Iowa Environment - General regulations & environmental compliance analysis

Iowa Environment - General: What you need to know

Overview of Iowa's Environmental Programs


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In Iowa, the counterpart to the U.S. Environmental Protection Agency (EPA) is the Iowa Department of Natural Resources (DNR). DNR is responsible for protecting Iowa's land, water, and air from pollution. Iowa has been delegated authority by EPA to regulate sources of air emissions, wastewater and stormwater discharges, and solid waste. Iowa has a fully authorized occupational safety and health program for private and public workplaces, which includes hazard communication 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 EPA for approval. In some instances, local regulatory agencies have established additional air quality requirements applicable within their jurisdictions. The Iowa 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, emissions standards, hazardous air pollutants, and various other air-related requirements.

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 requirements within their jurisdictions, as well as any local regulatory requirements.


Iowa protects state water resources by regulating surface water quality, treatment of pollution discharged into water, construction and operation of water treatment facilities, runoff ...

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