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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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 59. PROJECT:Highline Ditch
SPONSOR:Highline Watershed Improvement District
LOCATION:Carbon County
Purpose Chapter Session Account Appropriation Due Date
Level II 81 1999 II $50,000   2000
Level III 96 2000 II $726,000* 2004
*50% grant; 50% loan (6%, 20 years)

The project is located east of Saratoga within the proposed Highline Watershed Improvement District. The purpose of the Level II study was to address problems associated with erosion of several ditches. Head cut has not stabilized and is working upstream towards a concrete diversion structure. The county has moved the road once because of the danger and may have to move it again. The ditches are 30 plus feet deep and have combined because of the bank erosion.

A large number of irrigated acres are dependent on this water delivery system. These areas produces 2 to 3 tons of hay per irrigated acre and also supplies a large amount of forage for spring and fall grazing as well as a considerable amount of forage for area wildlife. The irrigation water delivery system is being threatened. A structure such as a pipe-drop is needed to prevent further erosion. Preliminary design work on this has been done in the past.

In 1999 the legislature approved $50,000 to evaluate the current condition of the Highline Ditch and other ditches in the irrigation system. The consultant, Anderson Consulting Engineers, Inc., determined that a set of new ditches with a series of drop structures in each would be the best option for the district to save their ditches.

The Highline Watershed Improvement District received a Level III appropriation of $726,000 (50% grant, 50% loan) in the year 2000 to rehabilitate washouts on the Highline, Ryan-Foreman, Wiant, and MaCannany ditches within the improvement district. A contract with PMPC Consulting Engineers of Saratoga was negotiated by the district for project design and construction management services. Phase I of the project, involving the Highline and Ryan-Foreman washouts, was designed and constructed during the year 2000. Phase II work on the MaCannany and Wiant ditches substantially completed in November 2001 and will be completed in Spring 2002 with reseeding activities.

No legislative action is required.

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