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<br /> <br />r <br /> <br />^ ~ <br /> <br />Two other areas where ground water declines are noted include the <br />Elkhorn Ri""er basin in northeast :;ebraska and the Box Butte County area <br />in northwest ~~ebraska. Tl-te State of \"ebraska has indicated that the <br />lowe r E1 kho ["0 R i lie r bas 1n does not cons tit ute an "adjacent d. rea" and is <br />'lot a potential sel"vice area for the High Plains Study. The State has <br />also indicated tit-'ll it may not be necesSiHy to serve the Box Butte <br />County area because recent studies l:1dicate that the aquifer is much <br />deeper than originally believed. During the later portion of the High <br />Plains Study, the decision was made that anI I existing irrigation <br />problem areas would be served. Since no new irrigated areas would be <br />created. the tableland area between the =-,orth and South Platte River~ <br />would not be served. <br /> <br />The areas to be served in ~ebraskd are shown in figure 6 and the <br />estin~ted quantities needed are li~ted in table 2N According to infor- <br />mation from the State of :-;ebraska and the High Plains AssocL3.tes, the <br />SOuthwestern ~ebraska areas and the Big and Little Blue River basins <br />have the highest need among the existing irrigated ar~as. <br /> <br />TABLE 2 <br />IRRIGATION WATER ~EEDS <br />11'0 :-;EBRASKA <br /> <br />No. Service Area <br /> <br />Year 2020 <br />Water Demand <br />(AFA) <br /> <br />Requ ired <br />Oependable Yield <br />at Terminal Storage 1/ <br />(AFA) <br /> <br />1 O'~eill <br />2 Platte River-~orth <br />3 Big and Little Blue River basins <br />4 Perkins-Chase Counties <br />5 Republican River basin <br /> <br />Total <br /> <br />187.000 <br />186,000 <br />549.000 <br />561,000 <br />300,000 <br />1,783,000 <br /> <br />210,000 <br />205,000 <br />610,000 <br />625,OUO <br />335,000 <br />1,985,000 <br /> <br />1/ Includes lO-percent loss betlO'een the reservoirs and the farm. <br /> <br />AU <br /> <br />