2025-12-05_INSPECTION - C2009087

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November 19, 2025 C-2009-087/Peabody Sage Creek Mine NCG Number of Partial Inspection this Fiscal Year: 0 Number of Complete Inspections this Fiscal Year: 2 Page 3 of 9 ROADS Rule 4.03 Construction 4.03.1(3), 4.03.2(3); Drainage 4.03.1(4), 4.03.2(4); Surfacing and Maintenance 4.03.1(5) and (6) 4.03.2(5) and (6). The gravel roads around the site appeared stable and in good condition at the time of inspection. Drainage ditches are maintained to control stormwater. Some sediment loading was observed in the ditch that runs along Road D, near the water tank. The operator will need to excavate the ditch in this area. 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; Drainage- Acid and Toxic Materials 4.05.8; Impoundments 4.05.6,4.05.9; Stream Buffer Zones 4.05.18. The banks around the ponds and dam outslopes appeared stable and well vegetated at the time of inspection. No seepage through the pond dams was observed at the time of inspection. Pond emergency spillways appeared to be clear or excess vegetation and functioning adequately. The Division observed the following ponds during the inspection:  Pond 3 on the north end of the site was holding water and not discharging through the culvert at the time of inspection. The vegetation around the discharge culvert and channel is maintained to allow flow. A few new badger holes were noted on the top and north side of the dam (Photo 3). The operator will need to fill the holes to ensure stability of the dam.  Pond 2 in the center of the site was holding water and discharging clear water through the flume during the inspection (Photo 4).  Pecoco pond on the south end of the site was holding water (Photo 6).  Upper and lower sumps were holding water during the inspection (Photos 7-8). TOPSOIL— Rule 4.06 Removal 4.06.2; Substitute Materials 4. 06.4( 4); Storage and Protection 4. 06. 3; Redistribution 4. 06.4:  One large topsoil stockpile is located adjacent to the Pecoco pond. The pile appears stable, well vegetated and undisturbed. SLIDES and OTHER DAMAGE- Rule 4.12  No areas of instability, slumping or sliding were noted at the time of inspection. FISH and WILDLIFE– RULE 4.18  No wildlife was noted on site during the inspection. INSPECTION, ENFORCEMENT and CIVIL PENALTIES – RULE 5 Inspections 5.02; Availability of Records  Records were reviewed at the Peabody Mine office. See the records checklist at the end of this report. Records are kept in paper and electronic forms.