EPA Air · stack tests by county and year
Air-emissions stack tests in Jefferson County, Ohio, 2025
- 121Stack 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 Jefferson County, Ohio 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 Jefferson County facility page.
Jefferson County, Ohio, 2025
Air-emissions stack tests in Jefferson County, other years
Air-emissions stack tests recorded in Jefferson County, Ohio, 2025
| Date | Facility | Kind | Agency |
|---|---|---|---|
| 2025-05-14 | WILLIAMS - SALEM COMPRESSOR STATION | Pass | State |
| 2025-05-14 | WILLIAMS - SALEM COMPRESSOR STATION | Pass | State |
| 2025-05-14 | WILLIAMS - SALEM COMPRESSOR STATION | Pass | State |
| 2025-04-09 | ASCENT RESOURCES - UTICA LLC - CLUB SMF JF | Pass | State |
| 2025-04-09 | ASCENT RESOURCES - UTICA LLC - CLUB SMF JF | Pass | State |
| 2025-04-09 | ASCENT RESOURCES - UTICA LLC - CLUB SMF JF | Pass | State |
| 2025-03-18 | ASCENT RESOURCES - UTICA LLC - ARCHIE WYN JF | Pass | State |
| 2025-03-18 | ASCENT RESOURCES - UTICA LLC - ARCHIE WYN JF | Pass | State |
| 2025-03-18 | ASCENT RESOURCES - UTICA LLC - ARCHIE WYN JF | Pass | State |
| 2025-03-13 | ASCENT RESOURCES - UTICA LLC - FALDOWSKI SMF JF | Pass | State |
| 2025-03-13 | ASCENT RESOURCES - UTICA LLC - FALDOWSKI SMF JF | Pass | State |
| 2025-03-13 | ASCENT RESOURCES - UTICA LLC - FALDOWSKI SMF JF | Pass | State |
| 2025-03-13 | ASCENT RESOURCES - UTICA LLC - LORI SMF JF | Pass | State |
| 2025-03-13 | ASCENT RESOURCES - UTICA LLC - LORI SMF JF | Pass | State |
| 2025-03-13 | ASCENT RESOURCES - UTICA LLC - LORI SMF JF | Pass | State |
| 2025-02-04 | ASCENT RESOURCES - UTICA LLC - COLLINS WYN JF | Pass | State |
| 2025-02-04 | ASCENT RESOURCES - UTICA LLC - COLLINS WYN JF | Pass | State |
| 2025-02-04 | ASCENT RESOURCES - UTICA LLC - COLLINS WYN JF | Pass | State |
| 2025-02-04 | ASCENT RESOURCES - UTICA LLC - GIUSTO CRC JF | Pass | State |
| 2025-02-04 | ASCENT RESOURCES - UTICA LLC - GIUSTO CRC JF | Pass | State |
| 2025-02-04 | ASCENT RESOURCES - UTICA LLC - GIUSTO CRC JF | Pass | State |
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Dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.