2013-06-12_HYDROLOGY - C1981012

• Permit No: C1981012
• IBM Index Class Name: HYDROLOGY
• Doc Date: 6/12/2013
• Doc Name: 2nd Quarter 2013 Sediment Pond Inspection Report
• From: New Elk Coal Company
• To: DRMS
• Permit Index Doc Type: Sediment Pond Inspections
• Email Name: LDS
• Email Name: DIH
• Media Type: D
• Archive: No

QUARTERLY SEDIMENTATION POND INSPECTION REPORT
CDMR Rule 4.05.9(17)
Mine: New Elk RDA Containment SE
NPDES ID. No.:
Inspection Period
Inspection Date:
None
Second Quarter 2013
06/07/13
General Description or Reference to Site Plan:
This partially incised containment basin is a non - discharging facility designed to contain run -off
from the area east of the RDA belt conveyor and south of highway 12.
EMBANKMENT
1). Adequacy of the vegetative cover:
2). Erosion forming Gullies:
3). Is wave action causing erosion:
On the Upstream embankment?
Excellent Moderate C Poor
Extensive Some Few o`n
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
Explain:
No
OTHER OBSERVATIONS:
KIISHA Qualified Impound enJt Inspector
to