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2010-03-24_HYDROLOGY - C1981012
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2010-03-24_HYDROLOGY - C1981012
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Entry Properties
Last modified
8/24/2016 4:02:31 PM
Creation date
3/29/2010 3:00:29 PM
Metadata
Fields
Template:
DRMS Permit Index
Permit No
C1981012
IBM Index Class Name
HYDROLOGY
Doc Date
3/24/2010
Doc Name
2009 Annual Sedimentation Pond Inspection Report
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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ANNUAL SEDIMENTATION POND INSPECTION REPORT <br />CDMR Rule 4.05.9(15) <br />Mine: New Elk <br />NPDES ID. No.: <br />Inspection Period: <br />Inspection Date: <br />Pond #8 <br />Fourth Quarter 2009 <br />12/3/2009 <br />General Description or Reference to Site Plan: <br />This pond receives run-off from the Refuse Disposal Area. The embankment height is 28.0' at an <br />elevation of 7459.0'. The Primary Riser is at 7451.75'. <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 />Yes <br />Yes <br />4). Erosion of the downstream toe of the embankment? Yes <br />Cause of erosion can be attributed to: <br />No <br />No <br />No !-- <br />1 <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? <br />2). Is the inlet free of debris and restrictive material? <br />3). Is the discharge outlet free of restrictive material? <br />4). Is erosion occurring at the discharge outlet? <br />Evaluate the severity: Extensive Moderate <br />xcelle t Moderate Few Poor <br />Extensive Some ew) None <br />Yes e'er No <br />Yes Z-- No <br />Yes No <br />Yes No ??- <br />Just starting None <br />Page 1
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