EPA Air · by county
Air-emissions sources in Frederick County, Virginia
- 84Facilities
Every stationary source in Frederick County, Virginia 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 Frederick County
Each of the 78 operating major, synthetic minor and minor sources in Frederick County, Virginia has a record page: every source in Frederick County, A to Z.
By emissions classification in Frederick 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 Frederick 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 52
- 2025 inspections 68
- 2024 inspections 65
- 2023 inspections 62
- 2022 inspections 55
- 2021 inspections 53
- 2020 inspections 66
- 2019 inspections 80
- 2018 inspections 72
- 2017 inspections 60
Stack tests in Frederick County, by year
A stack test measures what a source actually emits, at the stack, against the limit in its permit.
- 2026 stack tests 3
- 2025 stack tests 6
- 2024 stack tests 4
- 2023 stack tests 5
- 2021 stack tests 3
- 2020 stack tests 4
- 2018 stack tests 4
- 2017 stack tests 7
Inspections in Frederick County, year by year · Stack tests in Frederick County, year by year
Other counties in Virginia
Every county in the state with at least three sources on file.
- Emporia (city) County 3
- Essex County 12
- Fairfax County 548
- Fairfax (city) County 39
- Falls Church (city) County 10
- Fauquier County 48
- Floyd County 8
- Fluvanna County 17
- Franklin County 48
- Franklin (city) County 10
- Fredericksburg (city) County 23
- Galax (city) County 25
- Giles County 16
- Gloucester County 16
- Goochland County 31
- Grayson County 33
- Greene County 10
- Greensville County 10
- Halifax County 57
Facilities
County as filed on the facility record. Figures from EPA’s ICIS-AIR download.