Laserfiche WebLink
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 #1 <br />Fourth Quarter 2016 <br />12/05/16 <br />General Description or Reference to Site Plan: <br />This Pond lies West of the Industrial Building and serves as a mine water settleing and water <br />storage pond. <br />EMBANKMENT <br />rte. <br />1). Adequacy of the vegetative cover: Excellent Moderate Few <br />2). Erosion forming Gullies: Extensive Some Few <br />3). Is wave action causing erosion: <br />On the Upstream embankment? Yes <br />At the principal spillway inlet? Yes <br />4). Erosion of the downstream toe of the embankment? Yes <br />Cause of erosion can be attributed to: <br />5). Is seepage occurring through the dam? Yes <br />Could this seepage cause potential instability? <br />PRINCIPAL SPILLWAY <br />Poor <br />None <br />No <br />No <br />No <br />No <br />1). <br />Is the principal spillway system in working order? <br />Yes <br />No <br />2). <br />Is the inlet free of debris and restrictive material? <br />Yes <br />No <br />3). <br />Is the discharge outlet free of restrictive material? <br />Yes <br />No <br />4). <br />Is erosion occurring at the discharge outlet? <br />Yes <br />No <br />Evaluate the severity: Extensive Moderate <br />Just starting <br />None <br />