We improve and protect water quality, manage and conserve water resources, and effectively manage coastal and inland shorelines to assure our state has sufficient supplies of clean water for ...

We work to safely manage solid, hazardous, and nuclear waste and reduce toxic chemicals in the products you use. We regulate the threats found in everyday household products and help businesses ...

From 1945 until 1987, the U.S. had an insatiable need for plutonium to fuel the country's nuclear arsenal. In the quest to maintain nuclear superiority during the Cold War, the federal government ...

Ecology works with Tribes in a government-to-government relationship to protect and manage shared natural resources and to cooperate across jurisdictions. The unique legal status of Tribes and the ...

Learn more about climate action in Washington. Tribal Climagte Capacity Grants provide support for federally recognized Tribes with lands and territories in Washington State to engage in a range of ...

We are committed to providing equal opportunities, resources, and access to all Washingtonians, regardless of abilities or circumstances.

Our Solid Waste Management program coordinates solid waste and recycling programs in Washington. The state is committed to reducing and recycling waste wherever possible, and safely managing what ...

Clean air is vital for everyone. We manage smoke, vehicle pollution, industrial emissions, and other pollutants so communities have healthy air to breathe. We do this through permits, regulations, and ...

Biosolids are a nutrient-rich product of Washington’s wastewater treatment systems. They're a soil amendment farmers and land managers can use in place of commercial fertilizers. They're also used in ...

Contracts Grant and loan agreements Advisory or non-binding agreements Agreements for funds received for work we performed, leases, and non-financial interagency agreements Below is a list of our ...

Projects that are funded by certain grants and loans must be reviewed by the Department of Archaeology and Historic Preservation and Tribes to qualify for that funding. Cleanup activities, especially ...

We prevent and clean up toxic leaks and spills across the state. We respond to spills, inspect chemical storage and transport facilities, and clean up complex contaminated sites that threaten the ...