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0 0 0 <br />MWJC-1 Data Ground Water Well Lower Jeff Canyon Summary of Water Quality Data <br /> STATISTICS <br />Parameters Year 1996 1997 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 Mean Minimum M aximum <br />Depth, Mean feet 21.6 21.3 21.2 21.6 21.1 22.1 21.1 21.5 20.5 21.3 21.1 21.4 21.7 21.3 20.5 22.1 <br />Depth, Minimum feet 20.8 20.1 20.8 21.5 21.5 19.9 21.3 19.4 21.1 19.9 21.0 20.7 19.4 21.5 <br />Depth, Maximum feet 25.0 21.9 21.6 21.8 23.2 21.8 21.6 21.5 21.4 21.9 21.7 21.7 22.1 21.5 25.0 <br />pH Mean (field) standard 7.79 7.7 7.78 7.45 7.5 8.1 8.13 7.89 7.85 7.87 7.92 8.05 7.64 7.82 7.45 8.13 <br />pH, Minimum (field) standard 7.44 7.34 7.47 7.4 7.9 7.5 7.8 7.8 7.8 7.9 7.6 7.63 7.3 7.9 <br />H Maximum field standard 8.05 8.25 8.21 7.5 8.4 8.2 7.9 7.9 8.0 8.2 8.05 7.5 8.4 <br />H Lab standard 7.9 8 7.6 7.6 8.1 7.9 8.1 8.0 8.1 8.3 8.3 8.1 8.00 7.5 8.4 <br />Conductance, Mean umhos/cm 974 918 946 1171 1210 2590 1945 1536 1701 1703 2251 1365 905 1478.08 918 2251 <br />Conductance, Minimum umhos/cm 628 593 707 1143 935 835 1671 1590 2200 1215 905 1129.27 593.0 2200 <br />Conductance, Maximum 1667 1132 1097 1198 3140 1915 1733 1816 2320 1635 1765.30 1097 3140 <br />Conductive 25°C umhos/cm 1165 1107 882 1370 2120 1845 1720 1790 2210 1700 1460 1579.00 1107 2210 <br />Temperature, Mean °c 13.4 11.7 12.5 11.7 12 5.6 12.8 14.2 12.8 13.2 13.8 14.5 12.7 12.38 11.7 14.2 <br />Temperature, Minimum °c 5.4 9.6 12.1 11.6 10.7 13.4 12.5 12.1 12.1 13.2 12.7 11.40 5.4 13.4 <br />Temperature, Maximum °c 22 13.9 13.2 11.7 15.8 15.1 13.2 14.3 14.3 15.8 14.93 11.7 15.8 <br />Cation-Anion Balance % 1 2 1 -0.6 -0.5 -0.5 1.6 -2.9 -3.9 -4.4 -0.45 0.8 -8.6 -1.19 -4.4 1.6 <br />Sum of Anions meq/1 13.13 12.83 9.6 16.6 21.7 22.2 22.75 21.1 22.4 23.45 18.7 17.1 18.46 9.6 23.45 <br />Sum of Cations meq/1 13.35 13.43 9.7 16.4 21.5 22.9 21.45 19.5 20.5 23.25 19 14.4 17.95 9.7 23.25 <br />Dissolved Oxygen ppm 6 6.00 <br />Iron (total) mg/1 16.85 26.08 54.3 68.4 1.16 51.6 39.9 24.3 14.3 13.8 0.48 5.13 26.36 0.48 68.4 <br />Iron (total recoverable) mg/1 49.4 56.5 76.1 1.78 49.05 34.05 23 7 13.6 0.43 8.77 29.06 0.43 76.1 <br />Iron dissolved mg/1 0.03 1.09 0.56 0.03 1.09 <br />TDS @ 180C mg/1 730 693 530 870 1310 1285 1290 1290 1310 1340 1070 970 1057.33 530 1340 <br />TDS (calculated) mg/1 749 737 550 952 1310 1290 1240 1190 1250 1340 1060 911 1048.25 550 1340 <br />TDS Ratio Meas/Calc. mg/1 1 1 1 0.91 1 1 1.04 1.08 1.05 1 1.01 1.06 1.01 0.91 1.05 <br />Total Alkalinity mg/1 406 405 307 470 310 521 670 485 536 495 450 446 458.42 307 536 <br />Carbonate mg/1 <2 <2 <2 <2 <2 <2 <2 <2 <2 10 <2 <2 <2 10 <br />Bicarbonate mg/1 406 405 307 470 310 521 670 485 536 485 450 446 457.58 307 536 <br />Manganese (total) mgn 0.283 0.438 0.77 0.882 0.019 0.61 0.47 0.242 0.155 0.16 <.005 0.088 0.37 <.005 0.882 <br />Manganese dissolved mg/1 0.009 0.071 <.005 <.005 <.005 <.005 <.005 <.005 0.025 <.005 <.005 0.012 0.03 <.005 0.071 <br />Sodium dissolved mg/1 182.5 185.7 137 217 211 323 280 237 243 274 224 172 223.85 172 323 <br />Chloride mg/1 6 7 6 10 97 142 98 68 88 184 120 91 76.42 6 184 <br />Sulfate mg/1 228 213 160 330 610 370 315 450 440 400 300 270 340.50 160 610 <br />Calcium dissolved mg/1 51.6 49.7 37.3 65.3 129 81.75 85 85.8 92 102 82.4 62 76.99 37.3 129 <br />Magnesium (dissolved) mg/1 32.2 31.1 22 41.7 68.7 54.6 58 56.9 61.4 72 59.5 43.7 50.15 22 72 <br />Potassium dissolved mg/1 4.2 4.2 3.2 5.5 5.3 5.3 5.3 5.5 5.5 6.1 5.6 4.4 5.01 3.2 6.1 <br />Hydroxide mgn <2 <2 <2 <2 <2 <2 <2 <2 <2 <2 <2 <br />Fluoride mg/1 0.7 0.7 0.70 <br />Mercury mg/1 <.0002 <.0002 <.0002 <br />SAR standard 4.99 5.16 4.45 5.22 3.78 6.89 5.81 4.93 4.87 5.14 4.65 4.14 5.00 3.78 6.89 <br />Zinc mg/1 <br />Hardness mg/1 261 252 184 335 605 429 450 448 482 551 451 335 398.58 184 605