EPA Air · violations by state, industry and year
Oil and gas extraction (NAICS 2111): violations in 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 is one violation recorded during 2025 at a South Dakota source whose primary industry code is NAICS 2111. A facility filing more than one industry code is counted under the first one on its record.
Oil and gas extraction (NAICS 2111) in South Dakota, other years
- 2023 8
Other industries in South Dakota, 2025
- Chemical manufacturing (NAICS 3251) 13
- 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 |
|---|---|---|---|---|
| 2025-07-25 | CONTINENTAL RESOURCES - SOUTH BUFFALO (CTB#11) | NEAR BUFFALO, Harding, SD | Earliest FRV determination | State |
| 2025-07-25 | CONTINENTAL RESOURCES - WEST BUFFALO (CTB25) | NEAR BUFFALO, Harding, SD | Earliest FRV determination | State |
| 2025-07-25 | CONTINENTAL RESOURCES - SOUTH BUFFALO (CTB#3) | NEAR BUFFALO, Harding, SD | Earliest FRV determination | State |
| 2025-07-25 | CONTINENTAL RESOURCES - BUFFALO (CTB#1) | NEAR BUFFALO, Harding, 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.