EPA Air · by county
Air-emissions sources in Lee County, Iowa
- 52Facilities
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Every stationary source in Lee County, Iowa 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 Lee County
Each of the 52 operating major, synthetic minor and minor sources in Lee County, Iowa has a record page: every source in Lee County, A to Z.
By emissions classification in Lee 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 Lee 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 4
- 2025 inspections 8
- 2024 inspections 5
- 2023 inspections 5
- 2022 inspections 12
- 2021 inspections 5
- 2020 inspections 5
- 2019 inspections 7
- 2018 inspections 6
- 2017 inspections 9
Violations in Lee 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 Lee County, by year
A stack test measures what a source actually emits, at the stack, against the limit in its permit.
- 2025 stack tests 6
- 2023 stack tests 4
- 2022 stack tests 4
- 2021 stack tests 8
- 2020 stack tests 12
- 2019 stack tests 10
- 2018 stack tests 22
- 2017 stack tests 26
Inspections in Lee County, year by year · Violations in Lee County, year by year · Stack tests in Lee County, year by year
Other counties in Iowa
Every county in the state with at least three sources on file.
- Humboldt County 25
- Ida County 16
- Iowa County 29
- Jackson County 26
- Jasper County 40
- Jefferson County 27
- Johnson County 77
- Jones County 29
- Keokuk County 22
- Kossuth County 33
- Linn County 336
- Louisa County 18
- Lucas County 7
- Lyon County 19
- Madison County 21
- Mahaska County 29
- Marion County 53
- Marshall County 49
- Mills County 11
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 Lee county, IA. Lee county lists 52 facilities, of which 8 are major sources.