EPA Air · stack tests by county and year
Air-emissions stack tests in Ida 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 Ida 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 Ida County facility page.
Air-emissions stack tests in Ida County, other years
Air-emissions stack tests recorded in Ida County, Iowa, 2025
| Date | Facility | Kind | Agency |
|---|---|---|---|
| 2025-12-11 | POET BIOREFINING - ARTHUR, LLC — high-priority violation on file | Pass | State |
| 2025-06-05 | POET BIOREFINING - ARTHUR, LLC — high-priority violation on file | Pass | State |
| 2025-06-04 | POET BIOREFINING - ARTHUR, LLC — high-priority violation on file | Pass | State |
Dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.
What this page shows
This page covers Clean Air Act facilities in the EPA air register with stack tests in Ida county, IA, in 2025. It lists 3 stack tests recorded in 2025.