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Parameters <br />Units <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 />15.7 <br />14 9 <br />14.4 <br />13.3 <br />16.4 <br />15.15 <br />16 6 <br />13.9 <br />Depth, minimum <br />feet <br />15 <br />14.5 <br />13.1 <br />16 4 <br />15.15 <br />16.3 <br />12.8 <br />6.0 <br />Depth, maximum <br />feet <br />16.4 <br />15 2 <br />13 5 <br />16.4 <br />15.15 <br />16 9 <br />15.1 <br />17.0 <br />pH mean (field) <br />standard <br />7 79 <br />7.94 <br />7 75 <br />7.7 <br />8.1 <br />7.14 <br />7.41 <br />7.6394 <br />pH minimum (field) <br />standard <br />7 48 <br />7.66 <br />7.7 <br />7.6 <br />8.1 <br />7.14 <br />7.03 <br />7 22 <br />5.9 <br />pH maximum (field) <br />standard <br />8.1 <br />8.21 <br />7 8 <br />7.8 <br />8.1 <br />7.14 <br />7 76 <br />7.90 <br />8.9 <br />pH (lab) <br />standard <br />7.21 <br />7.46 <br />7.1 <br />8 0 <br />Conductivity, mean <br />umhos /cm <br />797 <br />585 <br />604 <br />599 <br />610 <br />667 <br />440 <br />680.41 <br />Conductivity, minimum <br />umhos/cm <br />732 <br />535 <br />589 <br />593 <br />295 <br />667 <br />357 <br />520 81 <br />147 <br />Conductivity, maximum <br />umhos/cm <br />862 <br />635 <br />620 <br />605 <br />925 <br />667 <br />677 <br />870 15 <br />1940 <br />Temperature, mean <br />°C <br />9 3 <br />11.8 <br />11.9 <br />11.4 <br />9.55 <br />12.7 <br />12 4 <br />11 56 <br />Temperature, minimum <br />°C <br />6.8 <br />11 4 <br />11.7 <br />10.1 <br />9.3 <br />12.7 <br />10 6 <br />9.60 <br />6.3 <br />Temperature, maximum <br />°C <br />11.8 <br />12.1 <br />12.2 <br />12.7 <br />9.8 <br />12.7 <br />13.4 <br />13.51 <br />20.5 <br />Dissolved oxygen <br />ppm <br />2.82 <br />Iron (total) <br />mg/1 <br />76.4 <br />29 4 <br />110 <br />30.8 <br />84 <br />66.04 <br /><0.03 <br />608 <br />Iron (total recoverable) <br />mg/1 <br />81.5 <br />28.8 <br />99.4 <br />29.1 <br />84 <br />47.68 <br />5.9 <br />99.4 <br />Iron (dissolved) <br />mg/I <br />0.6 <br />0 08 <br />4.04 <br />0.8 <br /><0.01 <br />0 066 <br />0.80 <br /><0 01 <br />4.04 <br />TSS <br />mg/1 <br />352 <br />160 <br />330 <br />109 <br />285 76 <br />0.7 <br />1800 <br />TDS @ 180C <br />mg/I <br />420 <br />290 <br />330 <br />460 <br />390 <br />305 <br />417.15 <br />70 <br />790 <br />TDS (calculated) <br />mg/1 <br />409 <br />297 <br />340 <br />430.17 <br />91 <br />786 <br />TCS <br />mg/1 <br />97.50 <br />5 <br />262 <br />Carbonate <br />mg/1 <br /><2 <br /><2 <br /><2 <br /><2 <br /><1 <br /><1 <br /><1 <br />7 08 <br /><1 <br />40 <br />Bicarbonate <br />mg/1 <br />276 <br />252 <br />267 <br />264 <br />410 <br />380 <br />380 <br />341 <br />50 <br />560 <br />Manganese <br />mg/I <br />1.33 <br />0.81 <br />2.5 <br />Manganese (total) <br />mg/1 <br />1 85 <br />1.2 <br />2.06 <br />1.35 <br />1.8 <br />1.3 <br />1.3 <br />1.24 <br />0.017 <br />2.525 <br />Manganese (dissolved) <br />mg/I <br />1.38 <br />0 926 <br />1.2 <br />1 17 <br />1.3 <br />0.085 <br />0.83 <br />0.98 <br />0.012 <br />1 73 <br />Sodium <br />mg/I <br />45 <br />47 <br />45 <br />46.04 <br />2.4 <br />108 <br />Sodium (dissolved) <br />mg/1 <br />72 <br />35 8 <br />43.6 <br />49.2 <br />96.63 <br />17 <br />287 <br />Chlonde <br />mg/I <br />6 <br />4 <br />4 <br />5 <br />6 <br />4 <br />3 <br />5.09 <br />2 <br />10 <br />Sulfate <br />mg/1 <br />60 <br />30 <br />45 <br />37 <br />52 <br />44 <br />69 5 <br />68.31 <br />10 <br />153 <br />Calcium <br />mg/1 <br />81 <br />82 <br />86 <br />72.79 <br />8.6 <br />139 <br />Calcium (dissolved) <br />mg/1 <br />83 <br />60.1 <br />70 8 <br />70.9 <br />59.93 <br />4 7 <br />99 1 <br />Magnesium <br />mg/I <br />17 <br />17 <br />16 <br />13.88 <br />1.5 <br />28.1 <br />Magnesium (dissolved) <br />mg/I <br />17.3 <br />12 9 <br />14.6 <br />14.5 <br />13.04 <br />0.987 <br />22 <br />Potassium <br />mg/( <br />2 8 <br />2.8 <br />2.2 <br />2.47 <br />0.7 <br />4.5 <br />Potassium (dissolved) <br />mg/I <br />3.2 <br />2.3 <br />2.5 <br />2.8 <br />3 18 <br />1.5 <br />7 9 <br />Hydroxide <br />mg/I <br /><2 <br /><2 <br /><2 <br />0.44 <br /><1 0 <br />0.5 <br />Fluonde <br />mg/1 <br />0.26 <br />0.1 <br />0 7 <br />Lead <br />mg/I <br />0.08 <br />0.005 <br />0.48 <br />Lead (dissolved) <br />mg/1 <br /><0.001 <br /><0.001 <br />0.0007 <br />Selenium <br />mg/l <br />0.024 <br />0.001 <br />0.05 <br />Selenium (dissolved) <br />mg/1 <br /><0 002 <br /><0 001 <br />0.005 <br />Mercury <br />mg/I <br />SAR <br />standard <br />1.9 <br />1.11 <br />1.25 <br />141 <br />1.2 <br />1.2 <br />1.2 <br />2.78 <br />0.78 <br />30.2 <br />Settleable solids <br />mg/1 <br />Zinc (dissolved) <br />mg/1 <br />0.007 <br />0.007 <br />0.007 <br />0.007 <br />Hardness <br />mg/1 <br />279 <br />202 <br />237 <br />237 <br />270 <br />270 <br />280 <br />224.5 <br />18 <br />332 <br />Table B -4. PAW -2, Ground <br />