EPA Air · stack tests by county and year
Air-emissions stack tests in Mitchell County, Iowa, 2025
- 10Stack 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 Mitchell County, Iowa 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 Mitchell County facility page.
Air-emissions stack tests in Mitchell County, other years
Air-emissions stack tests recorded in Mitchell County, Iowa, 2025
| Date | Facility | Kind | Agency |
|---|---|---|---|
| 2025-10-16 | ABSOLUTE ENERGY LLC-SAINT ANSGAR (MONA) | Pass | State |
| 2025-10-09 | ABSOLUTE ENERGY LLC-SAINT ANSGAR (MONA) | Pass | State |
| 2025-10-02 | OSAGE MUNICIPAL UTILITIES | Pass | State |
| 2025-10-02 | OSAGE MUNICIPAL UTILITIES | Pass | State |
| 2025-10-01 | OSAGE MUNICIPAL UTILITIES | Pass | State |
| 2025-10-01 | OSAGE MUNICIPAL UTILITIES | Pass | State |
| 2025-06-17 | ABSOLUTE ENERGY LLC-SAINT ANSGAR (MONA) | Pass | State |
| 2025-06-12 | ABSOLUTE ENERGY LLC-SAINT ANSGAR (MONA) | Pass | State |
| 2025-06-11 | ABSOLUTE ENERGY LLC-SAINT ANSGAR (MONA) | Fail | State |
| 2025-06-10 | ABSOLUTE ENERGY LLC-SAINT ANSGAR (MONA) | Pass | State |
Dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.