EPA Air · stack tests by county and year
Air-emissions stack tests in Itasca County, Minnesota, 2025
- 4Stack 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 Itasca 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 Itasca County facility page.
Itasca County, Minnesota, 2025
Air-emissions stack tests in Itasca County, other years
Air-emissions stack tests recorded in Itasca County, Minnesota, 2025
| Date | Facility | Kind | Agency |
|---|---|---|---|
| 2025-09-22 | MINNESOTA POWER - BOSWELL ENERGY CENTER | Pass | State |
| 2025-07-22 | MINNESOTA POWER - BOSWELL ENERGY CENTER | Pass | State |
| 2025-05-07 | MINNESOTA POWER - BOSWELL ENERGY CENTER | Pass | State |
| 2025-03-04 | MINNESOTA POWER - BOSWELL ENERGY CENTER | Pass | State |
Dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.