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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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 18. PROJECT:Cheyenne Supply Pipeline
SPONSOR:City of Cheyenne
LOCATION:Laramie County
PROGRAM:New Development
Purpose Chapter Session Account Appropriation Due Date
Level I 74 1993 I $250,000 1994
Level II 8 1995 II $250,000 1996

In 1992, the CBPU requested funding for several projects. The WWDC suggested the CBPU complete a master plan to prioritize future improvements. The city's existing master plan had become dated and did not address the latest EPA requirements.

In 1993, the Wyoming legislature approved funding to update the Cheyenne Water Supply Master Plan. In 1994 the master plan was completed and provides an inventory of the existing supply, treatment, and distribution systems. The plan identified needed improvements, suggested priorities, estimated costs, and serves as a planning tool for the city. Approximately $62,000,000 in needed capital improvements were identified. The identified improvements include an extensive upgrade to the CBPU Sherard Water Treatment Plant and several transmission system improvements. These improvements were prioritized and recommended for completion by the year 2007. Additional Level II analysis was recommended to refine designs and cost estimates.

In 1996, States West Water Resources Corporation completed a Level II study of the Cheyenne Water Supply System. Conceptual designs and cost estimates were prepared for 1) a raw water system to irrigate parks and golf courses, 2) piping and improvements to the raw water lines feeding the water treatment plant, 3) a new water transmission main to the east side of Cheyenne, 4) corrosion analysis, and 5) improvements to the Supervisory Control and Data Acquisition System.

The first portion of the raw water project was completed in 1998.

In 1999 the city of Cheyenne asked for additional funding to complete another phase of its planned raw water system. This would start the first phase of a 11.3 mile long pipeline from Crystal Reservoir to the new treatment plant.

The WWDC recommends the project be placed in a Level III status in the New Development Program. The financing plan will include a 60% grant, $6,600,000 and a 40% loan, $4,400,000, at 7.25% for 20 years.

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