Hazardous waste · inspections by year
Large quantity generators inspected in Yellowstone County, Montana in 2025
- 6Handlers inspected
- 15Inspections on record
- 4Handlers inspected in 2024
- 12thAmong Montana counties that year
Yellowstone County, Montana has 6 hazardous waste handlers with at least one inspection on record during 2025, across 15 separate inspections. That compares with 4 in 2024. It is the 12th largest of the 19 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, 2025
- Cascade County 8
- Custer County 3
- Flathead County 11
- Gallatin County 16
- Lewis And Clark County 9
- Missoula County 13
- Park County 3
- Ravalli County 5
- Silver Bow County 5
Inspections recorded in 2025
| Date | Handler | Where | Kind | Recorded by |
|---|---|---|---|---|
| 2025-11-25 | CHS INC LAUREL REFINERY | Laurel | FINANCIAL RECORD REVIEW | S |
| 2025-11-06 | UPS BILLINGS CENTER | Billings | COMPLIANCE EVALUATION INSPECTION | S |
| 2025-10-21 | PAR MONTANA LLC | Billings | FINANCIAL RECORD REVIEW | S |
| 2025-10-02 | JUPITER SULPHUR LLC - BILLINGS | Billings | NON-FINANCIAL RECORD REVIEW | S |
| 2025-09-10 | PAR MONTANA LLC | Billings | COMPLIANCE EVALUATION INSPECTION | S |
| 2025-07-30 | PHILLIPS 66 COMPANY BILLINGS REFINERY | Billings | NON-FINANCIAL RECORD REVIEW | S |
| 2025-05-08 | PHILLIPS 66 COMPANY BILLINGS REFINERY | Billings | FINANCIAL RECORD REVIEW | S |
| 2025-04-17 | PHILLIPS 66 COMPANY BILLINGS REFINERY | Billings | COMPLIANCE EVALUATION INSPECTION | S |
| 2025-03-17 | CHS INC LAUREL REFINERY | Laurel | CORRECTIVE ACTION COMPLIANCE EVALUATION | S |
| 2025-03-17 | CHS INC LAUREL REFINERY | Laurel | COMPLIANCE EVALUATION INSPECTION | S |
| 2025-03-06 | PHILLIPS 66 COMPANY BILLINGS REFINERY | Billings | NON-FINANCIAL RECORD REVIEW | S |
| 2025-02-28 | CHS INC LAUREL REFINERY | Laurel | NON-FINANCIAL RECORD REVIEW | S |
| 2025-02-27 | PAR MONTANA LLC | Billings | NON-FINANCIAL RECORD REVIEW | S |
| 2025-02-14 | JUPITER SULPHUR LLC - BILLINGS | Billings | NON-FINANCIAL RECORD REVIEW | S |
| 2025-02-13 | BRENNTAG PACIFIC - BILLINGS | Billings | NON-FINANCIAL RECORD REVIEW | S |
Figures from EPA’s RCRAInfo download.