EPA Air · violations by state and industry, year by year

Oil and gas extraction (NAICS 2111): violations in Colorado, year by year

• 951Violations

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. Every year on record for Oil and gas extraction (NAICS 2111) sources in Colorado, most recent first. Each year page lists the events recorded that year.

Oil and gas extraction (NAICS 2111) in Colorado, by year

• 2026 13
• 2025 112
• 2024 176
• 2023 128
• 2022 54
• 2021 172
• 2020 82
• 2019 62
• 2018 79
• 2017 73

Oil and gas extraction (NAICS 2111) sources in Colorado →

Primary NAICS code as filed on the facility record; dates as filed by the agency that recorded the violation. Figures from EPA’s ICIS-AIR download.