EPA Air · by county
Air-emissions sources in Brown County, Wisconsin
- 51Facilities
Every stationary source in Brown County, Wisconsin 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 Brown County
Each of the 49 operating major, synthetic minor and minor sources in Brown County, Wisconsin has a record page: every source in Brown County, A to Z.
By emissions classification in Brown 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 Brown 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 41
- 2025 inspections 71
- 2024 inspections 26
- 2023 inspections 15
- 2022 inspections 18
- 2021 inspections 15
- 2020 inspections 8
- 2019 inspections 16
- 2018 inspections 12
- 2017 inspections 15
Violations in Brown 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 Brown County, by year
A stack test measures what a source actually emits, at the stack, against the limit in its permit.
- 2026 stack tests 4
- 2025 stack tests 12
- 2024 stack tests 17
- 2023 stack tests 14
- 2022 stack tests 20
- 2021 stack tests 11
- 2020 stack tests 19
- 2019 stack tests 17
- 2018 stack tests 34
- 2017 stack tests 23
Inspections in Brown County, year by year · Violations in Brown County, year by year · Stack tests in Brown County, year by year
Other counties in Wisconsin
Every county in the state with at least three sources on file.
- Ashland County 3
- Barron County 14
- Calumet County 8
- Chippewa County 18
- Clark County 4
- Columbia County 9
- Crawford County 5
- Dane County 45
- Dodge County 17
- Douglas County 10
- Dunn County 10
- Eau Claire County 9
- Fond du Lac County 13
- Grant County 9
- Green County 8
- Jackson County 7
- Jefferson County 18
- Juneau County 7
- Kenosha County 16
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 Brown county, WI. It lists 51 facilities in Brown county and 24 major sources.