EPA Air · violations by county and year
High-priority air violations in Hamilton County, Iowa, 2025
- 3Violations
A high-priority violation is the most serious class of Clean Air Act non-compliance an agency records against a source; a federally reportable violation is the next step down in severity. Each row below is one violation recorded against a source in Hamilton 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 Hamilton County facility page.
Hamilton County, Iowa, 2025
High-priority air violations in Hamilton County, other years
- 2017 4
High-priority air violations recorded in Hamilton County, Iowa, 2025
| Date | Facility | Kind | Agency |
|---|---|---|---|
| 2025-04-22 | VAN DIEST SUPPLY CO | Earliest FRV determination | State |
| 2025-04-07 | POET BIOREFINING - JEWELL | Earliest FRV determination | State |
| 2025-01-30 | POET BIOREFINING - JEWELL | Earliest FRV determination | State |
Dates as filed by the agency that recorded the violation. Figures from EPA’s ICIS-AIR download.