EPA Air · by county
Air-emissions sources in Monroe County, Wisconsin
- 46Facilities
Every stationary source in Monroe County, Wisconsin that holds a Clean Air Act permit or is otherwise tracked by an air agency — planned, under construction, operating, seasonal or temporarily closed. Sources EPA records as permanently closed are not listed.
By emissions classification in Monroe County
A source’s classification is the size band its potential emissions put it in: a major source is large enough to need a Title V operating permit, a synthetic minor has accepted limits to stay below that line, and a minor source sits below it outright.
Inspections in Monroe County, by year
A compliance evaluation is the on-site or file review a state, local or federal air agency records against a permitted source.
- 2026 — inspections 78
- 2025 — inspections 77
- 2024 — inspections 67
- 2023 — inspections 23
- 2022 — inspections 27
- 2021 — inspections 11
- 2020 — inspections 14
- 2019 — inspections 13
- 2018 — inspections 17
- 2017 — inspections 22
Facilities
| Facility↑↓ | Classification↑↓ | HPV |
|---|---|---|
| ABX SOLUTIONS, LLC | Synthetic minor source | No |
| ALSCO AMERICAN INDUSTRIAL DIVISION | Synthetic minor source | No |
| APPLETON GRP LLC | Major source | Yes |
| BRADY WORLDWIDE - FLORIST AVE PLT | Major source | No |
| BRIGGS & STRATTON, LLC | Major source | No |
| BUCKEYE TERMINALS LLC | Synthetic minor source | No |
| CASHTON MUNICIPAL LIGHT AND WATER DEPART | Synthetic minor source | No |
| CHILDREN'S WISCONSIN | Major source | No |
| CHROME TECH OF WISCONSIN INC | Minor source | No |
| CLCM OAK CREEK | Major source | Yes |
| CURATIVE CARE | Major source | No |
| ELEMENTIS LTP INC | Minor source | No |
| FROEDTERT HOSPITAL | Major source | No |
| GREDE LLC - LIBERTY | Major source | Yes |
| MAYNARD STEEL CASTING CO | Major source | No |
| MEDICAL COLLEGE OF WISCONSIN | Major source | No |
| MID-AMERICA STEEL DRUM COMPANY-CLCM | Synthetic minor source | Yes |
| MILWAUKEE REGIONAL MEDICAL CENTER THERMAL SERVICES INC | Major source | No |
| MILWAUKEE REGIONAL MEDICAL CENTER WATER SERVICE, INC. | Major source | No |
| MMSD-JONES ISLAND WATER RECLAMATION FACILITY | Major source | No |
| MMSD-SOUTHSHORE WASTEWATER TREATMENT PLANT | Major source | No |
| MOLSON COORS USA LLC | Major source | No |
| MRMC - FORENSIC SCIENCE BUILDING | Major source | No |
| PPG INDUSTRIES | Major source | Yes |
| REXNORD INDUSTRIES LLC GEAR GROUP | Synthetic minor source | No |
| SIENTRA | Synthetic minor source | No |
| SMITHFIELD PACKAGED MEATS CORP | Major source | No |
| SONOCO METAL PACKAGING LLC | Major source | No |
| SPARTEK INC | Synthetic minor source | No |
| STARK PAVEMENT CORP | Synthetic minor source | No |
| SUEDPACK OAK CREEK CORP | Synthetic minor source | No |
| THE NEWARK GROUP, INC. | Major source | No |
| THERMO FISHER SCIENTIFIC (MILWAUKEE) LLC | Minor source | No |
| TRAMONT MANUFACTURING LLC | Synthetic minor source | No |
| U.S. ENERGY MILWAUKEE CENTRAL TERMINAL | Major source | No |
| U.S. ENERGY MILWAUKEE JONES ISLAND TERMINAL | Synthetic minor source | No |
| U.S. ENERGY MILWAUKEE NORTH TERMINAL | Major source | No |
| U.S. ENERGY MILWAUKEE SOUTH TERMINAL | Major source | No |
| U.S. ENERGY MILWAUKEE WEST TERMINAL | Major source | No |
| VERSITI WISCONSIN, INC. | Major source | No |
| WE ENERGIES - VALLEY POWER PLANT | Major source | No |
| WE ENERGIES-OAK CREEK POWER PLANT | Major source | Yes |
| WEST SHORE - GRANVILLE STATION (GT) | Major source | No |
| WI DOA / UW-MILWAUKEE | Synthetic minor source | No |
| WMWI - METRO RECYCLING & DISPOSAL | Major source | No |
| WPC TECHNOLOGIES INC | Minor source | No |
County as filed on the facility record. Figures from EPA’s ICIS-AIR download.