Hazardous waste · inspections by year
Petroleum and coal products manufacturing inspected in Yellowstone County, Montana in 2026
- 3Handlers inspected
- 8Inspections on record
- 3Handlers inspected in 2025
- 3rdAmong Montana counties that year
Yellowstone County, Montana has 3 hazardous waste handlers with at least one inspection on record during 2026, across 8 separate inspections. That compares with 3 in 2025, the same number. It is the 3rd largest of the 8 Montana counties with three or more handlers inspected that year. Each row below carries the date the inspection was recorded, the agency that recorded it and the kind of inspection it was.
Other years
Comparable counties in Montana, 2026
- Cascade County 3
- Lewis And Clark County 3
- Yellowstone County 3
- Yellowstone County 3
- Yellowstone County 3
- Missoula County 4
- Yellowstone County 6
Inspections recorded in 2026
| Date | Handler | Where | Kind | Recorded by |
|---|---|---|---|---|
| 2026-06-25 | PAR MONTANA LLC | Billings | FINANCIAL RECORD REVIEW | S |
| 2026-05-06 | CHS INC LAUREL REFINERY | Laurel | NON-FINANCIAL RECORD REVIEW | S |
| 2026-04-09 | PHILLIPS 66 COMPANY BILLINGS REFINERY | Billings | COMPLIANCE EVALUATION INSPECTION | S |
| 2026-04-01 | PHILLIPS 66 COMPANY BILLINGS REFINERY | Billings | FINANCIAL RECORD REVIEW | S |
| 2026-03-16 | CHS INC LAUREL REFINERY | Laurel | CORRECTIVE ACTION COMPLIANCE EVALUATION | S |
| 2026-03-16 | CHS INC LAUREL REFINERY | Laurel | COMPLIANCE EVALUATION INSPECTION | S |
| 2026-03-04 | PHILLIPS 66 COMPANY BILLINGS REFINERY | Billings | NON-FINANCIAL RECORD REVIEW | S |
| 2026-03-04 | PAR MONTANA LLC | Billings | NON-FINANCIAL RECORD REVIEW | S |
Figures from EPA’s RCRAInfo download.