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<br />COLORADO WATER CONSERVATION BOARD <br />823 State Centennial Building <br />1313 Sherman Street <br />Denver, Colorado 80203 <br /> <br />December 1980 <br /> <br />APPLICATION - STATE WATER PROJECT <br /> <br />Hyannis Reservoir Company Project <br /> <br />The Hyannis Reservoir Company applied to the Colorado Water <br />Conservation 80ard for a project in March 1980. <br /> <br />The proposed project is an instream reservoir located near the <br />headwaters of the East Fork of Ar~pahoe Creek, tributary to Grizzly <br />Creek in the North Platte River b~sin. <br /> <br />The proposed dam will be abo~t 70 feet high with a crest length <br />of about 310 feet, and a total capacity of 21227 acre-feet. Conditional <br />water right to such an amount was adjudicated to the entity in February <br />1972, with a priority date of Sept-ember 16, 1963. The dam and reservoir <br />will be located totally on U.S. Forest land, and the water stored will <br />be used for supplemental irrigation, later in the irrigation season. <br /> <br />No visit was made to the sits by the staff but the project was <br />discussed at some length with David Mayring, the applicant. <br /> <br />Although no feasibility study has been undertaken so far, it <br />appears that the proposed project will cost in excess of one million <br />dollars. A feasibility study to examine the project and evaluate the <br />effective cost benefit ratio should be above $20,000. Possible state <br />participation should therefore exceed $10,000. <br />