DEQ maintains regional offices in the following six cities: Boise, Coeur d'Alene, Idaho Falls, Lewiston, Pocatello and Twin Falls. Four satellite offices are located in Cascade, Grangeville, Kellogg and Soda Springs.

DEQ staff in regional and satellite offices are the service providers of the agency. Each region's staff consists of specialists in air quality, water quality, and waste management and remediation issues. They are knowledgeable about environmental issues in their particular regions and work directly with citizens, businesses, and industries to implement the state's environmental policies and programs.

The map below depicts the counties within each DEQ region. Click on the region name to access information on each region, the names and email addresses of environmental managers in each office, and links to region-specific environmental topics.