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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 />2004 <br />Depth, mean <br />feet <br />12 6 <br />13.4 <br />14 <br />14 4 <br />14.7 <br />14.5 <br />15.9 <br />13.8 <br />14.2 <br />14.7 <br />8.6 <br />7 1 <br />1 1 <br />9.8 <br />14.7 <br />14 8 <br />14 4 <br />14.3 <br />15.4 <br />15.3 <br />15.7 <br />Depth, minimum <br />feet <br />12.7 <br />12 6 <br />1 3 <br />10.3 <br />14.1 <br />10 <br />15.8 <br />1 1 1 <br />12.1 <br />14.4 <br />6 <br />6 6 <br />7.5 <br />7.7 <br />14.4 <br />14.6 <br />14.4 <br />14.1 <br />14.9 <br />14.6 <br />14.4 <br />Depth, maximum <br />feet <br />13 7 <br />13.9 <br />15.3 <br />17 <br />16.2 <br />16.1 <br />16 <br />15 <br />15.4 <br />15 <br />15.5 <br />7 5 <br />15 2 <br />15.5 <br />15 <br />14.9 <br />14 5 <br />14.6 <br />16.2 <br />16.3 <br />16 4 <br />pH mean (field) <br />standard <br />6.9 <br />6 9 <br />6.8 <br />6.82 <br />7.5 <br />7.4 <br />7.18 <br />7.41 <br />8.3 <br />7.53 <br />8 64 <br />8.61 <br />7.64 <br />7.61 <br />7 48 <br />7.54 <br />7.8 <br />8.1 <br />8.15 <br />7.86 <br />7.9 <br />pH minimum (field) <br />standard <br />6.7 <br />6.5 <br />6.2 <br />6.6 <br />5.9 <br />7 <br />6 35 <br />6.85 <br />7.95 <br />7 16 <br />6.9 <br />8.14 <br />7.58 <br />6.84 <br />6.98 <br />7 7 <br />8 1 <br />7.53 <br />7.9 <br />pH maximum (field) <br />standard <br />7.7 <br />7.3 <br />7.6 <br />7 2 <br />8.5 <br />7.7 <br />7.6 <br />7.84 <br />8.1 <br />8 1 <br />8.0 <br />8 87 <br />7 7 <br />8.1 <br />8.1 <br />7.8 <br />8 3 <br />8 1 <br />7.9 <br />pH (lab) <br />standard <br />8 <br />7.5 <br />7.5 <br />7 1 <br />Conductivity, mean <br />umhos/cm <br />580 <br />722 <br />752 <br />1007 <br />765 <br />597 <br />600 <br />617 <br />968 <br />1082 <br />1054 <br />327 <br />237 <br />331 <br />719 <br />716 <br />809 <br />642 <br />875 <br />556 <br />794 <br />Conductivity, minimum <br />umhos/cm <br />479 <br />521 <br />535 <br />791 <br />600 <br />490 <br />511 <br />398 <br />350 <br />811 <br />556 <br />147 <br />153 <br />222 <br />601 <br />709 <br />773 <br />488 <br />423 <br />736 <br />Conductivity, maximum <br />umhos/cm <br />611 <br />1337 <br />928 <br />1244 <br />877 <br />836 <br />694 <br />891 <br />1341 <br />1350 <br />1940 <br />660 <br />320 <br />443 <br />937 <br />722 <br />844 <br />893 <br />795 <br />840 <br />Temperature, mean <br />°C <br />10 <br />10 <br />10.5 <br />9 78 <br />10.55 <br />11 77 <br />11.99 <br />13.92 <br />13 73 <br />13 82 <br />13.9 <br />15 <br />12.5 <br />10.35 <br />10 6 <br />9 9 <br />12 <br />11.5 <br />12.4 <br />11.3 <br />9.2 <br />Temperature, minimum <br />°C <br />8.8 <br />8.3 <br />9 2 <br />9.1 <br />9 4 <br />9.4 <br />9.1 <br />9.9 <br />6.3 <br />11.5 <br />6.9 <br />9.7 <br />12.4 <br />9.1 <br />9.3 <br />8.9 <br />11 8 <br />9.17 <br />9.1 <br />9.2 <br />Temperature, maximum <br />°C <br />11 9 <br />11 5 <br />11.5 <br />10.2 <br />11.9 <br />13.4 <br />17 1 <br />17.8 <br />20 4 <br />18 <br />17.7 <br />20 5 <br />12.5 <br />12.1 <br />12 8 <br />10.8 <br />12.2 <br />15.6 <br />12.9 <br />9.2 <br />Dissolved oxygen <br />ppm <br />3.3 <br />3.7 <br />2.75 <br />1 54 <br />Iron (total) <br />mg/1 <br />158 <br />608 <br />1.45 <br />2.39 <br />0.06 <br />< 03 <br />0.07 <br />130 <br />2 <br />0.52 <br />3.39 <br />36.4 <br />17.3 <br />52.2 <br />64.7 <br />87.6 <br />8.1 <br />5.62 <br />0.61 <br />76 <br />Iron (total recoverable) <br />mg/1 <br />16.6 <br />76.6 <br />7.23 <br />5 9 <br />iron (dissolved) <br />mg/I <br />0.1 <br />0.52 <br />1.15 <br />0.8 <br />0.21 <br />0 39 <br />TSS <br />mg/I <br />1.79 <br />0.7 <br />248 <br />431 <br />151 <br />1800 <br />650 <br />150 <br />12 <br />92 <br />40 <br />460 <br />410 <br />18 <br />14 <br />TDS <br />mg/I <br />380 <br />306 <br />438 <br />651 <br />339 <br />312 <br />445 <br />677 <br />580 <br />510 <br />70 <br />110 <br />240 <br />110 <br />690 <br />790 <br />590 <br />380 <br />310 <br />700 <br />440 <br />TDS (calculated) <br />mg/I <br />91 <br />230 <br />127 <br />696 <br />786 <br />606 <br />394 <br />728 <br />458 <br />TCS <br />mg/I <br />11 <br />215 <br />5 <br />262 <br />96 <br />31 <br />40 <br />120 <br />Carbonate <br />mg/1 <br /><1 <br /><1 <br /><1 <br />0.5 <br />0.5 <br />0.5 <br /><1 <br />0.5 <br /><5 <br />0.5 <br /><2 <br /><2 <br /><2 <br /><2 <br /><2 <br /><2 <br /><2 <br /><2 <br />40 <br /><2 <br />Bicarbonate <br />mg/1 <br />337 <br />289 <br />379 <br />541 <br />303 <br />244 <br />380 <br />532 <br />500 <br />450 <br />50 <br />64 <br />191 <br />111 <br />465 <br />560 <br />428 <br />321 <br />286 <br />533 <br />355 <br />Manganese <br />mg/1 <br />0.81 <br />1.05 <br />0.93 <br />1.62 <br />117 <br />1.11 <br />137 <br />14 <br />2.5 <br />Manganese (total) <br />mg/I <br />1.2 <br />0 017 <br />0.061 <br />1.05 <br />0.104 <br />1.97 <br />1.76 <br />2.525 <br />1.03 <br />1.11 <br />0 021 <br />1.78 <br />Manganese (dissolved) <br />mg/I <br />0.021 <br />1 73 <br />1.28 <br />1.50 <br />0.944 <br />0.987 <br />0.012 <br />1.34 <br />Sodium <br />mg/I <br />55 <br />43 <br />57 <br />108 <br />32 <br />26 <br />47 <br />2.41 <br />85 <br />89 <br />12 <br />15.8 <br />27.4 <br />Sodium (dissolved) <br />mg/I <br />17 <br />134 <br />178 <br />146 <br />76 <br />49.6 <br />287 <br />71.4 <br />Chlonde <br />mg/I <br />5.3 <br />2.2 <br />2.9 <br />8.2 <br />2 6 <br />2 <br />3 4 <br />4.8 <br />4.99 <br />4 <br />8 <br />10 <br />3 <br />4 <br />8 <br />8 <br />6 <br />4 <br />7 <br />7 <br />Sulfate <br />mg/I <br />63 <br />40 <br />76 <br />115 <br />66 <br />48 <br />76 <br />153 <br />120 <br />89 <br />11 <br />30 <br />10 <br />150 <br />140 <br />110 <br />50 <br />30 <br />60 <br />70 <br />Calcium <br />mg/I <br />60 <br />57 <br />76 <br />98 <br />74 <br />65 <br />92 <br />139 <br />99 <br />70 <br />8.6 <br />9 <br />441 <br />96.8 <br />Calcium (dissolved) <br />mg/I <br />16.6 <br />99 1 <br />68 8 <br />55.9 <br />53.9 <br />4.7 <br />75.4 <br />Magnesium <br />mg/1 <br />1 3 <br />1 1 4 <br />17 <br />19 4 <br />14 <br />11.9 <br />17 <br />28.1 <br />20 <br />14 <br />5.2 <br />6 2 <br />9.3 <br />11.9 <br />1.5 <br />Magnesium (dissolved) <br />mg/1 <br />11.3 <br />20.6 <br />22 <br />14.2 <br />10 7 <br />0.987 <br />1 4 <br />16 <br />Potassium <br />mg/1 <br />3.2 <br />2.3 <br />2.6 <br />2.67 <br />1.94 <br />1.8 <br />3 <br />4.5 <br />4 4 <br />2 <br />0 8 <br />0.7 <br />1.8 <br />Potassium (dissolved) <br />mg/1 <br />1 5 <br />3.4 <br />4 2 <br />3 <br />2 <br />2.4 <br />7.9 <br />3 <br />Hydroxide <br />mg/I <br /><.05 <br />0.25 <br />0 5 <br /><1 <br />0.5 <br />0.5 <br /><2 <br /><2 <br /><2 <br /><2 <br /><2 <br /><2 <br /><2 <br /><2 <br />Fluonde <br />mg/1 <br />0.7 <br />0.2 <br />0.1 <br />0.3 <br />0.2 <br />0.2 <br />0.26 <br />0 26 <br />0.2 <br />0 2 <br />0.3 <br />0.2 <br />0.2 <br />0.3 <br />Lead <br />mg/1 <br />0.48 <br /><.01 <br />0.005 <br />0.025 <br />0.025 <br />< 05 <br />0.025 <br />0 005 <br />0.025 <br /><.02 <br /><.02 <br />Lead (dissolved) <br />mg/I <br /><0 001 <br /><0.001 <br /><0 001 <br /><0.003 <br /><0.001 <br />0.0007 <br />Selenium <br />mg/1 <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 />0.007 <br />Selenium (dissolved) <br />mg/I <br /><0.001 <br />0 005 <br />0.003 <br /><0 002 <br /><0.001 <br />0.005 <br />Mercury <br />mg/I <br />SAR <br />standard <br />1 68 <br />1 36 <br />1.54 <br />2.61 <br />0.91 <br />0.78 <br />1.18 <br />2.41 <br />2.03 <br />2.54 <br />0.79 <br />1 <br />0 99 <br />0.79 <br />3.23 <br />4.3 <br />4.2 <br />2.48 <br />1.61 <br />30 2 <br />1.97 <br />Settleable solids <br />mg/1 <br />Zinc (dissolved) <br />mg/1 <br />Hardness <br />mg/I <br />88 <br />332 <br />332 <br />231 <br />184 <br />183 <br />18 <br />I <br />Table B -4. PAW -2, Ground Water Well above Mine Site, Summary of Water Quality Data <br />