EPA Air · stack tests by county and year

Air-emissions stack tests in Shelby County, Alabama, 2025

• 34Stack 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 Shelby County, Alabama 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 Shelby County facility page.

Shelby County, Alabama, 2025

• Inspections 68

Air-emissions stack tests in Shelby County, other years

• 2026 23
• 2024 26
• 2023 39
• 2022 53
• 2021 37
• 2020 41
• 2019 36
• 2018 38
• 2017 37

Air-emissions stack tests recorded in Shelby County, Alabama, 2025

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

What this page shows

This page covers Clean Air Act facilities in the EPA air register with stack tests in Shelby county, AL, in 2025. Stack tests recorded in 2025: 34.