Laserfiche WebLink
West Elk Mine 2003 Annual Hydrology Report iii <br />4.3 Sedimentation Ponds ............................................................................................................27 <br />4.3.1 Ponds MB-1 and MB-2R ................................................ ........................................27 <br />4.3.2 Ponds MB-3, MB-4, and MB-5 ....................................... .......................................28 <br />4.3.3 Pond FW-1 ....................................................................... .......................................28 <br />4.3.4 RPE Pond ......................................................................... .......................................28 <br />4.3.5 Pond SG-1 ........................................................................ .......................................28 <br />4.4 Biomonitoring Testing for Toxicity .............................................. .......................................28 <br />4.5 Mine Water Inflows ...................................................................... .......................................29 <br />4.5.1 NW Panels Sealed Sump ................................................. .......................................29 <br />4.5.2 NE Panels Sealed Sump ................................................... .......................................29 <br />4.5.3 Mine Water Sampling ...................................................... .......................................29 <br />4.6 Mine Water Balance ...................................................................... .......................................30 <br />5.0 ASSESSMENT OF MINE INDUCED HYDROLOGIC IMPACTS......... <br />30 <br />5.1 Surface Water ...................................................................................................... .................30 <br />5.1.1 Area Stream Water Quantity and Quality .............................................. .................30 <br />5.1.2 North Fork of the Gunnison ................................................................... .................31 <br />5.2 Springs and Seeps ............................................................................................... .................31 <br />5.2.1 Water Quantity and Quality ................................................................... .................31 <br />5.3 Stock Ponds and USFS Water Resources ........................................................... .................32 <br />5.4 Ground Water ...................................................................................................... .................32 <br />5.4.1 Water Quantity and Quality ................................................................... .................32 <br />6.0 ADEQUACY OF THE MONITORING PROGRAM ........................................................... .................33 <br />6.1 Mining Induced Hydrologic Impacts .................................................................. .................34 <br />6.2 Proposed Revisions to the Project's Hydrologic Monitoring System ................. .................34 <br />7.0 SUMMARY ........................................................................................................................... .................37 <br />8.0 REFERENCES ....................................................................................................................... .................39 <br /> <br />September 2004 HydroGeo, Inc. <br />