2011-10-04_HYDROLOGY - C1981012

• Permit No: C1981012
• IBM Index Class Name: Hydrology
• Doc Date: 10/4/2011
• Doc Name: 3rd Quarter 2011 Quarterly Sediment Pond Inspecition Report
• From: New Elk Coal Company
• To: DRMS
• Permit Index Doc Type: Sediment Pond Inspections
• Email Name: DIH
• Media Type: D
• Archive: No

QUARTERLY SEDIMENTATION POND INSPECTION REPORT
SEDIMENT STORAGE CAPACITY
Explain:
OTHER OBSERVATIONS:
SHA Qualified Impoundm nt Inspector
ao«
Date
CDMR Rule 4.05.9(17)
Mine: New Elk WP Containment #1
NPDES ID. No.: None
Inspection Period: Third Quarter 2011
Inspection Date: 09/30/11
General Description or Reference to Site Plan:
This containment basin is a non - discharging facility designed to contain run -off from the
West Portal Warehouse area.
EMBANKMENT
1). Adequacy of the vegetative cover: Celle r t Moderate Few Poor
2). Erosion forming Gullies: Extensive Some Few None
3). Is wave action causing erosion:
On the Upstream embankment? Yes No
4). Erosion of the downstream toe of the embankment? Yes No
Cause of erosion can be attributed to:
5). Is seepage occurring through the dam? Yes
Could this seepage cause potential instability?
it
1). Has the design storage capacity of the reservoir been surpassed?
Yes No
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