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QUARTERLY SEDIMENTATION POND INSPECTION REPORT <br />CDMR Rule 4.05.9(17) <br />Mine; Lorencito <br />NPDES ID. No.: Pond #5 <br />Inspection Period: 2ND Quarter 2005 <br />Inspection Date: 6!29!05 <br />General Description or Reference to Site Plan: <br />This pond is located Wesf of the area of mining scheduled for 2001-02. The pond <br />is partially incised into bedrock and the embankment keyed into bedrock. <br />Side slopes are less than 2H:1 V. The primary discharges south into Cow Canyon drainage. <br />EMBANKMENT <br />1). Adequacy of the vegetative cover. Excellent Moderate ~ Poor <br />2). Erosion forming Gullies: Extensive Some Fe None <br />3). Is wave action causing erosion: <br /> On the Upstream embankment? Yes No fi <br /> Af the principal spillway inlet? Yes No v~ <br />4). Erosion of the downstream tce of the embankment? Yes No (i <br /> Cause of erosion can be attributed to: <br />5). Is seepage occurring through the dam? Yes No // <br /> Could this seepage cause potential instability/? <br />PRINCIPAL SPILLWAY <br />1). Is the principal spillway system in working order? Yes !i- No <br />2). Is the inlet free of debris and restrictive material? Yes t~ No <br />3). Is the discharge outlet free of restrictive material? Yes ~ No <br />4). Is erasion occuning at the discharge outlet? Yes No // <br /> Evaluate the severity: Extensive Moderate Just starting None <br />Page 1 of 2 <br />