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<br />Impacts from higher salinity levels in the form of increased costs <br /> <br />~ <br />~ <br />-J <br />U1 <br /> <br />associated with municipal and industrial use and increased costs <br /> <br />and/or reduced yields for agricultural uses would, however, be felt <br />throughout the Lower Region. <br /> <br />Impacts from Reduced Water Supply <br /> <br />Reductions in water supply will impact on hydropower generation and <br />on agricultural users on the CAP. <br /> <br />Impacts on Hydropower Generation. - Reductions in water entering <br />the Lower Region at the compact point will result in reduced <br />energy generated at Hoover Powerplant and the Parker-Davis <br /> <br />complex. Estimates of impacts on hydropower generation were <br /> <br />based on the differences in power generated at Hoover Dam and <br />Parker-Davis Powerplants with and without the respective alter-' <br />native rates of energy development in the Upper Region. Table 2 <br /> <br />presents the reduced energy generation and associated monetary <br /> <br />impacts. These impacts are based on the estimated cost of <br /> <br />replacing the lost power in the service network. <br /> <br />As discussed earlier, there are changes in the water supply in <br /> <br />the different alternatives caused by the three different rates of <br /> <br />development. This, in turn, causes reservoirs to fill differ- <br /> <br />ently and as the surplus and shortage criteria depend upon the <br />reservoir elevations, the total system operates differently. The <br /> <br />amount of power generated is a function of both water supply and <br /> <br />14 <br />