HYDRO20395

• Permit No: C1980005
• IBM Index Class Name: Hydrology
• Doc Date: 10/5/1990
• Doc Name: 3rd 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
NPDES I.D. NO.: - D.P. 08
DATE: 7/23/90
FACILITY CONFIGU ~ Cross-Va ley Pon DATE LAST INSPECTION:
SIT E NAME: Pond #008 LOCATION:SW'/~NW'h, Sec. 7 T5N, R86W
MIN E NAME: eneca pine ea o y oa o LOCATION: mi. of ay en,
MIN E I.D. N .: ermit - - OWNER'S R .. on u pan, upt.
Circle or write in aDPropriate response
1. Foundation preparation (removal of vegetation, stumps, topsoil): _ es No N/P.
2. Lift thickness: 12 in. N/,4
3. Compaction according to approved plan: © No N/,4
4. Burning (specify extent and location): Yes No 1~~
5. Angle of slope: 3:1 upstream, 3:1 downstream Total = 6:1 N/A
6. *Seepage (specify location, color, and approximate volume)
From underdrain pipes: Yes No
At isolated points on em an ment s opes: Yes ~ N/A
At natural hillside: Yes No N/A
Over widespread areas: Yes Lo N/A
From downstream foundation area: Yes No N/A
"Boils" beneath stream or ponded wa er: es (Ro N/A
7. Cracks or scarps on crest: Yes 'No N/A
8. Cracks or scarps on slope: Yes ;~o N/A
9, Sloughing or bulging on slope: Yes C!o N/A
10. *Major erosion problems: Yes N'o N/A
11. Surface movements in valley bottom or on hillside: Yes loo N/A
12. *Erosion of toe: Yes ~o N/A
13. *Water impounded against toe: Yes ~N9 N/A
14. Existing embankment freeboard: 8.4 feet
15. Increase Decrease in water level: c: feet
16. Cracks, bulging, or erosion on upstream face: Yes No N/A
17. Visible sumps or Sinkholes in slurry surface: Yes No N/A
18. *Clogging
Spillway channels and pipes: Yes N~ N/A
Decant system: Yes No ~,,N_..1~~9--
Diversion ditches: Yes No C.Y~Q,~
19. *Cracking or crushing of pipes
Spillway pipes: Yes N_o N/A
Decant system: Yes No ~
20. Trash racks clear and in place: Ygs 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 normaily be described (extent, location, volume, etc.)
in the space on the back of this sheet.