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<br />;j <br />i <br /> <br />o <br />f' <br />L') <br />~I <br /> <br />.(::--,) <br />Upper Gunnison Proj(";2 (continued) <br /> <br />Water for the Tomichi Creek Unit would be provided by storage reg\ua- <br />tion of surplus Tomichi Creek flows in Elko Reservoir, water exchanges' <br />on Tomichi Creek, and some use of project return flows. The exchanged <br />water would be replaced by storage releases from Elko Reservoir. The <br />irrigation supply would be distributed by the Crookton Canal and exist- <br />ing ditches. Elko Reservoir would provide new recreational and fishing <br />opportunities and reservoir releases to Tomichi Creek would maintain <br />the stream fishery. <br /> <br />Project Costs ($1,000) <br /> <br />Project construction costs were estimated as follows. <br /> <br />. . <br /> <br />. <br /> <br />4,087 <br />2,480 <br />13,568 <br />20,132 <br /> <br />Ohio Creek Unit . . <br />East River Unit . . <br />Tomichi Creek Unit <br />Total. . . . . <br /> <br />. , <br /> <br />, <br /> <br />. <br /> <br />Water Supply <br /> <br />Ohio Creek Unit (acre-feet) <br />Municipal and domestic supply <br />Irrigation supply <br />Total. . . . . . . . . . . <br /> <br />. . <br /> <br />. . <br /> <br />. 6,000 <br />. . 5,900 <br />. 11,900 <br />1980 ' '1990 2000 <br />3.000 4,000 6,000 <br /> <br />Timing of municipal and domestic water use <br />(acre-feet) . . . . . . . . . . . . . <br /> <br />The M&D water would be used to replace the present supply of the city of <br />Gunnison (from deteriorating wells) and to provide for future growth in <br />the city and in surrounding urban areas. Irrigation water would be used <br />to supplement the present supply for 6.070 acres and to provide full <br />service to 100 acres. <br /> <br />The depletions to the Colorado River would be 3.700 acre-feet. It is <br />estimated that salinity at Lake Mead would be increased 0.3 milligram <br />per liter as a result of this depletion. <br /> <br />East River Unit <br /> <br />This unit would develop 700 acre-feet for irrigation and 2,000 acre-feet <br />for domestic use. The irrigation would be used to supply full service <br />to 150 acres and the domestic water is anticipated to be needed for growth <br />associated with recreation in the area. ' <br /> <br />Timing of domestic water use <br />(acre-feet) . . . . . . . . . <br /> <br />. . . <br /> <br />. . . <br /> <br />1980 <br />1.500 <br /> <br />1990 <br />,2,000 <br /> <br />2000 <br />2,000 <br /> <br />Depletion to the Colorado River would be 1,400 acre-feet. It is estimated <br />that the salinity at Lake Mead woUld be increased 0.1 milligram per liter <br />as a result of this depletion. <br /> <br />2 <br />