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<br />,. <br /> <br />C48,j <br /> <br />Project Costs <br /> <br />The estimated construction cost for the ground-water recharge plan <br />providing 45,700 acre-feet of water annually is $84,000,000 based <br />on January 1977 price levels. The annual operation, maintenance, and <br />replacement costs for project facilities are estimated to be $530,000. <br />Interest during construction is estimated to be $8,639,000 at 6.625 <br /> <br />percent interest. <br /> <br /> <br />It should also be noted that a~:dJ\tional onfarm investment of <br /> <br />$4,030,000 would be ~qUi;ed'f:~~~~~, pumps and motors for a total <br />/,.' , " ~~ <br />cost of $96:669~01'l6,' incl udin? interest during construction. Additional <br />~"'~ ", \,,~ <br />~..' " \,,;.- <br />annual ~~~a!irg.~~~S;'for pumping irrigation water totals $250,000 <br /> <br />and woul~~~qu,~a total of 5.7 million kWh of energy. While these <br /> <br />costs hav~e~n netted out of the benefits, they are a required part <br /> <br />of the overall cost for constructing this alternative. <br /> <br />Benefit-Cost Analysis <br /> <br />An evaluation of the annual irrigation benefits relative to the <br /> <br />estimated annual equivalent costs results in a benefit-cost ratio <br /> <br />of .8 to 1 based on a 100-year period of analysis at 6.626 percent <br /> <br />interest. <br /> <br />The benefit-cost analysis is presented in table <br />