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Mining Area Yoast Mine(Seneca coal col Facility Configuration Gross-Vally Pond <br /> Date Inspected' ' 9/25/2018 Date Last Inspected 5/21/2018 <br /> Impoundment Pond#013 Pond Location SEX Nw'b,Sec 19,TSN,R87W Quarterly Impoundment Inspection Form <br /> NPDES ID No: CO-0000221 D.P.013 Site Location 8.5 mi SE of Hayden,CO <br /> Owner's Rep ` Miranda Kawcak Inspector Nicholas Aromando <br /> Mark or Write in Appropriate Response: <br /> FEATURE PROBLEM COMMENTS <br /> YES(Above) NO(Below) <br /> GENERAL <br /> Water Level(above or below principal spillway) X <br /> Existing Embsnknimt Freeboard(4.0 ft) 6.5 <br /> Outflow(gpm) X 0 <br /> EROSION' <br /> Rills&Gullies on Embankment X <br /> Wave Erosion X <br /> Spillway Erosion X <br /> Burrows X <br /> Other X <br /> STRUCTURAL <br /> Differential Settling X Seep below toe of dam on south side is from a native spring. <br /> Cracks or Slides X Not affecting dam embankment. <br /> Seepage X <br /> Other X <br /> STRUCTURES <br /> Principal Spillway <br /> Clogged Orifice X <br /> Clogged or Damaged Culvert X <br /> Damaged Headgate NA <br /> Emergency Spillway <br /> Erosion X <br /> Riprap X <br /> Clogged or Damaged Culvert X <br /> Other X <br /> hUINTENACE <br /> Maintenance Required X <br /> Maintenance Performed X <br /> Additional Comments X <br />