Laserfiche WebLink
<br />RECEIVED <br />QUARTERLY SEDIMENTATION POND INSPECTION REPO OV 3 0 2005 <br />CDMR Rule 4.05.6(17) <br />Oivisnn of Nt~n"9ra1~ anE GaologY <br />Mine: Southfield <br />NPDES ID. No.: Pond #4 <br />Inspection Period: Third Quarter, 2005 <br />Inspection Date: September 30, 2005 <br />General Description or Reference to Site Plan: <br />This pond is located on the rrorth east comer of the refuse disposal area. It is a sediment control <br />faalify receiving run-off from the refuse disposal area. The primary discharge gate has been disabled <br />in the open position, ensuring that the pond functions as a "pass-through" facility. <br />EMBANKMENT <br />1 j. Adequacy of the vegetative cover: <br />2). Erasion forming Gullies: <br />3). Is wave action causing erosion: <br />On the Upstream embankment? <br />At the principal spillway inlet? <br />Exceften Moderate Few Poor <br />Extensive Some ~ None <br />4). Erosion of the downstream tce of the embankment? <br />Cause of erosion can be attributed to: <br />5). Is seepage occurring through the dam? <br />Could th~ seepage pose potential instabitiq/? <br />Yes <br />Yes <br />Yes <br />Yes <br />®pr <br />No ~ <br />No ~ <br />No , _ <br />No ~ <br />PRINCIPAL SPILLWAY <br />1). Is the principal spillway system in working order? <br />2). is the inlet tree of debris and restrth6ve material? <br />3). Is the discharge outlet free of restrictive materiaY? <br />4). Is erosion oxurting at the discharge outlet? <br />Evaluate the severity: Extensive Moderate <br />Yes Y No <br />Yes v- No <br />Yes i__ No <br />Yes No ,/- <br />Just starting None <br />Page 1 of 2 <br />