Laserfiche WebLink
QUARTERLY SEDIMENTATION POND INSPECTION REPORT <br />Mine: New Elk <br />NPDES ID. No.: <br />Inspection Period: <br />Inspection Date: <br />CDMR Rule 4.05.9(17) <br />Pond #7 <br />First Quarter 2016 <br />03/16/16 <br />General Description or Reference to Site Plan: <br />This sediment control pond lies east of the preparation plant and pond #6. It receives run-off from <br />the majority of the active surface facilities area lying south of State Highway 12. <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 />Excellent Moderatq5�v Poor <br />Extensive Some C5w None <br />Yes <br />Yes <br />No P -- <br />No t-- <br />4). Erosion of the downstream toe of the embankment? Yes Nom_ <br />Cause of erosion can be attributed to: <br />5). <br />5). Is seepage occurring through the dam? Yes <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 />No &-I- <br />PRINCIPAL <br />f <br />Yes <br />✓ <br />No <br />Yes <br />!l' <br />No <br />Yes <br />No <br />Yes No <br />Just starting None <br />