EPA Air · stack tests by county and year
Air-emissions stack tests in Cuyahoga County, Ohio, 2025
- 25Stack 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 Cuyahoga 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 Cuyahoga County facility page.
Cuyahoga County, Ohio, 2025
Air-emissions stack tests in Cuyahoga County, other years
Air-emissions stack tests recorded in Cuyahoga County, Ohio, 2025
| Date | Facility | Kind | Agency |
|---|---|---|---|
| 2025-11-25 | HOWMET AEROSPACE INC. | Pass | State |
| 2025-11-25 | HOWMET AEROSPACE INC. | Pass | State |
| 2025-11-25 | HOWMET AEROSPACE INC. | Pass | State |
| 2025-11-25 | HOWMET AEROSPACE INC. | Pass | State |
| 2025-10-23 | ELCO CORP. — high-priority violation on file | Pass | State |
| 2025-10-23 | ELCO CORP. — high-priority violation on file | Pass | State |
| 2025-10-22 | ELCO CORP. — high-priority violation on file | Pass | State |
| 2025-10-16 | MID-KAM CRUSHING LLC | Pass | State |
| 2025-09-18 | THE MEDICAL CENTER COMPANY | Pass | State |
| 2025-09-18 | THE MEDICAL CENTER COMPANY | Pass | State |
| 2025-09-17 | THE MEDICAL CENTER COMPANY | Pass | State |
| 2025-09-17 | THE MEDICAL CENTER COMPANY | Pass | State |
| 2025-07-29 | BUCKEYE TERMINALS, LLC - CLEVELAND PLANT | Pass | State |
| 2025-07-15 | DORN COLOR, LLC | Pass | State |
| 2025-03-21 | THE MEDICAL CENTER COMPANY | Pass | State |
| 2025-03-20 | THE MEDICAL CENTER COMPANY | Pass | State |
| 2025-03-19 | THE MEDICAL CENTER COMPANY | Pass | State |
| 2025-03-18 | THE MEDICAL CENTER COMPANY | Pass | State |
| 2025-02-25 | AGMET LLC | Pass | State |
| 2025-02-25 | AGMET LLC | Pass | State |
| 2025-02-18 | SOUTHERLY WASTEWATER TREATMENT CENTER | Pass | State |
| 2025-02-18 | SOUTHERLY WASTEWATER TREATMENT CENTER | Pass | State |
| 2025-02-18 | SOUTHERLY WASTEWATER TREATMENT CENTER | Pass | State |
| 2025-02-18 | SOUTHERLY WASTEWATER TREATMENT CENTER | Pass | State |
| 2025-01-16 | DORN COLOR, LLC | Pass | State |
Dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.