EPA Air · violations by county and year
High-priority air violations in Essex County, Massachusetts, 2025
- 3Violations
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 Essex County, Massachusetts 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 Essex County facility page.
Essex County, Massachusetts, 2025
- Inspections 136
- Stack tests 9
High-priority air violations in Essex County, other years
High-priority air violations recorded in Essex County, Massachusetts, 2025
| Date | Facility | Kind | Agency |
|---|---|---|---|
| 2025-11-24 | MICROSEMI FREQUENCY AND TIME DIVISION — high-priority violation on file | Earliest FRV determination | State |
| 2025-08-04 | AMAZON COM SERVICES LLC DTB9 | Earliest FRV determination | State |
| 2025-07-25 | MAGELLAN AEROSPACE HAVERHILL INC | Earliest FRV determination | State |
Dates as filed by the agency that recorded the violation. Figures from EPA’s ICIS-AIR download.