EPA Air · stack tests by county and year
Air-emissions stack tests in Montgomery County, Indiana, 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 Montgomery 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 Montgomery County facility page.
Montgomery County, Indiana, 2025
Air-emissions stack tests in Montgomery County, other years
Air-emissions stack tests recorded in Montgomery County, Indiana, 2025
| Date | Facility | Kind | Agency |
|---|---|---|---|
| 2025-10-23 | NUCOR STEEL — high-priority violation on file | Pass | State |
| 2025-09-18 | VALERO RENEWABLE FUELS COMPANY DBA VALERO LINDEN PLANT | Pass | State |
| 2025-09-18 | VALERO RENEWABLE FUELS COMPANY DBA VALERO LINDEN PLANT | Pass | State |
| 2025-09-16 | VALERO RENEWABLE FUELS COMPANY DBA VALERO LINDEN PLANT | Pass | State |
| 2025-09-16 | VALERO RENEWABLE FUELS COMPANY DBA VALERO LINDEN PLANT | Pass | State |
| 2025-09-16 | VALERO RENEWABLE FUELS COMPANY DBA VALERO LINDEN PLANT | Pass | State |
| 2025-09-16 | VALERO RENEWABLE FUELS COMPANY DBA VALERO LINDEN PLANT | Pass | State |
| 2025-09-16 | VALERO RENEWABLE FUELS COMPANY DBA VALERO LINDEN PLANT | Pass | State |
| 2025-09-16 | VALERO RENEWABLE FUELS COMPANY DBA VALERO LINDEN PLANT | Pass | State |
| 2025-08-21 | VALERO RENEWABLE FUELS COMPANY DBA VALERO LINDEN PLANT | Pass | State |
| 2025-08-21 | VALERO RENEWABLE FUELS COMPANY DBA VALERO LINDEN PLANT | Pass | State |
| 2025-08-21 | VALERO RENEWABLE FUELS COMPANY DBA VALERO LINDEN PLANT | Pass | State |
| 2025-08-21 | VALERO RENEWABLE FUELS COMPANY DBA VALERO LINDEN PLANT | Pass | State |
| 2025-08-21 | VALERO RENEWABLE FUELS COMPANY DBA VALERO LINDEN PLANT | Pass | State |
| 2025-08-21 | VALERO RENEWABLE FUELS COMPANY DBA VALERO LINDEN PLANT | Pass | State |
| 2025-08-20 | VALERO RENEWABLE FUELS COMPANY DBA VALERO LINDEN PLANT | Pass | State |
| 2025-08-20 | VALERO RENEWABLE FUELS COMPANY DBA VALERO LINDEN PLANT | Pass | State |
| 2025-08-20 | VALERO RENEWABLE FUELS COMPANY DBA VALERO LINDEN PLANT | Pass | State |
| 2025-08-20 | VALERO RENEWABLE FUELS COMPANY DBA VALERO LINDEN PLANT | Pass | State |
| 2025-08-19 | VALERO RENEWABLE FUELS COMPANY DBA VALERO LINDEN PLANT | Pass | State |
| 2025-08-19 | VALERO RENEWABLE FUELS COMPANY DBA VALERO LINDEN PLANT | Pass | State |
| 2025-08-19 | VALERO RENEWABLE FUELS COMPANY DBA VALERO LINDEN PLANT | Pass | State |
| 2025-08-19 | VALERO RENEWABLE FUELS COMPANY DBA VALERO LINDEN PLANT | Pass | State |
| 2025-08-06 | NUCOR STEEL — high-priority violation on file | Pass | State |
| 2025-05-01 | NUCOR STEEL — high-priority violation on file | Fail | State |
Dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.