HYDRO23876

• Permit No: C1981033
• IBM Index Class Name: Hydrology
• Doc Date: 7/12/2004
• Doc Name: Issued Permit ‎(CO 0044377)‎
• From: Colorado Department of Public Health
• To: Bear Coal Company
• Permit Index Doc Type: NPDES
• Media Type: D
• Archive: No

Mountain Coal and Bear Coal Water Quality Assessment CO-0038776 and CO-0044377
the assimilative capacities available to the Mountain Coal WWTFs for pollutants found to be of
concern.
Figure A-1 contains a map of the study area evaluated as part of this WQA.
Figure A-1
Study Area
--State
- County
. LakelPond/Ocean
- Street
Expressway
Highway
C ect
Source: US Ceusus
TIGER Mapping Service
L CUCIYV
Stream
Military Area
National Park
Other Park
l~City
County
ono Or 0 1 2 3 4 mi
Scale 1:114291 1g 66
*avera~e--true scale ueNends or?rc~oriitur resolutionkm
The Mountain Coai Company, West Elk Mine discharges to the North Fork ofthe Gunnison River,
Sylvester Gulch, West Sylvester Gulch, the Dry Fork of Minnesota Creek, and Lone Pine Gulch.
This site is one of several coal mines, both active and inactive, in the region. The mining site
discharges via 13 Outfalls. Specifically, Outfalls 005, 008, 009, and 015 contain sluface runoff
water only and dischazge to the North Fork of the Gunnison River; Outfall 014 contains surface
runoff water only and discharges to Sylvester Gulch; Outfall 018 contains surface runoff water only
and discharges to W est Sylvester Gulch; Outfalls 004 and 016 contain mine water and surface runoff
water, and discharge to the North Fork of the Gunnison River; Outfa11011 contains mine water and
discharges to Sylvester Gulch; Outfall 012 contains mine water and discharges to the Dry Fork of
Minnesota Creek; Outfa11013 contains mine water and dischazges [o Lone Pine Gulch; and Outfall
017 contains mine water and discharges to West Sylvester Gulch. Internal Outfall 007 contains
Appendix A Page 2 of 20 Last Revised 3/9/2004