EPA Air · inspections by county and year
Air-emissions inspections in Marathon County, Wisconsin, 2025
- 59Inspections
A compliance evaluation is the on-site or file review a state, local or federal air agency records against a permitted source. Each row below is one inspection recorded against a source in Marathon 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 Marathon County facility page.
Marathon County, Wisconsin, 2025
Air-emissions inspections in Marathon County, other years
Air-emissions inspections recorded in Marathon County, Wisconsin, 2025
| Date | Facility | Kind | Agency |
|---|---|---|---|
| 2025-12-04 | 3M CO - GREYSTONE — high-priority violation on file | FCE On-Site | State |
| 2025-11-13 | MARTH WOOD SHAVINGS SUPPLY INC — high-priority violation on file | PCE Off-Site | State |
| 2025-11-05 | 3M CO - GREYSTONE — high-priority violation on file | PCE Off-Site | State |
| 2025-11-04 | 3M CO - GREYSTONE — high-priority violation on file | PCE Off-Site | State |
| 2025-10-31 | WISCONSIN ELECTRIC POWER COMPANY (DBA WE ENERGIES) - ROTHSCHILD BIOMASS COGENERA — high-priority violation on file | PCE Off-Site | State |
| 2025-10-30 | AHLSTROM MOSINEE, LLC — high-priority violation on file | PCE Off-Site | State |
| 2025-10-28 | WI PUBLIC SERVICE WESTON POWER PLANT | PCE Off-Site | State |
| 2025-10-28 | WISCONSIN ELECTRIC POWER COMPANY (DBA WE ENERGIES) - ROTHSCHILD BIOMASS COGENERA — high-priority violation on file | PCE Off-Site | State |
| 2025-10-23 | MARTH WOOD SHAVINGS SUPPLY INC — high-priority violation on file | PCE Off-Site | State |
| 2025-10-20 | DOMTAR PAPER CO LLC | PCE Off-Site | State |
| 2025-09-10 | KOLBE & KOLBE MILLWORK CO INC | FCE On-Site | State |
| 2025-09-10 | KOLBE RIVERSIDE | FCE On-Site | State |
| 2025-08-20 | GPI CORP | FCE On-Site | State |
| 2025-07-28 | MULLINS CHEESE INC — high-priority violation on file | PCE Off-Site | State |
| 2025-07-24 | VERITAS STEEL LLC | FCE On-Site | State |
| 2025-07-23 | BORREGAARD USA INC | PCE On-Site | U.S. EPA |
| 2025-07-18 | WAUSAU TILE INC | FCE On-Site | State |
| 2025-07-18 | MARATHON COUNTY LANDFILL | FCE On-Site | State |
| 2025-07-15 | IMPERIAL INDUSTRIES, INC. | PCE Off-Site | State |
| 2025-07-15 | DOMTAR PAPER CO LLC | PCE Off-Site | State |
| 2025-07-02 | DOMTAR PAPER CO LLC | PCE Off-Site | State |
| 2025-07-02 | DOMTAR PAPER CO LLC | PCE Off-Site | State |
| 2025-06-18 | MULLINS CHEESE INC — high-priority violation on file | PCE Off-Site | State |
| 2025-05-21 | 3M CO - GREYSTONE — high-priority violation on file | PCE Off-Site | State |
| 2025-05-20 | BUCKHORN RNG, LLC | PCE On-Site | State |
| 2025-04-30 | AHLSTROM MOSINEE, LLC — high-priority violation on file | PCE Off-Site | State |
| 2025-04-30 | AHLSTROM MOSINEE, LLC — high-priority violation on file | PCE Off-Site | State |
| 2025-04-30 | DOMTAR PAPER CO LLC | PCE Off-Site | State |
| 2025-04-29 | WISCONSIN ELECTRIC POWER COMPANY (DBA WE ENERGIES) - ROTHSCHILD BIOMASS COGENERA — high-priority violation on file | PCE Off-Site | State |
| 2025-04-23 | WI PUBLIC SERVICE WESTON POWER PLANT | PCE Off-Site | State |
| 2025-03-31 | AHLSTROM MOSINEE, LLC — high-priority violation on file | PCE Off-Site | State |
| 2025-03-26 | MARTH WOOD SHAVINGS SUPPLY INC — high-priority violation on file | FCE On-Site | State |
| 2025-03-24 | AHLSTROM MOSINEE, LLC — high-priority violation on file | PCE Off-Site | State |
| 2025-03-20 | MARTH WOOD SHAVINGS SUPPLY INC — high-priority violation on file | PCE Off-Site | State |
| 2025-02-28 | WI PUBLIC SERVICE WESTON POWER PLANT | PCE Off-Site | State |
| 2025-02-28 | VERITAS STEEL LLC | PCE Off-Site | State |
| 2025-02-28 | VIRIDI MARATHON, LLC | PCE Off-Site | State |
| 2025-02-28 | VIRIDI MARATHON, LLC | PCE Off-Site | State |
| 2025-02-27 | WI PUBLIC SERVICE WESTON POWER PLANT | PCE Off-Site | State |
| 2025-02-24 | WISCONSIN ELECTRIC POWER COMPANY (DBA WE ENERGIES) - ROTHSCHILD BIOMASS COGENERA — high-priority violation on file | PCE Off-Site | State |
| 2025-02-20 | MARATHON COUNTY LANDFILL | PCE Off-Site | State |
| 2025-02-20 | MARATHON COUNTY LANDFILL | PCE Off-Site | State |
| 2025-02-17 | WI PUBLIC SERVICE WESTON POWER PLANT | PCE Off-Site | State |
| 2025-02-05 | WISCONSIN ELECTRIC POWER COMPANY (DBA WE ENERGIES) - ROTHSCHILD BIOMASS COGENERA — high-priority violation on file | PCE Off-Site | State |
| 2025-02-03 | AHLSTROM MOSINEE, LLC — high-priority violation on file | PCE Off-Site | State |
| 2025-02-03 | CRYSTAL FINISHING SYSTEMS INC | PCE Off-Site | State |
| 2025-01-31 | 3M CO - GREYSTONE — high-priority violation on file | PCE Off-Site | State |
| 2025-01-29 | AHLSTROM MOSINEE, LLC — high-priority violation on file | PCE Off-Site | State |
| 2025-01-29 | AHLSTROM MOSINEE, LLC — high-priority violation on file | PCE Off-Site | State |
| 2025-01-29 | AHLSTROM MOSINEE, LLC — high-priority violation on file | PCE Off-Site | State |
| 2025-01-29 | WISCONSIN ELECTRIC POWER COMPANY (DBA WE ENERGIES) - ROTHSCHILD BIOMASS COGENERA — high-priority violation on file | PCE Off-Site | State |
| 2025-01-29 | WISCONSIN ELECTRIC POWER COMPANY (DBA WE ENERGIES) - ROTHSCHILD BIOMASS COGENERA — high-priority violation on file | PCE Off-Site | State |
| 2025-01-28 | WI PUBLIC SERVICE WESTON POWER PLANT | PCE Off-Site | State |
| 2025-01-28 | WI PUBLIC SERVICE WESTON POWER PLANT | PCE Off-Site | State |
| 2025-01-21 | DOMTAR PAPER CO LLC | PCE Off-Site | State |
| 2025-01-21 | WI PUBLIC SERVICE WESTON POWER PLANT | PCE Off-Site | State |
| 2025-01-15 | DOMTAR PAPER CO LLC | PCE Off-Site | State |
| 2025-01-15 | DOMTAR PAPER CO LLC | PCE Off-Site | State |
| 2025-01-07 | AHLSTROM MOSINEE, LLC — high-priority violation on file | PCE Off-Site | State |
Dates as filed by the agency that recorded the inspection. Figures from EPA’s ICIS-AIR download.