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ANNUAL SEDIMENT'AT'ION POND INSPECTION REPORT <br />CDMR Rule 4.05.9(15) <br />Mine: Lorenato <br />NPDES ID. No.: Pond S5 <br />Inspection Period: First Quarter 2007 <br />Inspection Date: 3!30/2007 <br />General Description or Reference to Site Plan: <br />This pond is located north-east of the area of mining during for 2001-02. The pond <br />is parfealty incised into bedrock and the embankment keyed into bedrock. <br />Side slopes are less than 2H;1 V. The primary splMray discharges north into a small unnamed <br />drainage. <br />1). Adequacy of the vegetative cover. Excellent oderat Few Poor <br />2): Erosion funning GuNies: Extensive Some ~ None <br />3). Is wave action causing erosion: <br />On the Upstnsam embankment? Yes <br />At the princpal spitluvay inlet? Yes <br />4). Erosion of the downstream tce of the embankment? Yes <br />Cause of erosion can be attritwted to: <br />No ~" <br />No L <br />No , <br />-r <br />5). Is seepage occurring through the dam? Yes <br />Could this seepage puss potential inshabilillf? <br />No l/ <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 />-. - 3j_, t~s 1#is;discharge outlet free of restrictive material? <br />:'~ ' 4). 'Is=er~ioe ocxurring at the discharge outlet? <br />~: Evatua5e ~e severity: Extensors Moderate <br />:'_=~ ;= <br />Yes `" No <br />Yes t- No <br />Yes [i No <br />Yes No y <br />Just starting None <br />Page 1 <br />