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1 ft ~ <br />QUARTERLY SEDIMENTATION POND INSPECTION REPORT <br />CDMR Rule 4.05.6(17) <br />Mine: Southfield <br />NPDES ID. No.: <br />Inspection Period: <br />Inspection Date: <br />Pond #4 <br />First Quarter 2006 <br />March 30, 2006 <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 runoff from the refuse disposal area. The primary discharge gate has been 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 />4). Erosion of the downstream tce of the embankment? <br />Cause of erosion can be attributed to: <br />Excellent ,ode Few Poor <br />Extensive Some Fe None <br />Yes <br />Yes <br />5). Is seepage occurring through the dam? <br />Could this seepage puce potenfial instability? <br />Yes <br />Yes <br />~~~Y <br />No v <br />No <br />No~~ <br />No v <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 ~ No <br />Yes ~ No <br />Yes !/" No <br />Yes No _~ <br />Just starting None <br />Page 7 of 2 <br />