EPA Air · violations by state and year
High-priority air violations in Connecticut, 2026
- 14Violations
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 2026; one facility can appear more than once, because this is a record of what happened rather than a list of places.
Counties in Connecticut, 2026
Connecticut, other years
High-priority air violations recorded in Connecticut, 2026
| Date | Facility | Where | Kind | Agency |
|---|---|---|---|---|
| 2026-06-30 | HARTFORD WATER POLLUTION CONTROL FACILITY — high-priority violation on file | HARTFORD, Hartford, CT | HPV day-zero determination | State |
| 2026-06-25 | COMPLETE ENVIRONMENTAL TESTING, INC. — high-priority violation on file | STRATFORD, Fairfield, CT | Earliest FRV determination | State |
| 2026-06-25 | O & G INDUSTRIES - STAMFORD PLANT — high-priority violation on file | STAMFORD, Fairfield, CT | Earliest FRV determination | State |
| 2026-06-02 | HARTFORD WATER POLLUTION CONTROL FACILITY — high-priority violation on file | HARTFORD, Hartford, CT | Earliest FRV determination | State |
| 2026-05-01 | KONGSBERG AUTOMOTIVE — high-priority violation on file | SUFFIELD, Hartford, CT | Earliest FRV determination | State |
| 2026-04-29 | HAMPFORD RESEARCH, INC. — high-priority violation on file | STRATFORD, Fairfield, CT | HPV day-zero determination | State |
| 2026-04-28 | REWORLD CONNECTICUT COMPANY — high-priority violation on file | PRESTON, New London, CT | Earliest FRV determination | State |
| 2026-03-05 | O & G INDUSTRIES - BRIDGEPORT PLANT — high-priority violation on file | BRIDGEPORT, Fairfield, CT | Earliest FRV determination | State |
| 2026-03-05 | O & G INDUSTRIES, INC. - WATERBURY PLANT — high-priority violation on file | WATERBURY, New Haven, CT | Earliest FRV determination | State |
| 2026-02-25 | AHLSTROM POWER WINDSOR LOCKS, LLC — high-priority violation on file | WINDSOR LOCKS, Hartford, CT | Earliest FRV determination | State |
| 2026-02-05 | CONNECTICUT MUNICIPAL ELECTRIC ENERGY COOPERATIVE - JEWETT CITY SITE — high-priority violation on file | GRISWOLD, New London, CT | Earliest FRV determination | State |
| 2026-02-04 | CONNECTICUT MUNICIPAL ELECTRIC ENERGY COOPERATIVE - BRIDGE STREET SITE — high-priority violation on file | GROTON, New London, CT | Earliest FRV determination | State |
| 2026-01-23 | UNITED ABRASIVES, INC — high-priority violation on file | WILLIMANTIC, Windham, CT | Earliest FRV determination | State |
| 2026-01-05 | PORCELEN SPECRAIL LTD CT LLC — high-priority violation on file | HAMDEN, New Haven, CT | Earliest FRV determination | State |
Dates as filed by the agency that recorded the violation. Figures from EPA’s ICIS-AIR download.