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.