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<br />00248::: . . <br />NORTHERN CLOSED BASIN -UNCONFINED AQUIFER STUDY AREA <br /> <br /> <br />Ba. CC'A. <br /> <br />Gr-a.'v\.t <br /> <br />. <br /> <br />1f 'IE <br />TOTAL STUDY AREA = 312 SQ. MI. <br /> <br /># Observation Wells = 58 (RG=ll, EW=47) <br /> <br />TABLE 1. <br /> <br />AQUIFER DEPLETION <br /> <br />STUDY AQUIFER AVERAGE AVG. ANNUAL <br />PERIOD DEPLETION DRAWDOWN* DEPLETION <br /> (AF) (FT) (AF/YR) <br />1975.1985 46,000 1 4,600 <br />1985 - 2001 190,200 5 11,888 <br />1975.2001 236,200 6 9,085 <br /> <br />. AVERAGE DRAWDOWN OVER ENTIRE STUDY AREA FOR SPECIFIED PERIOD <br /> <br />TABLE 2. TOTAL IRRIGATED ACRES IN STUDY AREA <br />IRRIG ACRES EST, IRRIG. Pumping* <br />1985 = 45,400 90,800 AF/YR <br />2000 = 54,900 109,800 AF/YR <br />1985-2000 INCREASE = 9,500 19,000 AF/YR <br />. Estimated at 2AF/AC/YR <br /> <br />- <br />