HYDRO29021

• Permit No: C1980005
• IBM Index Class Name: Hydrology
• Doc Date: 6/21/1993
• Doc Name: 2nd Qtr 1993 Inspections
• From: PEABODY WESTERN
• To: DMG
• Permit Index Doc Type: SEDIMENT POND INSPECTIONS
• Media Type: D
• Archive: No

PERIODIC INSPECTION FORT(
Water, Sediment, or Slurry Impoundments
INSPECTOR'S NAME: Tom Wainwright DATE: 06/10/93
NPDES I.D. NO.: CO-0000221 D.P. 002
FACILITY CONFIGURATION: Incised Pond DATE LAST INSPECTION: 03/18/93
SITE NAME: Wadoe Impoundment #002 LOCATION: NWT ME~t, Sec. 34, T6N, R87W
MINE NAME: Seneca Mine (Peabody Coal Co.1 LOCATION: 7.1 mi. SE of Hayden, CO
MINE I.D. NO.: CMLRD Permit No. C-005-80 OWNER'S REP.: Scott Williams, Supt.
Circle or write in aopropriete reapoase
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19.
Foundation preparation (removal of vegetation, stumps, topsoil: Yee No N/A
Lift thickness: in. %A
Compaction according to approved plan: Yes No N/~
Burning (specify extent and location): Yee No C1P~%~
Angle of elope: upstream, downstream Total = %A
*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 ecarpe on crest:
Cracks or ecarpe on elope:
Sloughing or bulging on elope:
*Major erosion problems:
Surface movements in valley bottom or on hillside:
*Eroeion of toe:
*Water impounded against toe:
Existing embankment freeboard:
X Increase Decrease in water level:
Cracks, bulging, or erosion on upstream face:
Visible sumps or sinkholes in slurry surface:
*Clogginq
Spillway channels and pipes:
Decant system:
Diversion ditches:
*Cracking or crushing of pipes
Spillway pipes:
Decant system:
20. Trash racks clear and in place:
Yee No
Yee No
Yee ~ N/A
Yee ~ N/A
Yee No CN/~~
Yea CN~ N/A
Yee N/A
Yes No C_N~A~
Yes No N/A
Yee No /A
Yee No ~N
Yee No ~N~
Yee L`~ N/A
Yee No N/A
Yee No ~NJA~
Yee No ~N/A
N/A feet
_ feet
Yee No ~N/~
Yee No /A
Yee No ~~A
Yee No A i
Yee No ~/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 apace on
the back of this sheet.