Laserfiche WebLink
0 <br />Bowie Resources, LLC <br />Bowie No. 1 Mine <br />2009 Annual Hydrology Report SW10 <br /> Terror Ditch <br /> Elevation - 6480 <br />Summary Information <br />.• <br />Surface Water <br />Initiated 7/1/1983 7/1/1983 7/1/1983 7/1/1983 7/1/1983 7/1/1983 7/1/1983 7/1/1983 7/111983 7/1/1983 <br />Activated <br />Date 12/1912009 11/10/2009 10/13/2009 9/18/2009 8/19/2009 7121/2009 6/22/2009 5123/2009 4/22/2009 321/2009 <br />Field <br />Parameters Baseline Operation <br />UNITS Min Ave Max Min Ave Max <br />Flow 0 3.2 12.8 0 0.814 1.012 4.988 5.110 6.925 3.827 6.254 0.575 1.225 <br />Water Level in Flume Feet 0 0.4 0.9 ICE 0.2 0.23 0.64 0.65 0.79 0.54 0.74 0.16 0.26 <br />Temperature j 0.2 9.5 21.3 0.2 4.3 7.3 15.5 17.1 17.3 16.5 13 3.2 2.1 <br />Conductivity 20 138 970 270 150 140 90 100 90 130 120 40 100 <br />pH 5.6 8.2 9.2 8.2 8.2 8.4 9 8.5 8.5 6.8 7.7 7.8 7.1 <br />Field Comments ICE <br />Lab <br />Parameters <br />UNITS <br />Bicarbonate mg/1- 25.28 78.4 184.0 84.32 58.88 71.67 54.63 <br />Carbonate mg/L <MDL 0.3 7.1 <MDL <MDL <MDL <MDL <br />Chloride mg/L <MDL 2.8 21.8 <MDL 1.96 2.76 21.8 <br />Conductivity umhos/cm 53.0 157.6 310.0 180.93 134.2 180.26 154.74 <br />Hardness mg/L 32.0 63.0 129.0 69.52 70.44 55.4 49.38 <br />pH su 6.9 7.7 8.3 7.77 7.66 7.61 7.37 <br />ResidueFilterable-TDS mg/L 50 115, 214 110 160 116 108 <br />ResidueNonFilterable-TSS mg/L <MDL 28 136 <MDL 33 24 17 <br />SAR 0.20 0.53 1.47 0.67 0.24 0.67 0.376 <br />Sulfate mg/L <MDL 11.82 54.00 7 <MDL 0.5 7 <br />Calcium (Dissolved) mg/L 6.65 15.41 32.00 12.8 19.8 14.6 6.98 <br />Magnesium (Dissolved) mg/L 2.97 5.93 12.00 9.12 5.1 4.6 7.76 <br />Sodium (Dissolved) mg/L 3.00 9.82 23.00 13.03 4.64 11.79 9.61 <br />TDS Ratio (grav./calc.) <MDL 1.10 1.91 0.87 1.77 1.1 1 <br />TI <br />tQ <br />c <br />(D <br />z <br />O <br />N <br />W <br />The area of concern for monitoring point SW10 has not been affected by the mining operation. Therefore, all recorded <br />monitoring events are considered Baseline. <br />A stilling well and recorder were installed on a 30" Parshall flume on the Terror Ditch. This stream gauge is located in the NE114NE114, Sec 17, T13S, R91 W of the 6th P.M. <br />Baseline Information Collection initiated on 7/1/83 and not yet considered complete. <br />Point SW10 has not been influenced by mining.