HYDRO25065

• Permit No: C1980005
• IBM Index Class Name: Hydrology
• Doc Date: 4/8/1993
• Doc Name: 1st Qtr 1993 Inspections
• From: PEABODY WESTERN
• To: MLRD
• Permit Index Doc Type: SEDIMENT POND INSPECTIONS
• Media Type: D
• Archive: No

PERIODIC INSPECTION FORK
' Water, Sediment, or Slurry Impoundments
INSPECTOR'S NAME: Tom Wainwrioht DATE: 03/18/93
NPDES I.D. NO.: CO-0000221 D.P. 002
FACILITY CONFIGURATION: Incised Pond DATE LAST INSPECTION: 12/08/92
SITE NAME: Wadae Impoundment X002 LOCATION: NWT NE;i, Sec. 34, T6N, R87W
MINE NAME: Seneca Mine !Peabody Coal Co.) LOCATION: 7.1 mi. SE of Hayden, CO
MINE I.D. NO.: CMLRD Permit No. C-005-80 OWNER'S REP.: Scott Williams, Supt.
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Circle or write in appropriate response
Foundation preparation (removal of vegetation, stumps, topsoil: Yee
Lift thickness:
Compaction according to approved plan: Yes
Burning (specify extent and location): Yes
Angle of elope: upstream, downstream Total =
*Seepage (specify location, color, and approximate volume)
From underdrain pipes:
At isolated points on embankment elopes:
At natural hillside:
Over widespread areas:
From downstream foundation area:
"Boils" beneath stream or ponded water:
Cracks or scarps on treat:
Cracks or scarps on elope:
Sloughing or bulging on elope:
*Major erosion problems:
Surface movements in valley bottom or on hillside:
*Eroaion of toe:
*Water impounded against toe:
Existing embankment freeboard:
Increase Decrease in water level: See note
Cracks, bulging, or erosion on upstream face:
Visible sumps or sinkholes in slurry surface:
*Clogging
Spillway channels and pipes:
Decant system:
Diversion ditches:
*Cracking or crushing of pipes
No N/A
in. N A
No A
No N/A
N/A
Yee No N A
Yes No
Yee N A
Yee No N A
Yee No A
Yes No N A
Yea No N/A
Yea No /A
Yes NO N/A
Yes No N/A
Yee No N/A
Yes No N/A
Yee No N/A
N/A feet
_ feet
Yee No N/A
Yee No N/A
Yes No N A
Yea No N A
Yes No N A
Spillway pipes: Yes No
Decant system: Yes No A
20. Trash racks clear and in place: Yes No N A
*Major adverse changes in these items could cause instability and should be reported to the
Engineering Manager and Mine Superintendent for further evaluation. Adverse conditions noted
in these items should normally be described (extent, Location, volume, etc.) in the space on
the back of this sheet.