Velarion Records

The 340B register and hospital finances — joined, watched daily, delivered.

EPA Air · stack tests by county and year

Air-emissions stack tests in Brown County, South Dakota, 2022

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 2022. 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, 2022

Air-emissions stack tests in Brown County, other years

Air-emissions stack tests recorded in Brown County, South Dakota, 2022

DateFacilityKindAgency
2022-12-28HUB CITY ENERGY, LLC — high-priority violation on filePassState
2022-12-20POET BIOREFINING - GROTONPassState
2022-12-20POET BIOREFINING - GROTONPassState
2022-11-08POET BIOREFINING - GROTONFailState
2022-10-26NORTHWESTERN ENERGY PUBLIC SERVICE CORPORATION - ABERDEENPassState
2022-09-21BASIN ELECTRIC POWER COOPERATIVE GROTON GENERATINGPassState
2022-02-24AG PROCESSING INC.PassState

Dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.