HYDRO21815

• Permit No: C1980005
• IBM Index Class Name: Hydrology
• Doc Date: 1/14/1999
• Doc Name: 4th Qtr 1999 Inspections
• From: SENECA COAL CO
• To: DMG
• Permit Index Doc Type: SEDIMENT POND INSPECTIONS
• Media Type: D
• Archive: No

PERIODIC INSPECTION FORK
Water, Sediment, or Slurry Impoundments
INSPECTOR'S NAME: M; ha 1 Al av tla DATE: 12/10/98
NPDES I.D. NO.: CO-0000221 0_P. 004
FACILITY CONFIGURATION: Croee-Valley Pond DATE LAST INSPECTION: 09/18/98
SITE NAME: South Section 72 Pond :1004 LOCATION: sWih~'.3j ~ TSN R87W
MINE NAME: can a_ r Te. ? M'n~(~c na a Oat -e1 LOCATION: 7.1 m±_ cE Of Haydn s0
MINE I.D. NO.: Cr.+r.an P m;r NO_ -80-OOC OWNER'S REP.: Brad Brown, Gen NQr
1
2
3
4
5
6
7.
8.
9.
10.
11.
12.
13.
14.
15.
16.
17.
1B.
19.
20
Foundation preparation (removal of vegetation, stumps, topsoil: Yee No
Lift thickness: 1Z in
Compaction according to approved plan: ee No
Burning (specify extent and location): Yee No
Angle of elope: 5:1 upstream, 2:1 downstream Total = 7:1
*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 crest:
Cracks or scarps 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:
Increase Decrease in water level: No chanQp
Cracks, bulging, or erosion on upstream face:
Visible sumps or sinkholes in slurry surface:
*Clogging
Spillway channels
Decant system:
Diversion ditches:
*Cracking or crushing of pipes
Spillway pipes:
Decant system:
Trash racks clear and in place:
and pipes:
Yes
Yee
Yee o
Yes
Yea O
Yee ~~~
Yee
Yee
Yee
Yee
Yes
Yee
Yee
5.3 feet
feet
Yee ®o
Yee No
N/A
N/A
N/A
N A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
Yee N/A
Yee N A
Yee No
Yee ~ N/A
Yee o N/A
ee No N/A
*Major adverse changes in these items could cause instability and should be reported to the
Engineering Manager and Hine 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.