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<br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br /> <br />o <br />,'~-) <br />w <br />,... <br />CJ1 <br />c;p <br /> <br />Potential Use <br />Study of the irrigation potential of the subbasin <br />indicates that the area of irrigated land will ultiffiately <br />reach $7,590 acres. It is estimated that this will be de- <br />creased by about 6,eOO acres by industrial development and <br />urbanization, leaving an ultimate irrigated area of about <br />eO,750:acres. This would be a net increase of new land irri- <br />gat ion 'of 23,270 acres. It is estimated that 26,380 acres of <br />land iri need of additional water can be provided a supplement- <br />al supply. This additional new land irrigation together with <br />the supplen~ental irrigation would result in new annual stream <br />depletion of 56,300 acre feet. <br />Estimates of future rr.unicipal and industrial water <br />requirements of the subbasin include allowance for a shale <br />oil industry in the general area of the to.ms of Rifle, Grand <br />Valley 'and DeBeque. The estimates are based on water use data <br />reported to the State of Colorado by engineer consultants <br />Cameron and Jones. <br />Stream depletion figures provide for an increase in <br />the sUbbasin population from the 1960 population of 6,369 to <br />a total population of 224,000 and also an industrial water <br />consumptive use of 100,000 acre feet per year. The annual <br />di version requirement for n~unicipal, domestic and industrial <br />water u,se is estin~ated to be about 200,000 acre feet, of which <br />122,800 acre feet would be consumptively used with the balance <br />returned to the river for do.mstrean', use. <br /> <br />30 <br /> <br />L Jit <br />