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<br />/ <br /> <br />. <br /> <br />. <br /> <br />. <br /> <br />* <br /> <br />. <br /> <br />,'. f";f.,....' <br />i~':';"" i <br /> <br />Narrows Unit <br />January 1967 <br /> <br />POWER AND MUNICIPAL WATER <br /> <br />No hydroelectric power generation is planned, No specific pro- <br />visions are included for municipal and industrial water; however, <br />future conversion from irrigation supply to municipal and indus- <br />trial water supply is not precluded should the need and desire <br />arise. <br /> <br />DISTRIBUTION SYSTEM <br /> <br />None, Released supplemental water would be carried in South <br />Platte River to the diversion works of cooperating irrigation <br />systems which are already in existence. <br /> <br />PROJECT FEATURES <br /> <br />Narrows Dam <br /> <br />Located on South Platte River about 7 miles northwest of <br />Fort Morgan, Colorado <br /> <br />Type . , . . . . . . . <br />Height above streambed <br />Crest length . , . . <br />Crest elevation, . .., <br />Volume of embankment . . . . <br />Spillway capacity (peak discharge) <br /> <br />Rolled earth fill <br />146 ft, <br />22,120 ft. <br />4453.0 m,S ,1. <br />8,840,000 cu, yds. <br />27,600 c.f.s. <br /> <br />Narrows Reservoir <br /> <br />Area top of joint use pool, elevation 4404.3 <br />Shoreline top of joint use pool <br /> <br />14,963 acres <br />40 mile s <br /> <br />Narrows Reservoir capacity (acre-feet) <br /> <br />Elev. Initial 50-year* <br />Item (feet) conditions conditions <br /> <br />Streambed 4307.0 0 0 <br />Dead 4339.0 17,350 10,185 <br />Inactive 4351.0 32,810 27,773 <br />Conservation 4399.0 373,025 355,227 <br />Joint use 4404.3 75,000 75,000 <br />Flood control 4428.5 475,000 475,000 <br />Total capacity 973,185 943,185 <br />Surcharge 4447.0 575,373 575,373 <br />* For space allocation purposes, all sediment is assumed to <br />accumulate below the top of the conservation pool, Sediment <br />accumulation is estimated to be 60,000 acre-feet after 100 years <br />of operation. <br /> <br />100-year* <br />conditions <br /> <br />o <br />4,916 <br />22,399 <br />335,870 <br />75,000 <br />475,000 <br />913,185 <br />575,373 <br /> <br />6 <br />