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<br />II <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 />003039 <br /> <br />less 300 acre feet of imported water, gives 1,383,300 acre <br />'feet as the undepleted basin water supply originating in <br />Colorado. <br /> <br />The projected additional stream depletion in Colo- <br /> <br /> <br />rado is estimated to average 245,600 acre feet per year, <br /> <br /> <br />which, if added to the present depletion of 85,900 acre feet, <br /> <br /> <br />would make the total stream depletion for the Colorado sec- <br /> <br />tion of the basin 331,500 acre feet per year. If the pro- <br />jected basin development is accomplished with the resultant <br />estimated stream depletion, the average amount of water dis- <br />charged from the basin during a period of years comparable <br /> <br />to the 18-year study period (1943 - 1960) would be 1,051,800 <br /> <br />acre feet per year. <br /> <br />The following are summary figures on historic runoff, <br /> <br />estimated stream depletion, undepleted water supply, antici- <br /> <br />pated additional water depletion requirement and the remaining <br /> <br />runoff available for downstream delivery. The figures relate <br /> <br />only to water runoff and water use in the Colorado section of <br /> <br />the basin and are representative for the report study period <br /> <br />(1943 - 1960): <br /> <br />Summary of Basin Water Supply in Colorado - Units-Acre Feet <br />Yampa River at the Maybell Gage <br /> <br />Historic runoff <br />Present stream depletion <br />Undepleted water supply <br />Projected additional depletion <br />Remaining downstream delivery <br /> <br />1,061,900 <br />73,200 <br />1,135,100 <br />286,200 <br />848,900 <br /> <br />24 <br /> <br />}, .,~ <br />