EPA Air · stack tests by county and year
Air-emissions stack tests in Monroe County, Wisconsin, 2025
- 25Stack 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 Monroe 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 Monroe County facility page.
Monroe County, Wisconsin, 2025
Air-emissions stack tests in Monroe County, other years
Air-emissions stack tests recorded in Monroe County, Wisconsin, 2025
| Date | Facility | Kind | Agency |
|---|---|---|---|
| 2025-11-19 | MOLSON COORS USA LLC | Pass | State |
| 2025-10-21 | GREDE LLC - LIBERTY — high-priority violation on file | Pass | State |
| 2025-09-29 | WMWI - METRO RECYCLING & DISPOSAL | Pass | State |
| 2025-09-09 | APPLETON GRP LLC — high-priority violation on file | Pass | State |
| 2025-08-19 | GREDE LLC - LIBERTY — high-priority violation on file | Pass | State |
| 2025-07-25 | WE ENERGIES-OAK CREEK POWER PLANT — high-priority violation on file | Pass | State |
| 2025-07-25 | WE ENERGIES-OAK CREEK POWER PLANT — high-priority violation on file | Pass | State |
| 2025-07-23 | WE ENERGIES-OAK CREEK POWER PLANT — high-priority violation on file | Pass | State |
| 2025-07-23 | WE ENERGIES-OAK CREEK POWER PLANT — high-priority violation on file | Pass | State |
| 2025-07-22 | WE ENERGIES-OAK CREEK POWER PLANT — high-priority violation on file | Pass | State |
| 2025-07-22 | WE ENERGIES-OAK CREEK POWER PLANT — high-priority violation on file | Pass | State |
| 2025-07-09 | WE ENERGIES-OAK CREEK POWER PLANT — high-priority violation on file | Pass | State |
| 2025-07-08 | WE ENERGIES-OAK CREEK POWER PLANT — high-priority violation on file | Pass | State |
| 2025-07-07 | WE ENERGIES-OAK CREEK POWER PLANT — high-priority violation on file | Pass | State |
| 2025-07-07 | WE ENERGIES-OAK CREEK POWER PLANT — high-priority violation on file | Pass | State |
| 2025-06-25 | WE ENERGIES - VALLEY POWER PLANT | Pass | State |
| 2025-05-16 | MMSD-JONES ISLAND WATER RECLAMATION FACILITY | Pass | State |
| 2025-05-06 | BRADY WORLDWIDE - FLORIST AVE PLT | Pass | State |
| 2025-05-05 | WE ENERGIES - VALLEY POWER PLANT | Pass | State |
| 2025-04-28 | MMSD-JONES ISLAND WATER RECLAMATION FACILITY | Pass | State |
| 2025-04-14 | WE ENERGIES-OAK CREEK POWER PLANT — high-priority violation on file | Pass | State |
| 2025-02-21 | MID-AMERICA STEEL DRUM COMPANY-CLCM — high-priority violation on file | Pass | U.S. EPA |
| 2025-02-18 | MID-AMERICA STEEL DRUM COMPANY-CLCM — high-priority violation on file | Fail | State |
| 2025-01-14 | WE ENERGIES-OAK CREEK POWER PLANT — high-priority violation on file | Pass | State |
| 2025-01-14 | WE ENERGIES-OAK CREEK 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.