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<br />. <br /> <br />,- <br /> <br />. <br /> <br />With the Weber reservoir shortages remain in 13 years of <br /> <br />the 17; 8 of these could be reduced by increased reservoir capacity, <br /> <br />but three cannot be benefitted by c~pacity increases beyond 600 acre- <br /> <br />feet because of limited water supply. The years of shortage are <br /> <br />the sane for J~ckson Gulch development, but 11 ef these can be <br /> <br />reduced by additional stor3ge capacity, as there is usu~lly ample <br /> <br />water. <br /> <br />10,OOO-Acre Development <br /> <br />Weber reservoir can be leveloped te " mnximm capacity <br /> <br />of 7,615 f1cre-feet wi th decreasing cost per ~cre-foot of capacity. <br /> <br />Increasing the capacity of this reservoir would result in increas- <br /> <br />ing yield but not in keeping with increasi~ costs by reason of the <br /> <br />liloi ted water supply avaib.ble for ;liversi on to storage. The outlet <br /> <br />canal would be increased to 200 second-feet. Raising the Jackson <br /> <br />Gulch reservoir 26 feet would secure a capacity of 10,000 acre- <br /> <br />feet, the feeder canal being incre~sed to 250 second-feet and the <br /> <br />outlet canal te 200 second-feet. <br /> <br />The heavy and frequent shortages incident to the Weber <br /> <br />Reservoir development cannot procticably be corrected. Those with <br /> <br />the J!lckson Gulch developmen t c~n be corrected by the a ddi tion of <br /> <br />feeder canals from East and Middle Mancos Rivers Gt an additional <br /> <br />cost of $130,000 but these are net included in the estu13te as <br /> <br />operation over a period of years without these canals would be <br /> <br />needed to demonstrate the utility of building them. <br /> <br />E <br /> <br />'I 3 ~ '1 <br />oJ <br />