EPA Air · stack tests by county, year by year

Air-emissions stack tests in Venango County, Pennsylvania, year by year

• 54Stack tests

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

Venango County, Pennsylvania, by year

• 2026 5
• 2025 7
• 2024 4
• 2023 6
• 2022 3
• 2021 4
• 2019 3
• 2018 12
• 2017 10

All sources in Venango County →

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