EPA Air · stack tests by county and year
Air-emissions stack tests in Warren County, Ohio, 2026
- 3Stack 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 Warren 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 Warren County facility page.
Warren County, Ohio, 2026
Air-emissions stack tests in Warren County, other years
Air-emissions stack tests recorded in Warren County, Ohio, 2026
| Date | Facility | Kind | Agency |
|---|---|---|---|
| 2026-08-11 | ENTERPRISE REFINED PRODUCTS COMPANY LLC | Pass | State |
| 2026-03-02 | PROCTER & GAMBLE MASON BUSINESS & INNOVATION CENTER | Pass | State |
| 2026-01-28 | EASTERN GAS TRANSMISSION AND STORAGE - LEBANON STATION | Pass | State |
Dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.