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.: , <br />QUARTERLY SEDIMENTATION POND INSPECTION REPORT <br />CDMR Rule 4.05.6(17) <br />Mine: Southfield <br />NPDES ID. No.: Pond #4 <br />Inspection Period: Fourth Quarter, 2005 <br />Inspection Date: December 21, 2005 <br />General Description or Reference to Site Plan: <br />This pond is located on the north east comer of the refuse disposal area. It is a sediment control _ _ _ _ <br />facility receiving run-0ff from the refuse disposal area. The primary discharge gate has beeri disabled <br />in the open position, ensuring that the pond functions as a "pass-through" facility. <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 />xcellent Moderate Few Poor <br />Extensive Some Few None <br />4). Erosion of the downstream toe of the embankment? <br />Cause of erosion can be attributed to: <br />Yes <br />Yes <br />Yes <br />5). Is seepage occurring through the dam? <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 />Yes <br />No ~ <br />No !~ <br />No iv <br />Nc Ir <br />Yes t/ No <br />Yes ii <br />Yes i/ <br />Yes _ <br />Just starting <br />No <br />No <br />No ~~ <br />None <br />Page 1 of 2 <br />