Velarion Records

EPA Air · stack tests by county and year

Air-emissions stack tests in Jasper County, Mississippi, 2025

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 Jasper County, Mississippi during 2025. 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 Jasper County facility page.

Jasper County, Mississippi, 2025

Air-emissions stack tests in Jasper County, other years

Air-emissions stack tests recorded in Jasper County, Mississippi, 2025

DateFacilityKindAgency
2025-08-05TENNESSEE GAS PIPELINE COMPANY LLC, HEIDELBERG COMPRESSOR STATION NUMBER 538PassState
2025-08-05TENNESSEE GAS PIPELINE COMPANY LLC, HEIDELBERG COMPRESSOR STATION NUMBER 538PassState
2025-07-01DENBURY ONSHORE LLC, EAST HEIDELBERG MEMBRANE SITEPassState
2025-07-01DENBURY ONSHORE LLC, EAST HEIDELBERG MEMBRANE SITEPassState
2025-07-01DENBURY ONSHORE LLC, EAST HEIDELBERG MEMBRANE SITEPassState
2025-01-22SOUTHERN NATURAL GAS COMPANY LLC, BAY SPRINGS COMPRESSOR STATIONPassState
2025-01-21SOUTHERN NATURAL GAS COMPANY LLC, BAY SPRINGS COMPRESSOR STATIONPassState
2025-01-21SOUTHERN NATURAL GAS COMPANY LLC, BAY SPRINGS COMPRESSOR STATIONPassState

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 Jasper county, MS, in 2025. The figures listed show 8 stack tests recorded in 2025.