EPA Air · stack tests by county and year

Air-emissions stack tests in Christian County, Illinois, 2026

• 3Stack 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 Christian 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 Christian County facility page.

Air-emissions stack tests in Christian County, other years

• 2025 6
• 2023 7
• 2020 3
• 2019 4
• 2018 5
• 2017 6

Air-emissions stack tests recorded in Christian County, Illinois, 2026

Dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.