EPA Air · stack tests by county and year
Air-emissions stack tests in Brown County, South Dakota, 2021
- 6Stack 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 Brown County, South Dakota during 2021. 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, 2021
Air-emissions stack tests in Brown County, other years
Air-emissions stack tests recorded in Brown County, South Dakota, 2021
| Date | Facility | Kind | Agency |
|---|---|---|---|
| 2021-12-15 | HUB CITY ENERGY, LLC — high-priority violation on file | Pass | State |
| 2021-12-15 | HUB CITY ENERGY, LLC — high-priority violation on file | Pass | State |
| 2021-12-14 | POET BIOREFINING - GROTON | Pass | State |
| 2021-10-06 | NORTHWESTERN ENERGY PUBLIC SERVICE CORPORATION - ABERDEEN | Pass | State |
| 2021-07-14 | BASIN ELECTRIC POWER COOPERATIVE GROTON GENERATING | Pass | State |
| 2021-02-23 | AG PROCESSING INC. | Pass | State |
Dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.