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Wyoming Water Development Commission 
Harry C. LaBonde, Jr., PE, Director 
6920 Yellowtail Rd, Cheyenne, WY 82002 
Phone: 307-777-7626 

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 87. PROJECT:Riverton Valley Lateral
SPONSOR:Riverton Valley Irrigation District
LOCATION:Fremont County
Purpose Chapter Session Account Appropriation Due Date
Level III 28 1994 II $350,000* 1999
*100% grant for invoiced material. The sponsor is responsible for all other project costs.

Flow measurements on the Riverton Valley Canal were conducted as part of the Wind River Basin study. The Riverton Valley open laterals experience areas of high exfiltration as well as being high maintenance cost areas. The proposed Level III project will address twelve of the laterals under the main canal system. Some of these laterals run for extended distances through the City of Riverton and are difficult to access and maintain. These open canals will be replaced by buried pipelines. This will greatly reduce both maintenance costs and water losses. The estimated total project cost is $700,000.

In 1994, the Commission recommended the project be advanced in the Rehabilitation Program to Level III status with an appropriation of $350,000. The project appropriation would serve as a grant for project materials. Payments will only be made for materials invoiced to the district. The district would be responsible for all costs related to project design, permit procurement, land procurement, construction engineering and construction of the project.

The district has prioritized the system repairs and work was completed on Phases I, II and III during the spring and fall of 1995,1996, 1997 and 1998. Work will continue, using district labor and equipment, on the final Phase IV during the spring of 1999.

No legislative action is required on this project.

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