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Parameters <br />Units <br />2004 <br />2005 <br />2006 <br />2007 <br />2008 <br />2009 <br />2010 <br />2011 <br />Statistics <br />Mean <br />Min. <br />Max. <br />Depth, mean <br />feet <br />8.8 <br />8 5 <br />8.4 <br />8.2 <br />8 1 <br />8.25 <br />7.9 <br />8.3 <br />7 8 <br />Depth, minimum <br />feet <br />7.8 <br />8.1 <br />8 4 <br />8 <br />7.9 <br />8.2 <br />7 9 <br />8.0 <br />7.3 <br />5 7 <br />Depth, maximum <br />feet <br />9.1 <br />8 8 <br />8.4 <br />8.3 <br />8 3 <br />8.3 <br />7.9 <br />8.5 <br />8 6 <br />17.7 <br />pH mean (field) <br />standard <br />8.48 <br />8.58 <br />8 2 <br />8.5 <br />8 2 <br />8.25 <br />7 4 <br />7 89 <br />8.09 <br />pH minimum (field) <br />standard <br />8.3 <br />8 4 <br />8.23 <br />8.35 <br />8.1 <br />8.2 <br />7.4 <br />7.31 <br />7 65 <br />6 3 <br />pH maximum (field) <br />standard <br />8.74 <br />8.75 <br />8 25 <br />8.66 <br />8.2 <br />8.3 <br />7 4 <br />8.14 <br />8.51 <br />10.3 <br />pH (lab) <br />standard <br />7.55 <br />7 85 <br />7 55 <br />8.3 <br />Conductivity, mean <br />umhos/cm <br />374 <br />1140 <br />1091 <br />449 <br />298 <br />535.5 <br />489 <br />514 <br />391.16 <br />Conductivity, minimum <br />umhos /cm <br />163 <br />478 <br />727 <br />359 <br />237 <br />320 <br />489 <br />501 <br />248 62 <br />64 <br />Conductivity, maximum <br />umhos /cm <br />485 <br />1802 <br />1455 <br />520 <br />360 <br />751 <br />489 <br />522 <br />582 93 <br />1840 <br />Temperature, mean <br />°C <br />11.3 <br />8.65 <br />11.3 <br />10.6 <br />11.35 <br />9.4 <br />9.7 <br />11.7 <br />12.74 <br />Temperature, minimum <br />°C <br />9.2 <br />5.9 <br />10.8 <br />9.6 <br />9.5 <br />9.1 <br />9.7 <br />10.1 <br />8 76 <br />4.2 <br />Temperature, maximum <br />°C <br />12.4 <br />11.4 <br />11.7 <br />11.6 <br />13.2 <br />9.7 <br />9.7 <br />12.3 <br />13.48 <br />20 5 <br />Dissolved oxygen <br />ppm <br />3.38 <br />Iron (total) <br />mg /1 <br />7.22 <br />18.3 <br />65 <br />55.4 <br />24.8 <br />14.98 <br /><.03 <br />65 <br />Iron (total recoverable) <br />mg /1 <br />14.7 <br />60.7 <br />55.4 <br />32.9 <br />25.99 <br />4.48 <br />60 7 <br />Iron (dissolved) <br />mg/1 <br />0.65 <br />0.58 <br />0.1 <br />0.12 <br />0.19 <br /><0.01 <br />0.43 <br />0.1 <br />0.96 <br />TSS <br />mg /1 <br />48 <br />120 <br />94 <br />69 <br />66.11 <br />4 <br />450 <br />TDS @ 180C <br />mg /1 <br />60 <br />60 <br />100 <br />170 <br />110 <br />280 <br />280 <br />119 74 <br />60 <br />280 <br />TDS (calculated) <br />mg /1 <br />75 <br />74 <br />96 <br />107.36 <br />64 <br />264 <br />TCS <br />mg /1 <br />62.57 <br /><10 <br />130 <br />Carbonate <br />mg /1 <br />3 <br /><2 <br /><2 <br />5 <br /><2 <br /><1 <br /><1 <br />2.56 <br /><1 <br />6 <br />Bicarbonate <br />mg /1 <br />57 <br />45 <br />84 <br />152 <br />104 <br />270 <br />170 <br />104 46 <br />43 <br />270 <br />Manganese <br />mg /I <br />0.06 <br />0.005 <br />0.18 <br />Manganese (total) <br />mg /I <br />0.071 <br />0.127 <br />0.291 <br />0.37 <br />0.191 <br />0.22 <br />0.19 <br />0 18 <br />0 013 <br />0 65 <br />Manganese (dissolved) <br />mg /I <br />0.015 <br />0.04 <br />0.011 <br />0.047 <br />0.029 <br />0.014 <br />0 16 <br />0.04 <br />0.006 <br />0.198 <br />Sodium <br />mg /1 <br />17 <br />19 <br />13.457 <br />9 <br />19 <br />Sodium (dissolved) <br />mg /1 <br />10 <br />1 l 1 <br />11.5 <br />15.4 <br />12.5 <br />12.53 <br />8.5 <br />22.8 <br />Chloride <br />mg /1 <br />11 <br />13 <br />10 <br />9 <br />9 <br />8 <br />9.5 <br />6 56 <br />1.2 <br />14 <br />Sulfate <br />mg /1 <br /><10 <br /><10 <br /><10 <br />12 <br />7 <br />32 <br />40 5 <br />15.334 <br />2 <br />40.5 <br />Calcium <br />mg /1 <br />64 <br />62 <br />23.76 <br />5.63 <br />64 <br />Calcium (dissolved) <br />mg /I <br />9.8 <br />14.4 <br />15.8 <br />32.6 <br />25 4 <br />18.18 <br />8 9 <br />60.7 <br />Magnesium <br />mg /I <br />16 <br />16 <br />8.06 <br />4.5 <br />16 <br />Magnesium (dissolved) <br />mg /I <br />5.9 <br />6.5 <br />7.5 <br />12.7 <br />7.8 <br />7.46 <br />0.015 <br />14 6 <br />Potassium <br />mg/1 <br />1.4 <br />12 <br />1.14 <br />0.5 <br />1.6 <br />Potassium (dissolved) <br />mg /I <br />0.7 <br />0.9 <br />0.9 <br />2 3 <br />0.9 <br />1.08 <br />0.7 <br />2.3 <br />Hydroxide <br />mg /1 <br /><2 <br /><2 <br /><2 <br /><2 <br />0.44 <br /><0 05 <br />0.5 <br />Fluoride <br />mg /1 <br />0.21 <br />0.1 <br />0.3 <br />Lead <br />mg /1 <br />0.03 <br />0.005 <br />0 05 <br />Lead (dissolved) <br />mg /1 <br /><0 001 <br />< 0001 <br /><.0001 <br /><.0002 <br />Selenium <br />mg /1 <br />0.03 <br /><0.001 <br />0.05 <br />Selenium (dissolved) <br />mg /1 <br /><0.002 <br />< 001 <br /><.002 <br /><.001 <br />Mercury <br />mg /1 <br />SAR <br />standard <br />0.63 <br />0.61 <br />0.6 <br />0.58 <br />0.56 <br />0.49 <br />0 56 <br />0.64 <br />0.313 <br />0.99 <br />Settleable solids <br />mg /1 <br />Zinc (dissolved) <br />mg /1 <br />0.005 <br />0.005 <br />0.005 <br />0.005 <br />Hardness <br />m1/1 <br />49 <br />63 <br />70 <br />134 <br />96 <br />230 <br />220 <br />102.90 <br />41 <br />230 <br />Table B -3. PAW -1, Ground W <br />