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.
Every source’s record in Clay County
Each of the 16 operating major, synthetic minor and minor sources in Clay County, Minnesota has a record page: every source in Clay County, A to Z.
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
Stack tests in Clay County, by year
A stack test measures what a source actually emits, at the stack, against the limit in its permit.
- 2025 stack tests 8
- 2024 stack tests 4
- 2023 stack tests 4
- 2022 stack tests 5
- 2021 stack tests 5
- 2020 stack tests 4
- 2019 stack tests 4
- 2017 stack tests 3
Inspections in Clay County, year by year · Stack tests in Clay County, year by year
Other counties in Minnesota
Every county in the state with at least three sources on file.
- Beltrami County 18
- Benton County 26
- Big Stone County 13
- Blue Earth County 51
- Brown County 24
- Carlton County 20
- Carver County 36
- Cass County 6
- Chippewa County 9
- Chisago County 26
- Clearwater County 6
- Cook County 4
- Cottonwood County 12
- Crow Wing County 21
- Dakota County 164
- Dodge County 11
- Douglas County 26
- Faribault County 21
- Fillmore County 15
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.
What this page shows
This page covers Clean Air Act facilities in the EPA air register for Clay county, MN. It lists 27 facilities in Clay county, of which 3 are major sources.