Velarion Records

EPA Air · stack tests by county and year

Air-emissions stack tests in Suffolk County, New York, 2026

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 Suffolk County, New York 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 Suffolk County facility page.

Suffolk County, New York, 2026

Air-emissions stack tests in Suffolk County, other years

Air-emissions stack tests recorded in Suffolk County, New York, 2026

DateFacilityKindAgency
2026-08-25ISLIP MACARTHUR RESOURCE RECOVERY FACILITYPassState
2026-08-18BABYLON RESOURCE RECOVERY FACILITYPassState
2026-08-11COVANTA HUNTINGTON LLCPassState
2026-02-05PORT JEFFERSON ENERGY CENTERPassState
2026-02-03PORT JEFFERSON ENERGY CENTERPassState

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