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WIL [S FORK MINES 2011 AHR <br />No. 1 Strip Pit <br />G \Envi ronmental\EMPIREWILLIAMS FORK \AHR\2011 \Tables 2010 \TBLSI -4 <br />TABLE 1 - CONTINUED <br />SUMMARY OF HYDROLOGIC MONITORING STATIONS <br />ALLUVIAL WELLS <br />STATION WATER DATUM ELEVATION DEPTH FREQUENCY OF MEASUREMENT* <br />NAME SOURCE (ft) (ft) FLOW LEVEL FIELD PARAMETER ** FULL QUALITY ** COMMENTS <br />AVF -3 Wms. Fk. Alluvial 6,137.95 17 Q Q Q <br />AVF -5 Wins. Fk. Alluvial 6,132.59 16 Q Q Q Replaced AVF -5 9/82 <br />AVF -6 Wms Fk Alluvial 6,146.23 16 Q Q Q <br />MINE DISCHARGES <br />STATION WATER DATUM ELEVATION FREQUENCY OF MEASUREMENT* <br />NAME SOURCE (ft) FLOW LEVEL FIELD PARAMETER ** NPDES FULL QUALITY ** COMMENTS <br />No 5 Mine Sump F Seam 6,300 -5,600 W W S/Q -- NPDES # 003 <br />7 N. Angle Sump F Seam W W S/Q NPDES #024 <br />(9P3) <br />SURFACE WATERS <br />STATION WATER DATUM ELEVATION FREQUENCY OF MEASUREMENT* <br />NAME SOURCE (ft) FLOW LEVEL FIELD PARAMETER ** NPDES FULL QUALITY ** COMMENTS <br />WF -1 Wms. Fk. Upstrm 6,142.39 M M Q <br />WF -2 Wms Fk. Dwnstrm 6,119.87 C M Q <br />SPRINGS <br />STATION WATER DATUM ELEVATION FREQUENCY OF MEASUREMENT* <br />NAME SOURCE (ft) FLOW LEVEL FIELD PARAMETER ** NPDES FULL QUALITY ** COMMENTS <br />Spoils 6,120.00 W W S/Q -- NPDES #022 <br />* C= Continuous, D= Daily, W= Weekly, S =Semi Monthly, M= Montly, Q= Quarterly, A= Annually <br />** Surface water parameters for surface water stations, ground water parameters for spring stations, and NPDES parameters for mine <br />discharges and No. 1 Strip Pit <br />