Velarion Records

EPA Air · stack tests by county and year

Air-emissions stack tests in Middlesex County, Connecticut, 2023

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 Middlesex County, Connecticut during 2023. 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 Middlesex County facility page.

Middlesex County, Connecticut, 2023

Air-emissions stack tests in Middlesex County, other years

Air-emissions stack tests recorded in Middlesex County, Connecticut, 2023

DateFacilityKindAgency
2023-11-28ALGONQUIN GAS TRANSMISSION, LLC - CROMWELL COMPRESSOR STATIONPassState
2023-11-28ALGONQUIN GAS TRANSMISSION, LLC - CROMWELL COMPRESSOR STATIONPassState
2023-08-27MIDDLETOWN POWER LLCPassState
2023-08-26MIDDLETOWN POWER LLCPassState
2023-08-26MIDDLETOWN POWER LLCPassState
2023-08-25MIDDLETOWN POWER LLCPassState
2023-08-17PRATT & WHITNEY, DIVISION OF RTX CORPORATIONPassState
2023-08-09MIDDLESEX HOSPITALPassState
2023-05-31ALGONQUIN GAS TRANSMISSION, LLC - CROMWELL COMPRESSOR STATIONPassState
2023-05-25THE MATTABASSETT DISTRICT — high-priority violation on filePassState

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 Middlesex county, CT, in 2023. It lists 10 stack tests recorded in 2023.