EPA Air · violations by county and year
High-priority air violations in Chippewa County, Wisconsin, 2025
- 8Violations
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. Each row below is one violation recorded against a source in Chippewa County, Wisconsin during 2025. 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 Chippewa County facility page.
Chippewa County, Wisconsin, 2025
High-priority air violations in Chippewa County, other years
- 2023 4
High-priority air violations recorded in Chippewa County, Wisconsin, 2025
| Date | Facility | Kind | Agency |
|---|---|---|---|
| 2025-09-05 | ASSOCIATED MILK PRODUCERS INC (AMPI) - JIM FALLS | HPV day-zero determination | State |
| 2025-08-07 | ASSOCIATED MILK PRODUCERS INC (AMPI) - JIM FALLS | Earliest FRV determination | State |
| 2025-08-07 | ASSOCIATED MILK PRODUCERS INC (AMPI) - JIM FALLS | Earliest FRV determination | State |
| 2025-07-30 | NORTHERN STATES PWR CO WHEATON GEN STA | Earliest FRV determination | State |
| 2025-07-30 | NORTHERN STATES PWR CO WHEATON GEN STA | Earliest FRV determination | State |
| 2025-06-30 | VERITAS STEEL LLC | Earliest FRV determination | State |
| 2025-03-07 | TTM TECHNOLOGIES NORTH AMERICA LLC | Earliest FRV determination | State |
| 2025-03-07 | TTM TECHNOLOGIES NORTH AMERICA LLC | Earliest FRV determination | State |
Dates as filed by the agency that recorded the violation. Figures from EPA’s ICIS-AIR download.