EPA Air · stack tests by county, year by year

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

• 18Stack tests

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

Juniata County, Pennsylvania, by year

• 2025 3
• 2024 5
• 2023 4
• 2022 3
• 2017 3

All sources in Juniata County →

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