EPA Air · stack tests by state and year

Air-emissions stack tests in Connecticut, 2019

124Stack 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 2019; one facility can appear more than once, because this is a record of what happened rather than a list of places.

Counties in Connecticut, 2019

Connecticut, other years

Air-emissions stack tests recorded in Connecticut, 2019

Date	Facility	Where	Kind	Agency
2019-12-19	PHOENIX SOIL, A CLEAN EARTH CO	PLAINVILLE, Hartford, CT	Fail	State
2019-12-13	GROWER DIRECT, INC	SOMERS, Tolland, CT	Pass	State
2019-12-12	ALGONQUIN GAS TRANSMISSION, LLC - CROMWELL COMPRESSOR STATION	CROMWELL, Middlesex, CT	Pass	State
2019-12-11	ALGONQUIN GAS TRANSMISSION, LLC - CROMWELL COMPRESSOR STATION	CROMWELL, Middlesex, CT	Pass	State
2019-12-11	NORWICH PUBLIC UTILITIES / ELECTRIC	NORWICH, New London, CT	Pass	State
2019-12-11	GROWER DIRECT, INC	SOMERS, Tolland, CT	Pass	State
2019-12-10	KIMBERLY-CLARK CORPORATION, NEW MILFORD MILL — high-priority violation on file	NEW MILFORD, Litchfield, CT	Pass	State
2019-12-09	ALGONQUIN GAS TRANSMISSION, LLC - CROMWELL COMPRESSOR STATION	CROMWELL, Middlesex, CT	Pass	State
2019-12-05	WESLEYAN UNIVERSITY - BOILER PLANT	MIDDLETOWN, Middlesex, CT	Pass	State
2019-12-04	HAMILTON SUNDSTRAND CORPORATION - COLLINS AEROSPACE	WINDSOR LOCKS, Hartford, CT	Pass	State
2019-11-26	SPARTECH, L.L.C.	STAMFORD, Fairfield, CT	Pass	State
2019-11-21	ALGONQUIN GAS TRANSMISSION, LLC - CHAPLIN COMPRESSOR STATION	CHAPLIN, Windham, CT	Pass	State
2019-11-20	GB II CONNECTICUT, LLC - BRIDGEPORT HARBOR STATION	BRIDGEPORT, Fairfield, CT	Pass	State
2019-11-20	ALGONQUIN GAS TRANSMISSION, LLC - CHAPLIN COMPRESSOR STATION	CHAPLIN, Windham, CT	Pass	State
2019-11-19	ALGONQUIN GAS TRANSMISSION LLC - OXFORD COMPRESSOR STATION	OXFORD, New Haven, CT	Pass	State
2019-11-19	ALGONQUIN GAS TRANSMISSION, LLC - CHAPLIN COMPRESSOR STATION	CHAPLIN, Windham, CT	Pass	State
2019-11-18	COVIDIEN LP	NORTH HAVEN, New Haven, CT	Pass	State
2019-11-14	SYNAGRO RESIDUALS MANAGEMENT CO	WATERBURY, New Haven, CT	Pass	State
2019-10-30	HARTFORD WATER POLLUTION CONTROL FACILITY — high-priority violation on file	HARTFORD, Hartford, CT	Pass	State
2019-10-30	HARTFORD WATER POLLUTION CONTROL FACILITY — high-priority violation on file	HARTFORD, Hartford, CT	Pass	U.S. EPA
2019-10-29	HARTFORD WATER POLLUTION CONTROL FACILITY — high-priority violation on file	HARTFORD, Hartford, CT	Pass	State
2019-10-28	HARTFORD WATER POLLUTION CONTROL FACILITY — high-priority violation on file	HARTFORD, Hartford, CT	Pass	State
2019-10-25	HARTFORD WATER POLLUTION CONTROL FACILITY — high-priority violation on file	HARTFORD, Hartford, CT	Pass	State
2019-10-23	HARTFORD WATER POLLUTION CONTROL FACILITY — high-priority violation on file	HARTFORD, Hartford, CT	Pass	State
2019-10-22	HARTFORD WATER POLLUTION CONTROL FACILITY — high-priority violation on file	HARTFORD, Hartford, CT	Pass	State
2019-10-14	ESPN, INC.	BRISTOL, Hartford, CT	Pass	State
2019-10-11	ESPN, INC.	BRISTOL, Hartford, CT	Pass	State
2019-10-10	ESPN, INC.	BRISTOL, Hartford, CT	Pass	State
2019-10-10	ESPN, INC.	BRISTOL, Hartford, CT	Pass	State
2019-10-09	ESPN, INC.	BRISTOL, Hartford, CT	Pass	State
2019-10-09	ESPN, INC.	BRISTOL, Hartford, CT	Pass	State
2019-10-08	ESPN, INC.	BRISTOL, Hartford, CT	Pass	State
2019-10-05	WATERBURY GENERATION, LLC	WATERBURY, New Haven, CT	Pass	State
2019-10-04	PFIZER GLOBAL MANUFACTURING	GROTON (HISTORICAL), New London, CT	Pass	State
2019-10-03	GB II CONNECTICUT, LLC - BRIDGEPORT HARBOR STATION	BRIDGEPORT, Fairfield, CT	Pass	State
2019-09-26	NAUGATUCK WPCA/POTW	NAUGATUCK (HISTORICAL), New Haven, CT	Pending	U.S. EPA
2019-09-26	NEW HAVEN /DPW (LANDFILL)	NEW HAVEN, New Haven, CT	Pass	State
2019-09-24	NAUGATUCK WPCA/POTW	NAUGATUCK (HISTORICAL), New Haven, CT	Pass	State
2019-09-18	THE JACKSON LABORATORY FOR GENOMIC MEDICINE — high-priority violation on file	FARMINGTON, Hartford, CT	Pass	State
2019-09-18	ORAFOL AMERICAS, INC.	AVON, Hartford, CT	Pass	State
2019-09-11	H & T WATERBURY, INC.	WATERBURY, New Haven, CT	Pass	State
2019-09-10	COVIDIEN LP	NORTH HAVEN, New Haven, CT	Pass	State
2019-09-10	COVIDIEN LP	NORTH HAVEN, New Haven, CT	Pass	State
2019-09-05	MANCHESTER LANDFILL	MANCHESTER, Hartford, CT	Pass	State
2019-09-05	CONNECTICUT MUNICIPAL ELECTRIC ENERGY COOPERATIVE - JEWETT CITY SITE — high-priority violation on file	GRISWOLD, New London, CT	Pass	State
2019-09-04	CONNECTICUT MUNICIPAL ELECTRIC ENERGY COOPERATIVE - JEWETT CITY SITE — high-priority violation on file	GRISWOLD, New London, CT	Pass	State
2019-09-04	CONNECTICUT MUNICIPAL ELECTRIC ENERGY COOPERATIVE - JEWETT CITY SITE — high-priority violation on file	GRISWOLD, New London, CT	Pass	State
2019-09-04	ALGONQUIN GAS TRANSMISSION, LLC - CHAPLIN COMPRESSOR STATION	CHAPLIN, Windham, CT	Pass	State
2019-09-03	CONNECTICUT MUNICIPAL ELECTRIC ENERGY COOPERATIVE - JEWETT CITY SITE — high-priority violation on file	GRISWOLD, New London, CT	Pass	State
2019-08-30	YALE UNIVERSITY / CENTRAL POWER PLANT	NEW HAVEN, New Haven, CT	Pass	State
2019-08-29	YALE UNIVERSITY / CENTRAL POWER PLANT	NEW HAVEN, New Haven, CT	Pass	State
2019-08-29	YALE UNIVERSITY / CENTRAL POWER PLANT	NEW HAVEN, New Haven, CT	Pass	State
2019-08-23	U S NAVAL SUBMARINE BASE — high-priority violation on file	GROTON (HISTORICAL), New London, CT	Pass	State
2019-08-23	U S NAVAL SUBMARINE BASE — high-priority violation on file	GROTON (HISTORICAL), New London, CT	Pass	State
2019-08-20	BOEHRINGER INGELHEIM PHARMACEUTICALS INC	RIDGEFIELD, Fairfield, CT	Pass	State
2019-08-15	MIDDLESEX HOSPITAL	MIDDLETOWN, Middlesex, CT	Pass	State
2019-08-14	EAST SHORE WATER POLL ABATEMENT FACILITY	NEW HAVEN, New Haven, CT	Pass	State
2019-08-07	NORWICH / WPCF	NORWICH, New London, CT	Pass	State
2019-07-16	SPRAGUE OPERATING RESOURCES, LLC	BRIDGEPORT, Fairfield, CT	Pass	State
2019-07-11	UNIVERSITY OF CONNECTICUT - STAMFORD	STAMFORD, Fairfield, CT	Pass	State
2019-06-27	YALE UNIVERSITY, SCHOOL OF MEDICINE PREMISES	NEW HAVEN, New Haven, CT	Pass	State
2019-06-26	TILCON CONNECTICUT - MANCHESTER PLANT	MANCHESTER, Hartford, CT	Pass	State
2019-06-26	YALE UNIVERSITY, SCHOOL OF MEDICINE PREMISES	NEW HAVEN, New Haven, CT	Pass	State
2019-06-25	ITW GRAPHICS	MANCHESTER, Hartford, CT	Pass	State
2019-06-25	SCAPA TAPE NORTH AMERICA	WINDSOR, Hartford, CT	Pass	State
2019-06-25	YALE UNIVERSITY, SCHOOL OF MEDICINE PREMISES	NEW HAVEN, New Haven, CT	Pass	State
2019-06-20	TILCON CONNECTICUT - DANBURY PLANT	DANBURY, Fairfield, CT	Pass	State
2019-06-20	MILFORD POWER COMPANY, LLC	MILFORD, New Haven, CT	Pass	State
2019-06-19	MILFORD POWER COMPANY, LLC	MILFORD, New Haven, CT	Pass	State
2019-06-17	O & G INDUSTRIES, INC. - WATERBURY PLANT — high-priority violation on file	WATERBURY, New Haven, CT	Pass	State
2019-06-12	GALASSO MATERIALS, LLC	EAST GRANBY, Hartford, CT	Pass	State
2019-06-05	ALGONQUIN GAS TRANSMISSION, LLC - CROMWELL COMPRESSOR STATION	CROMWELL, Middlesex, CT	Pass	State
2019-05-24	GB II CONNECTICUT, LLC - BRIDGEPORT HARBOR STATION	BRIDGEPORT, Fairfield, CT	Pass	State
2019-05-22	KIMBERLY-CLARK CORPORATION, NEW MILFORD MILL — high-priority violation on file	NEW MILFORD, Litchfield, CT	Pass	State
2019-05-15	ROEHM AMERICA, LLC — high-priority violation on file	WALLINGFORD, New Haven, CT	Pass	State
2019-05-15	REWORLD CONNECTICUT COMPANY — high-priority violation on file	PRESTON, New London, CT	Pass	State
2019-05-14	REWORLD CONNECTICUT COMPANY — high-priority violation on file	PRESTON, New London, CT	Pass	State
2019-05-14	WHEELABRATOR LISBON INC.	CONNECTICUT, Undetermined, CT	Pass	State
2019-05-14	WHEELABRATOR LISBON INC.	CONNECTICUT, Undetermined, CT	Pass	State
2019-05-09	WHEELABRATOR BRIDGEPORT LP	BRIDGEPORT, Fairfield, CT	Pass	State
2019-05-09	AMERICAN GREENFUELS, LLC	NEW HAVEN, New Haven, CT	Pending	U.S. EPA
2019-05-09	THE GILMAN BROTHERS COMPANY	GILMAN, New London, CT	Incomplete	State
2019-05-08	WHEELABRATOR BRIDGEPORT LP	BRIDGEPORT, Fairfield, CT	Pass	State
2019-05-08	BRADLEY INTERNATIONAL AIRPORT / AMERESCO SELECT, INC.	WINDSOR LOCKS, Hartford, CT	Pass	State
2019-05-07	WHEELABRATOR BRIDGEPORT LP	BRIDGEPORT, Fairfield, CT	Pass	State
2019-04-29	THE MATTABASSETT DISTRICT — high-priority violation on file	CROMWELL, Middlesex, CT	Pass	State
2019-04-25	GROWER DIRECT, INC	SOMERS, Tolland, CT	Fail	State
2019-04-23	U S NAVAL SUBMARINE BASE — high-priority violation on file	GROTON (HISTORICAL), New London, CT	Pass	State
2019-04-05	AHLSTROM POWER WINDSOR LOCKS, LLC — high-priority violation on file	WINDSOR LOCKS, Hartford, CT	Pass	State
2019-04-02	REWORLD BRISTOL, INC.	BRISTOL, Hartford, CT	Pass	State
2019-04-02	REWORLD BRISTOL, INC.	BRISTOL, Hartford, CT	Pass	State
2019-03-21	YALE UNIVERSITY, SCHOOL OF MEDICINE PREMISES	NEW HAVEN, New Haven, CT	Pass	State
2019-03-20	ELECTRIC BOAT CORPORATION — high-priority violation on file	GROTON (HISTORICAL), New London, CT	Pass	State
2019-03-20	COHERENT INC.	EAST GRANBY, Hartford, CT	Pass	State
2019-03-19	VA CONNECTICUT HEALTHCARE SYSTEM	WEST HAVEN, New Haven, CT	Pass	State
2019-03-13	BRADLEY INTERNATIONAL AIRPORT / AMERESCO SELECT, INC.	WINDSOR LOCKS, Hartford, CT	Pass	State
2019-03-13	BRADLEY INTERNATIONAL AIRPORT / AMERESCO SELECT, INC.	WINDSOR LOCKS, Hartford, CT	Pass	State
2019-03-12	AHLSTROM POWER WINDSOR LOCKS, LLC — high-priority violation on file	WINDSOR LOCKS, Hartford, CT	Pass	State
2019-03-12	BRADLEY INTERNATIONAL AIRPORT / AMERESCO SELECT, INC.	WINDSOR LOCKS, Hartford, CT	Pass	State
2019-03-12	PRATT & WHITNEY, DIVISION OF RTX CORPORATION	MIDDLETOWN, Middlesex, CT	Pass	State

Dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.