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• • <br />MWLO-East Data Ground Water Well Loadout East Summary of Water Quality Data <br />• <br /> STATISTICS <br /> <br />Parameters Year 2002 2003 2004 2005 2006 2007 Mean Minimum Maximum <br />Depth, Mean feet 12.7 7.7 8.0 8.8 9.6 8.9 9.3 7.7 12.7 <br />Depth, Minimum feet 8.3 7.6 7.8 8.1 8.8 8.3 8.1 7.6 8.8 <br />Depth, Maximum feet 15.2 7.7 8.1 9.6 10.0 9.5 10.0 7.7 15.2 <br />pH Mean (field) standard 8.15 7.85 7.825 7.87 7.82 7.90 7.82 8.15 <br />pH, Minimum (field) standard 8.1 7.57 7.55 7.84 7.7 7.88 7.77 7.6 8.1 <br />H Maximum field standard 8.2 8.09 8.1 7.9 7.9 8.26 8.08 7.9 8.26 <br />H Lab standard 7.5 7.5 7.9 8.35 8.3 7.91 7.5 8.35 <br />Conductance, Mean umhos/cm 1133 918 725 848 1034 719 896.17 725 1133 <br />Conductance, Minimum umhos/cm 656 777 561 747 970 393 684.00 393.0 970 <br />Conductance, Maximum 1609 1021 890 949 1095 1045 1101.50 890 1609 <br />Conductivity 25°C umhos/cm 855 943 724 1060 393 795.00 393 1060 <br />Temperature, Mean °c 15.6 14.6 13.4 14 13.25 14.7 14.26 13.25 15.6 <br />Temperature, Minimum °c 15.4 13.5 13 11.6 11.3 14.1 13.15 11.3 15.4 <br />Temperature, Maximum °c 15.8 16.9 13.8 16.4 15.4 15.3 15.60 13.8 16.9 <br />Cation-Anion Balance % -1.7 -2.75 -3 -0.45 0 -1.58 -1.7 -3 <br />Sum of Anions meg/1 9 11.05 8.6 11 4.2 8.77 8.6 11.05 <br />Sum of Cations man 8.50 10.5 8.1 10.9 4.2 8.44 8.1 10.9 <br />Dissolved Oxygen ppm <br />Iron (total) mg/1 92.3 8.33 17 39.35 17.2 34.84 8.33 92.3 <br />Iron (total recoverable) mgn 87.85 7.16 14.1 40.94 17.7 33.55 7.16 87.85 <br />Iron dissolved mgn <br />TDS @ 180C mgn 505 585 460 595 240 477.00 460 595 <br />TDS (calculated) rngA 489 592 450 600 223 470.80 489 600 <br />TDS Ratio Meas/Calc. mg/1 1.06 0.99 1.02 0.99 1.08 1.03 0.99 1.06 <br />Total Alkalinity mgn 246 335 298 351 159 277.80 246 351 <br />Carbonate mgn <2 <2 <2 9.5 <2 <2 9.5 <br />Bicarbonate mgn 246 335 298 341.5 159 275.90 246 335 <br />Manganese (total) mgn 2.957 0.45 0.453 0.77 13.8 3.69 0.45 13.8 <br />Manganese dissolved mg/1 0.087 0.163 0.072 0.18 0.009 0.10 0.072 0.18 <br />Sodium dissolved mgn 55 80 40.6 126 25.4 65.40 25.4 126 <br />Chloride mg/1 62 62 29 76 11 48.00 11 80 <br />Sulfate mgn 115 125 90 90 37 91.40 37 125 <br />Calcium dissolved mg/1 85.75 96.8 84.4 66.85 38.9 74.54 38.9 96.8 <br />Magnesium (dissolved) mg/1 20.8 11.28 25.2 23.3 13.8 18.88 11.28 25.2 <br />Potassium dissolved mgn 3 2.9 2.2 3.25 1.7 2.61 1.7 3.25 <br />Hydroxide mgn <2 <2 <2 <2 <2 <2 <br />Fluoride mgn <br />Mercury mgn <br />SAR standard 1.37 1.9 1.01 3.45 0.9 1.73 0.9 3.45 <br />Zinc mg/1 <br />Hardness mgn 300 344 315 263 154 275.20 154 344