2014-07-11_REPORT - C1980007

• Permit No: C1980007
• IBM Index Class Name: Report
• Doc Date: 7/11/2014
• From: Hydro Geo, Inc
• To: DRMS
• Annual Report Year: 2013
• Permit Index Doc Type: Hydrology Report
• Email Name: JRS
• Email Name: DIH
• Media Type: D
• Archive: No

West Elk Mine 2013 Annual Hydrology Report
3.2.3.1 Spring CR -12 (Decreed Spring # 12 ) ............................30
3.2.3.2 Spring G- 26a ................................... .............................30
Mine Water Balance ..................................................... .............................39
3.2.3.3 Spring G- 28a ................................... .............................30
Water Rights ................................................................. .............................41
3.2.3.4 Spring G -31 (Decreed Spring # 33) . .............................30
Sedimentation Ponds ..................................................... .............................41
3.2.3.5 Spring G- 30 ..................................... .............................30
3.2.3.6 Spring G -25 (Decreed Spring # 22) . .............................30
3.2.3.7 Spring G -35 (Decreed Spring # 18) . .............................30
3.2.3.8 Spring G- 49 ..................................... .............................31
3.2.4 Springs above the E -Seam in the Minnesota Creek and
Dry Fork
DrainageBasin .................................................. .............................31
3.2.4.1 Spring J- 4 ........................................ .............................31
3.2.4.2 Deer Creek Spring ........................... .............................31
3.2.4.3 Spring WCC -24 .............................. .............................31
3.2.4.4 Spring J -2 ........................................ .............................31
3.2.4.5 Spring J- 7 ........................................ .............................31
3.2.4.6 Spring J- 10 ...................................... .............................32
4.3.7 WWTP Polishing .............................................. .............................42
3.3 Groundwater Monitoring Program ............................... .............................32
4.4
3.4 Underdrain and Mine Water Monitoring ...................... .............................35
3.5 U.S. Forest Service Water Resources ........................... .............................36
4.4.1 NW Panels Sealed Sump .................................. .............................42
3.6 Surface Water and Groundwater Monitoring Methodology ......................37
4.0 MINE WATER MANAGEMENT ACTIVITIES .................... .............................39
4.1
Mine Water Balance ..................................................... .............................39
4.2
Water Rights ................................................................. .............................41
4.3
Sedimentation Ponds ..................................................... .............................41
4.3.1 Pond MB -5E ..................................................... .............................41
4.3.2 Ponds MB -3 and MB- 4 ..................................... .............................41
4.3.3 Ponds FW -1 and FW -2 ..................................... .............................41
4.3.4 RPE Pond and NSSA Pond ............................... .............................42
4.3.5 Pond SG- 1 ......................................................... .............................42
4.3.6 Mine Water Treatment Ponds ........................... .............................42
4.3.7 WWTP Polishing .............................................. .............................42
4.4
Mine Water Inflows ...................................................... .............................42
4.4.1 NW Panels Sealed Sump .................................. .............................42
4.4.2 NE Panels Sealed Sump .................................... .............................42
4.5
Colorado Department of Public Health and Environment, Colorado
Discharge Permit System (CDPS) Summary ................ .............................43
4.5.1 CDPS Permit CO- 0038776 ............................... .............................43
4.5.1.1 Outfall 007 Amendments ................ .............................43
4.5.1.2 Outfall 017 Amendments ................ .............................43
4.5.1.3 Bio- Monitoring Testing for Toxicity ...........................43
4.5.2 Sanitary Wastewater ......................................... .............................44
4.5.3 Sedimentation Ponds ......................................... .............................44
June 2014 HydroGeo, Inc.