Laserfiche WebLink
QUARTERLY SEDIMENTATION POND INSPECTION REPORT <br />CDMR Rule 4.05.6(13) <br />Mine: Southfield <br />NPDES ID. No.: Pond #3 (Water Storage) <br />Inspection Period: 1st-qtr 2001 <br />Inspection Date: 6-Mar-01 <br />General Description or Reference to Site Plan: <br />This pond is located west of the main facilities area and adjacent to the refuse disposal area. <br />The pond is partially incised with approximately 3:1 interior and exterior side slopes. The pond <br />interior is hypalon lined and the perimeter is fenced. Water level is manually controlled by the <br />operator. <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 of erosion 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 y <br />No ~ <br />No ~- <br />N o `' <br />PRINCIPAL SPILLWAY /i/a-(- f}f ~'LiCiF(JL-L' <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 />4). Is erosion occurring at the discharge outlet? <br />Evaluate the severity: Extensive Moderate <br />Excellent odera Few <br />Extensive Some ew <br />Page 1 of 2 <br />Yes ~(~~ No <br />Yes ,,/v- No <br />Yes !U~ No <br />Yes /f//~ No <br />Just starting None <br />