Laserfiche WebLink
QUARTERLY SEDIMENTATION POND INSPECTION REPORT <br />CDMR Rule 4.05.9(17) <br />Mine: New Elk <br />NPDES ID. No.: Pond #4 <br />Inspection Period: Third Quarter 2007 <br />Inspection Date: 09/21/07 <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: Moderate Few Poor <br />2). Erosion forming Gullies: Extensive Some ~ ev None <br />3). Is wave action causing erosion: ~ <br />On the Upstream embankment? Yes No <br />At the principal spillway inlet? Yes No L-- <br />4). Erosion of the downstream toe of the embankment? Yes No Li <br />Cause of erosion can be attributed to: <br />5). Is seepage occurring through the dam? Yes No l,/ <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 era <br />~ ~ e,~ ~ ~ e~/`o s ~~ ~ es _ <br />~ Excellen <br />.~ <br />Yes ti No <br />Yes !i No <br />Yes l/ No <br />Yes ___ f~_ No <br />Just starting None <br />~~ lea-~vc ~~ <br />