EPA Air · stack tests by county and year

Air-emissions stack tests in Franklin County, Missouri, 2023

• 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 Franklin County, Missouri during 2023. 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 Franklin County facility page.

Franklin County, Missouri, 2023

• Inspections 8
• High-priority violations 5

Air-emissions stack tests in Franklin County, other years

• 2025 7
• 2024 15
• 2018 20
• 2017 24

Air-emissions stack tests recorded in Franklin County, Missouri, 2023

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