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<br />Summary of Dissolved Solids and SAk Data <br />Station <br />Williams Fork River, <br />Upstream <br />No. 5 Mine <br />No. 6 Mine <br />No. 1 Strip Pit <br />Flow Weighted Net <br />Williams Fork River, <br />Flood <br />Williams Fork Alluvium, <br />Rain <br />Est. Post-Mining <br />Seepage, No. 5 <br />Est. Post-Mininy <br />Seepage, No. 6 <br />Flow Weighted Net <br />Flow 1) Calcium 2) <br />cfs mg/L meq/L <br />20.5 48 2.40 <br />2.179 14 0.70 <br />3.357 1 0.05 <br />0.349 66 3.29 <br />26.358 1.97 <br />PAR RESPONSE <br /> Solids <br />Magnesium 2) Sodium 2) Diss. 2) <br />mg/L meq/L mg/L meq/L mg/L <br /> <br />23 1.89 18 0.78 500 <br />8 0.66 312 13.57 831 <br />1 0.08 357 15.53 778 <br />54 4.44 215 9.35 1,042 <br /> 1.59 3.83 570 <br />SAR <br />0.5 <br />16.5 ' <br />60.9 <br />4.6 <br />2.9 <br />0.035 48 2.40 23 1.89 18 0.78 50U 0.5 <br />0.044 137 6.83 79 6.50 194 4.96 1,116 1.9 <br />0.044 14 0.70 8 0.66 312 13.57 831 16.5 <br />0.029 1 0.05 1 0.08 357 15.53 778 60.9 <br />0.152 2.74 2.52 8.51 827 5.2 <br />NOTES: 1) The Williams Fork is the 7-day 10-year low flow, the No. 5 and No. 6 Mines are the projected flows that <br />produce the maximum combined flows, the No. 1 Strip Pit flow is the mean flow rate, the Williams Fork <br />Recharge is the estimated recharge from spring runoff, the Williams Fork Alluvium is the recharge rate for <br />the area in question, and the seepage rate is from the No. 5 Mine after closure. <br />2) Water quality data is the mean values except for No. 6 Mine which is data from a sample front a drill hole, <br />and the dissolved solids value for the Williams fork which is the value that equals or exceeds 90% of the <br />samples measured. <br />