EPA Air · stack tests by county and year
Air-emissions stack tests in Harrison County, Ohio, 2026
- 159Stack 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 Harrison County, Ohio 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 Harrison County facility page.
Air-emissions stack tests in Harrison County, other years
Air-emissions stack tests recorded in Harrison County, Ohio, 2026
| Date | Facility | Kind | Agency |
|---|---|---|---|
| 2026-03-12 | MARKWEST LAKE COMPRESSOR STATION | Pass | State |
| 2026-03-12 | MARKWEST LAKE COMPRESSOR STATION | Pass | State |
| 2026-03-12 | MARKWEST LAKE COMPRESSOR STATION | Pass | State |
| 2026-03-12 | MARKWEST LAKE COMPRESSOR STATION | Pass | State |
| 2026-03-12 | MARKWEST LAKE COMPRESSOR STATION | Pass | State |
| 2026-03-12 | MARKWEST LAKE COMPRESSOR STATION | Pass | State |
| 2026-03-12 | MARKWEST LAKE COMPRESSOR STATION | Pass | State |
| 2026-03-12 | MARKWEST LAKE COMPRESSOR STATION | Pass | State |
| 2026-03-12 | MARKWEST LAKE COMPRESSOR STATION | Pass | State |
| 2026-03-12 | MARKWEST LAKE COMPRESSOR STATION | Pass | State |
| 2026-03-12 | MARKWEST LAKE COMPRESSOR STATION | Pass | State |
| 2026-03-12 | MARKWEST LAKE COMPRESSOR STATION | Pass | State |
| 2026-03-12 | MARKWEST LAKE COMPRESSOR STATION | Pass | State |
| 2026-03-12 | MARKWEST LAKE COMPRESSOR STATION | Pass | State |
| 2026-03-12 | UTICA GAS SERVICES, LLC - SCIO COMPRESSOR STATION | Pass | State |
| 2026-03-12 | UTICA GAS SERVICES, LLC - SCIO COMPRESSOR STATION | Pass | State |
| 2026-03-12 | UTICA GAS SERVICES, LLC - SCIO COMPRESSOR STATION | Pass | State |
| 2026-03-12 | UTICA GAS SERVICES, LLC - SCIO COMPRESSOR STATION | Pass | State |
| 2026-03-12 | UTICA GAS SERVICES, LLC - SCIO COMPRESSOR STATION | Pass | State |
| 2026-03-12 | UTICA GAS SERVICES, LLC - SCIO COMPRESSOR STATION | Pass | State |
| 2026-03-12 | UTICA GAS SERVICES, LLC - SCIO COMPRESSOR STATION | Pass | State |
| 2026-03-12 | UTICA GAS SERVICES, LLC - SCIO COMPRESSOR STATION | Pass | State |
| 2026-03-12 | UTICA GAS SERVICES, LLC - SCIO COMPRESSOR STATION | Pass | State |
| 2026-03-12 | UTICA GAS SERVICES, LLC - SCIO COMPRESSOR STATION | Pass | State |
| 2026-03-12 | UTICA GAS SERVICES, LLC - SCIO COMPRESSOR STATION | Pass | State |
| 2026-03-12 | UTICA GAS SERVICES, LLC - SCIO COMPRESSOR STATION | Pass | State |
| 2026-03-12 | UTICA GAS SERVICES, LLC - SCIO COMPRESSOR STATION | Pass | State |
| 2026-03-12 | UTICA GAS SERVICES, LLC - SCIO COMPRESSOR STATION | Pass | State |
| 2026-03-12 | UTICA GAS SERVICES, LLC - SCIO COMPRESSOR STATION | Pass | State |
| 2026-03-12 | UTICA GAS SERVICES, LLC - SCIO COMPRESSOR STATION | Pass | State |
| 2026-03-12 | UTICA GAS SERVICES, LLC - SCIO COMPRESSOR STATION | Pass | State |
| 2026-03-12 | UTICA GAS SERVICES, LLC - SCIO COMPRESSOR STATION | Pass | State |
| 2026-03-12 | UTICA GAS SERVICES, LLC - SCIO COMPRESSOR STATION | Pass | State |
| 2026-03-12 | UTICA GAS SERVICES, LLC - SCIO COMPRESSOR STATION | Pass | State |
| 2026-03-12 | UTICA GAS SERVICES, LLC - SCIO COMPRESSOR STATION | Pass | State |
| 2026-03-12 | UTICA GAS SERVICES, LLC - SCIO COMPRESSOR STATION | Pass | State |
| 2026-03-12 | UTICA GAS SERVICES, LLC - SCIO COMPRESSOR STATION | Pass | State |
| 2026-03-12 | UTICA GAS SERVICES, LLC - SCIO COMPRESSOR STATION | Pass | State |
| 2026-03-12 | UTICA GAS SERVICES, LLC - SCIO COMPRESSOR STATION | Pass | State |
| 2026-03-12 | UTICA GAS SERVICES, LLC - SCIO COMPRESSOR STATION | Pass | State |
| 2026-03-12 | UTICA GAS SERVICES, LLC - SCIO COMPRESSOR STATION | Pass | State |
| 2026-03-12 | UTICA GAS SERVICES, LLC - SCIO COMPRESSOR STATION | Pass | State |
| 2026-03-12 | UTICA GAS SERVICES, LLC - SCIO COMPRESSOR STATION | Pass | State |
| 2026-03-12 | UTICA GAS SERVICES, LLC - SCIO COMPRESSOR STATION | Pass | State |
| 2026-03-12 | UTICA GAS SERVICES, LLC - SCIO COMPRESSOR STATION | Pass | State |
| 2026-03-12 | UTICA GAS SERVICES, LLC - SCIO COMPRESSOR STATION | Pass | State |
| 2026-03-12 | UTICA GAS SERVICES, LLC - SCIO COMPRESSOR STATION | Pass | State |
| 2026-03-12 | UTICA GAS SERVICES, LLC - SCIO COMPRESSOR STATION | Pass | State |
| 2026-03-12 | UTICA GAS SERVICES, LLC - SCIO COMPRESSOR STATION | Pass | State |
| 2026-03-12 | UTICA GAS SERVICES, LLC - SCIO COMPRESSOR STATION | Pass | State |
| 2026-01-30 | EOG RESOURCES, INC. - BOWERSTON 21-13-6 PAD | Pass | State |
| 2026-01-30 | EOG RESOURCES, INC. - BOWERSTON 21-13-6 PAD | Pass | State |
| 2026-01-30 | EOG RESOURCES, INC. - BOWERSTON 21-13-6 PAD | Pass | State |
| 2026-01-19 | MARKWEST - CADIZ GAS PLANT | Pass | State |
| 2026-01-19 | MARKWEST - CADIZ GAS PLANT | Pass | State |
| 2026-01-19 | MARKWEST - CADIZ GAS PLANT | Pass | State |
| 2026-01-19 | MARKWEST - CADIZ GAS PLANT | Pass | State |
| 2026-01-19 | MARKWEST - CADIZ GAS PLANT | Pass | State |
| 2026-01-19 | MARKWEST - CADIZ GAS PLANT | Pass | State |
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Dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.