EPA Air · stack tests by county and year
Air-emissions stack tests in Columbia County, Wisconsin, 2025
- 9Stack 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 Columbia County, Wisconsin 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 Columbia County facility page.
Columbia County, Wisconsin, 2025
Air-emissions stack tests in Columbia County, other years
Air-emissions stack tests recorded in Columbia County, Wisconsin, 2025
| Date | Facility | Kind | Agency |
|---|---|---|---|
| 2025-10-01 | AMERICAN PACKAGING CORP | Pass | State |
| 2025-07-01 | CARDINAL FG | Pass | State |
| 2025-05-12 | ALLIANT ENERGY - WPL - COLUMBIA ENERGY CENTER | Pass | State |
| 2025-05-12 | ALLIANT ENERGY - WPL - COLUMBIA ENERGY CENTER | Pass | State |
| 2025-05-07 | ALLIANT ENERGY - WPL - COLUMBIA ENERGY CENTER | Pass | State |
| 2025-05-06 | ALLIANT ENERGY - WPL - COLUMBIA ENERGY CENTER | Pass | State |
| 2025-03-24 | UNITED WISCONSIN GRAIN PRODUCERS, LLC — high-priority violation on file | Fail | State |
| 2025-02-11 | ALLIANT ENERGY - WPL - COLUMBIA ENERGY CENTER | Pass | State |
| 2025-01-08 | UNITED WISCONSIN GRAIN PRODUCERS, 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.