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QUARTERLY SEDIMENTATION POND INSPECTION REPORT <br />CDMR Rule 4.05.9(17) <br />Mino: Lorencito <br />NPDES ID. No.: Pond #5 <br />Inspection Period: 1ST Quarter 2005 <br />Inspection Date: 3/28/05 <br />General Description or Reference to Site Plan: <br />This pond is located West 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 Few Poor <br />2). Erosion forming Gullies: Extensive Some Few None <br />3}. Is wave action causing erosion: <br /> On the Upstream embankment? Yes No °-~ <br /> At the principal spillway inlet? Yes No v <br />4). Erosion of the downstream toe of the embankment? Yes No ,i <br /> Cause of erosion can be attributed to: <br />5). Is seepage occurring through the dam? Yes No l/ <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 L' No <br />Yes ~~ No <br />Yes ri No <br />Yes No ti- <br />Just starting None <br />Page 1 of 2 <br />