EPA Air · stack tests by county and year
Air-emissions stack tests in Guthrie County, Iowa, 2024
- 7Stack 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 Guthrie County, Iowa during 2024. 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 Guthrie County facility page.
Guthrie County, Iowa, 2024
Air-emissions stack tests in Guthrie County, other years
Air-emissions stack tests recorded in Guthrie County, Iowa, 2024
| Date | Facility | Kind | Agency |
|---|---|---|---|
| 2024-12-05 | NORTHERN NATURAL GAS CO-GUTHRE CENTER | Pass | State |
| 2024-07-17 | POET BIOREFINING - COON RAPIDS, LLC | Fail | State |
| 2024-07-16 | POET BIOREFINING - COON RAPIDS, LLC | Pass | State |
| 2024-07-11 | POET BIOREFINING - COON RAPIDS, LLC | Pass | State |
| 2024-07-10 | POET BIOREFINING - COON RAPIDS, LLC | Pass | State |
| 2024-06-05 | POET BIOREFINING - MENLO, LLC | Pass | State |
| 2024-01-10 | POET BIOREFINING - COON RAPIDS, LLC | Pass | State |
Dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.