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Page 2/3 <br />Operator: <br />Permit: <br />Pond Identification <br />Type of Pond <br />Status During Inspection: <br />Design Depth <br />Design Max Water Depth <br />Design Max Sed. Depth <br />Sediment Level <br />Water Level <br />Outflow <br />Features <br />Erosional <br />Rills & Gulleys <br />Inadequate Vegetation <br />Outlet Channel Erosion <br />Burrows <br />Other <br />Structural <br />Differential Settling <br />Cracks or Slides <br />Seepage <br />Other <br />Appurtenant Structures <br />Defective Spillways <br />Dewatering Devices Clogged <br />Faulty Gates, Etc. <br />Other <br />Additional Comments <br />ntenance Required: <br />of Inspector: Jim Stover <br />QUARTERLY POND INSPECTION REPORT <br />Snowca Coal Company <br />C-1981-041 <br />Quarter: Fourth 2008 <br />Inspection Date: 14-Nov-08 11 <br />9 RSRDA 10 CRDA-2 11-CBA-2 13-North Portal SAE N Decl CBA-1 I <br />Sediment Sediment Sediment Sediment E/W Sums Sum <br />Desi n and Actual Depth from S illwa Invert <br />9.0 9.0 8.0 6.0 n/a 4.4 <br />n/a n/a n/a n/a n/a n/a <br />4.3 5.3 n/a 2.0 n/a 4.0 <br />6.4 5.6/6.1 3.5 5.8 n/a 3.8 <br />Dr Dr Dr Dr Dr D <br />0 0 0 0 0 0 <br /> <br />Problem Problem Problem Problem Problem Problem <br />Yes/No Yes/No Yes/No Yes/No Yes/No Yes/No <br /> <br />No No No No No No <br />No No No No No No <br />No No No No No No <br />No No No No No No <br />No No No No No No <br />No No No No No No <br />No No No No No No <br />No No No No No No <br />No No No No No No <br />No No No No N/A N/A <br />No No No No N/A N/A <br />No No No No N/A N/A <br />No No No No No No <br />Sediment level in pond 11 is about 3.5 feet below the top of the sediment poles. <br />Pond 11 has adequate capacity within the 3.5 feet to contain 25-year event. <br />p Ci 00p <br />None S'0/?%?a <br />iv o o4.&, <br />jl © \ <br />o <br />0000 <br />0 • 0 <br />OO0080Z °°i <br />J. E. P,V '; <br />Colorado P. E. 19230 Date