2011-07-19_INSPECTION - C2009087

• Permit No: C2009087
• IBM Index Class Name: INSPECTION
• Doc Date: 7/19/2011
• Doc Name: Inspection Report
• From: DRMS
• To: Sage Creek Coal Company, LLC
• Inspection Date: 7/19/2011
• Email Name: JDM
• Media Type: D
• Archive: No

July 19, 2011
C- 2009- 087/Peabody Sage Creek Mine
JDM
HYDROLOGIC BALANCE - Rule 4.05
Drainage Control 4.05.1, 4.05.2, 4.05.3; Siltation Structures 4.05.5, 4.05.6; Discharge Structures 4.05.7, 4.05.10;
Diversions 4.05.4; Effluent Limits 4.05.2; Ground Water Monitoring 4.05.13; Surface Water Monitoring 4.05.13;
Drainage — Acid and Toxic Materials 4.05.8; Impoundments 4.05.6, 4.05.9; Stream Buffer Zones 4.05.18:
Pond 004 was holding water and discharging at the time of the inspection. The pond embankment was stable with
good vegetation established and no evidence of erosion or damage. The primary spillway was functioning as
designed and the emergency spillway was stable with no problems noted. Discharge was clear and measured at
.19 cfs at the flume.
Pond 002 (Wadge Impoundment) was holding water and discharging at the time of the inspection. The pond was
stable with no problems noted. The discharge was clear and the amount of discharge was not identified through
the flume. However, the recording station was observed and functioning as required.
The Pecoco Pond contained water and was discharging at the time of the inspection. The embankments were
stable and well vegetated at the time of the inspection. The primary CMP spillway was in good condition and the
emergency spillway was stable with no problems noted. The Pecoco Pond had no problems noted with the
exception of the following:
- A large amount of houndstouge rosettes were observed both on the pond embankment and in the area of the pond
These weeds should be managed as required per the PSCC mine permit.
Pond 003 was holding water and had a small amount of discharge at the time of the inspection. The pond
embankments were stable. Good vegetation was observed on the pond embankments and around the pond. The
emergency spillway was stable and the primary spillway was functioning as designed. The discharge was clear.
No problems were noted with the exception of the following:
- Houndstounge were observed on the pond embankments.
GENERAL MINE PLAN COMPLANCE:
The Peabody Sage Creek Mine was permitted in 2010 with initial construction activities beginning in May 2011.
At the time of the inspection, topsoil salvaging and storage is ongoing at the locations of approved facilities.
Topsoil operations have neared completion with the exception of the area of the south facilities pad. The
excavation of the portal area and the buildup of the coal handling facilities area, the facilities area and the
substation location is on- going. According to Joe Shoemaker of SCC, A time frame of September is the goal for
excavation and dirt work activities.
Number of Partial Inspection this Fiscal Year: 1
Number of Complete Inspections this Fiscal Year: 0
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