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Potholes Reservoir Supplemental Feed Route Environmental Assessment

The Bureau of Reclamation has issued a final Environmental Assessment and Finding of No Significant Impact for the Potholes Reservoir Supplemental Feed Route which will increase the reliability of transporting water from Banks Lake to Potholes Reservoir located about 22 miles south of Ephrata, Washington.

Potholes Reservoir is a key feature of the Columbia Basin Project and serves as a vital source of irrigation water. Potholes Reservoir has traditionally been fed water through the East Low Canal, but due to operational changes over the years, it was necessary to find reliable alternatives to supply a portion of the feed to Potholes Reservoir.

More about the feed route study >>

 

Documents

08/2007 FONSI and Final EA PDF 760 kb
04/2007 Draft Environmental Assessment PDF 652 kb
  Technical Memorandum
Alternative 2A and 2B: Crab Creek
PDF 4.2 mb
  Attachment D: Crab Creek Maps PDF 3.11 mb
  Attachment E: Figures 1-12 PDF 998 kb
  Attachment I: Loan Springs Fish Passage Barrier PDF 379 kb
  Attachment K: Excerpt from Design of Small Dams Publication PDF 366 kb
 

Technical Memorandum
Alternative 3: Frenchman Hills Wasteway

PDF 2.75 mb
  Technical Memorandum Alternative B—Frenchman Hills Wasteway
(Note: The name of this alternative was changed to Alternative 3 in the Draft Environmental Assessment)
PDF 2.75 mb
Contact  

Jim Blanchard
(509) 754-0226
jblanchard@usbr.gov

Bureau of Reclamation
PO Box 815
Ephrata, WA 98823-0815

   

Last Update: October 26, 2011 12:02 PM