EPA Air · violations by county and year
High-priority air violations in Douglas County, Wisconsin, 2025
- 24Violations
A high-priority violation is the most serious class of Clean Air Act non-compliance an agency records against a source; a federally reportable violation is the next step down in severity. Each row below is one violation recorded against a source in Douglas County, Wisconsin during 2025. A facility can appear several times: this is the year’s record of what happened, not a list of places. The sources themselves are on the Douglas County facility page.
Douglas County, Wisconsin, 2025
- Inspections 38
- Stack tests 14
High-priority air violations in Douglas County, other years
High-priority air violations recorded in Douglas County, Wisconsin, 2025
| Date | Facility | Kind | Agency |
|---|---|---|---|
| 2025-11-06 | SUPERIOR REFINING COMPANY LLC — high-priority violation on file | Earliest FRV determination | State |
| 2025-10-24 | SUPERIOR REFINING COMPANY LLC — high-priority violation on file | Earliest FRV determination | State |
| 2025-10-24 | SUPERIOR REFINING COMPANY LLC — high-priority violation on file | Earliest FRV determination | State |
| 2025-08-29 | SUPERIOR REFINING COMPANY LLC — high-priority violation on file | Earliest FRV determination | State |
| 2025-08-29 | SUPERIOR REFINING COMPANY LLC — high-priority violation on file | Earliest FRV determination | State |
| 2025-08-20 | SUPERIOR REFINING COMPANY LLC — high-priority violation on file | Earliest FRV determination | State |
| 2025-08-20 | SUPERIOR REFINING COMPANY LLC — high-priority violation on file | Earliest FRV determination | State |
| 2025-08-20 | SUPERIOR REFINING COMPANY LLC — high-priority violation on file | Earliest FRV determination | State |
| 2025-08-20 | SUPERIOR REFINING COMPANY LLC — high-priority violation on file | Earliest FRV determination | State |
| 2025-08-20 | SUPERIOR REFINING COMPANY LLC — high-priority violation on file | Earliest FRV determination | State |
| 2025-08-20 | SUPERIOR REFINING COMPANY LLC — high-priority violation on file | Earliest FRV determination | State |
| 2025-08-20 | SUPERIOR REFINING COMPANY LLC — high-priority violation on file | Earliest FRV determination | State |
| 2025-06-30 | SUPERIOR REFINING COMPANY LLC — high-priority violation on file | Earliest FRV determination | State |
| 2025-06-16 | SUPERIOR REFINING COMPANY LLC — high-priority violation on file | Earliest FRV determination | State |
| 2025-05-26 | SUPERIOR REFINING COMPANY LLC — high-priority violation on file | Earliest FRV determination | State |
| 2025-05-21 | SUPERIOR REFINING COMPANY LLC — high-priority violation on file | Earliest FRV determination | State |
| 2025-05-19 | SUPERIOR REFINING COMPANY LLC — high-priority violation on file | Earliest FRV determination | State |
| 2025-05-05 | SUPERIOR REFINING COMPANY LLC — high-priority violation on file | Earliest FRV determination | State |
| 2025-05-05 | SUPERIOR REFINING COMPANY LLC — high-priority violation on file | Earliest FRV determination | State |
| 2025-04-30 | SUPERIOR REFINING COMPANY LLC — high-priority violation on file | Earliest FRV determination | State |
| 2025-03-13 | SUPERIOR REFINING COMPANY LLC — high-priority violation on file | HPV day-zero determination | State |
| 2025-03-03 | SUPERIOR REFINING COMPANY LLC — high-priority violation on file | Earliest FRV determination | State |
| 2025-02-24 | FERADYNE OUTDOORS | Earliest FRV determination | State |
| 2025-02-24 | FERADYNE OUTDOORS | Earliest FRV determination | State |
Dates as filed by the agency that recorded the violation. Figures from EPA’s ICIS-AIR download.