EPA Air · stack tests by county and year
Air-emissions stack tests in St. Joseph County, Indiana, 2025
- 20Stack 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 St. Joseph 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 St. Joseph County facility page.
St. Joseph County, Indiana, 2025
Air-emissions stack tests in St. Joseph County, other years
Air-emissions stack tests recorded in St. Joseph County, Indiana, 2025
| Date | Facility | Kind | Agency |
|---|---|---|---|
| 2025-08-26 | STEEL WAREHOUSE COMPANY LLC — high-priority violation on file | Pass | State |
| 2025-08-26 | STEEL WAREHOUSE COMPANY LLC — high-priority violation on file | Pass | State |
| 2025-08-26 | STEEL WAREHOUSE COMPANY LLC — high-priority violation on file | Pass | State |
| 2025-08-26 | STEEL WAREHOUSE COMPANY LLC — high-priority violation on file | Pass | State |
| 2025-08-26 | STEEL WAREHOUSE COMPANY LLC — high-priority violation on file | Pass | State |
| 2025-08-05 | CLEVELAND CLIFFS NEW CARLISLE LLC — high-priority violation on file | Pass | State |
| 2025-06-26 | BUCKEYE TERMINALS LLC GRANGER TERMINAL | Pass | State |
| 2025-05-30 | CLEVELAND CLIFFS NEW CARLISLE LLC — high-priority violation on file | Pass | State |
| 2025-05-29 | CLEVELAND CLIFFS NEW CARLISLE LLC — high-priority violation on file | Pass | State |
| 2025-05-28 | CLEVELAND CLIFFS NEW CARLISLE LLC — high-priority violation on file | Pass | State |
| 2025-05-28 | CLEVELAND CLIFFS NEW CARLISLE LLC — high-priority violation on file | Pass | State |
| 2025-05-14 | UNIFRAX I LLC | Pass | State |
| 2025-05-14 | UNIFRAX I LLC | Pass | State |
| 2025-05-14 | UNIFRAX I LLC | Pass | State |
| 2025-05-14 | UNIFRAX I LLC | Pass | State |
| 2025-05-14 | CLEVELAND CLIFFS NEW CARLISLE LLC — high-priority violation on file | Pass | State |
| 2025-05-14 | CLEVELAND CLIFFS NEW CARLISLE LLC — high-priority violation on file | Pass | State |
| 2025-05-14 | CLEVELAND CLIFFS NEW CARLISLE LLC — high-priority violation on file | Pass | State |
| 2025-04-23 | UNIVERSITY OF NOTRE DAME DU LAC | Pass | State |
| 2025-04-23 | UNIVERSITY OF NOTRE DAME DU LAC | Pass | State |
Dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.