EPA Air · stack tests by county and year
Air-emissions stack tests in Dakota County, Minnesota, 2021
- 27Stack 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 Dakota County, Minnesota 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 Dakota County facility page.
Dakota County, Minnesota, 2021
Air-emissions stack tests in Dakota County, other years
Air-emissions stack tests recorded in Dakota County, Minnesota, 2021
| Date | Facility | Kind | Agency |
|---|---|---|---|
| 2021-12-08 | FLINT HILLS RESOURCES PINE BEND REFINERY | Pass | State |
| 2021-12-07 | GOPHER RESOURCE LLC | Pass | State |
| 2021-10-28 | DAKOTA AGGREGATES - UMORE PARK FACILITY | Pass | State |
| 2021-10-20 | FLINT HILLS RESOURCES PINE BEND REFINERY | Pass | State |
| 2021-10-18 | FLINT HILLS RESOURCES PINE BEND REFINERY | Pass | State |
| 2021-10-18 | NORTHERN NATURAL GAS - FARMINGTON | Pass | State |
| 2021-10-12 | EGA SPECTRO ALLOYS | Fail | State |
| 2021-09-20 | AMRIZE MIDWEST INC - NONMETALLIC | Pass | State |
| 2021-08-25 | AMRIZE MIDWEST INC - NONMETALLIC | Pass | State |
| 2021-08-16 | FLINT HILLS RESOURCES PINE BEND REFINERY | Pass | State |
| 2021-08-11 | FLINT HILLS RESOURCES PINE BEND REFINERY | Pass | State |
| 2021-08-10 | FLINT HILLS RESOURCES PINE BEND REFINERY | Pass | State |
| 2021-07-28 | FLINT HILLS RESOURCES PINE BEND REFINERY | Pass | State |
| 2021-07-27 | MET COUNCIL - SENECA WWTP | Pass | State |
| 2021-07-21 | MCNAMARA CONTRACTING INC | Pass | State |
| 2021-07-13 | FLINT HILLS RESOURCES PINE BEND REFINERY | Pass | State |
| 2021-06-29 | PINE BEND PAVING HOT-MIX ASPHALT PLANT | Pass | State |
| 2021-05-18 | FLINT HILLS RESOURCES PINE BEND REFINERY | Pass | State |
| 2021-03-09 | ARDENT MILLS LLC HASTINGS, MN | Pass | State |
| 2021-03-03 | FLINT HILLS RESOURCES PINE BEND REFINERY | Pass | State |
| 2021-02-23 | FLINT HILLS RESOURCES PINE BEND REFINERY | Pass | State |
| 2021-02-02 | FLINT HILLS RESOURCES PINE BEND REFINERY | Pass | State |
| 2021-02-01 | DAKOTA AGGREGATES - UMORE PARK FACILITY | Pass | State |
| 2021-01-06 | FLINT HILLS RESOURCES PINE BEND REFINERY | Pass | State |
| 2021-01-06 | FLINT HILLS RESOURCES PINE BEND REFINERY | N/A | State |
| 2021-01-06 | GOPHER RESOURCE LLC | Pass | State |
| 2021-01-05 | FLINT HILLS RESOURCES PINE BEND REFINERY | Pass | State |
Dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.