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.
What this page shows
This page covers Clean Air Act facilities in the EPA air register with violations in CT for 2026. It lists 14 violations recorded in 2026.