EPA Air · stack tests by county and year
Air-emissions stack tests in Will County, Illinois, 2026
- 10Stack 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 Will 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 Will County facility page.
Will County, Illinois, 2026
Air-emissions stack tests in Will County, other years
Air-emissions stack tests recorded in Will County, Illinois, 2026
| Date | Facility | Kind | Agency |
|---|---|---|---|
| 2026-06-23 | VECTOR PIPELINE | Pass | State |
| 2026-06-11 | CITGO PETROLEUM CORP — high-priority violation on file | Pending | State |
| 2026-06-11 | CITGO PETROLEUM CORP — high-priority violation on file | Pending | State |
| 2026-06-10 | CITGO PETROLEUM CORP — high-priority violation on file | Pending | State |
| 2026-06-09 | CITGO PETROLEUM CORP — high-priority violation on file | Pending | State |
| 2026-04-01 | ANR PIPELINE CO | Pass | State |
| 2026-03-30 | CITGO PETROLEUM CORP — high-priority violation on file | Pass | State |
| 2026-03-30 | EXXONMOBIL OIL CORP | Pass | State |
| 2026-03-05 | EXXON MOBIL OIL CORP — high-priority violation on file | Pass | State |
| 2026-01-13 | GUARDIAN PIPELINE CO | Pass | State |
Dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.