EPA Air · by county
Air-emissions sources in Clay County, Minnesota
- 27Facilities
Every stationary source in Clay County, Minnesota 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 Clay 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.
- Minor source 13
- Other 11
- Major source 3
Inspections in Clay 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 3
- 2023 — inspections 3
- 2022 — inspections 3
- 2018 — inspections 5
- 2017 — inspections 4
Facilities
| Facility↑↓ | Classification↑↓ | HPV |
|---|---|---|
| AGASSIZ VALLEY GRAIN LLC - BARNESVILLE | Other | No |
| AMERICAN CRYSTAL SUGAR - MOORHEAD | Major source | Yes |
| AMERICAN CRYSTAL SUGAR - RESEARCH CENTER | Minor source | No |
| BERT'S TRUCK EQUIPMENT | Other | No |
| CENTENNIAL GENERATING STATION | Major source | No |
| CHS INC - CHS WEST CENTRAL - ULEN GRAIN | Other | No |
| CLAY COUNTY SOLID WASTE | Minor source | No |
| CONCORDIA COLLEGE - MOORHEAD CAMPUS | Minor source | No |
| FARMERS ELEVATOR - KRAGNES | Minor source | No |
| FM ASPHALT LLC | Minor source | No |
| FORTERRA CONCRETE PRODUCTS - HAWLEY | Other | No |
| GRAVEL PRODUCTS INC | Other | No |
| HAWLEY COOP ELEVATOR | Minor source | No |
| KOST BROTHERS INC - MOORHEAD PLANT | Minor source | No |
| LARRY'S AUTO BODY | Other | No |
| MACROSOURCE, LLC | Other | No |
| MINNESOTA STATE UNIVERSITY - MOORHEAD | Minor source | No |
| MOORHEAD CITY OF - AIR CURTAIN INCINERATOR | Major source | No |
| MOORHEAD WASTEWATER TREATMENT FACILITY | Other | No |
| MUSCATELL BODY SHOP | Other | No |
| NORTHERN IMPROVEMENT CO | Other | No |
| NORTHERN IMPROVEMENT CO - MADSEN UNIT 40 | Minor source | No |
| NORTHERN IMPROVEMENT CO - NONMETALLIC | Minor source | No |
| NUSTAR - MOORHEAD TERMINAL | Minor source | No |
| STRATA CORP - GLYNDON SITE | Minor source | No |
| STRATA CORP - GLYNDON SITE | Other | No |
| TRI COUNTY COOP ASSN | Minor source | No |
County as filed on the facility record. Figures from EPA’s ICIS-AIR download.