EPA Air · stack tests by state and year

Air-emissions stack tests in Connecticut, 2020

110Stack 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 2020; one facility can appear more than once, because this is a record of what happened rather than a list of places.

Counties in Connecticut, 2020

Connecticut, other years

Air-emissions stack tests recorded in Connecticut, 2020

Date	Facility	Where	Kind	Agency
2020-12-22	HARTFORD STEAM - 60 COLUMBUS	HARTFORD, Hartford, CT	Pass	State
2020-12-20	UNIVERSITY OF CONNECTICUT STORRS CAMPUS	MANSFIELD DEPOT, Tolland, CT	Pass	State
2020-12-15	MANCHESTER LANDFILL	MANCHESTER, Hartford, CT	Pass	State
2020-12-14	COVIDIEN LP	NORTH HAVEN, New Haven, CT	Pass	State
2020-12-14	UNIVERSITY OF CONNECTICUT STORRS CAMPUS	MANSFIELD DEPOT, Tolland, CT	Pass	State
2020-12-11	UNIVERSITY OF CONNECTICUT STORRS CAMPUS	MANSFIELD DEPOT, Tolland, CT	Pass	State
2020-12-09	SIKORSKY AIRCRAFT - MAIN PLANT	STRATFORD, Fairfield, CT	Pass	State
2020-12-04	DEVON POWER LLC	DEVON, New Haven, CT	Pass	State
2020-12-03	DEVON POWER LLC	DEVON, New Haven, CT	Pass	State
2020-12-02	DEVON POWER LLC	DEVON, New Haven, CT	Pass	State
2020-12-02	PHOENIX SOIL, LLC	WATERBURY, New Haven, CT	Pass	State
2020-12-01	DEVON POWER LLC	DEVON, New Haven, CT	Pass	State
2020-11-30	DEVON POWER LLC	DEVON, New Haven, CT	Pass	State
2020-11-19	EAST SHORE WATER POLL ABATEMENT FACILITY	NEW HAVEN, New Haven, CT	Pass	State
2020-11-13	WATERSIDE POWER	STAMFORD, Fairfield, CT	Pass	State
2020-11-12	HOLCIM SOLUTIONS AND PRODUCTS US, LLC	BRISTOL, Hartford, CT	Pass	State
2020-11-10	SYNAGRO RESIDUALS MANAGEMENT CO	WATERBURY, New Haven, CT	Pass	State
2020-11-03	ALGONQUIN GAS TRANSMISSION LLC - OXFORD COMPRESSOR STATION	OXFORD, New Haven, CT	Pass	State
2020-11-03	ALGONQUIN GAS TRANSMISSION LLC - OXFORD COMPRESSOR STATION	OXFORD, New Haven, CT	Pass	State
2020-10-13	ALGONQUIN GAS TRANSMISSION, LLC - CHAPLIN COMPRESSOR STATION	CHAPLIN, Windham, CT	Pass	State
2020-09-29	NAUGATUCK WPCA/POTW	NAUGATUCK (HISTORICAL), New Haven, CT	Pass	State
2020-09-23	NORWALK HOSPITAL ASSOCIATION	NORWALK, Fairfield, CT	Pass	State
2020-09-17	HARTFORD WATER POLLUTION CONTROL FACILITY — high-priority violation on file	HARTFORD, Hartford, CT	Pass	State
2020-09-17	HARTFORD WATER POLLUTION CONTROL FACILITY — high-priority violation on file	HARTFORD, Hartford, CT	Pass	State
2020-09-17	HARTFORD WATER POLLUTION CONTROL FACILITY — high-priority violation on file	HARTFORD, Hartford, CT	Pass	State
2020-09-17	RAND-WHITNEY CONTAINER BOARD LP	MONTVILLE, TOWN OF, New London, CT	Pass	State
2020-09-17	3M PURIFICATION INC.	STAFFORD SPRINGS, Tolland, CT	Pass	State
2020-09-01	SCAPA TAPE NORTH AMERICA	WINDSOR, Hartford, CT	Pass	State
2020-08-21	U S NAVAL SUBMARINE BASE — high-priority violation on file	GROTON (HISTORICAL), New London, CT	Pass	State
2020-08-21	U S NAVAL SUBMARINE BASE — high-priority violation on file	GROTON (HISTORICAL), New London, CT	Pass	State
2020-08-18	CONNECTICUT MUNICIPAL ELECTRIC ENERGY COOPERATIVE - GARY COURT SUBSTATION	GROTON, New London, CT	Pass	State
2020-08-18	CONNECTICUT MUNICIPAL ELECTRIC ENERGY COOPERATIVE - GARY COURT SUBSTATION	GROTON, New London, CT	Pass	State
2020-08-18	TILCON CONNECTICUT INC. - PLAINFIELD (WAUREGAN)	WAUREGAN, Windham, CT	Pass	State
2020-08-13	CONNECTICUT MUNICIPAL ELECTRIC ENERGY COOPERATIVE - WATER TREATMENT PLANT — high-priority violation on file	GROTON, New London, CT	Pass	State
2020-08-13	CONNECTICUT MUNICIPAL ELECTRIC ENERGY COOPERATIVE - WATER TREATMENT PLANT — high-priority violation on file	GROTON, New London, CT	Pass	State
2020-08-12	MIDDLESEX HOSPITAL	MIDDLETOWN, Middlesex, CT	Pass	State
2020-08-11	CONNECTICUT MUNICIPAL ELECTRIC ENERGY COOPERATIVE - BRIDGE STREET SITE — high-priority violation on file	GROTON, New London, CT	Pass	State
2020-08-11	CONNECTICUT MUNICIPAL ELECTRIC ENERGY COOPERATIVE - BRIDGE STREET SITE — high-priority violation on file	GROTON, New London, CT	Pass	State
2020-08-07	PLAINFIELD RENEWABLE ENERGY LLC	PLAINFIELD, Litchfield, CT	Pass	State
2020-08-05	TILCON CONNECTICUT - DANBURY PLANT	DANBURY, Fairfield, CT	Pass	State
2020-07-29	BIMBO BAKERIES USA, INC.	GREENWICH, Fairfield, CT	Fail	State
2020-07-28	DEVON POWER LLC	DEVON, New Haven, CT	Pass	State
2020-07-24	DEVON POWER LLC	DEVON, New Haven, CT	Pass	State
2020-07-22	DEVON POWER LLC	DEVON, New Haven, CT	Pass	State
2020-07-20	DEVON POWER LLC	DEVON, New Haven, CT	Pass	State
2020-07-17	TILCON CONNECTICUT - WALLINGFORD PLANT	WALLINGFORD, New Haven, CT	Pass	State
2020-07-16	FRITO-LAY, INC.	DAYVILLE, Windham, CT	Pass	State
2020-07-13	FAIRFIELD UNIVERSITY	FAIRFIELD, Fairfield, CT	Pass	State
2020-07-08	CONNECTICUT MUNICIPAL ELECTRIC ENERGY COOPERATIVE - JEWETT CITY SITE — high-priority violation on file	GRISWOLD, New London, CT	Pass	State
2020-06-26	YALE UNIVERSITY, SCHOOL OF MEDICINE PREMISES	NEW HAVEN, New Haven, CT	Pass	State
2020-06-24	YALE UNIVERSITY, SCHOOL OF MEDICINE PREMISES	NEW HAVEN, New Haven, CT	Pass	State
2020-06-15	U S NAVAL SUBMARINE BASE — high-priority violation on file	GROTON (HISTORICAL), New London, CT	Pass	State
2020-06-11	ITW GRAPHICS	MANCHESTER, Hartford, CT	Pass	State
2020-06-10	SPRAGUE OPERATING RESOURCES, LLC	BRIDGEPORT, Fairfield, CT	Pass	State
2020-06-10	SHELL OIL PRODUCTS US	NEW HAVEN, New Haven, CT	Pass	State
2020-06-04	CONNECTICUT MUNICIPAL ELECTRIC ENERGY COOPERATIVE	NORWICH, New London, CT	Fail	State
2020-06-03	CONNECTICUT MUNICIPAL ELECTRIC ENERGY COOPERATIVE	NORWICH, New London, CT	Fail	State
2020-06-02	O & G INDUSTRIES - BRIDGEPORT PLANT — high-priority violation on file	BRIDGEPORT, Fairfield, CT	Pass	State
2020-06-02	CONNECTICUT MUNICIPAL ELECTRIC ENERGY COOPERATIVE - LEBANON PINES SITE	LEBANON, New London, CT	Pass	State
2020-06-02	CONNECTICUT MUNICIPAL ELECTRIC ENERGY COOPERATIVE - LEBANON PINES SITE	LEBANON, New London, CT	Fail	State
2020-05-20	REWORLD CONNECTICUT COMPANY — high-priority violation on file	PRESTON, New London, CT	Pass	State
2020-05-19	REWORLD CONNECTICUT COMPANY — high-priority violation on file	PRESTON, New London, CT	Pass	State
2020-05-14	THE MATTABASSETT DISTRICT — high-priority violation on file	CROMWELL, Middlesex, CT	Pass	State
2020-05-14	WHEELABRATOR LISBON INC.	CONNECTICUT, Undetermined, CT	Pass	State
2020-05-14	WHEELABRATOR LISBON INC.	CONNECTICUT, Undetermined, CT	Pass	State
2020-05-07	WHEELABRATOR BRIDGEPORT LP	BRIDGEPORT, Fairfield, CT	Pass	State
2020-05-06	WHEELABRATOR BRIDGEPORT LP	BRIDGEPORT, Fairfield, CT	Pass	State
2020-05-06	CONNECTICUT JET POWER - FRANKLIN DRIVE STATION	TORRINGTON, Litchfield, CT	Pass	State
2020-05-06	CONNECTICUT JET POWER - FRANKLIN DRIVE STATION	TORRINGTON, Litchfield, CT	Pass	State
2020-05-05	WHEELABRATOR BRIDGEPORT LP	BRIDGEPORT, Fairfield, CT	Pass	State
2020-05-05	CONNECTICUT JET POWER - TORRINGTON TERMINAL	TORRINGTON, Litchfield, CT	Pass	State
2020-04-24	VA CONNECTICUT HEALTHCARE SYSTEM	WEST HAVEN, New Haven, CT	Pass	State
2020-04-23	LEGERE GROUP, LTD	AVON, Hartford, CT	Fail	State
2020-04-21	ALGONQUIN GAS TRANSMISSION LLC - OXFORD COMPRESSOR STATION	OXFORD, New Haven, CT	Pass	State
2020-04-07	LUVATA WATERBURY, INC.	WATERBURY, New Haven, CT	Pass	State
2020-04-01	REWORLD BRISTOL, INC.	BRISTOL, Hartford, CT	Pass	State
2020-04-01	REWORLD BRISTOL, INC.	BRISTOL, Hartford, CT	Pass	State
2020-03-26	PHOENIX SOIL, A CLEAN EARTH CO	PLAINVILLE, Hartford, CT	Pass	State
2020-03-26	PHOENIX SOIL, A CLEAN EARTH CO	PLAINVILLE, Hartford, CT	Pass	State
2020-03-26	PHOENIX SOIL, A CLEAN EARTH CO	PLAINVILLE, Hartford, CT	Pass	State
2020-03-19	GB II NEW HAVEN, LLC - NEW HAVEN HARBOR STATION	NEW HAVEN, New Haven, CT	Pass	State
2020-03-17	FREEPORT-MCMORAN COPPER PRODUCTS	NORWICH, New London, CT	Pass	State
2020-03-16	YALE UNIVERSITY - DIVINITY SCHOOL	NEW HAVEN, New Haven, CT	Pass	State
2020-03-16	YALE UNIVERSITY - DIVINITY SCHOOL	NEW HAVEN, New Haven, CT	Pass	State
2020-03-11	CAPITOL DISTRICT ENERGY CTR COGENERATION	HARTFORD, Hartford, CT	Pass	State
2020-03-10	IROQUOIS PIPELINE OPERATING COMPANY - BROOKFIELD COMPRESSOR STATION	BROOKFIELD, Fairfield, CT	Pass	State
2020-03-10	IROQUOIS PIPELINE OPERATING COMPANY - BROOKFIELD COMPRESSOR STATION	BROOKFIELD, Fairfield, CT	Pass	State
2020-03-04	HAMILTON SUNDSTRAND CORPORATION - COLLINS AEROSPACE	WINDSOR LOCKS, Hartford, CT	Pass	State
2020-03-03	HAMILTON SUNDSTRAND CORPORATION - COLLINS AEROSPACE	WINDSOR LOCKS, Hartford, CT	Pass	State
2020-02-25	MONTVILLE POWER LLC	CONNECTICUT, Undetermined, CT	Pass	State
2020-02-20	UNIVERSITY OF CONNECTICUT STORRS CAMPUS	MANSFIELD DEPOT, Tolland, CT	Pass	State
2020-02-12	UNIVERSITY OF CONNECTICUT STORRS CAMPUS	MANSFIELD DEPOT, Tolland, CT	Pass	State
2020-02-12	UNIVERSITY OF CONNECTICUT STORRS CAMPUS	MANSFIELD DEPOT, Tolland, CT	Pass	State
2020-02-12	UNIVERSITY OF CONNECTICUT STORRS CAMPUS	MANSFIELD DEPOT, Tolland, CT	Pass	State
2020-02-12	UNIVERSITY OF CONNECTICUT STORRS CAMPUS	MANSFIELD DEPOT, Tolland, CT	Pass	State
2020-02-11	UNIVERSITY OF CONNECTICUT STORRS CAMPUS	MANSFIELD DEPOT, Tolland, CT	Pass	State
2020-02-07	CAPITOL DISTRICT ENERGY CTR COGENERATION	HARTFORD, Hartford, CT	Pass	State
2020-02-05	BRADLEY INTERNATIONAL AIRPORT / AMERESCO SELECT, INC.	WINDSOR LOCKS, Hartford, CT	Pass	State
2020-02-04	BRADLEY INTERNATIONAL AIRPORT / AMERESCO SELECT, INC.	WINDSOR LOCKS, Hartford, CT	Pass	State
2020-02-04	BRADLEY INTERNATIONAL AIRPORT / AMERESCO SELECT, INC.	WINDSOR LOCKS, Hartford, CT	Pass	State

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