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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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117.PROJECT:Viva Naughton Dam Enlargement
SPONSOR:State of Wyoming
LOCATION:Lincoln County
PROGRAM:New Development
Purpose Chapter Session Account Appropriation Due Date
Level II 10 1994 I Hold   1996
Level II 15 1996 I Hold   1998
Level II 82 1998 I Hold   2000
Level II 36 2000 I Hold* 2002
*A block appropriation of $15,000 was made for all hold projects

The Level II investigations indicate enlarging Viva Naughton Reservoir is one of the more efficient water development projects in the state when considering yield and cost. The reservoir has an existing capacity of 42,393 acre feet. Studies indicate the capacity could be enlarged to 87,000 acre feet for an estimated cost of $15,000,000. However, the existing reservoir is owned and operated by PacifiCorp, who is not presently interested in enlarging the reservoir as they presently do not need an additional water supply.

The existing municipal and agricultural needs do not warrant the WWDC to unilaterally pursue the project. At this time, financial participation from PacifiCorp is necessary before the project can proceed. The project is presently on hold status.

The WWDC recommends that the project be retained at Level II-Hold status.

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