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Parameters <br />2001 <br />2002 <br />2003 <br />2004 <br />2005 <br />2006 <br />2007 <br />2008 <br />2009 <br />2010 <br />2011 <br />CDPHE <br />LIMIT <br />(1) <br />Temp ( ° C) <br />10.7 <br />12.7 <br />12.3 <br />11.3 <br />10.0 <br />15.1 <br />12.7 <br />11.5 <br />11.3 <br />13.7 <br />11.3 <br />Ph (su) <br />7.9 <br />8.0 <br />8.1 <br />7.9 <br />7.9 <br />8.0 <br />8.0 <br />7.9 <br />8.0 <br />7.9 <br />7.9 <br />6.5 - <br />8.5 <br />EC (pmhos/cm) @20 <br />C) <br />433 <br />471 <br />567 <br />467( *) <br />100( *) <br />823 <br />701 <br />650 <br />595 <br />717 <br />616.7 <br />TDS <br />333 <br />393 <br />663 <br />970 <br />346.7 <br />483 <br />383 <br />345 <br />309 <br />403.7 <br />319.7 <br />400 <br />SAR (in water) <br />0.76 <br />1.03 <br />2.33 <br />3.84 <br />0.78 <br />1.50 <br />0.81 <br />0.80 <br />0.77 <br />1.10 <br />0.80 <br />Calcium (dissolved) <br />51.9 <br />53.7 <br />69.8 <br />69.2 <br />53.1 <br />64.7 <br />56.6 <br />49.5 <br />44.3 <br />56.0 <br />44.7 <br />Sodium (dissolved) <br />29.0 <br />40.0 <br />111.1 <br />205.8 <br />29.9 <br />64.4 <br />32.2 <br />28.4 <br />27.3 <br />45.2 <br />29.0 <br />Magnesium (dissolved) <br />35.1 <br />38.5 <br />51.5 <br />58.3 <br />35.7 <br />46.2 <br />38.8 <br />33.6 <br />34.3 <br />38.2 <br />31.0 <br />Potassium (dissolved) <br />1.8 <br />1.9 <br />2.1 <br />2.0 <br />1.5 <br />1.9 <br />2.0 <br />1.6 <br />1.6 <br />1.9 <br />1.5 <br />Sulfate <br />30.0 <br />37.0 <br />110.0 <br />167.0 <br />36.7 <br />60.0 <br />36.7 <br />30.0 <br />25.0 <br />33.3 <br />30.0 <br />Chloride <br />7.0 <br />8.0 <br />12.0 <br />15.0 <br />6.3 <br />10.0 <br />8.0 <br />6.9 <br />3.5 <br />6.3 <br />5.7 <br />Carbonate (as CaCO3) <br /><2 <br /><2 <br /><2 <br /><2 <br /><2 <br /><2 <br /><2 <br />11 <br />9.3 <br />3.7 <br />4 <br />Bicarbonate (as <br />CaCO3) <br />302 <br />322 <br />523 <br />698 <br />315.7 <br />403 <br />316.7 <br />305 <br />264.5 <br />363.3 <br />288.3 <br />Fluoride <br />Nitrate - Nitrogen (disc) <br />0.01 <br />0.14 <br />0.05 <br />0.02 <br />0.01 <br />0.04 <br />0.04 <br />0.025 <br />0.04 <br />0.1 <br />0 <br />Iron (dissolved) <br />0.24 <br />0.16 <br />0.2 <br />0.47 <br />0.29 <br />0.29 <br />0.087 <br />0.2 <br />0.17 <br />0.2 <br />0.1 <br />5 <br />Manganese (dissolved) <br />0.2 <br />0.22 <br />0.65 <br />0.23 <br />0.192 <br />0.281 <br />0.489 <br />0.1 <br />0.47 <br />0.5 <br />0.4 <br />Date <br />Flow Rate <br />(cfs) <br />Temp <br />( ° C) <br />pH - <br />field <br />(s.u.) <br />EC - field <br />(pmhos/cm) <br />Residue, <br />settleable <br />4/13/2011 <br />0.05 (gauge) <br />13.0 <br />8.0 <br />600.0 <br />U <br />TABLE 2 - SITE AP -2 HISTORIC LOADOUT AREA ALLUVIAL WATER QUALITY DATA <br />Note: All values represent water year mean values in mg/I, unless otherwise noted. <br />* Equipment malfunction for EC in parts of 2004 and 2005 (data removed). <br />(1) Maximum or range for Agricultural Standard. Table 3 and 4, CDPHE Water Quality Control Commission Reg No. 41 <br />TABLE 3 - LOADOUT AREA SURFACE WATER QUALITY DATA <br />Note: U = Undetectable <br />APPENDIX C <br />