Governing Law and Regulations
Iowa Department of Natural Resources (DNR) Environmental Services Division Air Quality Bureau
Linn County Public Health Department Air Quality Division
Polk County Public Works Air Quality Division
See ADDRESSES & CONTACTS for addresses and telephone numbers.
See national section for basic information and federal regulations.
Comparison: State vs. Federal
• Rules. Iowa's air program is shaped by its state implementation plan (SIP), which sets forth 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. In some instances, local regulatory agencies have established additional air quality requirements applicable within their jurisdictions.
• Administration and enforcement. DNR's Air Quality Bureau is responsible for administering and enforcing Iowa's air pollution rules. The local air quality agencies are responsible for implementing and enforcing the federal and state ...