EPA Air · stack tests by county and year
Air-emissions stack tests in Washington County, Illinois, 2024
- 4Stack 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 Washington County, Illinois during 2024. 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 Washington County facility page.
Air-emissions stack tests in Washington County, other years
- 2023 3
Air-emissions stack tests recorded in Washington County, Illinois, 2024
| Date | Facility | Kind | Agency |
|---|---|---|---|
| 2024-02-22 | PRAIRIE STATE GENERATING STATION | Pass | State |
| 2024-02-21 | PRAIRIE STATE GENERATING STATION | Pass | State |
| 2024-02-14 | PRAIRIE STATE GENERATING STATION | Pass | State |
| 2024-02-14 | PRAIRIE STATE GENERATING STATION | 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 Washington county, IL, in 2024. Stack tests recorded in 2024: 4.