EPA Air · violations by county and year

High-priority air violations in Contra Costa County, California, 2018

• 101Violations

A high-priority violation is the most serious class of Clean Air Act non-compliance an agency records against a source; a federally reportable violation is the next step down in severity. Each row below is one violation recorded against a source in Contra Costa County, California during 2018. 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 Contra Costa County facility page.

Contra Costa County, California, 2018

• Inspections 15
• Stack tests 5

High-priority air violations in Contra Costa County, other years

• 2026 106
• 2025 284
• 2024 174
• 2023 385
• 2022 317
• 2021 196
• 2020 46
• 2019 145
• 2017 66

High-priority air violations recorded in Contra Costa County, California, 2018

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