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ANNUAL SEDIMENTATION POND INSPECTION REPORT <br />CDMR Rule 4.05.9(15) <br />Mine: Lorencito <br />NPDES ID. No.: Pond ik5 <br />Inspection Period: Thins Quarter 2005 <br />Inspection Date: 9 ~5+~ ~,~ <br />General Description or Reference to Site Plan: <br />This pond is located northeast of the area of mining during for 2001-02. The pond <br />is partially incised into bedrock and the em~nkment keyed into bedrock. <br />Side sbpes are less than 2H:1 V. The primary spilMray discharges north into a small unnamed <br />drainage. <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 />Excellent oderat Few Poor <br />Extensive <br />4). Erosion of the downstream tce of the embankment? <br />Cause of erosion can be attributed to: <br />Some <br />Yes <br />Yes <br />Yes <br />5). Is seepage oawrting through the dam? Yes <br />Could this seepage cause potential instability? <br />None <br />No y <br />No ri <br />No y <br />No ~ <br />PRINCIPAL SPILLWAY <br />1). Is the prnncpal spilMray system in working orde(1 <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 v No <br />Yes l~ No <br />Yes !/ No <br />Yes No t/~ <br />Just starting None <br /> <br />