EPA Air · stack tests by county and year
Air-emissions stack tests in Brown County, South Dakota, 2018
- 7Stack 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 2018. 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, 2018
Air-emissions stack tests in Brown County, other years
Air-emissions stack tests recorded in Brown County, South Dakota, 2018
| Date | Facility | Kind | Agency |
|---|---|---|---|
| 2018-11-28 | NORTHWESTERN ENERGY PUBLIC SERVICE CORPORATION - ABERDEEN | Pass | State |
| 2018-11-07 | POET BIOREFINING - GROTON | Pass | State |
| 2018-09-19 | POET BIOREFINING - GROTON | Pass | State |
| 2018-08-23 | BASIN ELECTRIC POWER COOPERATIVE GROTON GENERATING | Pass | State |
| 2018-04-27 | POET BIOREFINING - GROTON | Pass | State |
| 2018-04-19 | POET BIOREFINING - GROTON | Pass | State |
| 2018-02-27 | HUB CITY 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.