EPA Air · violations by county and year
High-priority air violations in Arapahoe County, Colorado, 2025
- 8Violations
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 Arapahoe 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 Arapahoe County facility page.
Arapahoe County, Colorado, 2025
- Inspections 53
- Stack tests 14
High-priority air violations in Arapahoe County, other years
High-priority air violations recorded in Arapahoe County, Colorado, 2025
| Date | Facility | Kind | Agency |
|---|---|---|---|
| 2025-05-05 | CRESTONE PEAK - TIBERIUS 4-64 8-7 NORTH | Earliest FRV determination | State |
| 2025-05-05 | CRESTONE PEAK - ARKANSAS 4-64 3-2 | Earliest FRV determination | State |
| 2025-04-22 | TYLER ROCKIES - PEORIA #36 & #56 | Earliest FRV determination | State |
| 2025-04-17 | THE MEDICAL CENTER OF AURORA - SOUTH FAC | Earliest FRV determination | State |
| 2025-04-06 | CRESTONE PEAK - GRANDE 4-65 20-19 NORTH | Earliest FRV determination | State |
| 2025-03-11 | CRESTONE PEAK - PROPERTY RESERVE 4-65 3- | Earliest FRV determination | State |
| 2025-03-11 | CRESTONE PEAK - ESTRN HILLS 4-65 17-18 S | Earliest FRV determination | State |
| 2025-02-17 | CRESTONE - STATE BIERSTADT 4-65 35-34 NO | Earliest FRV determination | State |
Dates as filed by the agency that recorded the violation. Figures from EPA’s ICIS-AIR download.