EPA Air · stack tests by county and year
Air-emissions stack tests in Brown County, South Dakota, 2023
- 13Stack 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 2023. 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, 2023
Air-emissions stack tests in Brown County, other years
Air-emissions stack tests recorded in Brown County, South Dakota, 2023
| Date | Facility | Kind | Agency |
|---|---|---|---|
| 2023-12-28 | BASIN ELECTRIC POWER COOPERATIVE GROTON GENERATING | Pass | State |
| 2023-12-19 | HUB CITY ENERGY, LLC — high-priority violation on file | Fail | State |
| 2023-11-21 | POET BIOREFINING - GROTON | Pass | State |
| 2023-11-15 | HUB CITY ENERGY, LLC — high-priority violation on file | Pass | State |
| 2023-10-25 | NORTHWESTERN ENERGY PUBLIC SERVICE CORPORATION - ABERDEEN | Pass | State |
| 2023-10-10 | AG PROCESSING INC. | Pass | State |
| 2023-09-20 | BASIN ELECTRIC POWER COOPERATIVE GROTON GENERATING | Pass | State |
| 2023-09-13 | HUB CITY ENERGY, LLC — high-priority violation on file | Fail | State |
| 2023-06-06 | AG PROCESSING INC. | Fail | State |
| 2023-04-05 | HUB CITY ENERGY, LLC — high-priority violation on file | Pass | State |
| 2023-03-14 | AG PROCESSING INC. | Fail | State |
| 2023-01-10 | HUB CITY ENERGY, LLC — high-priority violation on file | Pass | State |
| 2023-01-10 | POET BIOREFINING - GROTON | Pass | State |
Dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.