EPA Air · violations by county and year
High-priority air violations in Pennington 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 Pennington 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 Pennington County facility page.
Pennington County, South Dakota, 2025
High-priority air violations in Pennington County, other years
High-priority air violations recorded in Pennington County, South Dakota, 2025
| Date | Facility | Kind | Agency |
|---|---|---|---|
| 2025-09-23 | SIMON CONTRACTORS OF SD INC. | Earliest FRV determination | State |
| 2025-09-23 | MAGELLAN PIPELINE COMPANY, LP - RAPID CITY TERMINAL | Earliest FRV determination | State |
| 2025-06-02 | BLACK HILLS POWER, INC. (LANGE) | Earliest FRV determination | State |
| 2025-06-02 | GCC DACOTAH — high-priority violation on file | Earliest FRV determination | State |
Dates as filed by the agency that recorded the violation. Figures from EPA’s ICIS-AIR download.