EPA Air · stack tests by county and year

Air-emissions stack tests in New Haven County, Connecticut, 2026

22Stack 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 2026. 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, 2026

Air-emissions stack tests in New Haven County, other years

Air-emissions stack tests recorded in New Haven County, Connecticut, 2026

Date	Facility	Kind	Agency
2026-10-20	ALGONQUIN GAS TRANSMISSION LLC - OXFORD COMPRESSOR STATION	Pending	State
2026-10-14	GLOBAL NEW HAVEN TERMINALS, LLC — high-priority violation on file	Pending	State
2026-10-13	URBAN MINING CT LLC	Pending	State
2026-10-09	NAUGATUCK WPCA/POTW	Pending	State
2026-10-09	CITY OF WATERBURY WPCF	Pending	State
2026-09-10	AMERICAN GREENFUELS, LLC	Pending	U.S. EPA
2026-08-25	O & G INDUSTRIES, INC	Pass	State
2026-08-24	O&G INDUSTRIES, INC. - SOUTHBURY QUARRY	Pass	State
2026-08-20	YALE UNIVERSITY / CENTRAL POWER PLANT	Pass	State
2026-08-19	YALE UNIVERSITY / CENTRAL POWER PLANT	Pass	State
2026-07-16	GB II NEW HAVEN, LLC - NEW HAVEN HARBOR STATION	Pass	State
2026-07-15	GB II NEW HAVEN, LLC - NEW HAVEN HARBOR STATION	Pass	State
2026-07-15	GB II NEW HAVEN, LLC - NEW HAVEN HARBOR STATION	Pass	State
2026-06-18	EAST SHORE WATER POLL ABATEMENT FACILITY	Pass	State
2026-05-01	TILCON CONNECTICUT - WATERBURY PLANT	Fail	State
2026-04-09	BIC CONSUMER PRODUCTS MANUFACTURING CO	Pass	State
2026-04-01	LUVATA WATERBURY, INC.	Pass	State
2026-04-01	ALGONQUIN GAS TRANSMISSION LLC - OXFORD COMPRESSOR STATION	Pass	State
2026-02-09	YALE UNIVERSITY WEST CAMPUS	Pass	State
2026-01-22	YALE UNIVERSITY / CENTRAL POWER PLANT	Pass	State
2026-01-22	YALE UNIVERSITY / CENTRAL POWER PLANT	Pass	State
2026-01-22	YALE UNIVERSITY / CENTRAL POWER PLANT	Pass	State

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

What this page shows

This page covers Clean Air Act facilities in the EPA air register with stack tests in New Haven county, CT, for 2026. It lists 14 stack tests recorded in 2026.