EPA Air · violations by county and year
High-priority air violations in Fremont County, Colorado, 2025
- 5Violations
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 Fremont County, Colorado 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 Fremont County facility page.
Fremont County, Colorado, 2025
- Inspections 14
High-priority air violations in Fremont County, other years
High-priority air violations recorded in Fremont County, Colorado, 2025
| Date | Facility | Kind | Agency |
|---|---|---|---|
| 2025-07-24 | AUSCO - TRIGGER/TRUMPETFISH 22-31 PAD | Earliest FRV determination | State |
| 2025-07-24 | AUSCO PETROLEUM - OILFISH 24-30 WELL PAD | Earliest FRV determination | State |
| 2025-06-25 | AUSCO PETROLEUM - LIBERTY 32-32 WELL PAD | Earliest FRV determination | State |
| 2025-03-02 | HOLCIM-WCR - T.H.E. AGGREGATE SOURCE | Earliest FRV determination | State |
| 2025-01-27 | AMRIZE PORTLAND PLANT — high-priority violation on file | Earliest FRV determination | State |
Dates as filed by the agency that recorded the violation. Figures from EPA’s ICIS-AIR download.