2013-10-31_HYDROLOGY - C2009087 ‎(3)‎

• Permit No: C2009087
• IBM Index Class Name: Hydrology
• Doc Date: 10/31/2013
• Doc Name: 2nd Quarter 2013 Pond Inspection ‎(Emailed)‎
• From: Scott Cowman
• To: DRMS
• Permit Index Doc Type: Sediment Pond Inspections
• Email Name: JDM
• Email Name: DIH
• Media Type: D
• Archive: No

PERIODIC INSPECTION FORM
Water, Sediment, or Slurry Impoundments

06/03/13
INSPECTOR'S NAME: Chris Miller DATE:
NPDES I.D. NO.: CO-0048275 D.P. 002
03/06/13
FACILITY CONFIGURATION: Incised Pond DATE LAST INSPECTION:
SITE NAME: Wadge Impoundment #002 LOCATION: NW¼ NE¼, Sec. 2, T5N, R87W
MINE NAME: Peabody Sage Creek Mine LOCATION: 7.1 mi. SE of Hayden, CO
MINE I.D. NO.: CMLRD Permit No. C-2009-087 OWNER'S REP.: Ed Brady

Circle or write in appropriate response

1. Foundation preparation (removal of vegetation, stumps, topsoil: N/A

2. Lift thickness: N/A
3. Compaction according to approved plan: N/A
4. Burning (specify extent and location): N/A
5. Angle of slope: upstream, downstream Total = N/A
6. *Seepage (specify location, color, and approximate volume)
N/A
From underdrain pipes: _____________________________________ Yes No
N/A
At isolated points on embankment slopes:___________________ Yes No
N/A
At natural hillside: _______________________________________ Yes No
N/A
Over widespread areas: _____________________________________ Yes No
N/A
From downstream foundation area: ___________________________ Yes No
No
"Boils" beneath stream or ponded water: ____________________ Yes N/A
N/A
7. Cracks or scarps on crest: _______________________________________ Yes No
N/A
8. Cracks or scarps on slope: _______________________________________ Yes No
N/A
9. Sloughing or bulging on slope: ___________________________________ Yes No
No
10. *Major erosion problems: _________________________________________ Yes N/A
No
11. Surface movements in valley bottom or on hillside: ______________ Yes N/A
N/A
12. *Erosion of toe: _________________________________________________ Yes No
N/A
13. *Water impounded against toe: ____________________________________ Yes No
14. Existing embankment freeboard: ___________________________________ 0 feet
15. Increase Decrease in water level: Same ______________ feet
N/A
16. Cracks, bulging, or erosion on upstream face: ___________________ Yes No
N/A
17. Visible sumps or sinkholes in slurry surface: Yes No
18. *Clogging
No
Yes N/
Spillway channels and pipes: _______________________________ A
N/A
Decant system: _____________________________________________ Yes No
No
Yes N/
Diversion ditches: _________________________________________ A
19. *Cracking or crushing of pipes
N/A
Spillway pipes: ____________________________________________ Yes No
N/A
Decant system: _____________________________________________ Yes No
N/A
20. Trash racks clear and in place: __________________________________ Yes No
21. Discharge rate (gpm) _____________________________________________

*Major adverse changes in these items could cause instability an
Engineering Manager and Mine Superintendent for further evaluation. Adverse conditions
noted in these items should normally be described (extent, locat
space on the back of this sheet.