EPA Air · stack tests by county and year
Air-emissions stack tests in Howard County, Indiana, 2025
- 35Stack 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 Howard 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 Howard County facility page.
Howard County, Indiana, 2025
Air-emissions stack tests in Howard County, other years
Air-emissions stack tests recorded in Howard County, Indiana, 2025
| Date | Facility | Kind | Agency |
|---|---|---|---|
| 2025-11-06 | HAYNES INTERNATIONAL INC — high-priority violation on file | Pass | State |
| 2025-11-06 | STARPLUS ENERGY LLC | Pass | State |
| 2025-11-05 | STARPLUS ENERGY LLC | Pass | State |
| 2025-11-05 | STARPLUS ENERGY LLC | Pass | State |
| 2025-11-05 | STARPLUS ENERGY LLC | Pass | State |
| 2025-11-05 | STARPLUS ENERGY LLC | Pass | State |
| 2025-11-04 | STARPLUS ENERGY LLC | Pass | State |
| 2025-11-04 | STARPLUS ENERGY LLC | Pass | State |
| 2025-11-04 | STARPLUS ENERGY LLC | Pass | State |
| 2025-11-04 | STARPLUS ENERGY LLC | Pass | State |
| 2025-11-04 | STARPLUS ENERGY LLC | Pass | State |
| 2025-11-04 | STARPLUS ENERGY LLC | Pass | State |
| 2025-08-15 | HAYNES INTERNATIONAL INC — high-priority violation on file | Pass | State |
| 2025-08-15 | HAYNES INTERNATIONAL INC — high-priority violation on file | Pass | State |
| 2025-08-14 | HAYNES INTERNATIONAL INC — high-priority violation on file | Pass | State |
| 2025-08-14 | HAYNES INTERNATIONAL INC — high-priority violation on file | Pass | State |
| 2025-08-14 | HAYNES INTERNATIONAL INC — high-priority violation on file | Pass | State |
| 2025-08-13 | HAYNES INTERNATIONAL INC — high-priority violation on file | Fail | State |
| 2025-08-07 | FCA US LLC KOKOMO TRANSMISSION PLANT | Pass | State |
| 2025-08-07 | FCA US LLC KOKOMO TRANSMISSION PLANT | Pass | State |
| 2025-08-07 | FCA US LLC KOKOMO TRANSMISSION PLANT | Pass | State |
| 2025-08-07 | FCA US LLC KOKOMO TRANSMISSION PLANT | Pass | State |
| 2025-07-30 | JWA CO LTD | Pass | State |
| 2025-07-30 | JWA CO LTD | Pass | State |
| 2025-07-29 | JWA CO LTD | Pass | State |
| 2025-07-29 | JWA CO LTD | Pass | State |
| 2025-07-29 | JWA CO LTD | Pass | State |
| 2025-07-29 | JWA CO LTD | Pass | State |
| 2025-07-16 | FCA US LLC KOKOMO CASTING PLANT | Pass | State |
| 2025-07-16 | FCA US LLC KOKOMO CASTING PLANT | Pass | State |
| 2025-07-16 | FCA US LLC KOKOMO CASTING PLANT | Pass | State |
| 2025-07-16 | FCA US LLC KOKOMO CASTING PLANT | Pass | State |
| 2025-07-16 | FCA US LLC KOKOMO CASTING PLANT | Pass | State |
| 2025-04-24 | FCA US LLC KOKOMO CASTING PLANT | Pass | State |
| 2025-04-24 | FCA US LLC KOKOMO CASTING PLANT | Pass | State |
Dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.