EPA Air · violations by state, industry and year
Chemical manufacturing (NAICS 3251): violations in South Dakota, 2025
- 13Violations
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 is one violation recorded during 2025 at a South Dakota source whose primary industry code is NAICS 3251. A facility filing more than one industry code is counted under the first one on its record.
Chemical manufacturing (NAICS 3251) in South Dakota, other years
Other industries in South Dakota, 2025
- Oil and gas extraction (NAICS 2111) 4
- Food manufacturing (NAICS 3112) 4
- Educational services (NAICS 6113) 3
- Utilities (NAICS 2211) 3
High-priority air violations recorded in South Dakota, 2025
| Date | Facility | Where | Kind | Agency |
|---|---|---|---|---|
| 2025-11-20 | REDFIELD ENERGY LLC — high-priority violation on file | REDFIELD, Beadle, SD | Earliest FRV determination | State |
| 2025-10-23 | HURON ENERGY LLC, DBA GLACIAL LAKES ENERGY LLC — high-priority violation on file | HURON, Beadle, SD | Earliest FRV determination | State |
| 2025-09-22 | POET BIOPROCESSING - CHANCELLOR, LLC — high-priority violation on file | CHANCELLOR, Turner, SD | Earliest FRV determination | State |
| 2025-09-11 | NUGEN ENERGY LLC — high-priority violation on file | MARION, Turner, SD | Earliest FRV determination | State |
| 2025-06-26 | POET RESEARCH CENTER - SCOTLAND — high-priority violation on file | SCOTLAND, Bon Homme, SD | HPV day-zero determination | State |
| 2025-06-17 | ABERDEEN ENERGY, LLC — high-priority violation on file | MINA, Edmunds, SD | Earliest FRV determination | State |
| 2025-06-17 | HUB CITY ENERGY, LLC — high-priority violation on file | ABERDEEN, Brown, SD | Earliest FRV determination | State |
| 2025-06-02 | NUGEN ENERGY LLC — high-priority violation on file | MARION, Turner, SD | Earliest FRV determination | State |
| 2025-06-02 | POET BIOPROCESSING - CHANCELLOR, LLC — high-priority violation on file | CHANCELLOR, Turner, SD | Earliest FRV determination | State |
| 2025-06-02 | POET BIOREFINING - MITCHELL LLC | MITCHELL, Davison, SD | Earliest FRV determination | State |
| 2025-06-02 | POET RESEARCH CENTER - SCOTLAND — high-priority violation on file | SCOTLAND, Bon Homme, SD | Earliest FRV determination | State |
| 2025-06-02 | REDFIELD ENERGY LLC — high-priority violation on file | REDFIELD, Beadle, SD | Earliest FRV determination | State |
| 2025-04-08 | POET BIOREFINING - MITCHELL LLC | MITCHELL, Davison, SD | Earliest FRV determination | State |
Primary NAICS code as filed on the facility record; dates as filed by the agency that recorded the violation. Figures from EPA’s ICIS-AIR download.