2013-07-02_REPORT - C1980007 ‎(3)‎

• Permit No: C1980007
• IBM Index Class Name: REPORT
• Doc Date: 7/2/2013
• Doc Name: 2012 Annual Hydrology Report
• From: Hydro Geo, Inc
• To: DRMS
• Annual Report Year: 2012
• Permit Index Doc Type: Hydrology Report
• Email Name: JRS
• Email Name: DIH
• Media Type: D
• Archive: No

West Elk Mine 2012 Annual Hydrology Report
um
3.2.3 Springs above the B -Seam in the Jumbo Mountain Area in the
North Fork of the Gunnison River Drainage Basin .......................28
3.2.3.1 Spring CR -12 (Decreed Spring # l2 ) ............................28
3.2.3.2 Spring G- 26a ................................... .............................28
3.2.3.3 Spring G- 28a ................................... .............................28
3.2.3.4 Spring G -31 (Decreed Spring 433) . .............................28
3.2.3.5 Spring G- 30 ..................................... .............................28
3.2.3.6 Spring G -25 (Decreed Spring #22) . .............................29
3.2.3.7 Spring G -35 (Decreed Spring # 18) . .............................29
3.2.3.8 Spring G- 49 ..................................... .............................29
3.2.4 Springs above the E -Seam in the Minnesota Creek and Dry Fork
DrainageBasin .................................................. .............................29
3.2.4.1 Spring J- 4 ........................................ .............................29
3.2.4.2 Deer Creek Spring ........................... .............................29
3.2.4.3 Spring WCC -24 .............................. .............................30
3.2.4.4 Spring J- 2 ........................................ .............................30
3.2.4.5 Spring J- 7 ........................................ .............................30
3.2.4.6 Spring J- 10 ...................................... .............................30
3.3 Groundwater Monitoring Program ............................... .............................31
3.4 Underdrain and Mine Water Monitoring ...................... .............................34
3.5 U.S. Forest Service Water Resources ........................... .............................35
3.6 Surface Water and Groundwater Monitoring Methodology ......................36
4.0 MINE WATER MANAGEMENT ACTIVITIES
4.1 Mine Water Balance .......... ...............................
4.2 Water Rights ...................... ...............................
4.3 Sedimentation Ponds .......... ...............................
4.3.1 Pond MB -5E .......... ...............................
4.3.2 Ponds MB -3 and MB- 4 .........................
4.3.3 Ponds FW -1 and FW -2 .........................
4.3.4 RPE Pond and NSSA Pond ...................
4.3.5 Pond SG- l .............. ...............................
4.3.6 Mine Water Treatment Ponds ...............
4.3.7 W WTP Polishing ... ...............................
4.4 Mine Water Inflows ........... ...............................
4.4.1 NW Panels Sealed Sump ......................
4.4.2 NE Panels Sealed Sump ........................
... .............................38
.... ..............................3 8
..... .............................40
..... .............................40
..... .............................40
..... .............................40
..... .............................40
..... .............................41
..... .............................41
.... ..............................4 l
..... .............................41
.... ..............................4 l
.... ..............................4 l
..... .............................41
June 2013 HydroGeo, Inc.