EPA Air · by county
Air-emissions sources in St. Clair County, Michigan
- 59Facilities
Every stationary source in St. Clair 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 St. Clair 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 St. Clair 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 23
- 2025 — inspections 30
- 2024 — inspections 24
- 2023 — inspections 24
- 2022 — inspections 30
- 2021 — inspections 36
- 2020 — inspections 35
- 2019 — inspections 27
- 2018 — inspections 27
- 2017 — inspections 38
Facilities
| Facility↑↓ | Classification↑↓ | HPV |
|---|---|---|
| ACE ASPHALT & PAVING CO. INC. - PLANT 4 | Synthetic minor source | No |
| ALGONAC CAST PRODUCTS, INC. | Minor source | No |
| ANR PIPELINE COMPANY - CAPAC COMPRESSOR STATION | Synthetic minor source | No |
| AUTO ANODICS | Minor source | No |
| BLUE WATER AGGREGATES CO. | Minor source | No |
| BLUE WATER RENEWABLES | Major source | Yes |
| BLUEWATER GAS STORAGE FACILITY - COLUMBUS | Synthetic minor source | No |
| C AND B ENTERPRISES | Minor source | No |
| CARGILL SALT - ST. CLAIR | Minor source | No |
| COLUMBUS ILI PRODUCTION LLC (SAMSON RES | Minor source | No |
| CONFORMANCE COATING AND PROTOTYPE, INC | Synthetic minor source | No |
| CONSUMERS ENERGY - ST. CLAIR COMPRESSOR STATION | Major source | No |
| CONTINENTAL COATINGS | Minor source | No |
| CROSS HUELLER DBA MAG POWERTRAIN | Minor source | No |
| DTE ELECTRIC COMPANY - GREENWOOD ENERGY CENTER | Major source | No |
| DTE GAS COMPANY - COLUMBUS COMPRESSOR STATION | Major source | Yes |
| DTE GAS COMPANY - BELLE RIVER MILLS COMPRESSOR STATION | Major source | No |
| DTE ST. CLAIR / BELLE RIVER POWER PLANT | Major source | Yes |
| DUNN PAPER, INC. | Synthetic minor source | No |
| E.B. EDDY PAPER INC. | Minor source | No |
| EVANS MINING CORP | Minor source | No |
| EVANS ST CLAIR INC | Minor source | No |
| FLINT HILLS RESOURCES MARYSVILLE, LLC | Synthetic minor source | No |
| GREAT LAKES WATER AUTHORITY - LAKE HURON PLANT | Minor source | No |
| HEARTLAND STEEL PRODUCTS, LLC | Synthetic minor source | No |
| HESS ASPHALT PAVING | Synthetic minor source | No |
| HOOVER CHEMICALS INC | Minor source | No |
| HP PELZER INC | Minor source | No |
| HURON MFG DIV | Minor source | No |
| INSTASET PLASTICS | Synthetic minor source | No |
| INTERNATIONAL AUTOMOTIVE COMPONENTS | Synthetic minor source | No |
| INTERTAPE POLYMER GROUP | Major source | No |
| MAGNA ELECTRIC VEHICLE STRUCTURES- MICHIGAN | Synthetic minor source | No |
| MARYSVILLE ETHANOL, LLC | Synthetic minor source | No |
| MARYSVILLE HYDROCARBONS, LLC | Synthetic minor source | No |
| MARYSVILLE NPDC | Minor source | No |
| MASCOTECH ACCESSORIES | Minor source | No |
| MICHIGAN METAL COATINGS | Synthetic minor source | No |
| MOD INTERIORS, INCORPORATED | Synthetic minor source | Yes |
| MUELLER BRASS COMPANY | Synthetic minor source | No |
| PINE RIVER PLASTICS INC | Minor source | No |
| PORT HURON TERMINAL CO | Minor source | No |
| PREGIS | Major source | No |
| S & H SORTING AND PACKING | Minor source | No |
| S. A. TORELLO INC. | Minor source | No |
| SECORY OIL CO INC | Minor source | No |
| SEMCO ENERGY GAS COMPANY - COLLIN FIELD | Synthetic minor source | No |
| SEMCO ENERGY GAS COMPANY - MORTON WELLS FACILITY | Synthetic minor source | No |
| SHAWMUT CORPORATION | Synthetic minor source | No |
| SMITH MEAT PACKING INC | Minor source | No |
| SMITHS CREEK LANDFILL | Major source | No |
| SMR AUTOMOTIVE SYSTEMS USA, INC. | Synthetic minor source | No |
| SUNOCO PIPELINE L.P. - MARYSVILLE PUMP STATION | Synthetic minor source | No |
| SUNSATION PRODUCTS INC | Synthetic minor source | No |
| SUNSATION PRODUCTS, INC. | Synthetic minor source | No |
| SUNSET ENTERPRISES HOLDINGS, LLC | Synthetic minor source | No |
| TAPEX AMERICAN CORP | Minor source | No |
| TI FLUID SYSTEMS | Synthetic minor source | No |
| ZF AXLE DRIVES MARYSVILLE | Synthetic minor source | No |
County as filed on the facility record. Figures from EPA’s ICIS-AIR download.