EPA Air · inspections by county and year
Air-emissions inspections in Brown County, South Dakota, 2026
- 8Inspections
A compliance evaluation is the on-site or file review a state, local or federal air agency records against a permitted source. Each row below is one inspection recorded against a source in Brown County, South Dakota during 2026. 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, 2026
Air-emissions inspections in Brown County, other years
Air-emissions inspections recorded in Brown County, South Dakota, 2026
| Date | Facility | Kind | Agency |
|---|---|---|---|
| 2026-08-25 | BASIN ELECTRIC POWER COOPERATIVE GROTON GENERATING | FCE On-Site | State |
| 2026-07-30 | NUSTAR PIPELINE OPERATING PARTNERSHIP LP - ABERDEEN | FCE On-Site | State |
| 2026-07-29 | AG PROCESSING INC. | FCE On-Site | State |
| 2026-07-29 | NORTHWESTERN ENERGY PUBLIC SERVICE CORPORATION - ABERDEEN | FCE On-Site | State |
| 2026-05-06 | HUB CITY ENERGY, LLC — high-priority violation on file | FCE On-Site | State |
| 2026-05-06 | 3M COMPANY - ABERDEEN — high-priority violation on file | FCE On-Site | State |
| 2026-05-05 | AVERA ST LUKES HOSPITAL | FCE On-Site | State |
| 2026-05-05 | POET BIOREFINING - GROTON | FCE On-Site | State |
Dates as filed by the agency that recorded the inspection. Figures from EPA’s ICIS-AIR download.