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<br />QUARTERLY POND INSPECTION REPORT <br />THE PITTSBURG 8 MIDWAY COAL MINING CO. <br />EDNA MINE <br />~~-~r-~l~Fn <br />~~~ 02 1997 <br /> <br />Pond Identification: TIPPLE PONDS #'S 1.2.3. &4 (NPDES 0011 <br />Type Of Pond: ALL INCISED AND IN SERIES <br />Operational Status At Time of Inspection <br />Approximate Water Level: POND 1 - 0.5 FT. BELOW DISCHARGE <br />POND 2 - 1.0 FT. BELOW DISCHARGE <br />POND 3 - 1.0 FT. BELOW DISCHARGE <br />POND 4 - 1.2 FT. BELOW DISCHARGE. <br />Sediment Level (%) Total Storage: SEE COMMENTS <br />Outflow (cfs): NONE <br />Features Status <br />Comments <br />Erosional: <br />Rills & Gullies On Embankment ok <br />Vegetation ok <br />Outlet Channels ok <br />Other <br />Pond Structure: <br />Settling ok <br />Cracks Or Slides ok <br />Seepage ok <br />Other <br />Appurtenant Structures: <br />Primary Spillway ok <br />Secondary Spillway ok Primary and Secondary Spillways Combined. <br />Other <br />Additional Comments: Pond #1 Sediment level is 2.3 feet below discharge elevation. <br />Pond #2 Sediment level is 2.1 feet below discharge elevation. <br />Pond #3 Sediment level is 2.9 feet below discharge elevation. <br />Pond #d Sediment level is 3.3 feet below discharge elevation. <br />Pond series appears to be functioning well. <br />Page 4.6-113 of the Edna Mine Permit lists sediment levels within each pond that would trigger the need <br />for clean out. All 4 ponds are below these specified levels. Pond #1 was cleaned summer of 1997. <br />Inspected By: (~V X,t',(,r ~ ~~`~ <br />Kirk Allen Zabel <br />Colorado P.E. # 28855 <br />Dale: September 26, 1997 <br />~~~~"~~ ~O Rf .~~~~i <br />oQP C, %, <br />~~ :,•• pLLEN'• ~c^~ <br />•~ <br />2" ri ° <br />-0 3 28885 <br />p ~ ~ ~2 <br />, .n ~,. ~ <br />i !~ '•. ~• <br />~~~~~i~;r/ANAL EN~~~`\``. <br />