Laserfiche WebLink
ANNUAL SEDIMENTATION POND INSPECTION REPORT <br />CDMR Rule 4.05.9(15) <br />Mine: New Elk <br />NPDES ID. No.: None: Containment Area #1 <br />Inspection Period: Fourth Quarter 2004 <br />Inspection Date: 11/26/04 <br />General Description or Reference to Site Plan: <br />This containment basin lies east of the West Portal Manway. Specifications are detailed on the <br />Containment Area No.1 as built drawing certified on May 7, 1993. The stage storage curve shows <br />top of embankment at 7537.0' with sediment accumulatiort to 7529'. <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 />(~xcel~~Moderate Few Poor <br />U" <br />Extensive Some CFew~ None <br />Yes <br />No L~ <br />4). Erosion of the downstream toe of the embankment? Yes <br />Cause of erosion can be attributed to: <br />N o L-- <br />5). Is seepage occurring through the dam? Yes <br />Could this seepage cause potential instability? <br />No li <br />SEDIMENT STORAGE CAPACITY <br />1). Has the design storage capacity of the reservoir been surpassed? <br />Yes <br />Elevation @ top of: <br />Elevation of Water Surface: <br />Elevation to top of Sediment: <br />OTHER OBSERVATIONS <br />No i-~ <br />z~ ~s ~Y .o <br />~,. <br />Page 1 <br />1 1 f Z~ l o y ~-~l ~~.~ <br />Date. - ~ Dat <br />