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QUARTERLY SEDIMENTATION POND INSPECTION REPORT <br />CDMR Rule 4.05.9(17) <br />Mine: New Elk RDA Containment SW <br />NPDES ID. No.: <br />Inspection Period <br />Inspection Date: <br />None <br />Fourth Quarter 2016 <br />12/05/16 <br />General Description or Reference to Site Plan: <br />This partially incised containment basin is a non -discharging facility designed to contain run-off <br />from the area west of the RDA belt conveyor and south of highway 12. <br />EMBANKMENT <br />1). Adequacy of the vegetative cover: Excellent Moderate Few. Poor <br />2). Erosion forming Gullies: Extensive Some Few one <br />3). Is wave action causing erosion: <br />On the Upstream embankment? Yes No <br />4). Erosion of the downstream toe of the embankment? Yes No <br />Cause of erosion can be attributed to: <br />5). Is seepage occurring through the dam? Yes No C ­— <br />Could this seepage cause potential instability? <br />SEDIMENT STORAGE CAPACITY <br />1). Has the design storage capacity of the reservoir been surpassed? <br />9 Yes No (/ <br />Explain: �.� t :0-4 c>� �- <br />OTHER OBSERVATIONS: <br />6�;-bCl "=" <br />fj� L y! J <br />fir. <br />MSHA Trained Impoundment Ins <br />February 21, 2017 <br />