EPA Air · stack tests by county, year by year

Air-emissions stack tests in Forsyth County, North Carolina, year by year

• 142Stack tests

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

Forsyth County, North Carolina, by year

• 2026 26
• 2025 10
• 2024 8
• 2023 10
• 2022 11
• 2021 10
• 2020 23
• 2019 10
• 2018 7
• 2017 27

All sources in Forsyth County →

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