EPA Air · stack tests by state and year
Air-emissions stack tests in Connecticut, 2021
- 99Stack tests
A stack test measures what a source actually emits, at the stack, against the limit in its permit. Every stack test below was recorded against a source in Connecticut during 2021; one facility can appear more than once, because this is a record of what happened rather than a list of places.
Counties in Connecticut, 2021
- New Haven County 22
- Middlesex County 16
- Hartford County 16
- New London County 14
- Fairfield County 14
- Undetermined County 7
- Windham County 5
- Litchfield County 5
Connecticut, other years
Air-emissions stack tests recorded in Connecticut, 2021
| Date | Facility | Where | Kind | Agency |
|---|---|---|---|---|
| 2021-12-21 | KIMBERLY-CLARK CORPORATION, NEW MILFORD MILL — high-priority violation on file | NEW MILFORD, Litchfield, CT | Pass | State |
| 2021-12-14 | PHOENIX SOIL, A CLEAN EARTH CO | PLAINVILLE, Hartford, CT | Fail | State |
| 2021-12-14 | HARTFORD WATER POLLUTION CONTROL FACILITY — high-priority violation on file | HARTFORD, Hartford, CT | Pass | U.S. EPA |
| 2021-12-13 | COVIDIEN LP | NORTH HAVEN, New Haven, CT | Pass | State |
| 2021-12-13 | COVIDIEN LP | NORTH HAVEN, New Haven, CT | Pass | State |
| 2021-12-02 | URETEK, INCORPORATED | NEW HAVEN, New Haven, CT | Fail | U.S. EPA |
| 2021-11-24 | PLAINFIELD RENEWABLE ENERGY LLC | PLAINFIELD, Litchfield, CT | Fail | State |
| 2021-11-19 | EAST SHORE WATER POLL ABATEMENT FACILITY | NEW HAVEN, New Haven, CT | Pass | State |
| 2021-11-17 | ALGONQUIN GAS TRANSMISSION LLC - OXFORD COMPRESSOR STATION | OXFORD, New Haven, CT | Pass | State |
| 2021-11-17 | SYNAGRO RESIDUALS MANAGEMENT CO | WATERBURY, New Haven, CT | Pass | State |
| 2021-11-16 | ALGONQUIN GAS TRANSMISSION, LLC - CROMWELL COMPRESSOR STATION | CROMWELL, Middlesex, CT | Pass | State |
| 2021-11-16 | ALGONQUIN GAS TRANSMISSION, LLC - CROMWELL COMPRESSOR STATION | CROMWELL, Middlesex, CT | Pass | State |
| 2021-11-16 | ALGONQUIN GAS TRANSMISSION, LLC - CROMWELL COMPRESSOR STATION | CROMWELL, Middlesex, CT | Pass | State |
| 2021-11-10 | STAMFORD WPCA | STAMFORD, Fairfield, CT | Pass | State |
| 2021-11-10 | PFIZER GLOBAL MANUFACTURING | GROTON (HISTORICAL), New London, CT | Pass | State |
| 2021-10-22 | NAUGATUCK WPCA/POTW | NAUGATUCK (HISTORICAL), New Haven, CT | Fail | State |
| 2021-10-20 | CITY OF NORWALK 3RD TAXING DISTRICT | CONNECTICUT, Undetermined, CT | Pass | State |
| 2021-10-20 | CITY OF NORWALK 3RD TAXING DISTRICT | CONNECTICUT, Undetermined, CT | Pass | State |
| 2021-10-20 | CITY OF NORWALK 3RD TAXING DISTRICT | CONNECTICUT, Undetermined, CT | Pass | State |
| 2021-10-14 | WESLEYAN UNIVERSITY - BOILER PLANT | MIDDLETOWN, Middlesex, CT | Pass | State |
| 2021-10-06 | ALGONQUIN GAS TRANSMISSION, LLC - CROMWELL COMPRESSOR STATION | CROMWELL, Middlesex, CT | Pass | State |
| 2021-09-22 | YALE UNIVERSITY, SCHOOL OF MEDICINE PREMISES | NEW HAVEN, New Haven, CT | Pass | State |
| 2021-09-22 | YALE UNIVERSITY, SCHOOL OF MEDICINE PREMISES | NEW HAVEN, New Haven, CT | Pass | State |
| 2021-09-22 | YALE UNIVERSITY, SCHOOL OF MEDICINE PREMISES | NEW HAVEN, New Haven, CT | Pass | State |
| 2021-09-22 | CONNECTICUT MUNICIPAL ELECTRIC ENERGY COOPERATIVE - JEWETT CITY SITE — high-priority violation on file | GRISWOLD, New London, CT | Pass | State |
| 2021-09-21 | CONNECTICUT MUNICIPAL ELECTRIC ENERGY COOPERATIVE - LEBANON PINES SITE | LEBANON, New London, CT | Pass | State |
| 2021-09-16 | YALE UNIVERSITY / CENTRAL POWER PLANT | NEW HAVEN, New Haven, CT | Pass | State |
| 2021-09-14 | YALE UNIVERSITY / CENTRAL POWER PLANT | NEW HAVEN, New Haven, CT | Pass | State |
| 2021-09-10 | LEGERE GROUP, LTD | AVON, Hartford, CT | Pass | State |
| 2021-09-01 | PLAINFIELD RENEWABLE ENERGY LLC | PLAINFIELD, Litchfield, CT | Fail | State |
| 2021-08-31 | ALGONQUIN GAS TRANSMISSION, LLC - CHAPLIN COMPRESSOR STATION | CHAPLIN, Windham, CT | Pass | State |
| 2021-08-19 | REWORLD CONNECTICUT COMPANY — high-priority violation on file | PRESTON, New London, CT | Pass | State |
| 2021-08-19 | REWORLD CONNECTICUT COMPANY — high-priority violation on file | PRESTON, New London, CT | Pass | State |
| 2021-08-05 | CONNECTICUT JET POWER - BRANFORD STATION | BRANFORD, New Haven, CT | Pass | State |
| 2021-08-03 | MIDDLETOWN POWER LLC | MIDDLETOWN, Middlesex, CT | Pass | State |
| 2021-08-02 | O&G INDUSTRIES, INC. | NEW MILFORD, Litchfield, CT | Pass | State |
| 2021-08-02 | O&G INDUSTRIES, INC. - SOUTHBURY QUARRY | SOUTHBURY, New Haven, CT | Pass | State |
| 2021-07-08 | U S NAVAL SUBMARINE BASE — high-priority violation on file | GROTON (HISTORICAL), New London, CT | Pass | State |
| 2021-07-08 | U S NAVAL SUBMARINE BASE — high-priority violation on file | GROTON (HISTORICAL), New London, CT | Pass | State |
| 2021-06-18 | BRIDGEPORT ENERGY LLC | BRIDGEPORT, Fairfield, CT | Pass | State |
| 2021-06-18 | REWORLD BRISTOL, INC. | BRISTOL, Hartford, CT | Pass | State |
| 2021-06-18 | REWORLD BRISTOL, INC. | BRISTOL, Hartford, CT | Pass | State |
| 2021-06-16 | BRIDGEPORT ENERGY LLC | BRIDGEPORT, Fairfield, CT | Pass | State |
| 2021-06-10 | ITW GRAPHICS | MANCHESTER, Hartford, CT | Pass | State |
| 2021-06-10 | GLOBAL NEW HAVEN TERMINALS, LLC — high-priority violation on file | NEW HAVEN, New Haven, CT | Pass | State |
| 2021-06-09 | BIMBO BAKERIES USA, INC. | GREENWICH, Fairfield, CT | Pass | State |
| 2021-06-03 | STAMFORD WPCA | STAMFORD, Fairfield, CT | Fail | State |
| 2021-06-03 | ALLIED PRINTING SERVICES, INC | MANCHESTER, Hartford, CT | Pass | State |
| 2021-05-21 | PFIZER GLOBAL MANUFACTURING | GROTON (HISTORICAL), New London, CT | Pass | State |
| 2021-05-19 | MIDDLETOWN POWER LLC | MIDDLETOWN, Middlesex, CT | Pass | State |
| 2021-05-12 | BIMBO BAKERIES USA, INC. | GREENWICH, Fairfield, CT | Pass | State |
| 2021-05-12 | ROEHM AMERICA, LLC — high-priority violation on file | WALLINGFORD, New Haven, CT | Pass | State |
| 2021-05-06 | WHEELABRATOR LISBON INC. | CONNECTICUT, Undetermined, CT | Pass | State |
| 2021-05-06 | WHEELABRATOR LISBON INC. | CONNECTICUT, Undetermined, CT | Pass | State |
| 2021-05-04 | APS TECHNOLOGY | WALLINGFORD, New Haven, CT | Pass | State |
| 2021-04-29 | WHEELABRATOR BRIDGEPORT LP | BRIDGEPORT, Fairfield, CT | Pass | State |
| 2021-04-29 | ALGONQUIN GAS TRANSMISSION, LLC - CROMWELL COMPRESSOR STATION | CROMWELL, Middlesex, CT | Pass | State |
| 2021-04-28 | WHEELABRATOR BRIDGEPORT LP | BRIDGEPORT, Fairfield, CT | Pass | State |
| 2021-04-27 | WHEELABRATOR BRIDGEPORT LP | BRIDGEPORT, Fairfield, CT | Pass | State |
| 2021-04-27 | PEPPERIDGE FARM, INC | BLOOMFIELD, Hartford, CT | Pass | State |
| 2021-04-25 | MIDDLETOWN POWER LLC | MIDDLETOWN, Middlesex, CT | Pass | State |
| 2021-04-20 | MIDDLETOWN POWER LLC | MIDDLETOWN, Middlesex, CT | Pass | State |
| 2021-04-12 | MIDDLETOWN POWER LLC | MIDDLETOWN, Middlesex, CT | Pass | State |
| 2021-04-09 | BIC CONSUMER PRODUCTS MANUFACTURING CO | MILFORD, New Haven, CT | Pass | State |
| 2021-04-08 | ELECTRIC BOAT CORPORATION — high-priority violation on file | GROTON (HISTORICAL), New London, CT | Pass | State |
| 2021-04-08 | ELECTRIC BOAT CORPORATION — high-priority violation on file | GROTON (HISTORICAL), New London, CT | Pass | State |
| 2021-04-07 | ELECTRIC BOAT CORPORATION — high-priority violation on file | GROTON (HISTORICAL), New London, CT | Pass | State |
| 2021-04-07 | ELECTRIC BOAT CORPORATION — high-priority violation on file | GROTON (HISTORICAL), New London, CT | Pass | State |
| 2021-04-01 | KLEEN ENERGY SYSTEMS, LLC | MIDDLETOWN, Middlesex, CT | Pass | State |
| 2021-03-25 | ALGONQUIN GAS TRANSMISSION, LLC - CHAPLIN COMPRESSOR STATION | CHAPLIN, Windham, CT | Pass | State |
| 2021-03-24 | ALGONQUIN GAS TRANSMISSION, LLC - CHAPLIN COMPRESSOR STATION | CHAPLIN, Windham, CT | Pass | State |
| 2021-03-23 | BRADLEY INTERNATIONAL AIRPORT / AMERESCO SELECT, INC. | WINDSOR LOCKS, Hartford, CT | Pass | State |
| 2021-03-23 | ALGONQUIN GAS TRANSMISSION, LLC - CHAPLIN COMPRESSOR STATION | CHAPLIN, Windham, CT | Pass | State |
| 2021-03-23 | ALGONQUIN GAS TRANSMISSION, LLC - CHAPLIN COMPRESSOR STATION | CHAPLIN, Windham, CT | Pass | State |
| 2021-03-22 | BRADLEY INTERNATIONAL AIRPORT / AMERESCO SELECT, INC. | WINDSOR LOCKS, Hartford, CT | Pass | State |
| 2021-03-17 | SPARTECH, L.L.C. | STAMFORD, Fairfield, CT | Pass | State |
| 2021-03-16 | PLAINFIELD RENEWABLE ENERGY LLC | PLAINFIELD, Litchfield, CT | Pass | State |
| 2021-03-09 | BIMBO BAKERIES USA, INC. | GREENWICH, Fairfield, CT | Fail | State |
| 2021-03-09 | PRATT & WHITNEY, DIVISION OF RTX CORPORATION | MIDDLETOWN, Middlesex, CT | Pass | State |
| 2021-02-24 | KLEEN ENERGY SYSTEMS, LLC | MIDDLETOWN, Middlesex, CT | Pass | State |
| 2021-02-24 | KLEEN ENERGY SYSTEMS, LLC | MIDDLETOWN, Middlesex, CT | Pass | State |
| 2021-02-18 | IROQUOIS - MILFORD COMPRESSOR STATION | MILFORD, New Haven, CT | Pass | State |
| 2021-02-18 | IROQUOIS - MILFORD COMPRESSOR STATION | MILFORD, New Haven, CT | Pass | State |
| 2021-02-17 | WESLEYAN UNIVERSITY - BOILER PLANT | MIDDLETOWN, Middlesex, CT | Pass | State |
| 2021-02-16 | BRADLEY INTERNATIONAL AIRPORT / AMERESCO SELECT, INC. | WINDSOR LOCKS, Hartford, CT | Pass | State |
| 2021-02-15 | BRADLEY INTERNATIONAL AIRPORT / AMERESCO SELECT, INC. | WINDSOR LOCKS, Hartford, CT | Pass | State |
| 2021-02-11 | FIRSTLIGHT HYDRO TUNNEL STATION | PRESTON, TOWN OF, New London, CT | Pass | State |
| 2021-02-07 | MONTVILLE POWER LLC | CONNECTICUT, Undetermined, CT | Pass | State |
| 2021-02-07 | MONTVILLE POWER LLC | CONNECTICUT, Undetermined, CT | Pass | State |
| 2021-02-04 | HAMILTON SUNDSTRAND CORPORATION - COLLINS AEROSPACE | WINDSOR LOCKS, Hartford, CT | Pass | State |
| 2021-02-04 | HARTFORD WATER POLLUTION CONTROL FACILITY — high-priority violation on file | HARTFORD, Hartford, CT | Pass | State |
| 2021-01-28 | HARTFORD WATER POLLUTION CONTROL FACILITY — high-priority violation on file | HARTFORD, Hartford, CT | Pass | State |
| 2021-01-26 | HARTFORD WATER POLLUTION CONTROL FACILITY — high-priority violation on file | HARTFORD, Hartford, CT | Pass | State |
| 2021-01-22 | BUCKEYE PT TERMINALS, L.P. - FORBES AVENUE TERMINAL | NEW HAVEN, New Haven, CT | Pass | State |
| 2021-01-21 | BUCKEYE PT TERMINALS, L.P. - WATERFRONT STREET TERMINAL | NEW HAVEN, New Haven, CT | Pass | State |
| 2021-01-13 | RAND-WHITNEY CONTAINER BOARD LP | MONTVILLE, TOWN OF, New London, CT | Pass | State |
| 2021-01-05 | BOEHRINGER INGELHEIM PHARMACEUTICALS INC | RIDGEFIELD, Fairfield, CT | Pass | State |
| 2021-01-05 | BOEHRINGER INGELHEIM PHARMACEUTICALS INC | RIDGEFIELD, Fairfield, CT | Pass | State |
| 2021-01-02 | SIKORSKY AIRCRAFT - MAIN PLANT | STRATFORD, Fairfield, CT | Pass | State |
Dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.