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<br />1 - " <br /> <br />Two othe~ areas wher~ ground water declines are noted include the <br />Elkhorn River basl~ 1n northeast ~ebraska and the Box Butte County area <br />in northwest :.ebraska. T"Je State of Sebraska has indicated that the <br />lower Elkhorn ~lver basin does not constitute an "adjacent area" and is <br />not a potential <;erl/ice area for the 1I1gh Pl.dns Study. The State has <br />also indicated thelt it may not be necessary to serve the Box Butte <br />County area because recent studies indicate that the aquifer is much <br />deeper than originally believed. During the later ponion of the IIlgh <br />Plains Study. the decision was made that onll existing irrigation <br />problem areas would he served. Since no new irrigated areas would be <br />created, the tableland area between the ~arth and South Platte Rivers <br />would not be served. <br /> <br />The areas to be served in ~ebraska are shown in figure 6 and the <br />estim.Jted quantities needed are listed in table 2. According to infor- <br />mation from the State of :~ebraska and the High Plains Associates, the <br />southwestern ~ebraska areas and the Big and Little Blue River basins <br />have the hizhest need among the existing irrigated areas. <br /> <br />TABLE 2 <br />IRRIGATION WATER ~EEDS <br />[N :-JEBRASKA <br /> <br /> Required <br /> Year 2020 Uependable Yield <br />[1;0. Service Area Water Demand at Terminal Storage 11 <br /> (AFA) (AFA) <br />I 0' :--<"eill 187,000 210.000 <br />2 Platte River-:\orth 186,000 205,000 <br />3 Big and Little Blue River basins 549,000 610,000 <br />4 Perkins-Chase Coun ties 561.000 625,OUO <br />5 Republlcan River basin 300,000 335,000 <br /> Total 1,783,000 1,985,000 <br /> <br />1./ Includes lO-percent loss between the reservoirs and the farm. <br /> <br />.-\12 <br />