EPA Air · stack tests by county, year by year

Air-emissions stack tests in Otter Tail County, Minnesota, year by year

• 22Stack tests

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

Otter Tail County, Minnesota, by year

• 2024 5
• 2023 3
• 2020 3
• 2019 3
• 2017 8

All sources in Otter Tail County →

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