EPA Air · violations by county and year
High-priority air violations in Mayes County, Oklahoma, 2025
- 6Violations
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 tier below it. Each row below is one violation recorded against a source in Mayes County, Oklahoma 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 Mayes County facility page.
Mayes County, Oklahoma, 2025
High-priority air violations in Mayes County, other years
High-priority air violations recorded in Mayes County, Oklahoma, 2025
| Date | Facility | Kind | Agency |
|---|---|---|---|
| 2025-12-18 | ASSOCIATED ELECTRIC COOPERATIVE INC / CHOUTEAU POWER PLANT — high-priority violation on file | Earliest FRV determination | State |
| 2025-12-02 | LSB CHEMICAL LLC / PRYOR CHEMICAL — high-priority violation on file | Earliest FRV determination | State |
| 2025-10-08 | PRYOR ASPHALT LLC / PRYOR ASPHALT — high-priority violation on file | Earliest FRV determination | State |
| 2025-05-08 | NORIT AMERICAS INC / PRYOR ACTIVATED CARBON PLANT | Earliest FRV determination | State |
| 2025-04-30 | GRAND RIVER DAM AUTHORITY / GRAND RIVER ENERGY CENTER — high-priority violation on file | HPV day-zero determination | State |
| 2025-01-29 | GRAND RIVER DAM AUTHORITY / GRAND RIVER ENERGY CENTER — 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.