EPA Air · violations by state and year
High-priority air violations in Connecticut, 2025
- 23Violations
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. Every violation below was recorded against a source in Connecticut during 2025; one facility can appear more than once, because this is a record of what happened rather than a list of places.
Counties in Connecticut, 2025
Connecticut, other years
High-priority air violations recorded in Connecticut, 2025
| Date | Facility | Where | Kind | Agency |
|---|---|---|---|---|
| 2025-12-18 | NIKLYN CORPORATION — high-priority violation on file | NORTH HAVEN, New Haven, CT | Earliest FRV determination | State |
| 2025-12-15 | CONNECTICUT MUNICIPAL ELECTRIC ENERGY COOPERATIVE - WATER TREATMENT PLANT — high-priority violation on file | GROTON, New London, CT | Earliest FRV determination | State |
| 2025-11-04 | B & L FINISHING SHOP, INC — high-priority violation on file | BRISTOL, Hartford, CT | Earliest FRV determination | State |
| 2025-11-03 | ELECTRIC BOAT CORPORATION — high-priority violation on file | GROTON (HISTORICAL), New London, CT | Earliest FRV determination | State |
| 2025-10-30 | THE JACKSON LABORATORY FOR GENOMIC MEDICINE — high-priority violation on file | FARMINGTON, Hartford, CT | Earliest FRV determination | State |
| 2025-09-08 | STRATEGIC MATERIALS | SOUTH WINDSOR, Hartford, CT | Earliest FRV determination | State |
| 2025-09-02 | KIMBERLY-CLARK CORPORATION, NEW MILFORD MILL — high-priority violation on file | NEW MILFORD, Litchfield, CT | HPV day-zero determination | State |
| 2025-08-26 | DEVON POWER LLC | DEVON, New Haven, CT | Earliest FRV determination | State |
| 2025-07-15 | BRADLEY INTERNATIONAL AIRPORT / AMERESCO SELECT, INC. | WINDSOR LOCKS, Hartford, CT | Earliest FRV determination | State |
| 2025-06-11 | DUNN PAPER - EAST HARTFORD, LLC | EAST HARTFORD, Hartford, CT | Earliest FRV determination | State |
| 2025-05-13 | SUCCESS VILLAGE APARTMENTS, INC. | BRIDGEPORT, Fairfield, CT | Earliest FRV determination | State |
| 2025-05-13 | SAINT FRANCIS HOSPITAL & MEDICAL CENTER | HARTFORD, Hartford, CT | Earliest FRV determination | State |
| 2025-05-13 | SAINT FRANCIS - MOUNT SINAI REHABILITATION HOSPITAL | HARTFORD, Hartford, CT | Earliest FRV determination | State |
| 2025-04-01 | KINGSWOOD KITCHENS CO, INC | DANBURY, Fairfield, CT | Earliest FRV determination | State |
| 2025-03-31 | ROEHM AMERICA, LLC — high-priority violation on file | WALLINGFORD, New Haven, CT | HPV day-zero determination | State |
| 2025-03-19 | PALM ENERGY LLC | BRISTOL, Hartford, CT | Earliest FRV determination | State |
| 2025-02-21 | O & G INDUSTRIES - BRIDGEPORT PLANT — high-priority violation on file | BRIDGEPORT, Fairfield, CT | Earliest FRV determination | State |
| 2025-02-07 | AMETEK, SPECIALTY METAL PRODUCTS | WALLINGFORD, New Haven, CT | Earliest FRV determination | State |
| 2025-01-28 | SMM NEW ENGLAND CORPORATION, D/B/A SIMS METAL — high-priority violation on file | NORTH HAVEN, New Haven, CT | HPV day-zero determination | State |
| 2025-01-10 | ESPN, INC. | BRISTOL, Hartford, CT | Earliest FRV determination | State |
| 2025-01-08 | AMGRAPH PACKAGING, INC. | WATERTOWN, Litchfield, CT | Earliest FRV determination | State |
| 2025-01-08 | CURRENT, INC | EAST HAVEN, New Haven, CT | Earliest FRV determination | State |
| 2025-01-08 | BRADLEY INTERNATIONAL AIRPORT / AMERESCO SELECT, INC. | WINDSOR LOCKS, Hartford, CT | Earliest FRV determination | State |
Dates as filed by the agency that recorded the violation. Figures from EPA’s ICIS-AIR download.
What this page shows
This page covers Clean Air Act facilities in the EPA air register with violations in CT for 2025. It lists 23 violations recorded in 2025.