EPA Air · stack tests by county and year

Air-emissions stack tests in Belmont County, Ohio, 2026

• 206Stack 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 Belmont County, Ohio 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 Belmont County facility page.

Air-emissions stack tests in Belmont County, other years

• 2025 210
• 2024 257
• 2023 276
• 2022 234
• 2021 208
• 2020 200
• 2019 169
• 2018 142
• 2017 90

Air-emissions stack tests recorded in Belmont County, Ohio, 2026

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