EPA Air · inspections by county and year

Air-emissions inspections in Frederick County, Maryland, 2026

• 3Inspections

A compliance evaluation is the on-site or file review a state, local or federal air agency records against a permitted source. Each row below is one inspection recorded against a source in Frederick County, Maryland 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 Frederick County facility page.

Air-emissions inspections in Frederick County, other years

• 2025 11
• 2024 31
• 2023 36
• 2022 26
• 2021 26
• 2020 19
• 2019 25
• 2018 33
• 2017 43

Air-emissions inspections recorded in Frederick County, Maryland, 2026

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