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ANNUAL SEDIMENTATION POND INSPECTION REPORT .., <br />CDMR Rule 4.05.9(15)r•'= <br />Mine: Lorencito <br />NPDES ID. No.: Pond #7 <br />Inspection Period: First Quarter 2008 <br />Inspection.Date: 4/2/2008 . <br />General Description or Reference to Site Plan: <br />This pond. is located south of the, area of mining during for 2001-02. The pond <br />is partially incised intobedrock and the embankment keyed into bedrock. <br />Side slopes are less than 2H:1V...The primary_discharges south:into Jeff Canyon <br />drainage. _ .,. <br />EMBANKMENT <br />1). Adequacy of the vegetative cover. Excellent oderate Few Poor <br />2). Erosion,forming Gullies: Extensive Some (Q None <br />3). Is wave. action causing. erosion: <br />d <br />On the Upstream embankment? Yes No-, <br />At the principal spillway inlet? Yes No <br />4). Erosion of the downstream toe of the embankment? Yes No y <br />Cause of erosion can be attributed W. <br />5). Is seepage occurring through the dam? Yes No c!' <br />Could this seepage cause potential instability? <br />PRINCIPAL SPILLWAY <br />1). Is the principal spillway system in working order? <br />. _2J: Is_the inlet free of debris and restrictive material? <br />3).. Is;* kgpcharge outlet free of restrictive material? <br />). ts,> ms*D occurring at the discharge outlet? <br />Evalaate lie severity: Extensive Moderate <br />Yes -/ No <br />Yes No <br />Yes No <br />Yes Nb <br />Just starting None <br />Page 1