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BTU, IRE CORPORATION 2007 AHR • <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 Wms. 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 />No. I Strip Pit Spoils 6,120.00 W W <br />S/Q <br />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 />G:\Environmental\EMPIREWHR\2009\Tables 2009\TBLSI-4.XLS