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ameO <br /> TABLE 4 <br /> SUMMARY OF MUNICIPAL PUMPING -JANUARY 2002 TO DECEMBER 2007 <br /> City of Ripon, California <br /> Average Maximum <br /> Pumping Monthly Month of <br /> Filter Rate Average Maximum <br /> Well Pack (2002- Pumping Pumping <br /> Well Date Depth Depth Aquifers 2007) Rate (2002 - <br /> ID Installed (feet bgs) (feet bgs) Pumped (GPM) (GPM) 2007) Water Use <br /> open <br /> MW-3 Apr-50 156 bottom I 111 750 Jul-06 drinking water <br /> MW-4 Dec-57 257 26-257 U, I, L 176 447 Jun-02 not used since 11/02 <br /> MW-5 1971 312 73-313 U, I, L 197 671 Jul-07 non-potable <br /> MW-6 <br /> MW-7 Oct-77 200 52-200 U, 1 192 1115 Jul-03 drinking water <br /> MW-8 <br /> MW-9 Jan-89 200 165-202 1 463 1035 Jul-02 drinking water <br /> MW-10 Feb-91 461 145-462 1, L 899 2193 Jun-02 drinking water <br /> MW-11 Jun-96 158 119- 158 1 21 221 Oct-04 non-potable <br /> MW-12 Jul-96 334 150-330 1, L 1149 1889 Apr-03 drinking water <br /> MW-13 Jun-04 450 NA L 1152 2846 Jul-05 drinking water <br /> MW-14 AugmMj--Mj NA 11, L 195 1997 JJUI-Nj drinking water <br /> Abbreviations <br /> bgs = below ground surface <br /> GPM = gallons per minute <br /> I = screened in Intermediate Aquifer <br /> U = screened in Upper Aquifer <br /> L = screened in Lower Aquifer <br /> NA= Information was not available to AMEC at the time this table was prepared. <br /> Notes <br /> Average pumping rate for 2002 -2007 is the average monthly total of gallons pumped divided by 43,776 minutes per <br /> month. <br /> Maximum monthly average pumping rate is the maximum total gallons pumped for any month between 2002 and <br /> 2007, divided by 43,776 minutes. <br /> I:\Project\9000s\9837.005\4000 REG ULATORY\Tables\Table 4.x1s AMEC Geomatrix, Inc. <br />