EPA Air · by county
Air-emissions sources in Dubuque County, Iowa
- 138Facilities
Every stationary source in Dubuque 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 Dubuque County
Each of the 134 operating major, synthetic minor and minor sources in Dubuque County, Iowa has a record page: every source in Dubuque County, A to Z.
By emissions classification in Dubuque 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 Dubuque 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 5
- 2024 inspections 8
- 2023 inspections 4
- 2022 inspections 7
- 2021 inspections 4
- 2020 inspections 12
- 2019 inspections 4
- 2018 inspections 3
- 2017 inspections 6
Stack tests in Dubuque County, by year
A stack test measures what a source actually emits, at the stack, against the limit in its permit.
- 2025 stack tests 7
- 2024 stack tests 12
- 2023 stack tests 4
- 2022 stack tests 8
- 2021 stack tests 10
- 2020 stack tests 7
- 2019 stack tests 8
- 2018 stack tests 7
- 2017 stack tests 9
Inspections in Dubuque County, year by year · Stack tests in Dubuque County, year by year
Other counties in Iowa
Every county in the state with at least three sources on file.
- Clay County 22
- Clayton County 31
- Clinton County 65
- Crawford County 21
- Dallas County 75
- Davis County 6
- Decatur County 8
- Delaware County 37
- Des Moines County 61
- Dickinson County 32
- Emmet County 27
- Fayette County 26
- Floyd County 32
- Franklin County 17
- Fremont County 12
- Greene County 21
- Grundy County 23
- Guthrie County 17
- Hamilton County 27
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 Dubuque county, IA. It lists 138 facilities in Dubuque county, including 6 major sources.