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<br />~, <br />t-- <br />(XI <br />f'.:'.. <br /> <br />Table 4. - Average annual economic impacts increased salinity <br />in the lower Colorado River Service Area resulting from <br />alternative rates of emerging energy development in the <br />Upper Colorado Region <br /> <br />Item <br /> <br />Salinity level at <br />Imperial Dam (mg/L) <br />Base Increase from <br />level emerging energy <br /> <br />Impact <br />per mgll II <br />($1,000)- <br /> <br />Total <br />annua 1 <br />impacts <br />($1,000) <br /> <br />A ltern at i ve I 21 <br />1985 <br />2000 <br />Alternative II 1/ <br />1985 <br />2000 <br />A lternat ive II I 4/ <br />1985 <br />2000 <br /> <br />B21 <br />855 <br /> <br />2.3 <br />7.8 <br /> <br />$267 <br />272 <br /> <br />$ 614 <br />2,121 <br /> <br />863 <br />924 <br /> <br />2.6 <br />14.9 <br /> <br />273 <br />286 <br /> <br />710 <br />4,261 <br /> <br />899 <br />975 <br /> <br />3.6 <br />18.1 <br /> <br />280 <br />300 <br /> <br />1,008 <br />5,430 <br /> <br />II Source: Economic Impacts of Changes in Salinity levels of the <br />Lolorado River, USBR, 1979 (publication in process). Inclusive <br />of damages to agricultural, muncipal, and industrial uses (1976 <br />do 11 ars ) . <br />21 Medium rate of energy development with low water depletion. <br />1/ Accelerated rate of energy development with medium water <br />aepletion. <br />4/ Accelerated rate of energy development with high water <br />aepletion. <br /> <br />21 <br />