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.
What this page shows
This page covers Clean Air Act facilities in the EPA air register with stack tests in Macon county, IL, in 2026. It lists 12 stack tests recorded in 2026.