EPA Air · inspections by county and year
Air-emissions inspections in Middlesex County, Connecticut, 2025
- 4Inspections
A compliance evaluation is the on-site or file review a state, local or federal air agency records against a permitted source. Each row below is one inspection recorded against a source in Middlesex County, Connecticut 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 Middlesex County facility page.
Middlesex County, Connecticut, 2025
- Stack tests 18
Air-emissions inspections in Middlesex County, other years
Air-emissions inspections recorded in Middlesex County, Connecticut, 2025
| Date | Facility | Kind | Agency |
|---|---|---|---|
| 2025-12-16 | THE MATTABASSETT DISTRICT — high-priority violation on file | PCE Off-Site | U.S. EPA |
| 2025-11-04 | KLEEN ENERGY SYSTEMS, LLC | FCE On-Site | State |
| 2025-08-12 | THE MATTABASSETT DISTRICT — high-priority violation on file | FCE On-Site | State |
| 2025-07-22 | ALGONQUIN GAS TRANSMISSION, LLC - CROMWELL COMPRESSOR STATION | FCE On-Site | State |
Dates as filed by the agency that recorded the inspection. Figures from EPA’s ICIS-AIR download.