EPA Air · stack tests by county, year by year

Air-emissions stack tests in Sangamon County, Illinois, year by year

• 31Stack tests

A stack test measures what a source actually emits, at the stack, against the limit in its permit. Every year on record for Sangamon County, Illinois, most recent first. Each year page lists the events recorded at sources in the county that year.

Sangamon County, Illinois, by year

• 2023 5
• 2020 5
• 2019 4
• 2018 7
• 2017 10

All sources in Sangamon County →

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