EPA Air · stack tests by county and year
Air-emissions stack tests in Hennepin County, Minnesota, 2025
- 12Stack 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 Hennepin County, Minnesota during 2025. 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 Hennepin County facility page.
Hennepin County, Minnesota, 2025
Air-emissions stack tests in Hennepin County, other years
Air-emissions stack tests recorded in Hennepin County, Minnesota, 2025
| Date | Facility | Kind | Agency |
|---|---|---|---|
| 2025-12-11 | ABBOTT NORTHWESTERN HOSPITAL | Pass | State |
| 2025-12-04 | ABBOTT NORTHWESTERN HOSPITAL | Pass | State |
| 2025-11-04 | VEOLIA WTS SOLUTIONS USA INC | Pass | State |
| 2025-10-08 | ABBOTT NORTHWESTERN HOSPITAL | Pass | State |
| 2025-08-07 | INTERPLASTIC CORP - MINNEAPOLIS PLANT | Pass | State |
| 2025-07-28 | HENNEPIN ENERGY RECOVERY CENTER | Pass | State |
| 2025-07-10 | CS MCCROSSAN CONSTRUCTION INC | Pass | State |
| 2025-07-08 | VEOLIA WTS SOLUTIONS USA INC | Pass | State |
| 2025-05-28 | ABBOTT NORTHWESTERN HOSPITAL | N/A | State |
| 2025-04-10 | MACTAC | Pass | State |
| 2025-02-25 | XCEL ENERGY - RIVERSIDE GENERATING PLANT | Pass | State |
| 2025-01-09 | ENVIRO-CHEM | Pass | State |
Dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.