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<br />. <br /> <br />The project will result in a number of recrea- <br />tional benefits for area residents and for <br />visitors to southwestern Colorado. M~phee <br />and }bnumcnt Creck Reservoirs will provide <br />hunting, fishing, boating, camping, and pic- <br />nicking. Recreational opportunities at <br />Totten and Groundhog Reservoirs may be im- <br />proved because their surface elevations may <br />be stabilized when storage of irrigation <br /> <br />Ikllor(>~ Project <br />March 1980 <br />Page 2 0 f 3 <br /> <br />water 1s largely. shifted to McPhee Reservoir. <br />The stream fishery in the river below McPhee <br />Dum will be greatly enhanced as a result of <br />water releases made to maintain a year-round <br />live stream. Although whitewater boating may <br />be altered somewhat because of project opera- <br />tions. good boating days would be grouped <br />together and accurately predicted in years <br />when spring spills were forecasted. <br /> <br />STATISTICS <br />(Taken from Definite Plan Report, April 1977) <br /> <br />MUNICIPAL AND INDUSTRIAL WATER (acre-feet/year) <br /> <br />1'owaoc <br />Cortez Supply <br />Dove Creek Supply <br />Dolores Water Conservancy District <br />Total <br /> <br />lRRIGATION <br /> <br />Dolores Water Conservancy District <br />Full service <br />Dove Creek area <br />Supplemental service <br />Montezuma Valley <br />Ute Mountain Ute Indian Reservation <br />Full service <br />Towaoc arc.a <br />Total <br /> <br />. <br /> <br />FISHING AND RECREATION ~ATER FOR <br />RESER\'OIRS (acre-feet/year)l.l <br /> <br />FISHERY & AESTHETICS <br />(acre-feet/year)~1 <br /> <br />EFFECTS ON COLORADO RIVER <br />AT IHPERIAL DAM <br /> <br />Estimated stream depletion <br />(acre-feet/year) <br />Estimated !ffect of salt loading <br />. (mg/L) 1 <br /> <br />~TI'. COSTS <br /> <br />Estimated construction cost <br />(January 1978 prices) <br />Estimated annual operation <br />and maintenance cost <br />( 1975-77 prices) <br /> <br />BENEFITS <br /> <br />1,000 <br />6,200 <br />600 <br />900 <br />8,700 <br /> <br />Lend. <br />(acres) <br /> <br />Water supply <br />(acre-feet/year) <br /> <br />27,860 54,300 <br />26,300 13,700 <br />7,500 ~,900 <br />61,660 90,900 <br />1,600 <br />25,400 <br /> <br />80,900 <br /> <br />1..0 <br /> <br />$212,164,000 <br /> <br />$1,335.000 <br /> <br />Estimated average annual benefits $11,589,900 <br /> <br />Benefit-cost ratio <br />total <br />direct <br /> <br />1.30: 1. 0 <br />1.1:1.0 <br /> <br />1/ Eight hundred acre-feet have been ~eserved for future fi~h <br />end' wildlife develop"nlcnt on the Ute Nountain Ute Indian Reservation <br />and tsUO acre-feet fQr future fish and wildlife development in the <br />Dolores \~atcr Conservancy District arca. <br />2/ Specific relc","s(> to Do1on~s River bc1Ot-l HcPhee Dam. <br />}..! l'h,e lOO-Yl.'ar-average salt fond concentrating effect is' 1.0 <br />mg/L. The concentration di,minishes to zero after 80 years of project <br />opC'ration. <br /> <br />. <br /> <br />6 <br />