EPA Air · stack tests by county and year
Air-emissions stack tests in Ozaukee County, Wisconsin, 2026
- 3Stack tests
A stack test measures what a source actually emits, at the stack, against the limit in its permit. Each row below is one stack test recorded against a source in Ozaukee County, Wisconsin during 2026. A facility can appear several times: this is the year’s record of what happened, not a list of places. The sources themselves are on the Ozaukee County facility page.
Ozaukee County, Wisconsin, 2026
- Inspections 20
Air-emissions stack tests in Ozaukee County, other years
Air-emissions stack tests recorded in Ozaukee County, Wisconsin, 2026
| Date | Facility | Kind | Agency |
|---|---|---|---|
| 2026-03-27 | MCKINLEY PAPER AND PACKAGING COMPANY — high-priority violation on file | Pass | State |
| 2026-03-26 | CHARTER STEEL | Pass | State |
| 2026-02-23 | AHLSTROM NA SPECIALTY SOLUTIONS LLC — high-priority violation on file | Pass | State |
Dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.