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Yakima River Basin Water Storage Feasibility Study
Columbia-Cascades Area Office

Plan of Study

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Sunset on Yakima RiverThe Yakima River Basin Water Storage Feasibility Study will examine thefeasibility and acceptability of storage augmentation in the Yakima River basin. The benefits of additional storage are identified for fish, irrigation, and future municipal water supply. Two considerations will be studied:

  1. diversion of Columbia River water to the proposed Black Rock project to be used as an "exchange supply" for irrigation entities in the lower Yakima basin, and
  2. creation of additional storage within the Yakima River basin.

The Storage Study objectives will be to improve Yakima Project flow management operations to move the basin flow regime towards a normative condition for fisheries, provide a more reliable water supply for existing proratable water users, and provide additional water supply for future municipal demands.
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Entire Report PDF 1.6 mb
Phase 1 Matrix PDF 29 kb
Phase 2 Matrix PDF 55 kb
Phase 3 Matrix PDF 45 kb
Phase 4 Matrix PDF 25 kb
Yakima River Basin Map PDF 689 kb

Contact Us

Bureau of Reclamation
Pacific Northwest Region
Columbia-Cascades Area Office
1917 Marsh Road
Yakima, WA 98901-2058
(509) 575-5848 x370

storagestudy@usbr.gov

Last Update: June 2, 2009 11:39 AM