HYDRO23207

• Permit No: C1980005
• IBM Index Class Name: Hydrology
• Doc Date: 10/21/1994
• Doc Name: 3rd Qtr 1994 Inspections
• From: PEABODY WESTERN
• To: DMG
• Permit Index Doc Type: SEDIMENT POND INSPECTIONS
• Media Type: D
• Archive: No

PBRIODIC INSPECTION FORK
Water, Sediment, or Slurry Impoundments
INSPECTOR' S NAME: Michael G. Altavilla DATE: 09 /22 /94
NPDES I.D. NO.: CO-0000221 D.P. 008
FACILITY CONFIGURATION: Croae-Valley Pond DATE LAST INSPECTION: 06 /07/94
SITE NAME: Pond f008 LOCATION: SW4 NW~i, Sec. 7 , T6N, R86W
MINE NAME: Seneca II Mine (Peabody Coal Co.l LOCATION: 7.1 mi. S of Ha yden, CO
MINE I.D. NO.: CMLRD Permit No. C-005-80 OWNER'S REP.: Scott Williams, Supt.
Circle or write is appropriate response
1. Foundation preparation (removal of vegetation, stumps, topsoil: ~s? No N/A
2. Lift thickness: 12 in. N/A
3. Compaction according to approved plan: LYee No N/A
4. Burning (specify extent and location): Yes No ~A
5. Angle of elope: 3.1 upstream, 3.1 downstream Total = 6.1 N/A
6. *Seepage (specify location, color, and approximate volume)
From underdrain pipes: Yes No ~/A~
At isolated points on embankment elopes: Yes LNo~ N/A
At natural hillside: Yea ~Iqi N/A
Over widespread areas: Yes ~No~ N/A
From downstream foundation area: ~ No N/A
"Boils" beneath stream or ponded water: Yes ~ N/A
7. Cracks or scarps on crest: Yes jig: N/A
8. Cracks or scarps on slope: Yes ~o~ N/A
9. Sloughing or bulging on slope: Yes ~qi N/A
10. *Major erosion problems: Yes N~'o~ N/A
11. Surface movements in valley bottom or on hillside: Yes ~ N/A
12. *Erosion of toe: Yes ~ N/A
13. *Water impounded against toe: Yes Qom' N/A
14. Existing embankment freeboard: 8.0 feet
15. increase Decrease in water level: No chance feet
16. Cracks, bulging, or erosion on upstream face: Yes ~ N/A
17. Visible sumps or sinkholes in slurry surface: Yes No ~~
18. *Clogging
Spillway channels and pipes: Yes ~Io) N/A
Decant system: Yee No
~
Diversion ditches: Yes No i
19. *Cracking or crushing of pipes
Spillway pipes: Yes ~ N,A
Decant system: Yes No CN(~-
20. Trash racks clear and in place: esl 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.