HYDRO21601

• Permit No: C1980005
• IBM Index Class Name: Hydrology
• Doc Date: 1/12/1995
• Doc Name: 4th Qtr 1995 Inspections
• From: PEABODY WESTERN
• To: DMG
• Permit Index Doc Type: SEDIMENT POND INSPECTIONS
• Media Type: D
• Archive: No

• ~ PBRIODIC INSPBCTION FORM
Water, Sediment, or Slurry Impoundments
INSPECTOR' S NAME: Denni s Jones DATE: 12/07/94
NPDES I.D. NO.: CO-00 00221 D.P. 008
FACILITY C ONFIGURATION: Chose-Val ley Pond DATE LAST INSPECTION: 09/22/94
SITE NAME: Pond #008 LOCATION: SWS: NWy. Sec. 7. TSN. R86W
MINE NAME: Seneca II Mi ne (Seneca Coal Col LOCATION: 7.1 mi. S of Hayden. CO
MINE I.D. NO.: CMLRD Pe rmit No. C -80-005 OWNER'S REP.: Scott Wil liams. Gen Mar
Circle or writs in anorooriate reaoonae
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: es No N/A
Lift thickness: 12 in. N/A
Compaction according to approved plan: ~
3~ No N/A
Burning (specify extent and location): ~ Yes No
Angle of elope: 3:1 upstream, 3:1 downstream Total = 6:1 N/A
*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 slope:
Sloughing or bulging on slope:
*Major erosion problems:
Surface movements in valley bottom or on hillside:
*Erosion of toe:
*Water impounded against toe:
Existing embankment freeboard:
Increase Decrease in water level: No chance
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:
Trash racks clear and in place:
Yes No
Yes o N/A
Yes o N/A
Yes N/A

Yes ® N/A
Yes N/A
Yes N/A
Yes Q N/A
Yes ® N/A
Yes 9o N/A
Yes ~ N/A
Yes N/A
Yes ~
o N/A
8.0 feet
feet
_
Yes ~ N/A
Yes No /A
Yes ®° N A
Yes No
Yes No
Yes ® Nfj~_
Ye s No QSf~
es No N/A
*Maj or 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.