EPA Air · stack tests by county and year
Air-emissions stack tests in Vermilion County, Illinois, 2025
- 6Stack 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 Vermilion County, Illinois 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 Vermilion County facility page.
Vermilion County, Illinois, 2025
- Inspections 15
Air-emissions stack tests recorded in Vermilion County, Illinois, 2025
| Date | Facility | Kind | Agency |
|---|---|---|---|
| 2025-12-09 | GRAIN CRAFT CORN LLC — high-priority violation on file | Fail | State |
| 2025-12-09 | GRAIN CRAFT CORN LLC — high-priority violation on file | Fail | State |
| 2025-05-14 | DYNACHEM INC | Pass | State |
| 2025-05-14 | DYNACHEM INC | Pass | State |
| 2025-05-14 | DYNACHEM INC | Pass | State |
| 2025-05-09 | HEIDELBERG MATERIALS - FAIRMOUNT QUARRY | 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 Vermilion county, IL, for 2025. Stack tests recorded in 2025: 6.