EPA Air · stack tests by county and year
Air-emissions stack tests in St. Joseph County, Indiana, 2023
- 34Stack 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 2023. 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, 2023
Air-emissions stack tests in St. Joseph County, other years
Air-emissions stack tests recorded in St. Joseph County, Indiana, 2023
| Date | Facility | Kind | Agency |
|---|---|---|---|
| 2023-08-30 | OPTA WALKERTON | Pass | State |
| 2023-08-29 | OPTA WALKERTON | Pass | State |
| 2023-05-11 | UNIVERSITY OF NOTRE DAME DU LAC | Pass | State |
| 2023-05-10 | UNIVERSITY OF NOTRE DAME DU LAC | Pass | State |
| 2023-05-10 | UNIVERSITY OF NOTRE DAME DU LAC | Pass | State |
| 2023-05-10 | UNIFRAX I LLC | Pass | State |
| 2023-05-10 | UNIFRAX I LLC | Pass | State |
| 2023-05-10 | UNIFRAX I LLC | Pass | State |
| 2023-05-09 | UNIVERSITY OF NOTRE DAME DU LAC | Pass | State |
| 2023-05-08 | UNIVERSITY OF NOTRE DAME DU LAC | Pass | State |
| 2023-03-23 | HONEYWELL AEROSPACE US LLC | Pass | State |
| 2023-03-23 | HONEYWELL AEROSPACE US LLC | Pass | State |
| 2023-03-23 | HONEYWELL AEROSPACE US LLC | Pass | State |
| 2023-03-23 | HONEYWELL AEROSPACE US LLC | Pass | State |
| 2023-03-22 | HONEYWELL AEROSPACE US LLC | Pass | State |
| 2023-03-22 | HONEYWELL AEROSPACE US LLC | Pass | State |
| 2023-03-22 | HONEYWELL AEROSPACE US LLC | Pass | State |
| 2023-03-22 | HONEYWELL AEROSPACE US LLC | Pass | State |
| 2023-03-21 | HONEYWELL AEROSPACE US LLC | Pass | State |
| 2023-03-21 | HONEYWELL AEROSPACE US LLC | Pass | State |
| 2023-03-21 | HONEYWELL AEROSPACE US LLC | Pass | State |
| 2023-03-21 | HONEYWELL AEROSPACE US LLC | Pass | State |
| 2023-02-25 | ST. JOSEPH ENERGY CENTER LLC — high-priority violation on file | Pass | State |
| 2023-02-25 | ST. JOSEPH ENERGY CENTER LLC — high-priority violation on file | Pass | State |
| 2023-02-23 | ST. JOSEPH ENERGY CENTER LLC — high-priority violation on file | Pass | State |
| 2023-02-23 | ST. JOSEPH ENERGY CENTER LLC — high-priority violation on file | Pass | State |
| 2023-02-23 | ST. JOSEPH ENERGY CENTER LLC — high-priority violation on file | Pass | State |
| 2023-02-23 | ST. JOSEPH ENERGY CENTER LLC — high-priority violation on file | Pass | State |
| 2023-02-23 | ST. JOSEPH ENERGY CENTER LLC — high-priority violation on file | Pass | State |
| 2023-02-22 | ST. JOSEPH ENERGY CENTER LLC — high-priority violation on file | Pass | State |
| 2023-02-22 | ST. JOSEPH ENERGY CENTER LLC — high-priority violation on file | Pass | State |
| 2023-02-22 | ST. JOSEPH ENERGY CENTER LLC — high-priority violation on file | Pass | State |
| 2023-02-22 | ST. JOSEPH ENERGY CENTER LLC — high-priority violation on file | Pass | State |
| 2023-02-22 | ST. JOSEPH ENERGY CENTER LLC — 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.