Uncompahgre River watershed: Streamflow management study and plan

Ridgway Reservoir during winter

From The Telluride Daily Planet (Tanya Ishikawa):

Whitmore volunteered to oversee Ouray County’s grant application submission to the Colorado Water Conservation Board to get funding for a stream management study and plan. The study is aimed at confirming and expanding the information from a 2016 water needs study by Wright Water Engineers that concluded the county has current unmet needs and will need additional water supplies for the future, especially in the area of storage.

Last year’s study was initiated by the county and the Ouray County Water Users Association, a group organized to represent agricultural water users, and Tri-County Water Conservancy District, which manages the operation of the Ridgway Dam and supplies water to an area including parts of Ridgway, Montrose, Olathe and Delta. The county commissioners approved a memorandum of understanding between the three entities on July 11, to give the county permission “to take the lead in moving forward with development of the water rights” to supply future water projects such as building reservoirs for storage. Tri-County approved the agreement on Wednesday, and the water users group was reviewing the document this week but had not yet approved it…

The stated purpose of the stream management plan is “to assist in balancing water needs amongst various users and the development of additional sustainable multipurpose water supplies including both consumptive and non-consumptive demands.” To complete the plan, the recommended tasks include further evaluation of water needs in the upper Uncompahgre River water supply area, possible storage development, potential development of voluntary water transfer agreements between water rights holders, and identification of ditch irrigation efficiency projects.

Tri-County water rights being considered for potential storage and storage expansion projects are located on Dallas Creek and Cow Creek. Proposed project locations are Dallas Divide, Ram’s Horn and the Sneva Ditch.

The county plans to invite various stakeholders to create a steering committee to manage and implement the stream management plan and grant. Whitmore said that in creating the committee, “We want to make sure we are bringing all our knowledge and experience together so we hopefully have the support of the whole community. The support of the whole community is important because whether we look at exchanges, new water rights or storage, we need to go through water court. If everyone agrees, it’s less likely those plans will run into opposition.”

Pete Foster, Wright Water’s vice president and senior project engineer, and Cary Denison, a Ouray County resident and Trout Unlimited’s Gunnison Basin project coordinator, assisted in developing a draft grant application. Foster will be paid out of the county budget, and possibly some funding from Tri-County and the water users group, for related consulting work on the grant, steering committee administration and plan development and implementation.

The county expects to submit the application for an amount under $100,000 by early October, and if funding is awarded, complete the study by the end of 2018.

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