EPA Air · stack tests by county and year
Air-emissions stack tests in New Haven County, Connecticut, 2025
- 63Stack tests
A stack test measures what a source actually emits, at the stack, against the limit in its permit. Each row below is one stack test recorded against a source in New Haven 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 New Haven County facility page.
New Haven County, Connecticut, 2025
Air-emissions stack tests in New Haven County, other years
Air-emissions stack tests recorded in New Haven County, Connecticut, 2025
| Date | Facility | Kind | Agency |
|---|---|---|---|
| 2025-12-11 | BUCKEYE PT TERMINALS, L.P. - WATERFRONT STREET TERMINAL | Pass | State |
| 2025-12-10 | COVIDIEN LP | Pass | State |
| 2025-12-09 | BUCKEYE PT TERMINALS, L.P. - FORBES AVENUE TERMINAL | Pass | State |
| 2025-11-05 | GLANBIA NUTRITIONALS (NA) INC. — high-priority violation on file | Pass | State |
| 2025-10-30 | GB II NEW HAVEN, LLC - NEW HAVEN HARBOR STATION | Pass | State |
| 2025-10-29 | GB II NEW HAVEN, LLC - NEW HAVEN HARBOR STATION | Pass | State |
| 2025-10-29 | GB II NEW HAVEN, LLC - NEW HAVEN HARBOR STATION | Pass | State |
| 2025-10-15 | WATERBURY GENERATION, LLC | Pass | State |
| 2025-09-25 | NAUGATUCK WPCA/POTW | Pass | State |
| 2025-09-24 | CITY OF WATERBURY WPCF | Pass | State |
| 2025-09-16 | EAST SHORE WATER POLL ABATEMENT FACILITY | Pass | State |
| 2025-09-11 | ROEHM AMERICA, LLC — high-priority violation on file | Pass | State |
| 2025-09-11 | SOLVENTUM PURIFICATION, INC | Pass | State |
| 2025-08-21 | DEVON POWER LLC | Pass | State |
| 2025-08-20 | DEVON POWER LLC | Pass | State |
| 2025-08-19 | DEVON POWER LLC | Pass | State |
| 2025-08-15 | DEVON POWER LLC | Pass | State |
| 2025-08-12 | APS TECHNOLOGY | Pass | State |
| 2025-08-01 | AMETEK, SPECIALTY METAL PRODUCTS | Pass | State |
| 2025-06-16 | YALE UNIVERSITY, SCHOOL OF MEDICINE PREMISES | Pass | State |
| 2025-06-13 | YALE UNIVERSITY, SCHOOL OF MEDICINE PREMISES | Pass | State |
| 2025-06-05 | TILCON CONNECTICUT - WALLINGFORD PLANT | Pass | State |
| 2025-05-30 | SHELL OIL PRODUCTS US | Pass | State |
| 2025-05-13 | DEVON POWER LLC | Pass | State |
| 2025-05-09 | DEVON POWER LLC | Pass | State |
| 2025-05-09 | CONNECTICUT JET POWER - BRANFORD STATION | Pass | State |
| 2025-05-09 | CONNECTICUT JET POWER - BRANFORD STATION | Pass | State |
| 2025-05-08 | DEVON POWER LLC | Pass | State |
| 2025-05-07 | DEVON POWER LLC | Pass | State |
| 2025-05-06 | DEVON POWER LLC | Pass | State |
| 2025-05-06 | DEVON POWER LLC | Pass | State |
| 2025-05-02 | DEVON POWER LLC | Pass | State |
| 2025-05-02 | DEVON POWER LLC | Pass | State |
| 2025-05-01 | DEVON POWER LLC | Pass | State |
| 2025-05-01 | DEVON POWER LLC | Pass | State |
| 2025-04-30 | YALE UNIVERSITY, SCHOOL OF MEDICINE PREMISES | Pass | State |
| 2025-04-02 | LUVATA WATERBURY, INC. | Pass | State |
| 2025-04-01 | MEC DBA EYELET CRAFTERS, INC | Pass | State |
| 2025-03-27 | YALE UNIVERSITY / CENTRAL POWER PLANT | Pass | State |
| 2025-03-27 | YALE UNIVERSITY / CENTRAL POWER PLANT | Pass | State |
| 2025-03-26 | YALE UNIVERSITY / CENTRAL POWER PLANT | Pass | State |
| 2025-03-21 | GB II NEW HAVEN, LLC - NEW HAVEN HARBOR STATION | Pass | State |
| 2025-03-21 | GB II NEW HAVEN, LLC - NEW HAVEN HARBOR STATION | Pass | State |
| 2025-03-19 | YALE UNIVERSITY, SCHOOL OF MEDICINE PREMISES | Pass | State |
| 2025-03-19 | YALE UNIVERSITY, SCHOOL OF MEDICINE PREMISES | Pass | State |
| 2025-03-13 | YALE UNIVERSITY, SCHOOL OF MEDICINE PREMISES | Pass | State |
| 2025-03-13 | WALLINGFORD ENERGY, LLC | Pass | State |
| 2025-03-12 | YALE UNIVERSITY, SCHOOL OF MEDICINE PREMISES | Pass | State |
| 2025-03-12 | YALE UNIVERSITY, SCHOOL OF MEDICINE PREMISES | Pass | State |
| 2025-02-19 | NAUGATUCK WPCA/POTW | Pass | State |
| 2025-02-13 | YALE UNIVERSITY, SCHOOL OF MEDICINE PREMISES | Pass | State |
| 2025-02-13 | YALE UNIVERSITY, SCHOOL OF MEDICINE PREMISES | Pass | State |
| 2025-02-11 | YALE UNIVERSITY, SCHOOL OF MEDICINE PREMISES | Pass | State |
| 2025-02-11 | YALE UNIVERSITY, SCHOOL OF MEDICINE PREMISES | Pass | State |
| 2025-02-04 | ALGONQUIN GAS TRANSMISSION LLC - OXFORD COMPRESSOR STATION | Pass | State |
| 2025-02-04 | ALGONQUIN GAS TRANSMISSION LLC - OXFORD COMPRESSOR STATION | Pass | State |
| 2025-01-23 | ROEHM AMERICA, LLC — high-priority violation on file | Fail | State |
| 2025-01-16 | IROQUOIS - MILFORD COMPRESSOR STATION | Pass | State |
| 2025-01-16 | IROQUOIS - MILFORD COMPRESSOR STATION | Pass | State |
| 2025-01-15 | YALE UNIVERSITY / CENTRAL POWER PLANT | Pass | State |
| 2025-01-15 | YALE UNIVERSITY / CENTRAL POWER PLANT | Pass | State |
| 2025-01-15 | YALE UNIVERSITY / CENTRAL POWER PLANT | Pass | State |
| 2025-01-06 | YALE UNIVERSITY WEST CAMPUS | Pass | State |
Dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.