EPA Air · stack tests by county and year
Air-emissions stack tests in Macon County, Illinois, 2026
- 12Stack 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 Macon County, Illinois during 2026. 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 Macon County facility page.
Macon County, Illinois, 2026
Air-emissions stack tests in Macon County, other years
Air-emissions stack tests recorded in Macon County, Illinois, 2026
| Date | Facility | Kind | Agency |
|---|---|---|---|
| 2026-07-08 | PRIMARY PRODUCTS INGREDIENTS AMERICAS LLC | Pass | State |
| 2026-07-08 | PRIMARY PRODUCTS INGREDIENTS AMERICAS LLC | Pass | State |
| 2026-06-25 | ARCHER DANIELS MIDLAND CO — high-priority violation on file | Pass | State |
| 2026-06-25 | ARCHER DANIELS MIDLAND CO — high-priority violation on file | Pass | State |
| 2026-06-25 | ARCHER DANIELS MIDLAND CO — high-priority violation on file | Pass | State |
| 2026-06-24 | ARCHER DANIELS MIDLAND CO — high-priority violation on file | Pass | State |
| 2026-06-24 | ARCHER DANIELS MIDLAND CO — high-priority violation on file | Pass | State |
| 2026-06-24 | ARCHER DANIELS MIDLAND CO — high-priority violation on file | Pass | State |
| 2026-06-23 | ARCHER DANIELS MIDLAND CO — high-priority violation on file | Pass | State |
| 2026-06-23 | ARCHER DANIELS MIDLAND CO — high-priority violation on file | Pass | State |
| 2026-06-23 | ARCHER DANIELS MIDLAND CO — high-priority violation on file | Pass | State |
| 2026-04-29 | ARCHER DANIELS MIDLAND CO — high-priority violation on file | Fail | State |
Dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.