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Bowie Resources, LLC <br />Bowie No. 2 Mine <br />2016 Annual Hydrology Report <br />Surface Water <br />SP22 <br />Terror Creek - Pond Spring 22 <br />Depth 4' <br />Elevation - 7480 <br />Initiated <br />Activated <br />Date <br />7/18/1983 <br />7/18/1983 <br />7/18/1983 <br />7/18/1983 <br />8/5/2012 8/5/2012 8/5/2012 <br />1 <br />8/5/2012 <br />11/8/2016 9/9/2016 6/16/2016 <br />5/26/2016 <br />Summary Information <br />Field <br />Parameters <br />UNITS <br />Min <br />Baseline <br />Ave <br />Max <br />Operation <br />Min Ave <br />Max <br />Inflow <br />GPM <br />0.00 <br />0.33 <br />5.63 <br />0.00 0.00 <br />0.00 <br />0.00 <br />0.00 <br />0.00 <br />0.00 <br />Outflow <br />GPM <br />0.00 <br />0.00 <br />0.00 <br />0.00 0.01 <br />0.20 <br />0.00 <br />0.00 <br />0.00 <br />0.20 <br />Freeboard <br />Feet <br />0.0 <br />1.1 <br />4.0 <br />0.00 0.26 <br />0.43 <br />1 <br />0.00 <br />0.00 <br />0.00 <br />0.00 <br />Temperature <br />Celsius <br />6.9 <br />16.9 <br />28.6 <br />18.1 <br />Conductivity <br />umhos/cm <br />343 <br />661 <br />915 <br />510 <br />pH <br />su <br />7.31 <br />8.31 <br />9.7 <br />1 <br />11 <br />i <br />i8.6 <br />Field Comments <br />I <br />Dryl <br />Dampi <br />Dry <br />Lab <br />Parameters <br />UNITS <br />Bicarbonate <br />mg/L <br />165.9 <br />343.4 <br />584 <br />Carbonate <br />mg/L <br /><MDL <br />1.928 <br />11.71 <br />Chloride <br />mg/L <br />1 <br />1 <br />7.621 <br />13 <br />Conductivity <br />umhos/cm <br />390 <br />629.2 <br />878 <br />Hardness <br />mg/L <br />132 <br />277.6 <br />377 <br />pH <br />su <br />7.3 <br />8.0131 <br />8.56 <br />ResidueFilterable-TDS <br />mg/L <br />145 <br />377.3 <br />564 <br />ResidueNonFilterable-TSS mg/L <br />4 <br />20.58 <br />65 <br />SAR <br />0.53 <br />1.087 <br />1.897 <br />Sulfate <br />mg/L <br />14 <br />48.52 <br />230 <br />Calcium (Dissolved) <br />mg/L <br />17 <br />57.89 <br />90 <br />Magnesium (Total) <br />I mg/L <br />121 <br />32.361 <br />51 <br />Sodium (Dissolved) <br />I mg/L <br />1 141 <br />40.511 <br />63 <br />The monitoring point for Spring and Pond 22 is located on an east facing slope that drains down toward Terror Creek. <br />Baseline Information is derived from monitoring events beginning on 7/18/83 through 8/5/2012, <br />Point SP22 influenced by mining on 8/5/12. <br />Figure 10 <br />