EPA Air · stack tests by county and year
Air-emissions stack tests in Warrick County, Indiana, 2025
- 40Stack 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 Warrick 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 Warrick County facility page.
Warrick County, Indiana, 2025
Air-emissions stack tests in Warrick County, other years
Air-emissions stack tests recorded in Warrick County, Indiana, 2025
| Date | Facility | Kind | Agency |
|---|---|---|---|
| 2025-12-31 | WARRICK NEWCO LLC — high-priority violation on file | Fail | State |
| 2025-12-31 | WARRICK NEWCO LLC — high-priority violation on file | Fail | State |
| 2025-12-31 | WARRICK NEWCO LLC — high-priority violation on file | Fail | State |
| 2025-11-25 | ALCOA POWER GENERATING INC WARRICK POWER PLANT — high-priority violation on file | Pass | State |
| 2025-10-07 | WARRICK NEWCO LLC — high-priority violation on file | Pass | State |
| 2025-09-30 | ALCOA POWER GENERATING INC WARRICK POWER PLANT — high-priority violation on file | Pass | State |
| 2025-09-30 | ALCOA POWER GENERATING INC WARRICK POWER PLANT — high-priority violation on file | Pass | State |
| 2025-09-30 | ALCOA POWER GENERATING INC WARRICK POWER PLANT — high-priority violation on file | Pass | State |
| 2025-09-30 | ALCOA POWER GENERATING INC WARRICK POWER PLANT — high-priority violation on file | Pass | State |
| 2025-09-29 | ALCOA POWER GENERATING INC WARRICK POWER PLANT — high-priority violation on file | Pass | State |
| 2025-09-29 | ALCOA POWER GENERATING INC WARRICK POWER PLANT — high-priority violation on file | Pass | State |
| 2025-09-29 | ALCOA POWER GENERATING INC WARRICK POWER PLANT — high-priority violation on file | Pass | State |
| 2025-09-29 | ALCOA POWER GENERATING INC WARRICK POWER PLANT — high-priority violation on file | Pass | State |
| 2025-08-29 | SIGECO - FB CULLEY GENERATING STATION | Pass | State |
| 2025-08-27 | SIGECO - FB CULLEY GENERATING STATION | Pass | State |
| 2025-08-15 | KAISER ALUMINUM WARRICK LLC — high-priority violation on file | Pass | State |
| 2025-08-15 | KAISER ALUMINUM WARRICK LLC — high-priority violation on file | Pass | State |
| 2025-08-15 | KAISER ALUMINUM WARRICK LLC — high-priority violation on file | Pass | State |
| 2025-08-15 | KAISER ALUMINUM WARRICK LLC — high-priority violation on file | Pass | State |
| 2025-08-11 | ALCOA POWER GENERATING INC WARRICK POWER PLANT — high-priority violation on file | Pass | State |
| 2025-08-04 | ALCOA POWER GENERATING INC WARRICK POWER PLANT — high-priority violation on file | Fail | State |
| 2025-08-04 | ALCOA POWER GENERATING INC WARRICK POWER PLANT — high-priority violation on file | Pass | State |
| 2025-08-04 | ALCOA POWER GENERATING INC WARRICK POWER PLANT — high-priority violation on file | Fail | State |
| 2025-07-17 | SIGECO - FB CULLEY GENERATING STATION | Pass | State |
| 2025-06-30 | WARRICK NEWCO LLC — high-priority violation on file | Fail | State |
| 2025-06-30 | WARRICK NEWCO LLC — high-priority violation on file | Fail | State |
| 2025-06-20 | ALCOA POWER GENERATING INC WARRICK POWER PLANT — high-priority violation on file | Pass | State |
| 2025-06-20 | WARRICK NEWCO LLC — high-priority violation on file | Fail | State |
| 2025-05-30 | SIGECO - FB CULLEY GENERATING STATION | Pass | State |
| 2025-05-22 | WARRICK NEWCO LLC — high-priority violation on file | Pass | State |
| 2025-05-22 | WARRICK NEWCO LLC — high-priority violation on file | Pass | State |
| 2025-05-22 | WARRICK NEWCO LLC — high-priority violation on file | Pass | State |
| 2025-05-22 | WARRICK NEWCO LLC — high-priority violation on file | Pass | State |
| 2025-04-17 | KAISER ALUMINUM WARRICK LLC — high-priority violation on file | Pass | State |
| 2025-04-17 | KAISER ALUMINUM WARRICK LLC — high-priority violation on file | Pass | State |
| 2025-04-17 | KAISER ALUMINUM WARRICK LLC — high-priority violation on file | Pass | State |
| 2025-04-17 | KAISER ALUMINUM WARRICK LLC — high-priority violation on file | Pass | State |
| 2025-04-17 | KAISER ALUMINUM WARRICK LLC — high-priority violation on file | Pass | State |
| 2025-03-25 | KAISER ALUMINUM WARRICK LLC — high-priority violation on file | Pass | State |
| 2025-01-28 | ALCOA POWER GENERATING INC WARRICK POWER PLANT — 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.
What this page shows
This page covers Clean Air Act facilities in the EPA air register with stack tests in Warrick county, IN, for 2025. It lists 40 stack tests recorded in 2025.