EPA Air · stack tests by county, year by year

Air-emissions stack tests in Carbon County, Utah, year by year

• 21Stack tests

A stack test measures what a source actually emits, at the stack, against the limit in its permit. Every year on record for Carbon County, Utah, most recent first. Each year page lists the events recorded at sources in the county that year.

Carbon County, Utah, by year

• 2025 5
• 2022 4
• 2021 3
• 2018 5
• 2017 4

All sources in Carbon County →

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