EPA Air · stack tests by county and year
Air-emissions stack tests in Huntington County, Indiana, 2025
- 36Stack 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 Huntington 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 Huntington County facility page.
Huntington County, Indiana, 2025
Air-emissions stack tests in Huntington County, other years
Air-emissions stack tests recorded in Huntington County, Indiana, 2025
| Date | Facility | Kind | Agency |
|---|---|---|---|
| 2025-11-19 | METAL SOURCE LLC — high-priority violation on file | Pass | State |
| 2025-11-19 | METAL SOURCE LLC — high-priority violation on file | Pass | State |
| 2025-11-19 | METAL SOURCE LLC — high-priority violation on file | Pass | State |
| 2025-10-30 | KEYSTONE AUTOMOTIVE INDUSTRIES DBA TRANSWHEEL — high-priority violation on file | Pass | State |
| 2025-10-30 | KEYSTONE AUTOMOTIVE INDUSTRIES DBA TRANSWHEEL — high-priority violation on file | Pass | State |
| 2025-10-30 | KEYSTONE AUTOMOTIVE INDUSTRIES DBA TRANSWHEEL — high-priority violation on file | Pass | State |
| 2025-10-30 | KEYSTONE AUTOMOTIVE INDUSTRIES DBA TRANSWHEEL — high-priority violation on file | Pass | State |
| 2025-10-21 | USMPC BUYER INC DBA ISOLATEK INTERNATIONAL | Pass | State |
| 2025-10-21 | USMPC BUYER INC DBA ISOLATEK INTERNATIONAL | Pass | State |
| 2025-10-21 | USMPC BUYER INC DBA ISOLATEK INTERNATIONAL | Pass | State |
| 2025-10-21 | USMPC BUYER INC DBA ISOLATEK INTERNATIONAL | Pass | State |
| 2025-10-21 | USMPC BUYER INC DBA ISOLATEK INTERNATIONAL | Pass | State |
| 2025-09-03 | GENERAL MOTORS LLC FORT WAYNE ASSEMBLY — high-priority violation on file | Pass | State |
| 2025-09-03 | GENERAL MOTORS LLC FORT WAYNE ASSEMBLY — high-priority violation on file | Pass | State |
| 2025-09-03 | GENERAL MOTORS LLC FORT WAYNE ASSEMBLY — high-priority violation on file | Pass | State |
| 2025-09-03 | GENERAL MOTORS LLC FORT WAYNE ASSEMBLY — high-priority violation on file | Pass | State |
| 2025-08-28 | CITGO PETROLEUM CORPORATION | Pass | State |
| 2025-08-19 | GENERAL MOTORS LLC FORT WAYNE ASSEMBLY — high-priority violation on file | Pass | State |
| 2025-08-19 | GENERAL MOTORS LLC FORT WAYNE ASSEMBLY — high-priority violation on file | Pass | State |
| 2025-08-19 | GENERAL MOTORS LLC FORT WAYNE ASSEMBLY — high-priority violation on file | Pass | State |
| 2025-08-19 | GENERAL MOTORS LLC FORT WAYNE ASSEMBLY — high-priority violation on file | Pass | State |
| 2025-07-09 | ENERGY TRANSFER MARKETING & TERMINALS LP | Pass | State |
| 2025-07-09 | ENERGY TRANSFER MARKETING & TERMINALS LP | Pass | State |
| 2025-06-17 | LASSUS BROTHERS TERMINAL INC | Pass | State |
| 2025-03-12 | GENERAL MOTORS LLC FORT WAYNE ASSEMBLY — high-priority violation on file | Pass | State |
| 2025-03-12 | GENERAL MOTORS LLC FORT WAYNE ASSEMBLY — high-priority violation on file | Pass | State |
| 2025-03-12 | GENERAL MOTORS LLC FORT WAYNE ASSEMBLY — high-priority violation on file | Pass | State |
| 2025-03-12 | GENERAL MOTORS LLC FORT WAYNE ASSEMBLY — high-priority violation on file | Pass | State |
| 2025-03-12 | GENERAL MOTORS LLC FORT WAYNE ASSEMBLY — high-priority violation on file | Pass | State |
| 2025-03-12 | GENERAL MOTORS LLC FORT WAYNE ASSEMBLY — high-priority violation on file | Pass | State |
| 2025-03-11 | GENERAL MOTORS LLC FORT WAYNE ASSEMBLY — high-priority violation on file | Pass | State |
| 2025-03-11 | GENERAL MOTORS LLC FORT WAYNE ASSEMBLY — high-priority violation on file | Pass | State |
| 2025-03-11 | GENERAL MOTORS LLC FORT WAYNE ASSEMBLY — high-priority violation on file | Pass | State |
| 2025-03-11 | GENERAL MOTORS LLC FORT WAYNE ASSEMBLY — high-priority violation on file | Pass | State |
| 2025-03-11 | GENERAL MOTORS LLC FORT WAYNE ASSEMBLY — high-priority violation on file | Pass | State |
| 2025-03-11 | GENERAL MOTORS LLC FORT WAYNE ASSEMBLY — 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.