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<br />UU?!?5 <br />~l~ <br /> <br />Pumping Capacities <br /> <br /> <br />Water would be drawn from Lake Francis Case by a pumping plant <br /> <br /> <br />located on the west shore. Since the water is being drawn from a large <br /> <br /> <br />reservoir system, a large pumping plant with a high peaking capacity is <br /> <br />not needed. The pumping plant used in this study is designed to operate <br /> <br />at a uniform rate to minimize the required capacity. <br /> <br />COST ESTIMATING PROCEDURES <br /> <br />No new costs are associated with the source reservoir since an <br /> <br /> <br />existing facility is being used. Under Federal policy, however, cost <br /> <br />reallocation for the storage provided would be required. The cost has <br /> <br /> <br />not been included here. The cost of the pumping plant has been included <br /> <br /> <br />with transfer facilities. <br /> <br />EFFECTS OF DIVERSION <br /> <br />MRD has developed a computer model to simulate operation of the <br /> <br /> <br />main stem Missouri River reservoir system. Flow records for 82 years <br /> <br /> <br />(1898-1979), adjusted to 1975 depletion levels, are available for <br /> <br /> <br />analysis. The model has been used to simulate operation of the reser- <br /> <br />voir system with and without diversion to the High Plains for three <br /> <br /> <br />in-basin development levels. The three include the 1975 base level of <br /> <br /> <br />development, mentioned above, and the projected levels of in-basin <br /> <br />development for the years 2000 and 2020. <br /> <br />The MRD operation study was conducted assuming a maximum diversion <br /> <br />of 5.26 MAFA from the Missouri River. In late 1981, the future esti- <br /> <br /> <br />mated water demands of some of the six States were changed. This <br /> <br />resulted in a maximum diversion of 4.40 MAFA. <br /> <br />Navigation on the Missouri River is most seriously affected by <br /> <br /> <br />flow depletions, whether from in-basin development or from transfer to <br /> <br />A18 <br />