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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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 01. PROJECT:Afton Periodic Spring Rehab
LEVEL:New Application
SPONSOR:Town of Afton
LOCATION:Lincoln County

Residents of the Town of Afton utilize the Periodic Spring as their primary water supply, and a 1100 foot well as a supplemental supply. The spring is able to meet their needs for most of the year, but as it off in late winter the well must be used to satisfy their demands. The town has 2.6M gallons of storage, and has a chlorinator in place. Their main storage tank and most of their pipelines were replaced in in 1992 as part of a WWDC project. This Level II request is to analyze the remaining section of old pipeline in an effort to determine how best to design its replacement.

The Periodic Spring is located approximately 500 feet horizontally from the town's main transmission pipeline, and 200 feet above it in the south wall of Swift Creek Canyon. The section of pipeline to be studied herein extends from the main canyon floor up to the spring. This steep draw is filled with coarse talus, and rockfalls are common. A portion of the pipeline is exposed creating the potential for interruption of service caused by falling rock. The area receives considerable snowfall, making wintertime maintenance difficult. This study will analyze alternative methods of replacing this pipeline, and will look at the potential to capture additional water from the spring during the late winter months.

The WWDC recommends the project be incorporated in the Rehabilitation Program at Level II with an appropriation of $75,000.

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