534 



Wallowa Basin 



Lower Valley Ditch — consolidate 4 rock berm diversions into 1 

 permanent diversion (with associated screen and ladder) 



Clearwater Ditch — canal lining in chronic leakage area, gated pipe 

 onfarm application, return flow capture and reuse system, and 

 permanent diversion dan to replace rock berm diversion 



In both basins, agreements are being drawn up with counties and local soil 

 conservation districts to do surveys, preliminary designs, etc. 



Washington 



Background: In Washington, the demonstration project is being initiated in 

 the Yakima basin. The project has two primary goals: (1) to improve 

 operational capability to maintain a specified target flow over Sunnyside 

 Diversion Dam, and (2) to have water available to react to critical streamflow 

 situations. An advisory committee of irrigation, tribal, State, and Federal 

 representatives has been formed. The group has identified potentials related 

 to a low-elevation reregulating reservoir to control flow fluctuations at 

 Sunnyside Dam and a water leasing program to provide additional streamflow 

 when needed. 



Recent Activity: Preliminary designs for the reregulating reservoir are 

 nearing completion and should be ready for review by the Yakima Indian Nation 

 and water users in September. A leasing program for the basin should be 

 finalized this fall. The program is being developed by the Environmental 

 Defense Fund under contract with the Washington State Water Users Association. 



Flow Augmentation 



Background: The North Side Canal Company of Jerome, Idaho, was selected for 

 the Snake River flow augmentation demonstration project. The proposed project 

 would consist of applying three conservation techniques (reregulating 

 reservoirs, automated gates, and canal lining) on parts of the canal company's 

 distribution system. 



Recent Activity: Our Denver office is putting together a conceptual plan for 

 adding reregulating capability to the lower portion of the canal company's 

 service area. Preliminary designs and costs should be available by late 

 September. A preliminary draft of the Environmental Report for the project 

 has been completed under contract with Science Applications International 

 Corporation. 



Contact: Onni Perala 



6.6.B.9 Establish a mechanism to coordinate water quality 

 (page 75) activities relating to Columbia River Basin fish and 

 wildlife resources (EPA lead). 



Background: The measure is being implemented by the Water Quality Committee 

 of the Columbia River Water Management Group. The committee has expanded its 

 membership to include all appropriate State and Federal agencies, and tribal 

 representatives, and has initiated coordination of water quality activities. 



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