EPA Air · stack tests by county and year
Air-emissions stack tests in Turner County, South Dakota, 2025
- 3Stack tests
A stack test measures what a source actually emits, at the stack, against the limit in its permit. Each row below is one stack test recorded against a source in Turner 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 Turner County facility page.
Turner County, South Dakota, 2025
Air-emissions stack tests in Turner County, other years
Air-emissions stack tests recorded in Turner County, South Dakota, 2025
| Date | Facility | Kind | Agency |
|---|---|---|---|
| 2025-11-18 | NUGEN ENERGY LLC — high-priority violation on file | Pass | State |
| 2025-08-05 | POET BIOPROCESSING - CHANCELLOR, LLC — high-priority violation on file | Pass | State |
| 2025-02-25 | NUGEN ENERGY LLC — high-priority violation on file | Pass | State |
Dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.