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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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 48. PROJECT:Green River Groundwater Recharge and Alternate Storage
SPONSOR:State of Wyoming
LOCATION:Green River Basin, WY
PROGRAM:New Development
Purpose Chapter Session Account Appropriation Due Date
Level I 36 2000 I $100,000 2002

The 2000 Legislature appropriated $100,000 for a Level I study in the Green River Basin to investigate groundwater recharge and alternate storage for the basin's surplus water. With the help of the Green River Basin Advisory Group, the WWDC developed a scope of services, and after screening interested candidates, hired States West Water Resources Corporation as the engineering firm to complete this study. This study used the Green River Basin Plan, completed in January 2001, as a tool to begin an investigation on groundwater recharge potential and develop a comprehensive list of potential reservoir locations within the basin. Potential reservoir sites listed in the Green River Basin Plan were investigated on a reconnaissance level. A short list was then developed containing the five selected sites that score highest in the ranking criteria developed for the Green River Basin Plan. These five sites were be studied in greater detail and include conceptual designs and preliminary cost estimates.

During the investigation of the five final sites an additional site was discovered that did not exist in any of the literature, which would serve as an alternate to the East Fork and East Fork Gorge reservoir sites. This alternate was titled Church Reservoir after the homesteading family that originally settled the land. This site is thought to satisfy all of the need identified for the area with potentially less environmental impact than the previously mentioned reservoir sites. The local irrigators have requested that this study be continued to include further investigation of this potential reservoir which was discovered at the end of the study when the time and budget constraints prevented a more detailed investigation. The continuation of this study would be scheduled for completion in November of 2002.

The WWDC recommends the project be incorporated into the Rehabilitation Program at Level I with an appropriation of $50,000.

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