Laserfiche WebLink
Table 21 Quality of Mine Water <br /> TSS TDS Total Fe Total Mn <br /> mg/1 pH Cond. mg/1 mg/1 mg/1 <br />Mine Inflow Sylvester Gulch Return Area <br />4/10/84 2.0 8.0 840 - 0.8 - <br />~/10/84 2.4 6.75 880 - 0.08 - <br />9/12/83 8 7.9 990 - .16 ~ - <br />7/25/83 7.6 7.4 1200 - .16 - <br />6/14/83 24 7.3 780 - .11 - <br />~/10/83 9.2 7.4 900 - 0.0 - <br />4/11/S3 10.0 8.1 840 - 0.05 - <br />2/O1/33 34.4 8.0 2700 - -- - <br />East Portal Discharge <br />05/28/84 2.0 7.2 1000 - 1.73 - <br />07/28/84 0.3 7.3 1000 - 0.023 - <br />10/02/84 257 7.95 1000 - 4.15 - <br />West Portal Discharge <br />06/28/84 24.8 8.0 2550 - 1.49 - <br />Mine Tnflow-Entry E-4 <br />04/15/82 4 7.2 - 1194 2.38 0.725 <br />04/22/82 9.6 7.3 - 1236 0.885 1.07 <br />04/29/82 44 7.05 - 1116 4.35 1.33 <br />04/07/82 15.2 6.98 - 1216 .075 0.763 <br />05/13182 4.0 7.9 - 1216 .48 0.423 <br />plus deep seepage obtained from water balance calculations were compared with changes <br />in groundwater storage in observation wells in order to assess the possible magnitudes of <br />groundwater storage and recharge. <br />Input to the water balance consisted of measured streamflows, precipitation, basin diversions <br />and estimated evapotranspiration. No detailed evapotranspiration data was available for the <br />lease area. It was estimated from similar experimental watersheds (USFS) and data from <br />Croft and Monninger (1953) that the average annual gross evapotranspiration over the lease <br />2.04-53 <br />