EPA Air · stack tests by county and year

Air-emissions stack tests in Lucas County, Ohio, 2025

• 209Stack 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 Lucas County, Ohio during 2025. 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 Lucas County facility page.

Lucas County, Ohio, 2025

• Inspections 47
• High-priority violations 4

Air-emissions stack tests in Lucas County, other years

• 2026 100
• 2024 340
• 2023 187
• 2022 59
• 2021 147
• 2020 74
• 2019 183
• 2018 218
• 2017 320

Air-emissions stack tests recorded in Lucas County, Ohio, 2025

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