2012-07-02_REPORT - C1980007 ‎(3)‎

• Permit No: C1980007
• IBM Index Class Name: Report
• Doc Date: 7/2/2012
• Doc Name: 2011 Annual Hydrology Report
• From: HydroGeo Inc
• To: DRMS
• Annual Report Year: 2011
• Permit Index Doc Type: Hydrology Report
• Email Name: JRS
• Email Name: DIH
• Media Type: D
• Archive: No

West Elk Mine 2011 Annual Hydrology Report vi
LIST OF TABLES
Table 1 Baseline and Routine Monitoring Frequencies 10
Table 2 Laboratory Parameters for First 5 Years of Monitoring (including
Baseline) 11
Table 3 Summary of the Surface Water Monitoring Program 13
Table 4 Summary of the Temperature Monitoring Site Details 21
Table 5 Summary of the Spring and Seep Monitoring Program 25 -26
Table 6 Summary of the Groundwater Monitoring Well Characteristics 35
Table 7 Summary of the Groundwater Monitoring Program 36
Table 8 Summary of the Underdrain and Mine Inflow Monitoring Program 37
Table 9 Summary of U.S. Forest Service Water Resources 38
Table 10 Summary of CDPS Limits for Outfall 007 46
Table 11 Summary of CDPS Discharge Limits for Sedimentation Ponds 47
Table 12 Summary of CDPS Discharges for Water Year 2011 49 -50
Table 13 Summary of Salinity Loading in the North Fork of the Gunnison 56
LIST OF MAPS
Map 1 E -Seam Mine Water Inflows Water Year 2011 In Folder
Map 2 Locations of Hydrologic Monitoring Stations In Folder
June 2012 HydroGeo, Inc.