Laserfiche WebLink
<br />QUARTERLY SEDIMENTATION POND INSPECTION REPORT <br />CDMR Rule 4.05.6(17) <br />Mine: Southfield <br />NPDES ID. No.: <br />Inspection Period: <br />Inspection Date: <br />Pond #5 <br />First Quarter 2009 <br />April 3, 2009 <br />General Description or Reference to Site Plan: <br />This sediment control pond lies north east of the main facilities area. All drainage from the <br />reclaimed mine facilities area is directed to this pond. The primary discharge gate has been disabled <br />in the open position, ensuring that the pond functions as a "pass-through" facility. <br />#:j11rX1r,1 4itt <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 />4). 'Erosion of the downstream toe of the embankment? <br />Cause of erosion can be attributed to: <br />Excellen Moderate Few <br />Extensive Some Fe <br />Yes <br />Yes <br />Yes <br />Poor <br />None <br />No <br />No <br />No ?-- <br />5). Is seepage occurring through the dam? Yes No <br />Could this seepage cause potential instability? <br />--------- ----- <br />PRINCIPAL SPILLWAY <br />1). Is the principal spillway system in working order? Yes v <br />2). Is the inlet free of debris and restrictive material? Yes ??- <br />3). Is the discharge outlet free of restrictive material? Yes t/ <br />4). Is erosion occurring at the discharge outlet? Yes <br />Evaluate the severity: Extensive Moderate Just starting None <br />No <br />No <br />No <br />No <br />Page• 1 of 2