HYDRO20882

• Permit No: C1980005
• IBM Index Class Name: Hydrology
• Doc Date: 1/30/1998
• Doc Name: 4th Qtr 1998 Inspections\
• From: SENECA COAL CO
• To: DMG
• Permit Index Doc Type: SEDIMENT POND INSPECTIONS
• Media Type: D
• Archive: No

PERIODIC INSPECTION FORM
Water, Sediment, or Slurry Impoundments
INSPECTOR'S NAME: Dennis Jones DATE: 12/0497
NPDES I.D. NO.: CO-0000221 ^.P. 004
FACILITY CONFIGURATION: ('rosy Pond_ DATE LAST INSPECTION: 09~25~97
SITE NAME: South Section 12 Pond #004 LOCATION: cW~€.~ c - ~ TSN. R87W
MINE NAME: c n a rr Min (c n a oa of LOCATION: 7.1 mi. cF of Hayden"
MINE I.D. NO.: cMT.Rn Permit No. C-80-005 OWNER'S REP.: Brad Brown, Ge^ Mgt
1.
2.
3.
4.
5.
6.
7.
8.
9.
10
11
12
13
14
15
16
17
18
19
20
Foundation preparation (removal of vegetation, stumps, topsoil: ~ No
Lift thickness: 12- in
Compaction according to approved plan: es No
Burning (specify extent and location): Yea 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 slopes:
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:
*Erosion of toe:
*Water impounded against toe:
Existing embankment freeboard: See comments
Increase Decrease in water level: No change
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
Spillway pipes:
Decant system:
Trash racks clear and in place:
Yes o
Yee N
Yes N
Yee
Yes
Yee
Yee o
Yes No
Yee
Yee
Yes
Yea
Yes No
5.g feet
feet
Yes
Yes No
N/A
N~A
N/A
~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 N A
Yes No
Yes ® N/A
Yee ~ N/A
es No N/A
*Major adveree changee 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.