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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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 27. PROJECT:Dayton Master Plan
SPONSOR:Town of Dayton
LOCATION:Sheridan County
PROGRAM:New Development
Purpose Chapter Session Account Appropriation Due Date
Level I 36 2000 I $60,000 2002

Dayton's water system consists of a filtration treatment plant with an infiltration gallery intake, from the Tongue River, approximately two miles upstream from Dayton. A 32 year old 10-inch transite transmission line delivers treated water from two 63,000 gallon clear wells to the town distribution system. The transite pipe does not comply with current EPA standards and the pipeline is undersized and cannot deliver proper fire flows to the town. A portion of the pipeline route currently underlies a large stock water reservoir and needs to be relocated. Dayton would like to consider replacing the transmission line with a larger line and convert the old line to raw water to deliver water to a secondary water system for lawn watering. This would reduce the demand on the water treatment plant and reduce treatment plant costs.

The town would also like to evaluate its treatment plant's current efficiency, possible expansion, upgrading, and intake capacity; transmission and distribution system's efficiency in line sizes and looping; and the current piping into and out of their storage tanks. The system evaluation should include the surrounding region including the town of Ranchester.

The town of Dayton would like to move forward with the recommended improvements to their water system as outlined as "Alternative C" in the level I study funded by the WWDC in 2000. Dayton feels it is appropriate to move to a phased Level III construction project. Alternative C consists of: 1) replacement of existing transite transmission line; and 2) new booster pump station and pipeline to the existing storage tank. The Level I Master Plan study estimated the cost of the improvements to be about $880,000.

The WWDC recommends the project be incorporated into the Rehabilitation Program at Level III with an appropriation of $440,000. The financing plan is a 50% grant, $440,000 and a 50% loan from locally secured funding sources.

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