EPA Air · stack tests by county and year
Air-emissions stack tests in Emmet County, Iowa, 2025
- 3Stack 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 Emmet 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 Emmet County facility page.
Air-emissions stack tests in Emmet County, other years
- 2020 4
Air-emissions stack tests recorded in Emmet County, Iowa, 2025
| Date | Facility | Kind | Agency |
|---|---|---|---|
| 2025-07-31 | ESTHERVILLE MUNICIPAL UTILITIES-POWERPLT | Pass | State |
| 2025-06-24 | ESTHERVILLE MUNICIPAL UTILITIES-POWERPLT | Pass | State |
| 2025-06-24 | ESTHERVILLE MUNICIPAL UTILITIES-POWERPLT | Pass | State |
Dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.