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Gunnison - Paonia Reservoir Sedimentation Study Application
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Gunnison - Paonia Reservoir Sedimentation Study Application
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Last modified
10/25/2012 11:56:01 AM
Creation date
9/13/2007 10:24:19 AM
Metadata
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Template:
WSRA Grant and Loan Information
Basin Roundtable
Gunnison
Applicant
North Fork Water Conserv. District and Fire Mountain Canal and Reservoir Co.
Description
Paonia Reservoir Sedimentation Management Study
Account Source
Basin
Board Meeting Date
9/19/2007
Contract/PO #
150414
WSRA - Doc Type
Grant Application
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<br />. <br /> <br />. <br /> <br />. <br /> <br />capacity that will otherwise be lost or that must be replaced with less effective facilities at much <br />greater cost and with greater environmental impacts. <br /> <br />4. By assuring the long term sustainability of Paonia Reservoir and the stable stream flow <br />that results from summer releases, recreational opportunities in the area are protected. The <br />ultimate outcome of the no-action alternative will be a reservoir basin fully filled with sediment, <br />land of questionable usefulness and complete loss of current recreational opportunities <br />associated with the reservoir and its storage releases. <br /> <br />5. Environmental enhancements will result from this project in relation to the potential <br />destructive consequences that will otherwise occur as a result of continued, unrestrained <br />sedimentation. Continued sedimentation will result in a completely sediment filled reservoir <br />basin and may involve replacement of the storage capacity at one or more other sites with the <br />attendant environmental repercussions. Additionally, ifno action is taken, the sedimentation <br />delta will eventually surround the intake structure, and the ability to control the rate for release <br />of sediment from the reservoir will be decreased. Sediment releases may occur episodically, in <br />slugs and with unavoidable negative environmental impacts. <br /> <br />6. Instituting a sustainability plan for Paonia Reservoir will avoid the costs, disruption and <br />environmental impacts of developing one or more alternative storage sites. Also, reduction of <br />sediment loads against the dam will avoid costly dam modifications which may be necessary to <br />buttress the embankment against potential failure <br /> <br />7. Ifthe sedimentation continues at current rates, the impact on the dam's outlet works may <br />start to restrict the range of allowable operational flexibility due to downstream environmental <br />and other considerations. Therefore, one of the benefits of developing a plan to control <br />sedimentation impacts will be to maintain current operational versatility. <br /> <br />8. The project will comply with all applicable laws, regulations and will protect all existing <br />water rights. <br /> <br />A map showing the service area for Paonia Reservoir and the boundaries of the North Fork Water <br />Conservancy District follows: <br /> <br />., <br />.) <br />
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