EPA Air · by county
Air-emissions sources in Durham County, North Carolina
- 49Facilities
Every stationary source in Durham County, North Carolina 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 Durham County
Each of the 49 operating major, synthetic minor and minor sources in Durham County, North Carolina has a record page: every source in Durham County, A to Z.
By emissions classification in Durham 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 Durham 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 70
- 2025 inspections 63
- 2024 inspections 56
- 2023 inspections 72
- 2022 inspections 59
- 2021 inspections 63
- 2020 inspections 65
- 2019 inspections 50
- 2018 inspections 36
- 2017 inspections 37
Violations in Durham County, by year
A high-priority violation is the most serious class of Clean Air Act non-compliance an agency records against a source; a federally reportable violation is the next step down in severity.
Stack tests in Durham County, by year
A stack test measures what a source actually emits, at the stack, against the limit in its permit.
- 2025 stack tests 7
- 2024 stack tests 4
- 2023 stack tests 3
- 2022 stack tests 5
- 2021 stack tests 4
- 2019 stack tests 3
- 2018 stack tests 5
Inspections in Durham County, year by year · Violations in Durham County, year by year · Stack tests in Durham County, year by year
Other counties in North Carolina
Every county in the state with at least three sources on file.
- Clay County 3
- Cleveland County 46
- Columbus County 15
- Craven County 24
- Cumberland County 37
- Currituck County 5
- Dare County 8
- Davidson County 73
- Davie County 18
- Duplin County 29
- Edgecombe County 17
- Forsyth County 78
- Franklin County 14
- Gaston County 52
- Gates County 3
- Granville County 25
- Greene County 3
- Guilford County 180
- Halifax County 24
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 Durham county, NC. It lists 49 facilities in Durham county and 2 major sources.