EPA Air · stack tests by county and year
Air-emissions stack tests in Hamilton County, Ohio, 2025
- 58Stack 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 Hamilton 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 Hamilton County facility page.
Hamilton County, Ohio, 2025
Air-emissions stack tests in Hamilton County, other years
Air-emissions stack tests recorded in Hamilton County, Ohio, 2025
| Date | Facility | Kind | Agency |
|---|---|---|---|
| 2025-12-27 | CINCINNATI CHILDREN'S HOSPITAL MEDICAL CENTER | Pass | State |
| 2025-12-27 | CINCINNATI CHILDREN'S HOSPITAL MEDICAL CENTER | Pass | State |
| 2025-12-27 | CINCINNATI CHILDREN'S HOSPITAL MEDICAL CENTER | Pass | State |
| 2025-11-13 | MIAMI FORT POWER COMPANY LLC | Pass | State |
| 2025-10-29 | UNIVERSITY OF CINCINNATI | Pass | State |
| 2025-10-29 | UNIVERSITY OF CINCINNATI | Pass | State |
| 2025-10-29 | UNIVERSITY OF CINCINNATI | Pass | State |
| 2025-10-29 | UNIVERSITY OF CINCINNATI | Pass | State |
| 2025-10-02 | BUCKEYE TERMINALS LLC CINCINNATI TERMINAL | Pass | State |
| 2025-10-01 | MIAMI FORT POWER COMPANY LLC | Pass | State |
| 2025-09-30 | MIAMI FORT POWER COMPANY LLC | Pass | State |
| 2025-09-26 | NEXPERA FORT HILL PLANT | Pass | State |
| 2025-09-10 | MANE INC | Pass | State |
| 2025-09-10 | MANE INC | Pass | State |
| 2025-09-10 | MANE INC | Pass | State |
| 2025-09-10 | MANE INC | Pass | State |
| 2025-09-10 | MANE INC | Pass | State |
| 2025-09-10 | MANE INC | Pass | State |
| 2025-09-10 | MANE INC | Pass | State |
| 2025-09-10 | MANE INC | Pass | State |
| 2025-09-10 | MANE INC | Pass | State |
| 2025-09-10 | MANE INC | Pass | State |
| 2025-09-10 | MANE INC | Pass | State |
| 2025-09-10 | MANE INC | Pass | State |
| 2025-09-10 | MANE INC | Pass | State |
| 2025-09-10 | MANE INC | Pass | State |
| 2025-09-10 | MANE INC | Pass | State |
| 2025-09-10 | MANE INC | Pass | State |
| 2025-09-10 | MANE INC | Pass | State |
| 2025-09-10 | MANE INC | Pass | State |
| 2025-09-10 | MANE INC | Pass | State |
| 2025-09-10 | MILL CREEK WWTP | Pass | State |
| 2025-09-09 | MILL CREEK WWTP | Pass | State |
| 2025-09-02 | GM CEREALS PROPERTIES, INC. | Pass | State |
| 2025-09-02 | GM CEREALS PROPERTIES, INC. | Pass | State |
| 2025-08-26 | MIAMI FORT POWER COMPANY LLC | Pass | State |
| 2025-08-12 | PATHEON PHARMACEUTICALS INC. | Pass | State |
| 2025-06-20 | VALLEY ASPHALT #17 - PORTABLE | Pass | State |
| 2025-06-17 | CONSOLIDATED PACKAGING GROUP — high-priority violation on file | Pass | State |
| 2025-06-17 | CONSOLIDATED PACKAGING GROUP — high-priority violation on file | Pass | State |
| 2025-06-17 | CONSOLIDATED PACKAGING GROUP — high-priority violation on file | Pass | State |
| 2025-05-28 | MIAMI FORT POWER COMPANY LLC | Pass | State |
| 2025-05-28 | MIAMI FORT POWER COMPANY LLC | Pass | State |
| 2025-05-22 | MIAMI FORT POWER COMPANY LLC | Pass | State |
| 2025-05-02 | DTE ST. BERNARD, LLC | Pass | State |
| 2025-05-02 | DTE ST. BERNARD, LLC | Pass | State |
| 2025-04-02 | MANE INC | Pass | State |
| 2025-04-02 | MANE INC | Pass | State |
| 2025-04-02 | MANE INC | Pass | State |
| 2025-02-11 | GE AEROSPACE EVENDALE PLANT | Pass | State |
| 2025-02-11 | GE AEROSPACE EVENDALE PLANT | Pass | State |
| 2025-02-07 | TRAMMO NITROGEN PRODUCTS, INC. | Pass | State |
| 2025-02-07 | TRAMMO NITROGEN PRODUCTS, INC. | Pass | State |
| 2025-02-04 | MIAMI FORT POWER COMPANY LLC | Pass | State |
| 2025-01-10 | CINCINNATI CHILDREN'S HOSPITAL MEDICAL CENTER | Pass | State |
| 2025-01-09 | CINCINNATI CHILDREN'S HOSPITAL MEDICAL CENTER | Pass | State |
| 2025-01-09 | CINCINNATI CHILDREN'S HOSPITAL MEDICAL CENTER | Pass | State |
| 2025-01-09 | CINCINNATI CHILDREN'S HOSPITAL MEDICAL CENTER | Pass | State |
Dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.