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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 />-.J <br />W <br /> <br />Kunicipal and Industrial and Reservoir Evaporation <br />Stream Depletion - Units Acre Feet <br /> <br />Subbasin Present Anticipated Ultimate <br />lJ:iddle Park 7,400 11,100 18,500 <br />J!;ag1e River 900 1,400 2,300 <br />Roaring Fork 2,200 18,100 20, 300 <br />Rifle-West Divide 2,200 122,800 125,000 <br />Plateau Creek 2,500 3,300 5,800 <br />Grand Valley 7.700 11.300 19,000 <br />Sub-total 22,900 168,000 190,900 <br />Little Dolores & <br />Coates Creek 400 - 0 - 400 <br />Total 23,300 168,000 191,300 <br /> <br />Transmountain Diversion <br /> <br />The exportation of water from the basin prior to 1951 <br /> <br />was a minor use of the basin water supply. Data compiled for <br /> <br />the writing of this report indicates that in future years the <br /> <br />transmountain diversion of water from the basin to eastern Co10- <br /> <br />rado may well exceed the stream depletion by in-basin use of <br /> <br />water. <br /> <br />The following table summarizes the average annual <br />historical diversions for the 18 year study period, the antici- <br />pated average annual divertable water after the completion of <br /> <br />the facilities now under construction, the average annual di- <br />vertable water by ultimate expansion of these diversion facili- <br /> <br />ties and the potential ultimate diversion. <br /> <br />47 <br /> <br />j;. ,4 <br />