Yakima River Basin Integrated Water Resource Management Plan Feasibility Planning Report Keechelus Reservoir-to-Kachess Reservoir Conveyance FINAL DRAFT Kittitas County, Washington U.S. Department of the Interior State of Washington Bureau of Reclamation Department of Ecology Pacific Northwest Region Office of Columbia River February 2016 Columbia-Cascades Area Office MISSION STATEMENTS U.S. Department of the Interior Protecting America’s Great Outdoors and Powering our Future. The U.S. Department of the Interior protects America’s natural resources and heritage, honors our cultures and Tribal communities, and supplies the energy to power our future. Bureau of Reclamation The mission of the Bureau of Reclamation is to manage, develop, and protect water and related resources in an environmentally and economically sound manner in the interest of the American public. Washington State Department of Ecology The Mission of the Washington State Department of Ecology is to protect, preserve and enhance Washington’s environment, and promote the wise management of our air, land, and water for the benefit of current and future generations. If you need this document in a format for the visually impaired, call the Office of Columbia River at (509) 575-2490. Persons with hearing loss can call 711 for Washington Relay Service. Persons with a speech disability can call 877-833-6341. Keechelus-to-Kachess Conveyance ¬906 « Legend 90 Major Road ¦§¨ 90 ¦§¨ 6 Portal Hyak Alternative 1 (North Tunnel Alignment) Alternative 2 (South Tunnel Alignment) Conveyance Option A Conveyance Option B Alternative 1, 6 Keechelus North Tunnel 6 Reservoir " 90 V ¦§¨ d i a µ R 6 e 0 7,000 k K a a L c Feet ss h he e Kachess N 0 1.25 ac s K s F - " Reservoir 4 Miles R 8 Alternative 2, d 1 6 8 ( South Tunnel K a Keechelus Reservoir c Note: General location of the Kachess Drought h N " Kachess Reservoir e Relief Pumping Plant (KDRPP). The KDRPP 90 F " s ¦§¨ - s is a separate but related project currently in the 4 8 D YY feasibility design phase. 2 a aa m Cle Elum kk 8 ii m R Reservoir ( a W d 90 a ) Ellensburg ¦§¨ R 90 e CANADACANADA ive §¨ s e ¦ r t K a c W a s h i n g t o n Bumping Lake h W a s h i n g t o n e Reservoir s Yakima Reservoir s Yakima R River Rimrock d 90 Rimrock ) KDRPP Basin ¦§¨ Reservoir Y a (See Note) 5 k §¨ i ¦ im a 90 II da da h h o o R ¦§¨ Sp iv ar er 82 W ks 82 ¦§¨ 182 R ¦§¨ ¦§¨ d Easton OO r r e e g g o o n n ¦§¨84 This page left intentionally blank. Glossary and Acronyms ASR aquifer storage and recovery BTE bull trout enhancement (program) cfs cubic feet per second Corps U.S. Army Corps of Engineers DAHP Washington State Department of Archaeology and Historic Preservation Ecology Washington State Department of Ecology EFH Essential Fish Habitat EIS Environmental Impact Statement EPA U.S. Environmental Protection Agency Integrated Plan Yakima River Basin Integrated Water Resource Management Plan KDRPP Kachess Drought Relief Pumping Plant KKC Keechelus Reservoir-to-Kachess Reservoir Conveyance NED National Economic Development NEPA National Environmental Policy Act NMFS National Marine Fisheries Service PEIS Programmatic Environmental Impact Statement RED Regional Economic Development SAR smolt-to-adult survival rate SEPA State Environmental Policy Act Service U.S. Fish and Wildlife Service SOAC System Operations Advisory Committee TBM tunnel boring machine TWSA total water supply available USFS U.S. Forest Service WDFW Washington Department of Fish and Wildlife WSDOT Washington State Department of Transportation YRBWEP Yakima River Basin Water Enhancement Project Yakima River Basin Integrated Plan KKC Feasibility Planning Report – Final DRAFT i February 2016 (This page intentionally left blank) Yakima River Basin Integrated Plan KKC Feasibility Planning Report – Final DRAFT ii February 2016 Contents Executive Summary .................................................................................................................. 1 Introduction .......................................................................................................................1 Background ........................................................................................................................1 KKC Alternatives ................................................................................................................4 Cost-Risk Analysis ..............................................................................................................7 Summary of Expected Results ........................................................................................... 7 Economic Analyses ............................................................................................................9 Cost Allocation .................................................................................................................13 Climate Change Modeling ................................................................................................ 13 Environmental Considerations ......................................................................................... 13 Consultation and Coordination ......................................................................................... 14 Conclusions ......................................................................................................................14 1.0 Location, Background, Purpose, and Authority ..................................................... 15 1.1 Project Location and Description ........................................................................... 15 1.2 Background ............................................................................................................18 1.3 Purpose of the KKC ................................................................................................ 28 1.4 Authority ................................................................................................................29 2.0 Plan Formulation ......................................................................................................... 31 2.1 Need for Action ...................................................................................................... 31 2.2 Prior Investigations ................................................................................................ 32 2.3 Public Involvement ................................................................................................ 34 2.4 YRBWEP Workgroup Participation .......................................................................... 35 2.5 Agency Coordination .............................................................................................. 38 2.6 Tribal Consultation and Coordination ..................................................................... 41 3.0 Alternative Formulation ............................................................................................. 42 3.1 Alternatives Formulation and Evaluation ............................................................... 42 4.0 Alternatives................................................................................................................... 47 4.1 No Action Alternative ............................................................................................. 47 4.2 Action Alternatives Overview ................................................................................. 47 4.3 Project Schedule .................................................................................................... 53 4.4 Operations .............................................................................................................58 4.5 Alternative Comparison .......................................................................................... 60 4.6 Preferred Alternative Not Determined.................................................................... 62 4.7 Recommendations for Further Study ..................................................................... 62 5.0 Related Projects ........................................................................................................... 65 5.1 Kachess Drought Relief Pumping Plant ............................................................ 65 5.2 Bull Trout Enhancement Plan ................................................................................. 66 6.0 Expected Results ......................................................................................................... 70 6.1 Streamflow Results ................................................................................................ 70 Yakima River Basin Integrated Plan KKC Feasibility Planning Report – Final DRAFT iii February 2016 6.2 Streamflow Results under Adverse Climate Change .............................................. 71 6.3 Fisheries Production ............................................................................................... 73 6.4 Water Supply ......................................................................................................... 76 6.5 Water Supply Results under Adverse Climate Change ........................................... 76 7.0 Environmental Considerations .................................................................................. 78 7.1 NEPA Compliance Activities ................................................................................... 78 7.2 Anticipated Permits and Regulatory Approvals ...................................................... 79 8.0 Cost Estimate ..............................................................................................................