EPA Air · stack tests by county and year
Air-emissions stack tests in Hendricks County, Indiana, 2025
- 7Stack 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 Hendricks County, Indiana 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 Hendricks County facility page.
Hendricks County, Indiana, 2025
Air-emissions stack tests in Hendricks County, other years
Air-emissions stack tests recorded in Hendricks County, Indiana, 2025
| Date | Facility | Kind | Agency |
|---|---|---|---|
| 2025-08-15 | MERITOR HEAVY VEHICLE SYSTEMS LLC | Pass | State |
| 2025-08-15 | MERITOR HEAVY VEHICLE SYSTEMS LLC | Pass | State |
| 2025-08-15 | MERITOR HEAVY VEHICLE SYSTEMS LLC | Pass | State |
| 2025-08-15 | MERITOR HEAVY VEHICLE SYSTEMS LLC | Pass | State |
| 2025-04-17 | TWIN BRIDGES RECYCLING AND DISPOSAL FACILITY — high-priority violation on file | Pass | State |
| 2025-04-17 | TWIN BRIDGES RECYCLING AND DISPOSAL FACILITY — high-priority violation on file | Pass | State |
| 2025-04-17 | TWIN BRIDGES RECYCLING AND DISPOSAL FACILITY — high-priority violation on file | Pass | State |
Dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.