EPA Air · stack tests by county, year by year

Air-emissions stack tests in McKenzie County, North Dakota, year by year

• 540Stack tests

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

McKenzie County, North Dakota, by year

• 2026 35
• 2025 79
• 2024 64
• 2023 71
• 2022 43
• 2021 57
• 2020 50
• 2019 58
• 2018 40
• 2017 43

All sources in McKenzie County →

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