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Title

Kachess Drought Relief Pumping Plant and Keechelus Reservoir-to-Kachess Reservoir Conveyance Draft Environmental Impact Statement

DRAFT FOR PUBLIC COMMENT Comment on this draft
 
Publication number Date Published
15-12-001January 2015
VIEW NOW: Kachess Drought Relief Pumping Plant and Keechelus Reservoir-to-Kachess Reservoir Conveyance Draft Environmental Impact Statement (Number of pages: 842) (Publication Size: 34817KB)




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Author(s) Derek Sandison, Dawn Wiedmeier
Description The Draft Environmental Impact Statement (DEIS) evaluates the potential environmental effects of implementing two similar and closely related projects in the Yakima River basin in central Washington State:
-Kachess Drought Relief Pumping Plant (KDRPP)
-Keechelus Reservoir-to-Kachess Reservoir Conveyance (KKC)
The US Department of Reclamation and Ecology are proposing these two projects as well as enhancements to improve the abundance and resiliency of bull trout populations in the basin as part of implementation of the Yakima River Basin Integrated Water Resource Management Plan (Integrated Plan). The Integrated Plan is a comprehensive program of solutions developed to restore ecological functions in the Yakima River system and to provide more reliable and sustainable water resources for the health of the riverine environment and for agricultural, municipal, and domestic needs.

The two projects being considered under the Proposed Action are described briefly below as:

-Kachess Reservoir Drought Relief Pumping Plant (KDRPP). Deliver up to an additional 200,000 acre-feet of water from Kachess Reservoir during drought years by installing a new deeper outlet works and pumping system to access existing stored water that cannot currently be accessed. Implement an integrated package of aquatic habitat enhancements and assessments focused on improving the abundance and resiliency of bull trout populations in the Yakima River basin.

-Keechelus Reservoir-to-Kachess Reservoir Conveyance (KKC). Augment flows into Kachess Reservoir and reduce flows in the Yakima River downstream from Keechelus Reservoir to Lake Easton3 by transferring water from Keechelus Reservoir to Kachess Reservoir via a new tunnel. Implement an integrated package of aquatic habitat enhancements and assessments focused on improving the abundance and resiliency of bull trout populations in the Yakima River basin.
REQUEST A COPY The mission of the Department of Ecology is to protect, preserve, and enhance Washington’s environment. To help us meet that goal, please consider the environment before you print or request a copy.

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Keywords water management, Yakima Basin, Yakima River, water supply, water resources
WEB PAGE Yakima River Basin Integrated Plan