The Air Quality Division monitors ambient air pollution, maintains emissions inventories, forecasts conditions, and develops state air quality rules under state and federal clean air laws.
The Environmental Complaints and Local Services (ECLS) Division brings DEQ programs to the local level across the state.
The Executive Offices provide leadership and oversight—handling executive direction, legal affairs, process improvement, communications and public reporting.
The Land Protection Division has diverse duties. It inspects and permits hazardous waste and solid waste treatment, storage and disposal facilities.
SELS provides chemical, bacteriological, and radiological analysis of a wide array of sample types including water, sediments, soil, wastes, and more.
The Water Quality Division regulates public drinking water and wastewater systems, certifies operators, and upholds statewide surface‑water quality standards for lakes, rivers, and streams.
