2018-01-24_HYDROLOGY - C2009087 (2)

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PERIODIC INSPECTION FORM: Water, Sediment, or Slurry Impoundments INSPECTOR'S NAME: Jason Herden DATE: 10/18/17 NPDES I.D. NO.: N/A FACILITY CONFIGURATION: Incised Pond DATE LAST INSPECTION: 08/21/17 SITE NAME: Truck Wash Settling Pond LOCATION: NWY. NEY., Sec. 34, T6N, R87W MINE NAME: Peabody Sage Creek Mine LOCATION: 7.1 mi. SE of Hayden, CO MINE I.D. NO.: CMLRD Permit No. C-2009-087 OWNER'S REP.: Miranda Kawcak CIRCLE OR WRITE IN APPROPRIATE RESPONSE: YES NO N/A 1 Foundation preparation (removal of vegetation, stumps, topsoil: x 2 Lift thickness= N/A 3 Compaction according to approved plan: x 4 Burning (specify extent and location): X 5 lAngle of slope:_ upstream, downstream N/A 6 *Seepage (specify location, color, and approximate volume) From underdrain pipes X At isolated points on embanckement slopes X At natural hillside: X Over widespread areas: x From downstream foundation area: x "Boils" beneath stream or ponded water. X 7 Cracks or scarps on crest: X 8 Cracks or scarps on slope: x 9 Sloughing or bulging on slope: X 10 *Major erosion problems: X 11 ISurface movements in valley bottom or on hillside: X 12 *Erosion of toe: x 13 *Water impounded against toe: X 14 Existing embankment freeboard (5.0' is normal) DRY 15 Increase Decrease in water level: 16 JCracks, bulging, or erosion on upstream face: X 17 lVisible sumps or sinkholes in slurry surface: X 18 *Clogging Spillway channels and pipes: X Decant system: X Diversion ditches: X 19 *Cracking or crushing of pipes 5pillwoy pipes: x Decant system: x R ah racks clear and in place: x scharge rate {gpm} = Q *Major adverse changes in these items could cause instability and should be reported to the Engineering Manager and Mine Superintendent far further evaluation. Adverse conditions noted in these items should normally be described (extextent, location, volume, etc.) here: None