EPA Air · stack tests by county and year

Air-emissions stack tests in Forsyth County, North Carolina, 2026

• 26Stack 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 Forsyth County, North Carolina during 2026. 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 Forsyth County facility page.

Forsyth County, North Carolina, 2026

• Inspections 12
• High-priority violations 4

Air-emissions stack tests in Forsyth County, other years

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

Air-emissions stack tests recorded in Forsyth County, North Carolina, 2026

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