EPA Air · by county
Air-emissions sources in Monroe County, Michigan
- 40Facilities
Every stationary source in Monroe County, Michigan 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 3
- 2025 — inspections 22
- 2024 — inspections 16
- 2023 — inspections 14
- 2022 — inspections 14
- 2021 — inspections 13
- 2020 — inspections 23
- 2019 — inspections 12
- 2018 — inspections 17
- 2017 — inspections 11
Facilities
| Facility↑↓ | Classification↑↓ | HPV |
|---|---|---|
| ADM GRAIN CO | Minor source | No |
| ADVANCED HEAT TREAT CORPORATION | Synthetic minor source | No |
| CADILLAC ASPHALT, LLC | Synthetic minor source | No |
| CARLETON FARMS LANDFILL | Major source | No |
| DETROIT STOKER CO | Minor source | No |
| DTE ELECTRIC COMPANY - FERMI ENERGY CENTER | Major source | No |
| DTE ELECTRIC COMPANY - MONROE POWER PLANT | Major source | No |
| F W RITTER SONS CO | Minor source | No |
| FCA US LLC - DUNDEE ENGINE PLANT | Major source | No |
| GERDAU MACSTEEL MONROE MILL | Major source | Yes |
| GERKEN MATERIALS, INC. HMA PLANT #22 | Synthetic minor source | No |
| GREAT LAKES AGGREGATES, DENSE GRADED JAW | Minor source | No |
| GUARDIAN INDUSTRIES-CARLETON | Major source | No |
| HOLCIM (US) INC. | Minor source | No |
| IKO MONROE INC | Minor source | No |
| J L BARRON OIL CO | Minor source | No |
| KINDER MORGAN UTOPIA LLC | Synthetic minor source | No |
| LA Z BOY CHAIR CO | Minor source | No |
| MARATHON PIPE LINE LLC (SAMARIA) | Synthetic minor source | No |
| MARSULEX | Minor source | No |
| MATHER SEAL | Minor source | No |
| MERCY MEMORIAL HOSPITAL | Minor source | No |
| MICHIGAN PAVING & MATERIALS | Synthetic minor source | No |
| MIDWEST II | Minor source | No |
| MONROE AUTO EQUIPMENT CO | Minor source | No |
| MONROE CO ANIMAL CONTROL | Minor source | No |
| MTS SEATING | Minor source | No |
| NATIONAL GALVANIZING HS PROCESSING LP | Synthetic minor source | No |
| NEW TECHNOLOGY STEEL | Minor source | No |
| PIONEER METAL FINISHING | Minor source | No |
| R J MARSHALL CO | Minor source | No |
| SPARTAN STEEL COATING | Synthetic minor source | No |
| STANSLEY MINERAL RESOURCE | Minor source | No |
| STONECO OF MICHIGAN, INC. | Synthetic minor source | No |
| STONECO OF MICHIGAN, INC. - OTTAWA LAKE | Synthetic minor source | No |
| TMS INTERNATIONAL, LLC | Major source | No |
| VENTOWER INDUSTRIES LLC | Synthetic minor source | No |
| VIENNA JUNCTION LANDFILL | Major source | No |
| YANFENG GLOBAL AUTOMOTIVE | Synthetic minor source | No |
| YANFENG GLOBAL AUTOMOTIVE - FRENCHTOWN PLANT #1/#2 | Synthetic minor source | No |
County as filed on the facility record. Figures from EPA’s ICIS-AIR download.