EPA Air · by county
Air-emissions sources in Johnson County, Kansas
- 250Facilities
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Every stationary source in Johnson County, Kansas 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 Johnson County
Each of the 241 operating major, synthetic minor and minor sources in Johnson County, Kansas has a record page: every source in Johnson County, A to Z.
By emissions classification in Johnson 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 Johnson 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 30
- 2025 inspections 57
- 2024 inspections 50
- 2023 inspections 60
- 2022 inspections 42
- 2021 inspections 45
- 2020 inspections 44
- 2019 inspections 44
- 2018 inspections 47
- 2017 inspections 51
Violations in Johnson 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.
- 2026 violations 3
- 2025 violations 10
- 2024 violations 3
- 2023 violations 7
- 2019 violations 3
- 2018 violations 11
Stack tests in Johnson County, by year
A stack test measures what a source actually emits, at the stack, against the limit in its permit.
Inspections in Johnson County, year by year · Violations in Johnson County, year by year · Stack tests in Johnson County, year by year
Other counties in Kansas
Every county in the state with at least three sources on file.
- Greeley County 13
- Greenwood County 16
- Hamilton County 11
- Harper County 211
- Harvey County 47
- Haskell County 79
- Hodgeman County 13
- Jackson County 8
- Jefferson County 14
- Jewell County 9
- Kearny County 55
- Kingman County 41
- Kiowa County 25
- Labette County 40
- Lane County 13
- Leavenworth County 32
- Lincoln County 14
- Linn County 18
- Logan County 15
Facilities
County as filed on the facility record. Figures from EPA’s ICIS-AIR download.