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QUARTERLY SEDIMENTA770N POND iNSPECTfON REPORT <br />CDMR Rule 4.05.9(17) <br />Mine: t_orencito <br />NPDES ID. No.: Pond ~ <br />Inspection Period: Thins Quarter 2007 <br />Inspection Date: 9/2il07 <br />General Description or Reference to Site Plan: <br />This pond is located South of the area of mining scheduled for 2001-02. The pond <br />is partially incsed into bedrock and the embankment keyed into bedrock. <br />Side slopes are less than 2H:1V. The primary discharges south into Jeff Canyon 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 ~ Moderate,~ew Poor <br />Extensive Some ~ ev~i s None <br />~ .• <br />Yes No ~-'~ <br />Yes No L-- <br />4). Erosion of the downstream toe of the embankment? Yes No j'-- <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? Yes ~- <br />2). Is the inlet free of debris and restrictive material? Yes L-- <br />3). Is the discharge outlet free of n~trictive material? Yes ~--- <br />4). Is erosion occurring at the discharge outlet? Yes <br />Evaluate the severity: Extensive Moderate Just starting <br />No <br />No <br />No <br />No ~ <br />None <br />Page 1 of 2 <br />