HYDRO30358

• Permit No: C1980005
• IBM Index Class Name: Hydrology
• Doc Date: 4/23/1998
• Doc Name: 1sst Qtr 1998 Inspections
• From: SENECA COAL CO
• To: DMG
• Permit Index Doc Type: SEDIMENT POND INSPECTIONS
• Media Type: D
• Archive: No

PERIODIC INSPECTION PORtQ
Water, Sediment, or Slurry Impoundments
INSPECTOR'S NAME: Micha 7 Al av'lla DATE: 03/18/98
NPDES I.D. NO.: ['0-0000 1 o P 00
FACILITY CONFIGURATION: I ncised Pond DATE LAST INSPECTION: ~/?~/97
SITE NAME: Wadqe 7m=oundm ent aY007 LOCATION: NWT NRS~ gec_ 34 T6N ii87W
MINE NAME: c n a rr M;n (,aen a Coal o; LOCATION: 7.1 m'. ¢F of HaydenT(`O
MINE I.D. NO.: C r.Rn P m ; No. -80-005 OWNER'S REP.: Brad Brown~c-P~`Mg7-
1. Foundation preparation (removal of vegetation, stumps, topsoil: Yee No N
2. Lift thickness: in.
3. Compaction according to approved plan: Yes No ®A
4. Burning (specify extent and location): Yes No
5. Angle of slope: upstream, downstream Total =
6. *Seepage (specify location, color, and approximate volume)
From underdrain pipes: Yes No
At isolated points on embankment elopes: Yes No
At natural hillside: Yea ®o N/A
Over widespread areas: Yes ~ N/A
From downstream foundation area: Yee No
"boils" beneath stream or ponded water: Yes ~ N/A
7. Cracks or scarps on crest: Yes No
8. Cracks or scarps on slope: Yes No
9. Sloughing or bulging on elope: Yes No
10. *Major erosion problems: Yes Q N/A
11. Surface movements in valley bottom or on hillside: Yee No N/A
12. *Erosion of toe: Yes No
13. *Water impounded against toe: Yea No A
14. Existing embankment freeboard: see comments T/A feet
15. Increase Decrease in water level: No change feet
16. Cracks, bulging, or erosion on upstream face: Yee No N~A
17. Visible sumps or sinkholes in Blurry surface: Yee No
18. *Clogging
Spillway channels and pipes: Yes No N A
Decant system: Yes No
Diversion ditches: Yea Qo N/A
19. *Cracking or crushing of pipes
Spillway pipes: Yee ® N A
Decant system: Yes No N/
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 conditions noted
in these items should normally be described (extent, location, volume, etc.) in the apace on
the back of this sheet.