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2010-05-11_HYDROLOGY - C1981012
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2010-05-11_HYDROLOGY - C1981012
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Entry Properties
Last modified
8/24/2016 4:11:47 PM
Creation date
5/11/2010 1:20:37 PM
Metadata
Fields
Template:
DRMS Permit Index
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
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QUARTERLY SEDIMENTATION POND INSPECTION REPORT <br />CDMR Rule 4.05.9(17) <br />Mine: New Elk <br />NPDES ID. No.: <br />Inspection Period: <br />Inspection Date: <br />Pond #4 <br />First Quarter 2010 <br />03/10/10 <br />General Description or Reference to Site Plan: <br />This sediment control pond lies west of the Development Waste Pile. The majority of <br />run-off from this waste pile flows to this pond. <br />EMBANKMENT <br />1). Adequacy of the vegetative cover. <br />2). Erosion forming Gullies: <br />3). Is wave action causing erosion: <br />On the Upstream embankment? <br />At the principal spillway inlet? <br />Excelle Moderate Few Poor <br />Extensive Some Fe None <br />Yes No !? <br />Yes No <br />4). Erosion of the downstream toe of the embankment? Yes No <br />Cause of erosion can be attributed to: -° <br />5). Is seepage occurring through the dam? Yes No <br />Could this seepage cause potential instability? <br />PRINCIPAL SPILLWAY <br />1). Is the principal spillway system in working order? Yes No <br />2). Is the inlet free of debris and restrictive material? Yes No <br />3). Is the discharge outlet free of restrictive material? Yes No <br />4). Is erosion occurring at the discharge outlet? Yes No 4-- <br /> Evaluate the severity: Extensive Moderate Just starting None
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