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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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120.PROJECT:West Side/Rock Springs Water Supply
SPONSOR:City of Green River/City of Rock Springs/Sweetwater County Joint Powers
Water Board
LOCATION:Sweetwater County
PROGRAM:New Development and Rehabilitation
Purpose Chapter Session Account Appropriation Due Date
Level II 82 1998 I $30,000     2000
Level III 16 1999 I $450,000*   2003
Level III 16 1999 II $625,000** 2003
*60% grant, 40% loan (7 1/4%, 30 years)
**50% grant, 50% loan (7 1/4%, 30 years)

The 1998 Level II project looked at combining the West Side Sewer & Water District with several other well water users in the area west of Rock Springs in a common water system. The water supply for the project will be obtained from the city of Green River, Wyoming; city of Rock Springs, Wyoming, Sweetwater County, State of Wyoming Joint Power Water Board through a pipeline that is operated and maintained by the city of Rock Springs. The water users in the area consist of a collection of homes, trailer courts and businesses. Water users currently get their water from private wells and from 12 inch or 6 inch water lines which are connected to the old Rock Springs water system 20 inch line. The old 20 inch Rock Springs water system line in the area was built around 1929 and the district members state that it is in constant need of repair.

The 1998 Level II project evaluated providing three new water system loops in the area which would replace private wells and most of the old water system. The new development portion of the project will provide new transmission mains in the south and north areas of west Rock Springs. The portion of the project funded from water development account II will rehabilitate the old transmission main.

The district was the original applicant for the Level II project. However, because the system is owned by the Joint Powers Board and operated by Rock Springs, the Joint Powers Board will be the sponsor for the Level III project.

The 1999 legislature approved an appropriation of $450,000 from the New Development Program for the installation of new transmission lines and an appropriation of $625,000 for the rehabilitation of existing transmission mains.

The Joint Powers Water Board awarded an engineering contract for design and construction administration services to Nelson Engineering Inc. in September, 1999 with completion of design in April of 2000. A construction contract was awarded in July, 2000 with an anticipated completion date in early spring of 2001.

No legislative action is required.

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