EPA Air · by county and classification
Major sources in St. Louis County, Minnesota
- 18Facilities
Sources in St. Louis County, Minnesota that EPA records under the major source classification. The classification is a size band, set by a source’s potential to emit: a major source is large enough to require a Title V operating permit, a synthetic minor source has accepted enforceable limits that keep it under that threshold, and a minor source sits below it without needing them.
Other classifications in St. Louis County
Facilities
| Facility↑↓ | Classification↑↓ | HPV |
|---|---|---|
| CIRRUS DESIGN CORP AKA CIRRUS AIRCRAFT | Major source | No |
| CLEVELAND-CLIFFS MINORCA MINE INC | Major source | No |
| DULUTH ENERGY SYSTEMS | Major source | No |
| GREAT LAKES GAS TRANSMISSION - STATION 5 | Major source | No |
| HIBBING PUBLIC UTILITIES COMMISSION | Major source | No |
| HIBBING TACONITE CO | Major source | No |
| MESABI NUGGET DELAWARE LLC | Major source | No |
| MINNESOTA POWER - HIBBARD RENEWABLE ENERGY CENTER | Major source | No |
| MINNESOTA POWER - LASKIN ENERGY CENTER | Major source | No |
| NEWRANGE COPPER NICKEL LLC - NORTHMET PROJECT | Major source | No |
| NORTHSHORE MINING CO - PETER MITCHELL | Major source | No |
| SOFIDEL AMERICA - DULUTH | Major source | Yes |
| UNITED STATES STEEL CORP - KEETAC | Major source | No |
| UNITED TACONITE LLC - FAIRLANE PLANT | Major source | No |
| UNITED TACONITE LLC - THUNDERBIRD MINE | Major source | No |
| US STEEL CORP - MINNTAC | Major source | No |
| VIRGINIA DEPARTMENT OF PUBLIC UTILITIES | Major source | Yes |
| WLSSD WWTP | Major source | No |
Classification as filed on the facility record. Figures from EPA’s ICIS-AIR download.