EPA Air · stack tests by county and year

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

• 24Stack 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 Trumbull 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 Trumbull County facility page.

Trumbull County, Ohio, 2025

• Inspections 14

Air-emissions stack tests in Trumbull County, other years

• 2026 9
• 2024 9
• 2023 46
• 2022 21
• 2021 13
• 2020 15
• 2019 23
• 2018 33
• 2017 11

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

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