; 1 :I . ,...,.'~~'~...,. 10,000 NOTE 1.DISCHARGE fOR SUSITNA RIVER AT GOLD CREEK I- o JAN ,fEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC '~'--.'-----...i -----...i FIGURE E.2.3.10 -----..J ~