EPA Air · by county
Air-emissions sources in Columbia County, Wisconsin
- 9Facilities
Every stationary source in Columbia 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.
By emissions classification in Columbia 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 Columbia 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 6
- 2025 — inspections 7
- 2024 — inspections 5
- 2022 — inspections 5
- 2021 — inspections 3
- 2020 — inspections 6
- 2019 — inspections 5
- 2018 — inspections 5
Facilities
| Facility↑↓ | Classification↑↓ | HPV |
|---|---|---|
| ALLIANT ENERGY - WPL - COLUMBIA ENERGY CENTER | Major source | No |
| AMERICAN PACKAGING CORP | Major source | No |
| AMPI-PORTAGE DIV | Synthetic minor source | No |
| CABINETRY PLUS | Synthetic minor source | No |
| CARDINAL FG | Major source | No |
| COVIA SOLUTIONS INC. - PORTAGE SILICA PLANT | Synthetic minor source | No |
| DIDION MILLING INC. | Major source | No |
| THERMOSAFE TECHNOLOGIES INC. | Major source | No |
| UNITED WISCONSIN GRAIN PRODUCERS, LLC | Major source | Yes |
County as filed on the facility record. Figures from EPA’s ICIS-AIR download.