EPA Air · inspections by county and year
Air-emissions inspections in Clark County, South Dakota, 2026
- 3Inspections
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 Clark 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 Clark County facility page.
Air-emissions inspections in Clark County, other years
Air-emissions inspections recorded in Clark County, South Dakota, 2026
| Date | Facility | Kind | Agency |
|---|---|---|---|
| 2026-08-11 | NORTHWESTERN ENERGY PUBLIC SERVICE CORPORATION - CLARK | FCE On-Site | State |
| 2026-07-10 | WILLOW LAKE COMPRESSOR STATION | FCE On-Site | State |
| 2026-07-10 | WILLOW LAKE COMPRESSOR STATION | FCE On-Site | State |
Dates as filed by the agency that recorded the inspection. Figures from EPA’s ICIS-AIR download.