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Restricted Damsite Inventory in the <br />Gunnison Basin <br />Restricted <br />Water Reservoir Reason for Gage Action Action Volume <br />DAMID District Hazard Dam Name Level Restriction Height Date Type Lost <br />400103 40 3 Arch Dam was Poor 0 12/12/1985 I 66 <br />Slough abandoned, condition <br />but can still <br />hold water <br />400108 40 1 Barren Zero Outlet 0 12/11/2003 I 759 <br />Storage deficiencies <br />400112 40 2 Big GH 8 ft. Sinkholes on 8 9/24/1991 R 750 <br />Battlement embankment <br />400212 40 3 Cypher #1 4.0 below Repairs not 1/14/2003 R 8 <br />emergency completed <br />spillway <br />crest <br />400306 40 2 Granby #12 GH 17 ft. D/S face 17 10/15/1987 R 0 <br />slide due to <br />seepage <br />61 <br />Preliminary Identification of Potential Areas for <br />Refinement – Supply Availability <br />• High Altitude Coefficients, Irrigated Acres and Shortages <br />• Changes in Irrigated Acres due to development <br />• Resolution of National Park Service Reserved Right <br />• Aspinall Operations <br />• Biological Opinions for Aspinall, Dolores and Dallas <br />Projects <br />• Effects of RICD ’ s and in stream flows on augmentation <br />requirements (North Fork and Upper Gunnison) <br />• Compact calls and impacts on Gunnison basin <br />availability <br />• Assumptions re: development of existing conditional <br />water rights and which beneficial uses will be supplied <br />62 <br />31 <br />