EPA Air · stack tests by county and year

Air-emissions stack tests in Tulare County, California, 2025

• 163Stack 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 Tulare County, California 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 Tulare County facility page.

Tulare County, California, 2025

• Inspections 71

Air-emissions stack tests in Tulare County, other years

• 2026 31
• 2024 195
• 2023 110
• 2022 210
• 2021 273
• 2020 320
• 2019 217
• 2018 116
• 2017 121

Air-emissions stack tests recorded in Tulare County, California, 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 Tulare, CA, in 2025. It lists 157 stack tests recorded in 2025.