EPA Air · by county
Air-emissions sources in Dunn County, North Dakota
- 64Facilities
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Every stationary source in Dunn 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.
Every source’s record in Dunn County
Each of the 58 operating major, synthetic minor and minor sources in Dunn County, North Dakota has a record page: every source in Dunn County, A to Z.
By emissions classification in Dunn 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 Dunn 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.
Stack tests in Dunn County, by year
A stack test measures what a source actually emits, at the stack, against the limit in its permit.
- 2026 stack tests 11
- 2025 stack tests 23
- 2024 stack tests 12
- 2023 stack tests 12
- 2022 stack tests 11
- 2021 stack tests 7
- 2020 stack tests 19
- 2019 stack tests 7
- 2017 stack tests 3
Inspections in Dunn County, year by year · Stack tests in Dunn County, year by year
Other counties in North Dakota
Every county in the state with at least three sources on file.
- Barnes County 4
- Billings County 17
- Bowman County 7
- Burke County 5
- Burleigh County 24
- Cass County 47
- Grand Forks County 17
- McHenry County 3
- McKenzie County 225
- McLean County 3
- Mercer County 11
- Morton County 14
- Mountrail County 146
- Oliver County 3
- Pembina County 3
- Ramsey County 6
- Richland County 10
- Stark County 21
- Stutsman County 12
Facilities
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 Dunn county, ND. It lists 64 facilities in Dunn county, of which 3 are major sources.