EPA Air · by county
Air-emissions sources in Dane County, Wisconsin
- 45Facilities
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Every stationary source in Dane 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 Dane County
Each of the 45 operating major, synthetic minor and minor sources in Dane County, Wisconsin has a record page: every source in Dane County, A to Z.
By emissions classification in Dane 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 Dane 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 19
- 2025 inspections 21
- 2024 inspections 19
- 2023 inspections 15
- 2022 inspections 14
- 2021 inspections 11
- 2020 inspections 12
- 2019 inspections 13
- 2018 inspections 16
- 2017 inspections 12
Violations in Dane 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 6
- 2025 violations 3
- 2024 violations 6
- 2022 violations 4
- 2020 violations 5
- 2018 violations 3
- 2017 violations 6
Stack tests in Dane County, by year
A stack test measures what a source actually emits, at the stack, against the limit in its permit.
- 2026 stack tests 9
- 2025 stack tests 13
- 2024 stack tests 18
- 2023 stack tests 9
- 2022 stack tests 20
- 2021 stack tests 15
- 2020 stack tests 18
- 2019 stack tests 18
- 2018 stack tests 20
- 2017 stack tests 12
Inspections in Dane County, year by year · Violations in Dane County, year by year · Stack tests in Dane 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
- Brown County 51
- Calumet County 8
- Chippewa County 18
- Clark County 4
- Columbia County 9
- Crawford County 5
- 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.