EPA Air · violations by county and year
High-priority air violations in Brown County, South Dakota, 2025
- 4Violations
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 Brown County, South Dakota 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 Brown County facility page.
Brown County, South Dakota, 2025
High-priority air violations in Brown County, other years
High-priority air violations recorded in Brown County, South Dakota, 2025
| Date | Facility | Kind | Agency |
|---|---|---|---|
| 2025-09-09 | BASIN ELECTRIC POWER COOPERATIVE GROTON GENERATING | Earliest FRV determination | State |
| 2025-06-18 | 3M COMPANY - ABERDEEN — high-priority violation on file | Earliest FRV determination | State |
| 2025-06-17 | HUB CITY ENERGY, LLC — high-priority violation on file | Earliest FRV determination | State |
| 2025-03-11 | AG PROCESSING INC. | Earliest FRV determination | State |
Dates as filed by the agency that recorded the violation. Figures from EPA’s ICIS-AIR download.