REP50217

• Permit No: C1980007
• IBM Index Class Name: Report
• Doc Date: 8/25/2005
• Doc Name: 2004 Annual Hydrology Report
• From: HydroGeo Inc
• To: DMG
• Annual Report Year: 2004
• Permit Index Doc Type: Hydrology Report
• Media Type: D
• Archive: No

•
West Elk Mine 2004 Annual Hydrology Report
LIST OF TABLES
Table 1. Monitoring Frequencies ......................................................... ......................7
Table 2. Summary of Surface Water Monitoring ...................................... ......................8
Table 3. Summary of Spring and Seep Monitoring ..................................... ...............12-13
Table 4. Summazy of Ground Water Monitoring ....................................... ....................18
Table 5. Summazy of Well Data ........................................................... ...................19
Table 6. Summary of Underdrain and Mine Inflow Monitoring ...................... ....................20
Table 7. Summary of U.S. Forest Service Water Sources ............................. ....................21
Table 8. CDPS Effluent Limitations for the WWTP (007A) .......................... ...................26
Table 9. Summary of CDPS Dischazges for Water Yeaz 2004 ........................ ...............27-28
Table 10. Summary of Sediment Pond Discharge Limits .............................. ...................29
Table 11. Summary of Salinity Loading in the North Fork ............................ ....................34
Table 12. Recommended Revisions to the Hydrologic Monitoring Program ....... ....................39
iv
LIST OF FIGURES
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Figure 1. Summary of Precipitation Data .........................................
Figure 2. Summary of Snow Water Data ..........................................
Figure 3. Summary of Stream Flow Da[a .........................................
Figure 4. Mine Water Balance .........................................................
Map 1 - B-Seam and E-Seam Mine Water Inflows 2004 Water Year
Map 2 -Locations of Hydrologic Monitoring Stations ......................
Map 3 -Spring and Stock Pond Locations ........................................
........ 2-3
........ 3-4
........... 5
..........24
In Folder
In Folder
In Folder
LIST OF APPENDICES
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Appendix A -Surface Water Daily Mean Discharge Tables
Appendix B -Surface Water Hydrographs
Appendix C -Surface Water Quality and Field Parameters Tables
Appendix D -Spring Hydrographs
Appendix E -Spring Water Quality and Field Parameter Tables
Appendix F -Well Water Elevation/Depth to Water Graphs
Appendix G -Well Water Quality and Field Parameter Tables
Appendix H -Mine Water Quality Tables
August 2005
HydroGeo, Inc.