HYDRO23089

• Permit No: C1980005
• IBM Index Class Name: Hydrology
• Doc Date: 6/14/1990
• Doc Name: 2nd Qtr 1990 Inspections
• From: PEABODY COAL CO
• To: MLRD
• 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
NPDES I D 0
5/7/90
. N .. - D.P. 003 2/16/90
FACILITY CONFIGU Diked Pond DATE LAST INSPECTION:
SITE NAME: Northwest Impoundment #003 LOCATION:SE'hSWS:,Sec-2 T N, r iw
MINE NAME: eneca one ea o y oa o LOCATION: mi. o ay en,
MIN E I.D. N .. ermi - - OWNER'S R .. on u ian, uot.
Circle or write in appropriate response
1. Foundation preparation (removal of vegetation, stumps, topsoil): _ es No N/A
2. Lift thickness: 12 in. N/A
3. Compaction according to approved plan: ~ No N/A
4. Burning (specify extent and location): Yes No J~/,
5. Angle of slope: 2:1 upstream, 3:1 downstream Total = 5:1 N/A
6. *Seepage (specify location, color, and approximate volume)
From underdrain pipes: Yes No LTj~i
At isolated points on em anKment slopes: Yes N/A
At natural hillside: Yes N/A
Over widespread areas: Yes N/A
From downstream foundation area: Yes N/A
"Boils" beneath stream or ponded wa er: Yes N/A
7. Cracks or scarps on crest: Yes ® N/A
8. Cracks or scarps on slope: Yes ® N/A
9. Sloughing or bulging on slope: Yes ® N/A
10. *Major erosion problems: Yes ® N/A
11. Surface movements in valley bottom or on hillside: Yes ® N/A
12. *Erosion of toe: Yes 1~ N/A
13. *Water impounded against toe: Yes ® N/A
14. Existing embankment freeboard: 4.9 feet
15. Increase Decrease in water level: 0 feet
16. Cracks, bulging, or erosion on upstream face: Yes ® N/A
17. Visible sumps or sinkholes in slurry surface: Yes No N
18. *Clogging
Spillway channels and pipes: Yes i~g /
p
N

Decant system:
Yes
No ~
-
~
Diversion ditches: Yes ® N/A
19. *Cracking or crushing of pipes
Spillway pipes: Yes ® N/A
Decant system: Yes No ~~
20. Trash racks clear and in place: ~e 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 condi-
tions noted in these items should normally be described (extent, location, volume, etc.)
in the space on the back of this sheet.