EPA Air · inspections by state and year
Air-emissions inspections in Wisconsin, 2026
- 515Inspections
A compliance evaluation is the on-site or file review a state, local or federal air agency records against a permitted source. Every inspection below was recorded against a source in Wisconsin during 2026; one facility can appear more than once, because this is a record of what happened rather than a list of places.
Counties in Wisconsin, 2026
- Monroe County 78
- Marathon County 43
- Brown County 41
- Douglas County 25
- Taylor County 22
- Ozaukee County 20
- Dane County 19
- Manitowoc County 17
- Jefferson County 17
- Menominee County 17
- Marinette County 16
- Waushara County 15
- Lincoln County 14
- Rusk County 14
- Eau Claire County 10
- Barron County 9
- Waupaca County 9
- Milwaukee County 8
- Chippewa County 7
- Richland County 7
- Wood County 6
- Waukesha County 6
- Fond du Lac County 6
- Columbia County 6
- Outagamie County 6
- La Crosse County 6
- Oconto County 5
- Sheboygan County 5
- Price County 5
- Oneida County 5
- Ashland County 5
- Pepin County 4
- Green County 4
- Calumet County 4
- Portage County 3
- Juneau County 3
- Kewaunee County 3
- Dunn County 3
- Grant County 3
Wisconsin, other years
Air-emissions inspections recorded in Wisconsin, 2026
| Date | Facility | Where | Kind | Agency |
|---|---|---|---|---|
| 2026-03-31 | MILWAUKEE REGIONAL MEDICAL CENTER WATER SERVICE, INC. | MILWAUKEE, Monroe, WI | FCE On-Site | State |
| 2026-03-31 | MRMC - FORENSIC SCIENCE BUILDING | WAUWAUTOSA, Monroe, WI | FCE On-Site | State |
| 2026-03-31 | CURATIVE CARE | MILWAUKEE, Monroe, WI | FCE On-Site | State |
| 2026-03-31 | CHILDREN'S WISCONSIN | WAUWATOSA, Monroe, WI | FCE On-Site | State |
| 2026-03-31 | VERSITI WISCONSIN, INC. | MILWAUKEE, Monroe, WI | FCE On-Site | State |
| 2026-03-31 | FROEDTERT HOSPITAL | MILWAUKEE, Monroe, WI | FCE On-Site | State |
| 2026-03-31 | WPL - RIVERSIDE ENERGY CENTER | BELOIT, Rusk, WI | PCE Off-Site | State |
| 2026-03-31 | DISCOVERY ENERGY LLC | MOSEL, Taylor, WI | FCE On-Site | State |
| 2026-03-31 | DOMTAR AW LLC — high-priority violation on file | NEKOOSA, Menominee, WI | FCE On-Site | State |
| 2026-03-29 | WISCONSIN ELECTRIC POWER COMPANY (DBA WE ENERGIES) - ROTHSCHILD BIOMASS COGENERA — high-priority violation on file | ROTHSCHILD, Marathon, WI | PCE Off-Site | State |
| 2026-03-24 | AMCOR WISCONSIN, LLC - BOSCOBEL — high-priority violation on file | BOSCOBEL, Grant, WI | PCE Off-Site | State |
| 2026-03-24 | BUCKHORN RNG, LLC | UNITY, Marathon, WI | FCE On-Site | State |
| 2026-03-24 | UNITED ETHANOL LLC | MILTON, Rusk, WI | FCE On-Site | State |
| 2026-03-24 | DOMTAR AW LLC — high-priority violation on file | NEKOOSA, Menominee, WI | PCE Off-Site | State |
| 2026-03-20 | WISCONSIN RAPIDS MILL | WISCONSIN RAPIDS, Menominee, WI | PCE Off-Site | State |
| 2026-03-19 | GREEN BAY METRO SEWERAGE DIST | GREEN BAY, Brown, WI | PCE Off-Site | State |
| 2026-03-19 | WISCONSIN PUBLIC SERVICE CORP - DE PERE | DE PERE, Brown, WI | PCE Off-Site | State |
| 2026-03-19 | MERCURY MARINE - PLANTS 3,4,10,12,15,17, | FOND DU LAC, Fond du Lac, WI | PCE Off-Site | State |
| 2026-03-19 | MERCURY MARINE - PLANT 36 | FOND DU LAC, Fond du Lac, WI | PCE Off-Site | State |
| 2026-03-19 | B & B METALS PROCESSING CO INC | NEWTON, Manitowoc, WI | PCE Off-Site | State |
| 2026-03-19 | MATERION ADVANCED CHEMICALS INC. | MILWAUKEE, Milwaukee, WI | FCE On-Site | State |
| 2026-03-19 | MILLER ELECTRIC MFG CO | APPLETON, Ozaukee, WI | PCE Off-Site | State |
| 2026-03-19 | WAUPACA FOUNDRY INC - PLANT 2 & 3 | WAUPACA, Waushara, WI | PCE Off-Site | State |
| 2026-03-18 | LA CROSSE COUNTY SOLID WASTE MANAGEMENT FACILITY | LA CROSSE, La Crosse, WI | PCE Off-Site | State |
| 2026-03-18 | WINNEBAGO COUNTY LANDFILL | OSHKOSH, Wood, WI | PCE Off-Site | State |
| 2026-03-17 | KADANT GRANTEK INC. | GREEN BAY, Brown, WI | FCE On-Site | State |
| 2026-03-17 | BRIESS INDUSTRIES INC — high-priority violation on file | MANITOWOC, Manitowoc, WI | FCE On-Site | State |
| 2026-03-17 | STERLING WISCONSIN LLC | GERMANTOWN, Waukesha, WI | PCE Off-Site | State |
| 2026-03-13 | WI PUBLIC SERVICE WESTON POWER PLANT | KRONENWETTER, Marathon, WI | FCE On-Site | State |
| 2026-03-12 | 3M CUMBERLAND FACILITY | CUMBERLAND, Barron, WI | PCE Off-Site | State |
| 2026-03-12 | IMPERIAL INDUSTRIES, INC. | WAUSAU, Marathon, WI | PCE Off-Site | State |
| 2026-03-12 | MARATHON COUNTY LANDFILL | RINGLE, Marathon, WI | PCE Off-Site | State |
| 2026-03-12 | NEENAH PAPER - WHITING MILL | STEVENS POINT, Portage, WI | PCE Off-Site | State |
| 2026-03-12 | LAKE AREA DISPOSAL LANDFILL | SARONA, Washburn, WI | PCE Off-Site | State |
| 2026-03-12 | METALTEK INTL WIS CENTRIFUGAL DIV | WAUKESHA, Waupaca, WI | PCE Off-Site | State |
| 2026-03-12 | ADVANCED DISPOSAL SERVICES CRANBERRY CREEK LANDFILL LLC | WISCONSIN RAPIDS, Menominee, WI | PCE Off-Site | State |
| 2026-03-12 | MATALCO WISCONSIN LLC | WISCONSIN RAPIDS, Menominee, WI | PCE Off-Site | State |
| 2026-03-10 | HOLSUM DAIRY - ELM — high-priority violation on file | HILBERT, Calumet, WI | FCE On-Site | State |
| 2026-03-10 | GREDE LLC - LIBERTY — high-priority violation on file | WAUWATOSA, Monroe, WI | FCE On-Site | State |
| 2026-03-09 | RUBI HOLDING COMPANY, LLC — high-priority violation on file | MANITOWOC, Manitowoc, WI | FCE On-Site | State |
| 2026-03-03 | KADANT GRANTEK INC. | GREEN BAY, Brown, WI | PCE Off-Site | State |
| 2026-03-03 | HICKORY MEADOWS LANDFILL, LLC | HILBERT, Calumet, WI | PCE Off-Site | State |
| 2026-03-03 | WISCONSIN HEAVY FABRICATION | MANITOWOC, Manitowoc, WI | PCE Off-Site | State |
| 2026-03-02 | GENERAC POWER SYSTEMS, INC. - EAGLE | EAGLE, Waukesha, WI | PCE Off-Site | State |
| 2026-03-01 | PROAMPAC MENASHA — high-priority violation on file | MENASHA, Wood, WI | PCE Off-Site | State |
| 2026-02-27 | WRR ENVIRONMENTAL SERVICES CO INC — high-priority violation on file | EAU CLAIRE, Eau Claire, WI | PCE Off-Site | State |
| 2026-02-27 | AZTALAN BIO | JOHNSON CREEK, Jefferson, WI | PCE Off-Site | State |
| 2026-02-27 | WISCONSIN ELECTRIC POWER COMPANY (DBA WE ENERGIES) - ROTHSCHILD BIOMASS COGENERA — high-priority violation on file | ROTHSCHILD, Marathon, WI | PCE Off-Site | State |
| 2026-02-26 | DEER TRACK PARK LANDFILL | WATERTOWN, Jefferson, WI | PCE Off-Site | State |
| 2026-02-26 | FIBERPRO INC DBA ADVANCED FIBER PRODUCTS | LA CROSSE, La Crosse, WI | PCE Off-Site | State |
| 2026-02-26 | MULLINS CHEESE INC — high-priority violation on file | MOSINEE, Marathon, WI | PCE Off-Site | State |
| 2026-02-26 | DISCOVERY ENERGY LLC | MOSEL, Taylor, WI | PCE Off-Site | State |
| 2026-02-25 | GENERAC POWER SYSTEMS | JEFFERSON, Jefferson, WI | PCE Off-Site | State |
| 2026-02-25 | MADISON GAS AND ELECTRIC COMPANY - WEST MARINETTE FACILITY — high-priority violation on file | PESHTIGO, Marinette, WI | PCE Off-Site | State |
| 2026-02-25 | GENERAC POWER SYSTEMS -WHITEWATER | WHITEWATER, Walworth, WI | PCE Off-Site | State |
| 2026-02-24 | U.S. ENERGY GREEN BAY BYLSBY TERMINAL | GREEN BAY, Brown, WI | PCE Off-Site | State |
| 2026-02-24 | VERITAS STEEL LLC | EAU CLAIRE, Chippewa, WI | PCE Off-Site | State |
| 2026-02-24 | ROCKGEN ENERGY CENTER — high-priority violation on file | CAMBRIDGE, Dane, WI | PCE Off-Site | State |
| 2026-02-24 | BADGER STATE ETHANOL, INC. — high-priority violation on file | MONROE, Green, WI | PCE Off-Site | State |
| 2026-02-24 | WI PUBLIC SERVICE WESTON POWER PLANT | KRONENWETTER, Marathon, WI | PCE Off-Site | State |
| 2026-02-24 | WISCONSIN PUBLIC SERVICE CORP-WEST MARIN | PESHTIGO, Marinette, WI | PCE Off-Site | State |
| 2026-02-24 | WISCONSIN PUBLIC SERVICE CORPORATION - F | KAUKAUNA, Outagamie, WI | PCE Off-Site | State |
| 2026-02-24 | CUSTOM FIBERGLASS MOLDING | WEYAUWEGA, Waushara, WI | PCE Off-Site | State |
| 2026-02-24 | PIERCE MFG INC — high-priority violation on file | APPLETON, Wood, WI | PCE Off-Site | State |
| 2026-02-23 | HARLEY DAVIDSON MOTOR COMPANY-TOMAHAWK S | TOMAHAWK, Lincoln, WI | PCE Off-Site | State |
| 2026-02-23 | HARLEY DAVIDSON-TOMAHAWK | TOMAHAWK, Lincoln, WI | PCE Off-Site | State |
| 2026-02-23 | WI PUBLIC SERVICE WESTON POWER PLANT | KRONENWETTER, Marathon, WI | PCE Off-Site | State |
| 2026-02-23 | 3M CO WAUSAU PLT — high-priority violation on file | WAUSAU, Marathon, WI | FCE On-Site | State |
| 2026-02-23 | WISCONSIN ELECTRIC POWER COMPANY (DBA WE ENERGIES) - ROTHSCHILD BIOMASS COGENERA — high-priority violation on file | ROTHSCHILD, Marathon, WI | PCE Off-Site | State |
| 2026-02-23 | WE ENERGIES-OAK CREEK POWER PLANT — high-priority violation on file | OAK CREEK, Monroe, WI | PCE Off-Site | State |
| 2026-02-23 | MILLER COMPRESSING | MILWAUKEE, Milwaukee, WI | PCE On-Site | U.S. EPA |
| 2026-02-20 | CARFAIR COMPOSITES USA INC — high-priority violation on file | GILLETT, Oneida, WI | PCE Off-Site | State |
| 2026-02-20 | WPL - RIVERSIDE ENERGY CENTER | BELOIT, Rusk, WI | PCE Off-Site | State |
| 2026-02-19 | WISCONSIN ELECTRIC POWER COMPANY, D/B/A | WATERTOWN, Jefferson, WI | PCE Off-Site | State |
| 2026-02-18 | WE ENERGIES - VALLEY POWER PLANT | MILWAUKEE, Monroe, WI | PCE Off-Site | State |
| 2026-02-18 | WE ENERGIES - WHITEWATER GENERATING STATION | WHITEWATER, Jefferson, WI | PCE Off-Site | State |
| 2026-02-17 | WE ENERGIES PORT WASHINGTON GENERATING STATION | PORT WASHINGTON, Pepin, WI | FCE On-Site | State |
| 2026-02-17 | WPL - EDGEWATER GENERATING STATION | SHEBOYGAN, Taylor, WI | PCE Off-Site | State |
| 2026-02-13 | WISCONSIN ALUMINUM FOUNDRY — high-priority violation on file | MANITOWOC, Manitowoc, WI | PCE Off-Site | State |
| 2026-02-12 | AHLSTROM NA SPECIALTY SOLUTIONS LLC — high-priority violation on file | KAUKAUNA, Ozaukee, WI | PCE Off-Site | State |
| 2026-02-11 | AHLSTROM NA SPECIALTY SOLUTIONS LLC — high-priority violation on file | KAUKAUNA, Ozaukee, WI | PCE Off-Site | State |
| 2026-02-10 | ECK INDUSTRIES INC | MANITOWOC, Manitowoc, WI | FCE On-Site | State |
| 2026-02-10 | PPG INDUSTRIES — high-priority violation on file | OAK CREEK, Monroe, WI | PCE Off-Site | State |
| 2026-02-09 | UW MADISON CHARTER STREET HEATING PLANT (DOA) | MADISON, Dane, WI | PCE Off-Site | State |
| 2026-02-09 | WE ENERGIES PORT WASHINGTON GENERATING STATION | PORT WASHINGTON, Pepin, WI | PCE Off-Site | State |
| 2026-02-06 | CARDINAL FG COMPANY | MENOMONIE, Dunn, WI | PCE Off-Site | State |
| 2026-02-06 | UNITED ENERGY NECEDAH LLC — high-priority violation on file | NECEDAH, Juneau, WI | PCE Off-Site | State |
| 2026-02-06 | 3M CO - GREYSTONE — high-priority violation on file | WAUSAU, Marathon, WI | PCE Off-Site | State |
| 2026-02-06 | WI PUBLIC SERVICE WESTON POWER PLANT | KRONENWETTER, Marathon, WI | PCE Off-Site | State |
| 2026-02-06 | KOHLER CO - METALS PROCESSING COMPLEX | KOHLER, Taylor, WI | PCE Off-Site | State |
| 2026-02-06 | WAUPACA FOUNDRY INC - PLANT 1 | WAUPACA, Waushara, WI | PCE Off-Site | State |
| 2026-02-06 | MATALCO WISCONSIN LLC | WISCONSIN RAPIDS, Menominee, WI | PCE Off-Site | State |
| 2026-02-05 | UNITED WISCONSIN GRAIN PRODUCERS, LLC — high-priority violation on file | FRIESLAND, Columbia, WI | PCE Off-Site | State |
| 2026-02-05 | WEST SHORE - GRANVILLE STATION (GT) | MILWAUKEE, Monroe, WI | PCE Off-Site | State |
| 2026-02-05 | FULL CYCLE ENTERPRISES LLC — high-priority violation on file | OAK CREEK, Undetermined, WI | FCE On-Site | State |
| 2026-02-04 | GREEN BAY PACKAGING INC - GB MILL DIV | GREEN BAY, Brown, WI | PCE Off-Site | State |
| 2026-02-04 | WI PUBLIC SERVICE CORP - JP PULLIAM PLANT | GREEN BAY, Brown, WI | PCE Off-Site | State |
| 2026-02-04 | CARBOLINE GLOBAL INC | GREEN BAY, Brown, WI | PCE Off-Site | State |
| 2026-02-04 | NEENAH FOUNDRY COMPANY - DE PERE OPERATIONS | DE PERE, Brown, WI | PCE Off-Site | State |
| 2026-02-04 | GRAYMONT WESTERN LIME INC — high-priority violation on file | GREEN BAY, Brown, WI | PCE Off-Site | State |
Dates as filed by the agency that recorded the inspection. Figures from EPA’s ICIS-AIR download.