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Parameters <br />Units <br />1984 <br />1985 <br />1986 <br />1987 <br />1988 <br />1989 <br />1990 <br />1991 <br />1992 <br />1993 <br />1994 <br />1995 <br />1996 <br />1997 <br />1998 <br />1999 <br />2000 <br />2001 <br />2002 <br />2003 <br />Depth, mean <br />feet <br />6.3 <br />6.2 <br />6.4 <br />7 5 <br />6.6 <br />8.6 <br />7.5 <br />7.5 <br />8.3 <br />7.9 <br />6.8 <br />9 8 <br />7.9 <br />8.1 <br />7.4 <br />7.4 <br />8 3 <br />8.3 <br />8.2 <br />8 3 <br />Depth, minimum <br />feet <br />6.2 <br />5.7 <br />6 1 <br />6 <br />6 5 <br />7.8 <br />7.5 <br />7 <br />7.3 <br />7.4 <br />6 <br />7 <br />7 3 <br />7.9 <br />6.9 <br />6 9 <br />8.1 <br />8.1 <br />7 1 <br />7.8 <br />Depth, maximum <br />feet <br />6.7 <br />6.5 <br />7 <br />9.2 <br />6 7 <br />11 <br />7 6 <br />8 <br />9 <br />8.3 <br />8.5 <br />17.7 <br />8.5 <br />8.4 <br />7 9 <br />8.2 <br />8.4 <br />8.4 <br />8.8 <br />9 1 <br />pH mean (field) <br />standard <br />7 <br />7.2 <br />7 2 <br />7 96 <br />8 92 <br />7 45 <br />7.96 <br />8 11 <br />8.2 <br />8.31 <br />8 9 <br />8 88 <br />8 27 <br />8 895 <br />7.54 <br />7 99 <br />7.5 <br />7.71 <br />8.23 <br />8.81 <br />pH minimum (field) <br />standard <br />6.6 <br />6.9 <br />6.3 <br />7.2 <br />7 6 <br />7.1 <br />6.8 <br />7 1 <br />7.2 <br />7.86 <br />8.89 <br />8 32 <br />8 14 <br />8.12 <br />7 12 <br />7.7 <br />7.3 <br />7 31 <br />8.1 <br />8.2 <br />pH maximum (field) <br />standard <br />8 <br />7 7 <br />8.2 <br />8.6 <br />10.3 <br />7 8 <br />8.9 <br />9.2 <br />8.91 <br />8.61 <br />8 92 <br />9.31 <br />8.4 <br />9 53 <br />7.85 <br />8 36 <br />7.6 <br />8.1 <br />8.4 <br />9.28 <br />pH (lab) <br />standard <br />7.9 <br />7 8 <br />7.7 <br />8.3 <br />Conductivity, mean <br />umhos /cm <br />325.3 <br />336 <br />248.6 <br />183.4 <br />123.5 <br />117.3 <br />203.2 <br />124.7 <br />815 <br />319.25 <br />246 <br />124 <br />191 <br />155 5 <br />480.1 <br />382 33 <br />180 <br />126 <br />1149 <br />231.9 <br />Conductivity, minimum <br />umhos /cm <br />208 <br />219 <br />207 <br />91 <br />115 <br />113 <br />84 <br />202 <br />111 <br />64 <br />96 <br />131 <br />110 <br />423.4 <br />308 <br />135 <br />433 <br />139.6 <br />Conductivity, maximum <br />umhos /cm <br />394 <br />414 <br />336 <br />328 <br />129 <br />160 <br />323 <br />169 <br />1519 <br />708 <br />672 <br />157 <br />250 <br />192 <br />614 <br />438 <br />224 <br />1840 <br />488 <br />Temperature, mean <br />°C <br />9 3 <br />8.7 <br />10 2 <br />7.6 <br />9 2 <br />10.4 <br />12.67 <br />14.5 <br />16 2 <br />13 06 <br />13 8 <br />13.3 <br />12.2 <br />9.85 <br />10.5 <br />9.43 <br />12 <br />13.9 <br />54.33 <br />11.57 <br />Temperature, minimum <br />°C <br />6.5 <br />6 <br />6.5 <br />4 2 <br />6 <br />7 3 <br />10 <br />11 <br />11.9 <br />11 3 <br />7.2 <br />9.3 <br />12 <br />8.6 <br />7.5 <br />8.4 <br />11.9 <br />8.33 <br />8 7 <br />Temperature, maximum <br />°C <br />12 <br />12.4 <br />12.1 <br />10.6 <br />12.4 <br />13.1 <br />15 4 <br />17.6 <br />20.5 <br />17 1 <br />16.8 <br />20 4 <br />12.4 <br />11 1 <br />15.5 <br />10.5 <br />12 <br />16.8 <br />13.3 <br />Dissolved oxygen <br />ppm <br />4.1 <br />4.4 <br />3.7 <br />1.3 <br />Iron (total) <br />mg /1 <br /><.05 <br />< 05 <br /><.05 <br />0.025 <br />0.05 <br />0.08 <br /><.03 <br />0.015 <br />13 <br />0.15 <br />0.32 <br />7.49 <br />15.7 <br />12.1 <br />15.3 <br />5.77 <br />23 9 <br />16.8 <br />4.48 <br />28.6 <br />Iron (total recoverable) <br />mg/1 <br />13.6 <br />15 9 <br />10.2 <br />4.48 <br />Iron (dissolved) <br />mg /1 <br />0.4 <br />0.12 <br />0.27 <br />0.96 <br />0.9 <br />TSS <br />mg /1 <br />49 <br />450 <br />4 <br />22 <br />68 <br />54 <br />30 <br />20 <br />10 <br />56 <br />30 <br />58 <br />26 <br />42 <br />6 <br />TDS @ 180C <br />mg /1 <br />180 <br />122 <br />153 <br />111 <br />84 <br />64 <br />67 <br />121 <br />90 <br />61 <br />130 <br />110 <br />190 <br />80 <br />260 <br />80 <br />70 <br />60 <br />70 <br />70 <br />TDS (calculated) <br />mg /1 <br />77 <br />198 <br />114 <br />264 <br />74 <br />79 <br />64 <br />66 <br />TCS <br />mg /1 <br />20 <br />130 <br />5 <br />120 <br />90 <br />22 <br /><10 <br />51 <br />Carbonate <br />mg /I <br /><1 <br /><1 <br /><1 <br />0.5 <br />0.5 <br />2 <br /><1 <br />0.5 <br />6 <br />3 <br /><2 <br /><2 <br /><2 <br /><2 <br /><2 <br /><2 <br /><2 <br /><2 <br />Bicarbonate <br />mg /I <br />191 <br />143 <br />150 <br />92 <br />60 <br />64 <br />60 <br />134 <br />73 <br />67 <br />54 <br />160 <br />99 <br />215 <br />64 <br />67 <br />45 <br />53 <br />43 <br />Manganese <br />mg /1 <br />0.18 <br />0 09 <br />0.08 <br />0.02 <br />0.01 <br />0.005 <br />0.005 <br />0.09 <br />Manganese (total) <br />mg /1 <br />0.013 <br />0.123 <br />0.337 <br />0.052 <br />0.65 <br />0.047 <br />0 106 <br />0.15 <br />0.047 <br />0 145 <br />Manganese (dissolved) <br />mg /1 <br />0.006 <br />0.198 <br />0.007 <br /><.005 <br />0.009 <br />0.021 <br />0.015 <br />Sodium <br />mg /1 <br />16 <br />15 <br />17 <br />9 <br />9.9 <br />10.1 <br />9 <br />17 <br />12 <br />10 <br />13.6 <br />13.8 <br />Sodium (dissolved) <br />mg /1 <br />15.2 <br />22.8 <br />12.2 <br />13.6 <br />8.6 <br />8.9 <br />8.5 <br />Chloride <br />mg /I <br />4.3 <br />1.7 <br />1.2 <br />6.2 <br />2.6 <br />21 <br />3.2 <br />3 <br />4.12 <br />4 <br />7 <br />4 <br />4 <br />5 <br />7 <br />8 <br />13 <br />14 <br />Sulfate <br />mg /I <br />22 <br />15 <br />20 <br />11 <br />5 <br />5 <br />14 <br />5 <br />3.52 <br />2 <br />12 <br />30 <br />10 <br />30 <br /><10 <br /><10 <br /><10 <br /><10 <br /><10 <br />Calcium <br />mg /I <br />40 <br />25 <br />30 <br />18 <br />6.7 <br />5.63 <br />7 <br />11.6 <br />11 <br />6.9 <br />6.2 <br />38 6 <br />Calcium (dissolved) <br />mg /1 <br />11 8 <br />60 7 <br />8.9 <br />9 2 <br />9.3 <br />9.1 <br />11.1 <br />Magnesium <br />mg /1 <br />9.6 <br />7.1 <br />8 6 <br />5.6 <br />4.5 <br />5 76 <br />5 <br />9 2 <br />7.2 <br />6 <br />5 1 <br />14.1 <br />4.6 <br />4 6 <br />Magnesium (dissolved) <br />mg /1 <br />11.8 <br />14.6 <br />6 6 <br />7 <br />4 6 <br />4.5 <br />0.015 <br />Potassium <br />mg /1 <br />1.3 <br />1.25 <br />1.36 <br />1.07 <br />0 77 <br />1.04 <br />1 <br />1.51 <br />1.2 <br />0.5 <br />0.7 <br />1 6 <br />Potassium (dissolved) <br />mg /1 <br />1 4 <br />1.5 <br />1 <br />1.1 <br />0.7 <br />0.7 <br />0.8 <br />Hydroxide <br />mg /I <br /><.05 <br />0.25 <br />0.5 <br /><I <br />0.5 <br />0.5 <br /><2 <br /><2 <br /><2 <br /><2 <br /><.2 <br /><2 <br /><.2 <br />Fluoride <br />mg /1 <br />0.2 <br />0.3 <br />0.2 <br />0.2 <br />0.2 <br />0.1 <br />0.21 <br />0 2 <br />0 2 <br />0.3 <br />0.2 <br />0.2 <br />0.2 <br />Lead <br />mg /1 <br /><.01 <br /><.01 <br />0.005 <br />0.025 <br />0 025 <br />0.05 <br />0 025 <br /><.01 <br />0 025 <br /><.02 <br />0.02 <br />Lead (dissolved) <br />mg /1 <br /><.001 <br />< 001 <br /><.001 <br /><.001 <br /><.001 <br /><.0001 <br /><.0002 <br />Selenium <br />mg /I <br />< 01 <br /><.01 <br />0.005 <br />0.05 <br />0.05 <br />< 1 <br />0.05 <br />0 001 <br />0.003 <br /><.001 <br /><.001 <br />Selenium (dissolved) <br />mg /I <br /><.001 <br />< 001 <br /><.001 <br />< 001 <br /><.001 <br /><.002 <br /><.001 <br />Mercury <br />mg /1 <br />SAR <br />standard <br />0.59 <br />0.68 <br />0.7 <br />0.48 <br />0.73 <br />0.72 <br />0.62 <br />0 9 <br />0.313 <br />0 67 <br />0.99 <br />0.48 <br />0.75 <br />0.69 <br />0.76 <br />0 83 <br />0.58 <br />0.61 <br />0.53 <br />Settleable solids <br />mg /1 <br />Zinc (dissolved) <br />mg /1 <br />Hardness <br />mg/1 <br />78 <br />41 <br />48 <br />Table B -3. PAW -1, Ground Water Well above Mine Site, Summary of Water Quality Data <br />