EPA Air · inspections by county and year

Air-emissions inspections in Middlesex County, Massachusetts, 2020

• 103Inspections

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 Middlesex County, Massachusetts during 2020. 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 Middlesex County facility page.

Air-emissions inspections in Middlesex County, other years

• 2026 124
• 2025 190
• 2024 185
• 2023 106
• 2022 63
• 2021 100
• 2019 132
• 2018 127
• 2017 169

Air-emissions inspections recorded in Middlesex County, Massachusetts, 2020

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