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Bowie Resources, LLC <br />Bowie No. 2 Mine <br />2016 Annual Hydrology Report <br />SP20 <br />Terror Creek - Pond Spring 20 <br />Depth 4' <br />Elevation - 7840 <br />Summary Information <br />Surface Water <br />Initiated <br />Activated <br />Date <br />5/15/1983 <br />5/15/1983 <br />5/15/1983 <br />5/15/1983 <br />6/30/2013 6/30/2013 6/30/2013 <br />1 <br />6/30/2013 <br />11/8/2016 9/12/2016 6/29/2016 <br />5/26/2016 <br />Field <br />Parameters <br />UNITS <br />Baseline <br />Min <br />Ave <br />Max <br />Operation <br />Min Ave <br />Max <br />Outflow <br />GPM <br />0.0 <br />0.6 <br />2.3 <br />0.5 <br />4.5 <br />13.1 <br />13.08 <br />7.53 <br />0.75 <br />Inflow <br />GPM <br />0.0 <br />3.5 <br />37.5 <br />1.1 <br />14.7 <br />45.0 <br />14 <br />8.72 <br />1.92 <br />37.5 <br />Freeboard <br />Feet <br />0.0 <br />0.0 <br />0.8 <br />0.0 <br />0.0 <br />0.0 <br />Temperature <br />Celsius <br />2.0 <br />8.8 <br />27.7 <br />6.7 <br />7.7 <br />9.6 <br />8.9 <br />9.6 <br />6.7 <br />7.9 <br />Conductivity <br />umhos/cm <br />250.0 <br />471.2 <br />674.0 <br />460.0 <br />566.4 <br />639.0 <br />639 <br />622 <br />615 <br />590 <br />pH <br />su <br />5.31 <br />7.51 <br />8.9 <br />7.01 <br />7.31 <br />7.8 <br />7.61 <br />7.331 <br />7.381 <br />7.4 <br />Field Comments <br />Lab <br />Parameters <br />UNITS <br />Bicarbonate <br />mg/L <br />144.7 <br />289.9 <br />342.0 <br />247.4 <br />321.1 <br />345.0 <br />345 <br />340 <br />335 <br />338 <br />Chloride <br />mg/L <br />0.0 <br />5.0 <br />28.3 <br />2.3 <br />2.8 <br />4.6 <br />2.3 <br />2.3 <br />2.4 <br />2.4 <br />Conductivity <br />umhos/cm <br />311.5 <br />513.5 <br />714.0 <br />487.0 <br />520.2 <br />557.0 <br />557 <br />530 <br />487 <br />500 <br />Hardness <br />mg/L <br />108.0 <br />207.6 <br />511.9 <br />197.0 <br />227.8 <br />243.0 <br />243 <br />240 <br />234 <br />225 <br />Nitrate -Nitrite <br />mg/L <br /><MDL <br />0.3 <br />0.3 <br /><MDL <br /><MDL <br />0.0 <br /><MDL <br /><MDL <br /><MDL <br /><MDL <br />Oil and Grease <br />mg/L <br /><MDL <br /><MDLI <br />0.0 <br /><MDLI <br /><MDL <br />0.0 <br /><MDLI <br /><MDL <br /><MDL <br /><MDL <br />pH <br />su <br />6.7 <br />7.4 <br />8.5 <br />7.0 <br />7.2 <br />7.4 <br />7.36 <br />7.23 <br />7.27 <br />Phosphate <br />mg/L <br /><MDL <br /><MDL <br />0.0 <br /><MDL <br />0.0 <br />0.0 <br /><MDL <br /><MDL <br />0.032 <br />0.04 <br />ResidueFilterable-TDS <br />mg/L <br />240.0 <br />318.8 <br />460.0 <br />337.0 <br />369.2 <br />438.0 <br />364 <br />350 <br />357 <br />337 <br />ResidueNonFilterable-TSS mg/L <br /><MDL <br />88.9 <br />1800.0 <br /><MDL <br />9.0 <br />9.0 <br /><MDL <br /><MDL <br /><MDL <br /><MDL <br />SAR <br />0.5 <br />1.3 <br />2.3 <br />1.2 <br />1.8 <br />3.9 <br />1.39 <br />1.28 <br />1.32 <br />1.23 <br />Sulfate <br />mg/L <br />0.8 <br />12.5 <br />60.0 <br />29.2 <br />30.11 <br />30.5 <br />30.21 <br />30.3 <br />30.4 <br />30.5 <br />Aluminum (TREC) <br />mg/L <br /><MDL <br />0.2 <br />0.5 <br /><MDL <br />93.1 <br />186.0 <br /><MDL <br />186 <br /><MDL <br /><MDL <br />Arsenic (TREC) <br />mg/L <br /><MDL <br />0.0 <br />0.0 <br /><MDL <br />0.0 <br />0.0 <br /><MDL <br /><MDL <br /><MDL <br /><MDL <br />Cadmium (TREC) <br />mg/L <br /><MDL <br />0.0 <br />0.0 <br /><MDL <br />0.0 <br />0.0 <br /><MDL <br /><MDL <br /><MDL <br /><MDL <br />Calcium (TREC) <br />mg/L <br />36.3 <br />69.1 <br />128.3 <br />42.1 <br />54.1 <br />59.8 <br />59.8 <br />59.5 <br />56.1 <br />53.2 <br />Copper (TREC) <br />mg/L <br /><MDL <br />0.01 <br />0.0 <br /><MDLI <br />0.0 <br />0.0 <br /><MDL <br /><MDL <br /><MDL <br /><MDL <br />Iron (TREC) <br />mg/L <br />0.0 <br />0.1 <br />0.2 <br />0.0 <br />0.1 <br />0.3 <br />0.0111 <br />0.234 <br />0.0684 <br />0.0123 <br />Lead (TREC) <br />mg/L <br /><MDL <br />0.0 <br />0.0 <br /><MDL <br />0.0 <br />0.0 <br /><MDL <br /><MDL <br /><MDL <br />Magnesium (TREC) <br />mg/L <br />17.2 <br />28.6 <br />46.5 <br />22.1 <br />22.5 <br />22.9 <br />22.7 <br />22.1 <br />22.9 <br />22.4 <br />Manganese (TREC) <br />mg/L <br /><MDL <br />0.0 <br />0.0 <br /><MDL <br />0.0 <br />0.0 <br /><MDL <br /><MDL <br /><MDL <br /><MDL <br />Mercury (TREC) <br />mg/L <br /><MDL <br />0.0 <br />0.0 <br /><MDL <br />0.0 <br />0.0 <br /><MDL <br /><MDL <br /><MDL <br /><MDL <br />Molybdenum (TREC) <br />mg/L <br /><MDL <br />0.01 <br />0.0 <br /><MDLI <br />0.01 <br />0.0 <br /><MDLI <br /><MDL <br /><MDL <br /><MDL <br />Selenium (TREC) <br />mg/L <br /><MDL <br />0.0 <br />0.0 <br /><MDL <br />0.0 <br />0.0 <br /><MDL <br /><MDL <br /><MDL <br /><MDL <br />Sodium (TREC) <br />mg/L <br />40.2 <br />47.6 <br />53.1 <br />43.61 <br />61.1 <br />124.8 <br />47.91 <br />44.6 <br />44.4 <br />43.6 <br />Zinc (TREC) <br />mg/L <br /><MDL <br />0.0 <br />0.0 <br /><MDLI <br />0.0 <br />0.0 <br /><MDLI <br /><MDLI <br /><MDLI <br /><MDL <br />Activated 6/30/2013 <br />This spring and pond consists of an area of approximately 20'x 20' of diffuse flow which is collected in a pond of <br />approximately 30'x 60'. (Hanna, 99) <br />Baseline Information Collection initieated on 5/15/83 and not yet considered complete. <br />Point SP20 has not been influenced by mining. Figure 8 <br />