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2002 LEGISLATIVE REPORT
Active Projects
129. | PROJECT: | Viva Naughton Dam Enlargement | | | | | |
| LEVEL: | II-Hold |
| SPONSOR: | State of Wyoming |
| LOCATION: | Lincoln County |
| PROGRAM: | New Development |
| |
| EXISTING LEGISLATION: |
|
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 |
PROJECT INFORMATION:
Recent investigations completed for the Green River Groundwater Recharge and Alternate Storage
Study 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. With permits for an additional storage totaling 39,502 acre-feet for an estimated
2005 cost of $48,700,000. The existing reservoir is owned and operated by Scottish Power who has
acknowledged an interest in the further investigation of the potential enlargement of Viva Naughton.
The permitted enlargement reserves 10,752 acre-feet for irrigation on the Hams Fork down stream of
the dam. During most years irrigators and municipalities depend on the releases from Viva
Naughton, Scottish Power, however, has no obligation to continue this practice. This year's drought
required Scottish Power to shut the reservoir off to all demands in addition to those required for
electrical power generation. As a result downstream uses found the flows in the Hams Fork to be
critically low. The town of Kemmerer has storage in Kemmerer Reservoir, however the reservoir has
lost most of its capacity to silt.
The existing municipal and agricultural uses show a need for additional storage on the Hams Fork.
The enlargement of Viva Naughton would provide a much needed source of late season water to all
uses below the dam including of the Hams Fork Water Users association, and the towns Kemmerer
and Diamondville.
RECOMMENDED LEGISLATIVE ACTION:
The Commission recommends that the project be incorporated into the New Development Program
at Level II with an appropriation of $300,000.00.
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