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Bowie Resources, LLC <br />Bowie No. 1 Mine <br />2016 Annual Hydrology Report <br />Field <br />Parameters 1UNITS <br />SM11 <br />Monitoring Well SM -11 <br />Depth - 46.5' <br />Elevation - 7242.65 <br />Initiated 8/8/1986 <br />Activated <br />Date 6/17/2016 <br />Summary Information <br />Baseline Operation <br />Min Ave Max Min Ave Max <br />Static Water Level <br />Feet <br />30.4 <br />36.3 87.8 <br />37.02 <br />Water Elevation <br />Feet <br />7154.9 <br />7206.3 7212.3 <br />7205.63 <br />Temperature <br />Celsius <br />5 <br />1 <br />10.2 20.0 <br />9.8 <br />1 <br />Conductivity <br />umhos/cm <br />1260 <br />1981 2610 <br />2400 <br />pH <br />su <br />5.8 <br />7.6 8.5 <br />7.9 <br />Field Comments <br />mg/L <br />0.13 <br />290 <br />679 <br />Lab <br />Parameters <br />UNITS <br />Bicarbonate <br />mg/L <br />161.21 <br />1148 <br />1570 <br />Carbonate <br />mg/L <br /><MDL <br />4 <br />86 <br />Chloride <br />mg/L <br />2.43 <br />76 <br />521 <br />1 1 <br />Conductivity <br />umhos/cm <br />1073 <br />2170 <br />2920 <br />Hardness <br />mg/L <br />0.13 <br />290 <br />679 <br />Acidity <br />mg/L <br />-796 <br />-64 <br />68 <br />pH <br />su <br />6.93 <br />7.8 <br />8.8 <br />ResidueFilterable-TDS <br />mg/L <br />724 <br />1504 <br />1977 <br />ResidueNonFilterable-TSS mg/L <br />0.5 <br />75 <br />518 <br />SAR <br />0.537 <br />10.6 <br />19.6 <br />Sulfate <br />mg/L <br /><MDL <br />79 <br />543 <br />Calcium (Dissolved) <br />mg/L <br />5.5 <br />44.0 <br />83.8 <br />Iron (Dissolved) <br />mg/L <br />0.01 <br />0.10 <br />0.42 <br />Iron (Total) <br />mg/L <br />0.02 <br />0.84 <br />2.23 <br />Magnesium (Dissolved) <br />mg/L <br />6.0 <br />44.5 <br />133.8 <br />Manganese (Total) <br />mg/L <br />0.01 <br />0.04 <br />0.10 <br />Sodium (Dissolved) <br />mg/L <br />57 <br />422 <br />773 <br />TDS Ratio (aray./calc.) <br />% <br />0.907 <br />1.00 <br />1.19 <br />The area of concern for monitoring point SM11 has not been affected by the mining operation. Therefore, <br />monitoring events are considered Baseline. <br />Shallow monitoring wells SM -1 through SM -11 were constructed in 1985 in order to gather additional infort <br />on alluvial/colluvial deposits within the permit boundary. They are depicted on Map 4-1. <br />Baseline Information Collection initiated on 8/8/86 and not yet considered complete. <br />Point SM11 has not been influenced by mining. <br />Ground Water <br />