EPA Air · stack tests by state, industry and year
Utilities (NAICS 2211): stack tests in Wisconsin, 2025
- 89Stack tests
A stack test measures what a source actually emits, at the stack, against the limit in its permit. Each row is one stack test recorded during 2025 at a Wisconsin source whose primary industry code is NAICS 2211. A facility filing more than one industry code is counted under the first one on its record.
Utilities (NAICS 2211) in Wisconsin, other years
Other industries in Wisconsin, 2025
- Paper manufacturing (NAICS 3221) 21
- Primary metal manufacturing (NAICS 3315) 20
- Petroleum and coal products manufacturing (NAICS 3241) 12
- Chemical manufacturing (NAICS 3251) 10
- Waste management and remediation (NAICS 5622) 8
- Printing and related support (NAICS 3231) 7
- Utilities (NAICS 2212) 7
- Utilities (NAICS 2213) 7
- Educational services (NAICS 6113) 6
- Nonmetallic mineral product manufacturing (NAICS 3274) 6
- Merchant wholesalers, nondurable goods (NAICS 4247) 5
- Pipeline transportation (NAICS 4862) 5
- Nonmetallic mineral product manufacturing (NAICS 3271) 4
- Nonmetallic mineral product manufacturing (NAICS 3272) 4
- Paper manufacturing (NAICS 3222) 4
- Plastics and rubber products manufacturing (NAICS 3261) 4
- Food manufacturing (NAICS 3119) 3
- Food manufacturing (NAICS 3115) 3
Air-emissions stack tests recorded in Wisconsin, 2025
| Date | Facility | Where | Kind | Agency |
|---|---|---|---|---|
| 2025-12-19 | CUMBERLAND MUNICIPAL UTILITY | CUMBERLAND, Barron, WI | Pass | State |
| 2025-12-09 | GREEN MEADOWS RNG, LLC | CHILTON, Calumet, WI | Pass | State |
| 2025-11-11 | XCEL ENERGY - FRENCH ISLAND GENERATING PLANT | LA CROSSE, La Crosse, WI | Pass | State |
| 2025-10-27 | WISCONSIN ELECTRIC POWER COMPANY D/B/A WE ENERGIES-PARIS GENERATING STATION | UNION GROVE, Kenosha, WI | Pass | State |
| 2025-10-27 | WISCONSIN ELECTRIC POWER COMPANY D/B/A WE ENERGIES-PARIS GENERATING STATION | UNION GROVE, Kenosha, WI | Pass | State |
| 2025-10-20 | WI PUBLIC SERVICE WESTON POWER PLANT | KRONENWETTER, Marathon, WI | Pass | State |
| 2025-10-20 | WI PUBLIC SERVICE WESTON POWER PLANT | KRONENWETTER, Marathon, WI | Pass | State |
| 2025-10-14 | MANITOWOC PUBLIC UTILITIES | MANITOWOC, Manitowoc, WI | Pass | State |
| 2025-10-10 | WPL - SHEBOYGAN FALLS ENERGY FACILITY | PLYMOUTH, Taylor, WI | Pass | State |
| 2025-10-09 | ELROY MUNICIPAL ELECTRIC UTILITY (EMEU) | ELROY, Juneau, WI | Pass | State |
| 2025-10-09 | WPL - NEENAH GENERATING FACILITY — high-priority violation on file | NEENAH, Winnebago, WI | Pass | State |
| 2025-10-06 | WPL - SHEBOYGAN FALLS ENERGY FACILITY | PLYMOUTH, Taylor, WI | Pass | State |
| 2025-10-06 | WPL - NEENAH GENERATING FACILITY — high-priority violation on file | NEENAH, Winnebago, WI | Pass | State |
| 2025-09-30 | WISCONSIN ELECTRIC POWER COMPANY (DBA WE ENERGIES) - ROTHSCHILD BIOMASS COGENERA — high-priority violation on file | ROTHSCHILD, Marathon, WI | Pass | State |
| 2025-09-29 | ARCADIA MUNICIPAL ELECTRIC | ARCADIA, Vernon, WI | Pass | State |
| 2025-09-23 | CUMBERLAND MUNICIPAL UTILITY | CUMBERLAND, Barron, WI | Pass | State |
| 2025-09-23 | ROCKGEN ENERGY CENTER — high-priority violation on file | CAMBRIDGE, Dane, WI | Pass | State |
| 2025-09-17 | NEW LISBON ELECTRIC & WATER DEPT | NEW LISBON, Juneau, WI | Pass | State |
| 2025-09-15 | NORTHERN STATES PWR CO WHEATON GEN STA | EAU CLAIRE, Chippewa, WI | Pass | State |
| 2025-08-27 | XCEL ENERGY - FRENCH ISLAND GENERATING PLANT | LA CROSSE, La Crosse, WI | Pass | State |
| 2025-08-26 | MG&E WEST CAMPUS COGENERATION FTY | MADISON, Dane, WI | Pass | State |
| 2025-08-24 | ROSENDALE RENEWABLE ENERGY, LLC | ROSENDALE, Fond du Lac, WI | Pass | State |
| 2025-08-20 | DAIRYLAND POWER COOP ALMA SITE | ALMA, Buffalo, WI | Pass | State |
| 2025-08-19 | BUCKHORN RNG, LLC | UNITY, Marathon, WI | Pass | State |
| 2025-08-12 | WISCONSIN ELECTRIC POWER COMPANY (DBA WE ENERGIES) - ROTHSCHILD BIOMASS COGENERA — high-priority violation on file | ROTHSCHILD, Marathon, WI | Pass | State |
| 2025-08-07 | WPL - EDGEWATER GENERATING STATION | SHEBOYGAN, Taylor, WI | Pass | State |
| 2025-08-06 | WE ENERGIES - WHITEWATER GENERATING STATION | WHITEWATER, Jefferson, WI | Pass | State |
| 2025-08-05 | XCEL ENERGY BAY FRONT GENERATING STATION | ASHLAND, Ashland, WI | Pass | State |
| 2025-08-05 | WI PUBLIC SERVICE CORP - JP PULLIAM PLANT | GREEN BAY, Brown, WI | Pass | State |
| 2025-08-05 | WISCONSIN PUBLIC SERVICE CORP-WEST MARIN | PESHTIGO, Marinette, WI | Pass | State |
| 2025-08-04 | WPL - EDGEWATER GENERATING STATION | SHEBOYGAN, Taylor, WI | Pass | State |
| 2025-07-28 | MANITOWOC PUBLIC UTILITIES | MANITOWOC, Manitowoc, WI | Pass | State |
| 2025-07-25 | WE ENERGIES-OAK CREEK POWER PLANT — high-priority violation on file | OAK CREEK, Monroe, WI | Pass | State |
| 2025-07-25 | WE ENERGIES-OAK CREEK POWER PLANT — high-priority violation on file | OAK CREEK, Monroe, WI | Pass | State |
| 2025-07-23 | WE ENERGIES-OAK CREEK POWER PLANT — high-priority violation on file | OAK CREEK, Monroe, WI | Pass | State |
| 2025-07-23 | WE ENERGIES-OAK CREEK POWER PLANT — high-priority violation on file | OAK CREEK, Monroe, WI | Pass | State |
| 2025-07-22 | WE ENERGIES-OAK CREEK POWER PLANT — high-priority violation on file | OAK CREEK, Monroe, WI | Pass | State |
| 2025-07-22 | WE ENERGIES-OAK CREEK POWER PLANT — high-priority violation on file | OAK CREEK, Monroe, WI | Pass | State |
| 2025-07-14 | WI PUBLIC SERVICE WESTON POWER PLANT | KRONENWETTER, Marathon, WI | Pass | State |
| 2025-07-14 | WI PUBLIC SERVICE WESTON POWER PLANT | KRONENWETTER, Marathon, WI | Pass | State |
| 2025-07-14 | WI PUBLIC SERVICE WESTON POWER PLANT | KRONENWETTER, Marathon, WI | Pass | State |
| 2025-07-14 | WI PUBLIC SERVICE WESTON POWER PLANT | KRONENWETTER, Marathon, WI | Pass | State |
| 2025-07-14 | WPL - NEENAH GENERATING FACILITY — high-priority violation on file | NEENAH, Winnebago, WI | Pass | State |
| 2025-07-09 | WE ENERGIES-OAK CREEK POWER PLANT — high-priority violation on file | OAK CREEK, Monroe, WI | Pass | State |
| 2025-07-08 | WE ENERGIES-OAK CREEK POWER PLANT — high-priority violation on file | OAK CREEK, Monroe, WI | Pass | State |
| 2025-07-07 | DAIRYLAND POWER COOP ALMA SITE | ALMA, Buffalo, WI | Pass | State |
| 2025-07-07 | WE ENERGIES-OAK CREEK POWER PLANT — high-priority violation on file | OAK CREEK, Monroe, WI | Pass | State |
| 2025-07-07 | WE ENERGIES-OAK CREEK POWER PLANT — high-priority violation on file | OAK CREEK, Monroe, WI | Pass | State |
| 2025-06-25 | WE ENERGIES - VALLEY POWER PLANT | MILWAUKEE, Monroe, WI | Pass | State |
| 2025-06-25 | WPL - RIVERSIDE ENERGY CENTER | BELOIT, Rusk, WI | Pass | State |
| 2025-06-24 | MG&E WEST CAMPUS COGENERATION FTY | MADISON, Dane, WI | Pass | State |
| 2025-06-24 | WPL - RIVERSIDE ENERGY CENTER | BELOIT, Rusk, WI | Pass | State |
| 2025-06-24 | WPL - RIVERSIDE ENERGY CENTER | BELOIT, Rusk, WI | Pass | State |
| 2025-06-24 | WPL - RIVERSIDE ENERGY CENTER | BELOIT, Rusk, WI | Pass | State |
| 2025-06-19 | DAIRYLAND POWER COOP ALMA SITE | ALMA, Buffalo, WI | Pass | State |
| 2025-06-17 | DAIRYLAND POWER COOP ALMA SITE | ALMA, Buffalo, WI | Pass | State |
| 2025-06-17 | WPL-SOUTH FOND DU LAC COMBUSTION TURBINE SITE | FOND DU LAC, Fond du Lac, WI | Pass | State |
| 2025-06-17 | WPL - RIVERSIDE ENERGY CENTER | BELOIT, Rusk, WI | Pass | State |
| 2025-06-16 | WISCONSIN PUBLIC SERVICE CORPORATION - F | KAUKAUNA, Outagamie, WI | Pass | State |
| 2025-06-04 | WPL - SHEBOYGAN FALLS ENERGY FACILITY | PLYMOUTH, Taylor, WI | Pass | State |
| 2025-06-03 | XCEL ENERGY - FRENCH ISLAND GENERATING PLANT | LA CROSSE, La Crosse, WI | Fail | State |
| 2025-06-03 | WPL - SHEBOYGAN FALLS ENERGY FACILITY | PLYMOUTH, Taylor, WI | Pass | State |
| 2025-06-03 | WPL - SHEBOYGAN FALLS ENERGY FACILITY | PLYMOUTH, Taylor, WI | Pass | State |
| 2025-06-03 | WE ENERGIES - WHITEWATER GENERATING STATION | WHITEWATER, Jefferson, WI | Pass | State |
| 2025-06-03 | WE ENERGIES - WHITEWATER GENERATING STATION | WHITEWATER, Jefferson, WI | Pass | State |
| 2025-05-21 | AMERESCO JANESVILLE LLC | JANESVILLE, Rusk, WI | Pass | State |
| 2025-05-20 | WE ENERGIES PORT WASHINGTON GENERATING STATION | PORT WASHINGTON, Pepin, WI | Pass | State |
| 2025-05-12 | ALLIANT ENERGY - WPL - COLUMBIA ENERGY CENTER | PARDEEVILLE, Columbia, WI | Pass | State |
| 2025-05-12 | ALLIANT ENERGY - WPL - COLUMBIA ENERGY CENTER | PARDEEVILLE, Columbia, WI | Pass | State |
| 2025-05-12 | WISCONSIN ELECTRIC POWER COMPANY D/B/A WE ENERGIES-PARIS GENERATING STATION | UNION GROVE, Kenosha, WI | N/A | State |
| 2025-05-12 | WI PUBLIC SERVICE WESTON POWER PLANT | KRONENWETTER, Marathon, WI | Pass | State |
| 2025-05-12 | WI PUBLIC SERVICE WESTON POWER PLANT | KRONENWETTER, Marathon, WI | Pass | State |
| 2025-05-12 | WI PUBLIC SERVICE WESTON POWER PLANT | KRONENWETTER, Marathon, WI | Pass | State |
| 2025-05-12 | WI PUBLIC SERVICE WESTON POWER PLANT | KRONENWETTER, Marathon, WI | Pass | State |
| 2025-05-12 | WI PUBLIC SERVICE WESTON POWER PLANT | KRONENWETTER, Marathon, WI | Pass | State |
| 2025-05-07 | ALLIANT ENERGY - WPL - COLUMBIA ENERGY CENTER | PARDEEVILLE, Columbia, WI | Pass | State |
| 2025-05-06 | ALLIANT ENERGY - WPL - COLUMBIA ENERGY CENTER | PARDEEVILLE, Columbia, WI | Pass | State |
| 2025-05-05 | WE ENERGIES - VALLEY POWER PLANT | MILWAUKEE, Monroe, WI | Pass | State |
| 2025-04-14 | XCEL ENERGY - FRENCH ISLAND GENERATING PLANT | LA CROSSE, La Crosse, WI | Fail | State |
| 2025-04-14 | WISCONSIN PUBLIC SERVICE CORP-WEST MARIN | PESHTIGO, Marinette, WI | Pass | State |
| 2025-04-14 | WE ENERGIES-OAK CREEK POWER PLANT — high-priority violation on file | OAK CREEK, Monroe, WI | Pass | State |
| 2025-04-01 | WPL-SOUTH FOND DU LAC COMBUSTION TURBINE SITE | FOND DU LAC, Fond du Lac, WI | Pass | State |
| 2025-03-12 | XCEL ENERGY - FRENCH ISLAND GENERATING PLANT | LA CROSSE, La Crosse, WI | Pass | State |
| 2025-02-27 | XCEL ENERGY BAY FRONT GENERATING STATION | ASHLAND, Ashland, WI | Pass | State |
| 2025-02-20 | GREEN MEADOWS RNG, LLC | CHILTON, Calumet, WI | Pass | State |
| 2025-02-11 | ALLIANT ENERGY - WPL - COLUMBIA ENERGY CENTER | PARDEEVILLE, Columbia, WI | Pass | State |
| 2025-01-14 | WE ENERGIES-OAK CREEK POWER PLANT — high-priority violation on file | OAK CREEK, Monroe, WI | Pass | State |
| 2025-01-14 | WE ENERGIES-OAK CREEK POWER PLANT — high-priority violation on file | OAK CREEK, Monroe, WI | Pass | State |
| 2025-01-13 | MANITOWOC PUBLIC UTILITIES | MANITOWOC, Manitowoc, WI | Pass | State |
Primary NAICS code as filed on the facility record; 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 WI for NAICS industry 2211 in 2025. It lists 89 stack tests recorded in 2025.