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.