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Table B -7. NEW -2, West Portal Shaft, Summary of Water Quality Data <br />1995 <br />1996 <br />1997 <br />1998 <br />1999 <br />2000 <br />2001 <br />2002 <br />2003 <br />2004 <br />2005 <br />2006 <br />2007 <br />2008 <br />2009 <br />2010 <br />2011 <br />Statistics <br />Parameters <br />Units <br />Mean <br />Min. <br />Max. <br />Depth, mean <br />feet <br />366.9 <br />361.3 <br />352 4 <br />349.3 <br />344 8 <br />337.7 <br />332.8 <br />328 8 <br />326.4 <br />324.8 <br />321.3 <br />322.0 <br />321.6 <br />321.6 <br />382 <br />370.6 <br />366.6 <br />343 0 <br />321.3 <br />382 <br />Change depth/year <br />feet <br />5.6 <br />8 9 <br />3 1 <br />4.5 <br />7.1 <br />4.9 <br />4 <br />2 4 <br />1.6 <br />3.5 <br />-0.7 <br />0.4 <br />0 <br />-60 4 <br />11.4 <br />4 <br />0 0 <br />-60.4 <br />11.4 <br />Depth, minimum <br />feet <br />364.8 <br />356.7 <br />333.0 <br />347.1 <br />341 5 <br />335.5 <br />330.9 <br />327.4 <br />325.5 <br />322 I <br />320.7 <br />321.9 <br />321 2 <br />321.2 <br />382 <br />336.8 <br />320.7 <br />382 <br />Depth, maximum <br />feet <br />370 2 <br />364.2 <br />356.3 <br />351 4 <br />346 6 <br />339 9 <br />334,0 <br />330.7 <br />327 3 <br />327 4 <br />321.8 <br />322 0 <br />322.0 <br />322.1 <br />382 <br />341.2 <br />321 8 <br />382 <br />pH mean (field) <br />standard <br />7.94 <br />8 22 <br />8.45 <br />8.32 <br />7 9 <br />7.3 <br />7 5 <br />8 2 <br />8.28 <br />8 1 <br />8.62 <br />8 75 <br />8.15 <br />8.1 <br />8.13 <br />pH minimum (field) <br />standard <br />7.15 <br />7.1 <br />7.63 <br />7 65 <br />7.4 <br />7 9 <br />7 8 <br />7.8 <br />7.55 <br />7.1 <br />pH maximum (field) <br />standard <br />8.51 <br />8 67 <br />8.84 <br />8.67 <br />8 48 <br />8.4 <br />8.76 <br />8 7 <br />8.63 <br />8.84 <br />pH (lab) <br />standard <br />8.5 <br />8.5 <br />8.2 <br />8.4 <br />8.2 <br />8.5 <br />Conductivity, mean <br />umhos/cm <br />1459 <br />660 <br />990 <br />973 <br />972 <br />410 <br />1 120 <br />1059 <br />1303 <br />1363 <br />1121 <br />1155 <br />540 <br />1930 <br />1075 36 <br />Conductivity, minimum <br />umhos /cm <br />692 <br />124 <br />600 <br />760 <br />910 <br />832 <br />1100 <br />1113 <br />766 38 <br />124 <br />Conductivity, maximum <br />umhos /cm <br />2190 <br />1141 <br />2186 <br />1145 <br />1031 <br />1555 <br />1505 <br />1495 <br />1531.00 <br />2190 <br />Temperature, mean <br />°C <br />19.8 <br />16 4 <br />15.4 <br />15.4 <br />12 <br />12.2 <br />12 4 <br />13.4 <br />14 3 <br />13.5 <br />15 <br />15.7 <br />15.1 <br />15.3 <br />14.71 <br />Temperature, minimum <br />°C <br />17.4 <br />14 <br />9.6 <br />10.2 <br />6.5 <br />11.7 <br />12.5 <br />12 4 <br />11.79 <br />6 5 <br />Temperature, maximum <br />°C <br />22.3 <br />18 <br />18.6 <br />19.2 <br />15.2 <br />16 9 <br />16.01 <br />15.6 <br />17.73 <br />22.3 <br />Dissolved oxygen <br />ppm <br />6.8 <br />3.7 <br />5.25 <br />Iron (total) <br />mg /1 <br />0.61 <br />1.61 <br />0.39 <br />0.4 <br />1.1 <br />1.36 <br />0.61 <br />0 9 <br />2.15 <br />0.41 <br />0.14 <br />0.88 <br />0 14 <br />2.15 <br />Iron (total recoverable) <br />mg /1 <br />0.17 <br />0.31 <br />2.38 <br />3.12 <br />0.37 <br />0.14 <br />1.08 <br />0.14 <br />3.12 <br />Iron (dissolved) <br />mg /1 <br />0.4 <br />0.0007 <br />0.09 <br />0.38 <br />0.09 <br />0.13 <br />0.18 <br />0.0007 <br />0.4 <br />TSS <br />mg /1 <br />14 <br />34 <br /><5 <br /><5 <br />14 <br /><5 <br /><5 <br />20.67 <br /><5 <br />34 <br />TDS @ 180C <br />mg/1 <br />740 <br />470 <br />610 <br />620 <br />670 <br />1380 <br />780 <br />700 <br />680 <br />670 <br />730 <br />460 <br />709.17 <br />460 <br />1380 <br />TDS (calculated) <br />mg /1 <br />1060 <br />478 <br />619 <br />643 <br />655 <br />767 <br />728 <br />674 <br />727 <br />705 67 <br />478 <br />1060 <br />TCS <br />mg /1 <br />Carbonate <br />mg /I <br />27 <br /><2 <br />26 <br />23 <br /><I <br />26 <br />40 <br /><2 <br />77 <br />56 <br />25 <br />37.50 <br /><2 <br />77 <br />Bicarbonate <br />mg /I <br />577 <br />389 <br />464 <br />495 <br />543 <br />601 <br />533 <br />547 <br />526 <br />546 <br />342 <br />505.73 <br />342 <br />601 <br />Manganese <br />mg /1 <br />Manganese (total) <br />mg /I <br />0.014 <br />0 582 <br />0.005 <br /><.005 <br />0.019 <br />0.021 <br />0.013 <br />0 025 <br />0.013 <br />0.09 <br /><0 005 <br />0.582 <br />Manganese (dissolved) <br />mg /1 <br /><.005 <br /><.005 <br />0.012 <br />0.024 <br />0.012 <br /><.005 <br />0.01 <br />0.005 <br />0 005 <br />0.01 <br /><0.005 <br />0 024 <br />Sodium <br />mg /1 <br />602 <br />122 <br />362.00 <br />122 <br />602 <br />Sodium (dissolved) <br />mg /1 <br />245 <br />253 <br />264 <br />300 <br />287 <br />273 <br />274 <br />291 <br />162 <br />261 00 <br />162 <br />300 <br />Chloride <br />mg /1 <br />9 <br />8 <br />7 <br />8 <br />5 <br />8 <br />7 <br />7 <br />7 <br />5 <br />7.10 <br />5 <br />9 <br />Sulfate <br />mg /I <br />58 <br />50 <br />50 <br />50 <br />50 <br />60 <br />50 <br />40 <br />47 <br />35 <br />49.00 <br />35 <br />60 <br />Calcium <br />mg /1 <br />6.4 <br />42.3 <br />24.35 <br />6.4 <br />42.3 <br />Calcium (dissolved) <br />mg /1 <br />3.3 <br />3.2 <br />3.4 <br />4 <br />4.7 <br />4 3 <br />4.3 <br />22.6 <br />6.23 <br />3.2 <br />22 6 <br />Magnesium <br />mg /1 <br />3 2 <br />17.4 <br />2 <br />7 53 <br />2 <br />17.4 <br />Magnesium (dissolved) <br />mg /1 <br />1.1 <br />1 <br />1.2 <br />1 5 <br />1.4 <br />1.4 <br />1.4 <br />1.5 <br />4 <br />1.61 <br />1 <br />4 <br />Potassium <br />mg /I <br />5 7 <br />3.8 <br />4 75 <br />3.8 <br />5 7 <br />Potassium (dissolved) <br />mg /1 <br />7 <br />6 <br />5.7 <br />6 8 <br />7.9 <br />8 <br />7.3 <br />7.7 <br />4.4 <br />6.76 <br />4 4 <br />8.00 <br />Hydroxide <br />mg /I <br /><2 <br /><2 <br /><2 <br /><2 <br /><2 <br /><2 <br /><2 <br /><2 <br /><2 <br /><2 <br />Fluoride <br />mg /1 <br />1.2 <br />0.7 <br />1.4 <br />1.1 <br />1.10 <br />0.7 <br />1.4 <br />Lead <br />mg /1 <br /><.02 <br />0.09 <br />0.09 <br /><0 02 <br />0.09 <br />Lead (dissolved) <br />mg /1 <br /><.001 <br />0.001 <br />0.002 <br />0.0007 <br />0.0012 <br />0.0007 <br />0.002 <br />Selenium <br />mg /1 <br />0 005 <br />0.003 <br />0 004 <br />0.003 <br />0.005 <br />Selenium (dissolved) <br />mg /1 <br />0.01 <br />0.005 <br />0.005 <br />0 005 <br />0.0063 <br />0.005 <br />0.01 <br />SAR <br />standard <br />49.1 <br />4.03 <br />30.2 <br />32 <br />31.7 <br />32.8 <br />30.2 <br />29.6 <br />29.7 <br />31.1 <br />8.35 <br />28.07 <br />4.03 <br />49.1 <br />Settleable solids <br />mg /I <br />Zinc <br />mg /1 <br />Hardness <br />mg/I <br />29 <br />13 <br />12 <br />13 <br />16 <br />18 <br />17 <br />17 <br />17 <br />73 <br />22.5 <br />12 <br />73 <br />Table B -7. NEW -2, West Portal Shaft, Summary of Water Quality Data <br />