Laserfiche WebLink
QUARTERLY SEDIMENTATION POND INSPECTION REPORT <br />CDMR Rule 4.05.9(17) <br />Mine: Lorencito <br />NPDES ID. No.: pond 9 <br />Inspection Period: 4th gurarter <br />Inspection Date: 12 -5 -2014 <br />General Description or Reference to Site Plan: <br />This Pond lies below Fill 9. <br />EMBANKMENT <br />1. Adequacy of the vegetative cover: <br />Excellent oderat <br />Few <br />Poor <br />2. Erosion forming Gullies: <br />Excellent Moderate <br />Few <br />Poor <br />3. Is wave action causing erosion: <br />On the upstream embankment? <br />Yes <br />No <br />x <br />At the principal spillway inlet? <br />Yes <br />No <br />x <br />4. Erosion of the downstream toe of the embankment? <br />Yes <br />No <br />x <br />Cause of erosion can be attributed to: <br />No erosion of the downstream toe of the <br />embankment observed at the time of the inspection. <br />S. Is seepage occurring through the dam? <br />No x <br />Could this seepage cause potential instability? No seepage through the dam observed at <br />the time of the inspection. <br />PRINICIPAL SPILLWAY <br />1. Is the principal spillway system in working order? Yes x No <br />2. Is the inlet free of debris and restrictive material? Yes x No <br />3. Is the discharge outlet free of restrictive material? Yes x No <br />4. Is erosion occurring at the discharge outlet? Yes No x <br />Evaluate the severity: Extensive Moderate Just Starting None <br />Page 1 of 2 <br />