2010-05-11_HYDROLOGY - C1981012

• Permit No: C1981012
• IBM Index Class Name: HYDROLOGY
• Doc Date: 5/11/2010
• Doc Name: 1st Quarter 2010 Sediment Pond Inspection Reports
• From: New Elk Coal Company
• To: DRMS
• Permit Index Doc Type: Sediment Pond Inspect
• Email Name: KAG
• Media Type: D
• Archive: No

QUARTERLY SEDIMENTATION POND INSPECTION REPORT
CDMR Rule 4.05.9(17)
Mine: New Elk WP Containment #1
NPDES ID. No.:
Inspection Period:
Inspection Date:
None
First Quarter 2010
03/10/10
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. Excellent oderat Few Poor
2). Erosion forming Gullies: Extensive Some f 'e?? 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 No
Could this seepage cause potential instability?
SEDIMENT STORAGE; CAPACITY
1). Has the design storage capacity of the reservoir been surpassed?
Yes No
Explain:
OTHER OBSERVATIONS: 0 c,-S r?t IS'
MSHA Qualified I poundme Inspector
Date