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<br /> <br />o <br />'-) <br />.:->:) <br />QO <br />te <br />~ <br /> <br />Under present Utah allocations about 0.37 MAF of additional water <br />could be imported into the eastern Great Basin Region from the Colorado <br />River system. If necessary legal and administrative adjustments were <br />made, about 1.4 MAF of ground water may be available from one-time <br />storage reserve. If treatment were included, perhaps an additional 1 MAF <br />of one-time ground-water storage reserve could be developed. The values <br />for one-time ground-water storage reserve refer to an annual rate for an <br />arbitrary 50-year period. <br /> <br /> <br />The annual rate of depletions for the principal uses of water are <br />projected to increase from 6.0 MAF a year in 1965 to 7.6 MAF a year in <br />2020. This is exclusive of the amount of water needed to maintain the <br />terminal lakes at some yet-to-be determined general levels. Withdrawal <br />requirements will increase about 2.4 MAF from the 1965 annual rate of <br />about 8.6 MAF a year. <br /> <br />These requirements may be supplied from a combination of the residual <br />surfsce-water and ground-water supply, salvage and improved management <br />exchange from one use for another, additional import from the Colorado <br />Regions to the Great Basin Region, treatment to improve quality for use, <br />or development of time-limited ground-water supply. The particular <br />combination selected is dependent upon location of water with respect to <br />where it is to be used, economics, legal and other constraints, and the <br />status accorded the terminal lakes as a beneficial user of water. <br /> <br />Additional data are needed on most of these supply elements to <br />define the location, magnitude, and specific development that will result <br />in the best use of these assets. <br /> <br />iii <br />