Governing Law and Regulations
Colorado Department of Public Health and Environment (CDPHE) Office of Environment Air Pollution Control Division
See ADDRESSES & CONTACTS for addresses and telephone numbers.
See national section for basic information and federal regulations.
Comparison: State vs. Federal
• Rules. Colorado's air program is shaped by its state implementation plan (SIP). The SIP is a plan that details basic strategies for the implementation, maintenance, and enforcement of the National Ambient Air Quality Standards (NAAQS). As mandated by the Clean Air Act (CAA), each state must adopt and submit a SIP to the U.S. Environmental Protection Agency (EPA) for approval.
• Administration and enforcement. CDPHE's Air Pollution Control Division is responsible for administering and enforcing Colorado's air rules.
COLORADO'S AIR PROGRAM
Colorado's SIP was officially submitted to EPA in January 1972 and is frequently amended to comply with the 1990 CAA amendments. The SIP focuses on permitting, requirements for nonattainment areas, HAPs, and numerous other air-related requirements.
Areas of the state that do not meet the NAAQS are designated as nonattainment areas. Colorado has nonattainment areas for the 8-hour ozone standard. Nonattainment of the NAAQS significantly impacts the permitting procedures and emission limitations imposed on sources of air ...