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,F . ANNUAL SEDIMENTATION POND INSPECTION REPORT <br />~` CDMR Rule 4.05.9(15) <br />t~ <br />i.' <br />Mine: New Elk <br />NPDES ID. No.: Pond #7 <br />j Inspection Period: Fourth Quarter 2004 <br />Inspection Date: 3/13/2003 <br />General Description or Reference to Site Plan: <br />~ This pond receives run-off from the East Portal facililies~area. Ponds are referenced in section <br />2.05.3(4) of the New Elk permit. Cleanout is called for when the average sediment level reaches <br />an elevation of 7371.3'. 'Top of Primary riser is at 7378.5'. <br />i <br />i. <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 />Yes <br />Yes <br />4). Erosion of the downstream toe of the embankment? Yes <br />Cause dTerosion can be attributed to: <br />5). Is seepage occurring through the dam? Yes <br />Could this seepage cause potential instability? <br />Poor <br />None <br />No L <br />No ~ <br />No L <br />No ~, <br />~~~i°i: <br />PRINCIPAL SPILLWAY <br />F ~. <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 />Yes t. No <br />Yes !/ No <br />Yes lr No <br />Yes No /~ <br />Just starting None <br />4). Is erosion occurring at the discharge outlet? - <br />Evaluate the severity: Extensive Moderate <br />,.y,,;. .~.~, <br />Excellent Moderate ew <br />Extensive Same Fe <br />Page 1 <br />