EPA Air · stack tests by county and year
Air-emissions stack tests in Fond du Lac County, Wisconsin, 2025
- 7Stack 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 Fond du Lac 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 Fond du Lac County facility page.
Fond du Lac County, Wisconsin, 2025
Air-emissions stack tests in Fond du Lac County, other years
Air-emissions stack tests recorded in Fond du Lac County, Wisconsin, 2025
| Date | Facility | Kind | Agency |
|---|---|---|---|
| 2025-09-23 | GRAYMONT WESTERN LIME - EDEN | Pass | State |
| 2025-08-24 | ROSENDALE RENEWABLE ENERGY, LLC | Pass | State |
| 2025-08-21 | FLINT HILLS RESOURCES PINE BEND LLC - WAUPUN FACILITY | Pass | State |
| 2025-06-17 | WPL-SOUTH FOND DU LAC COMBUSTION TURBINE SITE | Pass | State |
| 2025-04-08 | FLINT HILLS RESOURCES PINE BEND LLC - WAUPUN FACILITY | Pass | State |
| 2025-04-01 | WPL-SOUTH FOND DU LAC COMBUSTION TURBINE SITE | Pass | State |
| 2025-03-06 | GRAYMONT WESTERN LIME - EDEN | Pass | State |
Dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.