Kachess Drought Relief Pumping Plant

Kachess DamThe Kachess Drought Relief Pumping Plant (KDRPP) is one of several potential surface-water supply projects being studied by the Bureau of Reclamation and the Washington State Department of Ecology (Ecology) to improve water resources management in the Yakima River basin. KDRPP is being developed under the Yakima River Basin Water Enhancement Project (YRBWEP) as part of the Yakima River Basin Integrated Water Resource Management Plan (Integrated Plan).

Previously referred to as the Kachess Reservoir inactive storage project, the proposed KDRPP could withdraw up to 200,000 acre-feet of inactive storage water below the reservoir’s existing outlet works. It would pump and transfer water into the Yakima River for appropriate distribution. KDRPP would operate only during a Washington State-declared drought with the goal of providing, when feasible, up to 70 percent water rights to proratable users. The KDRPP is proposed along with the Keechelus Reservoir-to-Kachess Reservoir Conveyance (KKC) project, which would help refill the Kachess Reservoir in the years following a drought in which KDRPP is used.

Since the proposed KDRPP and KKC projects are closely connected, Reclamation and Ecology prepared the Kachess Drought Relief Pumping Plant and Keechelus Reservoir-to-Kachess Reservoir Conveyance Draft Environmental Impact Statement (DEIS) as a single document. It includes environmental analyses for the both the KKC and KDRPP projects.

The DEIS was released to the public in January 2015 and described the no-action alternative and five action alternatives. The public comment period ended June 15, 2015.

Reclamation and Ecology have reviewed all comments on the DEIS, developed a floating pumping plant alternative, collected additional scientific data as necessary, and evaluated new findings. The new alternative and new findings have been documented in the Kachess Drought Relief Pumping Plant and Keechelus Reservoir-to-Kachess Reservoir Conveyance Supplemental Draft Environmental Impact Statement (SDEIS) released to the public April 13, 2018.

The SDEIS will not contain comment letters received on the DEIS; instead, letters and response to comments from both the DEIS and SDEIS will be in a final environmental impact statement.

Questions or comments on the SDEIS were accepted until July 11, 2018.

Reclamation and Ecology held two public meetings: May 16, 2018, in Cle Elum and May 17, 2018, in Ellensburg, where comments were accepted and the following poster displays, factsheet, and other documentation were available.

SDEIS Public Meeting Materials PDF 10.33 mb
Reminder! Comment Period Ends July 11, 2018.

News Releases

04/2018 Supplemental draft EIS for Kachess and Keechelus projects available for review HTML
04/2015 Update: Kachess Drought Relief Pumping Plant and Keechelus Reservoir to Kachess Reservoir Conveyance Projects HTML
01/09/2015 Draft EIS for Kachess and Keechelus Projects Released HTML

Public Meetings
06/21/2017 Public Perspectives Session - Yakima Basin Integrated Plan
Washington State Department of Ecology, Union Gap, WA — 12 to 1:00 p.m
Kachess Homeowners' Association Presentation (Not endorsed by Reclamation or Ecology)
   
04/15/2015 - 06/15/2015 Additional Draft KDRPP and KKC EIS 60-Day Reopening of Comment Period – Four Public Meetings
05/05/2015 Forest Service Ranger District Office, Cle Elum, WA - 5:00 to 7:00 p.m. PDF 151 kb
05/05/2015 Forest Service Ranger District Office, Cle Elum, WA, 1:30 to 3:30 p.m. PDF 151 kb
04/15/2015 Hal Holmes Center, Ellensburg, WA - 5:00 to 7:00 p.m. PDF 151 kb
04/15/2015 Hal Holmes Center, Ellensburg, WA - 1:30 to 3:30 p.m. PDF 151 kb
   
01/09/2015 — DRAFT KDRPP and KKC EIS Released 60-Day Comment Period – Two Public Meetings
02/05/2015 U.S. Forest Service Ranger District, Cle Elum, WA, 4 to 7 p.m.
02/03/2015 Hal Homes Center, Ellensburg, WA, 4 to 7 p.m.
   
Scoping meetings
10/30/2013 — 12/16/2013 – KDRPP and KKC EIS 60-Day Public Scoping – Four Public Meetings  
11/21/2013 Forest Service Cle Elum Ranger District, Cle Elum, WA, 5 to 7 p.m.
11/21/2013 Forest Service Cle Elum Ranger District, Cle Elum, WA, 1:30 to 3:30 p.m.
11/20/2013 Yakima Arboretum, Yakima, WA, 5 to 7 p.m.
11/20/2013 Yakima Arboretum, Yakima, WA, 1:30 to 3:30 p.m.

YRBWEP Reports
04/2018 Kachess Drought Relief Pumping Plant and Keechelus Reservoir-to-Kachess Reservoir Conveyance Supplemental DRAFT Environmental Impact Statement PDF 49.32 mb
04/2018 Technical Memorandum: Recoiled Opinion of Proabable Construction Cost, Kachess Drought Relief Pumping Plant - Floating Pump Alternative PDF 41.39 mb
04/2018 Kachess Drought Relief Pumping Plant Floating Pumping Plant Alternative Appraisal Design Report PDF 4.28 mb
12/2017 Feasibility Level Design Report: Kachess Drought Relief Pumping Plant South & East Shore Pumping Plant Alternatives PDF 22.83 mb
02/2016 Feasibility Planning Report Kachess Drought Relief Pumping Plant PDF 2.62 mb
04/2015 Economic Analyses of the Proposed Kachess Drought Relief Pumping Plant PDF 4.65 mb
03/2015 Feasibility Design Draft Report Kachess Drought Relieft Pumping Plant PDF 21.14 mb
01/2015 Keechelus-to-Kachess Conveyance and Kachess Drought Relief Pumping Plant Draft Environmental Impact Statement PDF 34 mb
01/2015 Keechelus-to-Kachess Conveyance and Kachess Drought Relief Pumping Plant Draft Environmental Impact Statement Executive Summary PDF 7.83 mb
03/2014 Scoping Summary Report for the Keechelus-to-Kachess Conveyance and Kachess Drought Relief Pumping Plant Environmental Impact Statement PDF 9.26 mb
10/2013 Kachess Reservoir Inactive Storage Project Alternatives Comparison and Recommendation for Advancement PDF 13.13 mb
04/2013 Yakima River Basin Integrated Water Resource Management Plan Technical Memorandum: Hydrologic Modeling of Winter Streamflows and Kachess Inactive Storage Tunnel Alternative PDF 2.87 mb
09/2010 Yakima River Basin Water Storage Study Kachess Inactive Storage Appendix H - OPCC Lake Kachess Inactive Storage PDF 391 kb
02/1997 YRBWEP Kachess Dam, Kachess Lake Augmentation, Draft Status Report PDF 968 kb
Additional Reference Documents >>

Reference Documents
05/2006 Yakima River Basin Water Storage Alternatives Appraisal Assessment Technical Series No. TS-YSS-8 PDF 6.05 mb
10/1989 Appraisal Assessment of Augmenting Kachess Reservoir Stored Waters by Gravity Feed from Cabin Creek and Silver Creek PDF 10.78 mb
Additional Reference Documents >>
Partner
Washington State Department of Ecology

Contact

Wendy Christensen
gchristensen@usbr.gov
(509) 573-8050

Bureau of Reclamation
Pacific Northwest Region
Columbia-Cascades Area Office
1917 Marsh Road
Yakima, WA 98901-2058

Thomas Tebb
Thomas.tebb@ecy.wa.gov
(509) 575-3989

Director, Office of Columbia River
State of Washington
Department of Ecology
15 W. Yakima Ave, Ste 200
Yakima, WA 98902-3452


Last Updated: 9/21/18