EPA Air · stack tests by county and year
Air-emissions stack tests in Darke County, Ohio, 2025
- 12Stack 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 Darke 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 Darke County facility page.
Darke County, Ohio, 2025
Air-emissions stack tests in Darke County, other years
Air-emissions stack tests recorded in Darke County, Ohio, 2025
| Date | Facility | Kind | Agency |
|---|---|---|---|
| 2025-11-12 | BASF CORPORATION — high-priority violation on file | Pass | State |
| 2025-11-12 | BASF CORPORATION — high-priority violation on file | Pass | State |
| 2025-11-12 | BASF CORPORATION — high-priority violation on file | Pass | State |
| 2025-11-12 | BASF CORPORATION — high-priority violation on file | Pass | State |
| 2025-11-12 | BASF CORPORATION — high-priority violation on file | Pass | State |
| 2025-11-12 | BASF CORPORATION — high-priority violation on file | Pass | State |
| 2025-11-12 | BASF CORPORATION — high-priority violation on file | Pass | State |
| 2025-11-12 | BASF CORPORATION — high-priority violation on file | Pass | State |
| 2025-11-12 | BASF CORPORATION — high-priority violation on file | Pass | State |
| 2025-10-29 | MORIROKU TECHNOLOGY NORTH AMERICA - GREENVILLE | Pass | State |
| 2025-10-29 | MORIROKU TECHNOLOGY NORTH AMERICA - GREENVILLE | Pass | State |
| 2025-05-12 | BUCKINGHAM ENTERPRISES 2 | Pass | State |
Dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.