EPA Air · by county
Air-emissions sources in Mercer County, North Dakota
- 11Facilities
Every stationary source in Mercer County, North Dakota 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 Mercer 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 Mercer 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.
- 2025 — inspections 4
- 2024 — inspections 5
- 2023 — inspections 4
- 2022 — inspections 5
- 2021 — inspections 4
- 2020 — inspections 5
- 2019 — inspections 4
- 2018 — inspections 7
Facilities
| Facility↑↓ | Classification↑↓ | HPV |
|---|---|---|
| BASIN ELECTRIC POWER COOPERATIVE - ANTELOPE VALLEY STATION (AVS) - AQ | Major source | No |
| BASIN ELECTRIC POWER COOPERATIVE - AVS EMERGENCY GENERATOR | Synthetic minor source | No |
| BASIN ELECTRIC POWER COOPERATIVE - LELAND OLDS STATION (LOS) - AQ | Major source | No |
| BASIN ELECTRIC POWER COOPERATIVE - LOS EMERGENCY GENERATOR | Synthetic minor source | No |
| CENTRAL SPECIALTIES, INC. - PLANT 4 | Synthetic minor source | No |
| COTEAU PROPERTIES COMPANY - FREEDOM MINE | Synthetic minor source | No |
| DAKOTA GASIFICATION COMPANY (DGC) - GREAT PLAINS SYNFUELS PLANT - AQ | Major source | No |
| DAKOTA WESTMORELAND CORPORATION-BEULAH COAL MINE AND LIGNITE HANDLING FACILITIES | Minor source | No |
| HAZEN PUBLIC SCHOOLS - HEATING PLANTS | Synthetic minor source | No |
| NORTH DAKOTA STATE WATER COMMISSION-BEULAH STATION | No | |
| OTTER TAIL POWER COMPANY - COYOTE STATION - AQ | Major source | No |
County as filed on the facility record. Figures from EPA’s ICIS-AIR download.