Laserfiche WebLink
QUARTERLY SEDIMENTATION POND INSPECTION REPORT <br />CDMR Rule 4.05.9(17) <br />Mine: New Elk <br />NPDES ID. No.: Containment Pond 1 <br />Inspection Period: 2nd Quarter <br />Inspection Date: May 27, 2015 <br />General Description or Reference to Site Plan: Pond 8 <br />This Pond lies north of the west fan pad site and north of the access road to the west fan. <br />EMBANKMENT <br />1. Adequacy of the vegetative cover: Excellent Moderate <br />2. Erosion forming Gullies: Excellent Moderate <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? <br />Could this seepage cause potential instability? <br />PRINICIPAL 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 />Yes <br />Yes <br />X <br />Yes <br />X <br />Yes <br />X <br />Yes <br />X <br />Evaluate the severity: Extensive Moderate <br />Page 1 of 2 <br />Just Starting <br />Few Poor <br />Few Poor <br />No <br />X <br />No <br />X <br />No <br />No <br />X <br />No X <br />No <br />No <br />No <br />No <br />X <br />None <br />