EPA Air · violations by county and year
High-priority air violations in Jefferson County, Colorado, 2025
- 4Violations
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 Jefferson 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 Jefferson County facility page.
Jefferson County, Colorado, 2025
- Inspections 31
- Stack tests 24
High-priority air violations in Jefferson County, other years
High-priority air violations recorded in Jefferson County, Colorado, 2025
| Date | Facility | Kind | Agency |
|---|---|---|---|
| 2025-11-25 | ARCOSA LWB LLC - LIGHTWEIGHT - BOULDER — high-priority violation on file | Earliest FRV determination | State |
| 2025-09-17 | ROCKY MOUNTAIN BOTTLE CO - 10619 W 50TH | Earliest FRV determination | State |
| 2025-07-21 | GENERAL SERVICES ADMINISTRATION | Earliest FRV determination | State |
| 2025-01-21 | BALL METAL BEVERAGE CONTAINER CORP | Earliest FRV determination | State |
Dates as filed by the agency that recorded the violation. Figures from EPA’s ICIS-AIR download.