EPA Air · stack tests by county and year
Air-emissions stack tests in Palo Alto County, Iowa, 2023
- 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 Palo Alto County, Iowa during 2023. 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 Palo Alto County facility page.
Air-emissions stack tests in Palo Alto County, other years
Air-emissions stack tests recorded in Palo Alto County, Iowa, 2023
| Date | Facility | Kind | Agency |
|---|---|---|---|
| 2023-12-05 | POET BIOREFINING - LIBERTY (EMMETSBURG) — high-priority violation on file | Pass | State |
| 2023-09-19 | GRAETTINGER MUNICIPAL LIGHT PLANT — high-priority violation on file | Pass | State |
| 2023-09-19 | GRAETTINGER MUNICIPAL LIGHT PLANT — high-priority violation on file | Pass | State |
| 2023-07-06 | AG PROCESSING INC-EMMETSBURG | Pass | State |
Dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.