Arsenic and lead in play-area soil can pose a risk to children. Through our Soil Safety Program, we provide free soil sampling and soil safety actions for qualifying public and private schools, ...

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 ...

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 ...

The Municipal Water Law (MWL) was passed in 2003. Ecology and the Department of Health (DOH) have different roles and responsibilities when it comes to implementing the MWL. Department of Health ...

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

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 ...

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 ...

The Legislature directed us to update of the strategy under the Integrated Climate Change Response Strategy (Chapter 70A.05 RCW) in partnership with nine other state agencies. The strategy addresses ...

We maintain the spatial datasets described here in order to better describe Washington's diverse natural and cultural environments. As a public service, we have made some of our data available for ...

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 ...

Our GIS staff build and maintain spatial datasets and applications, conduct GIS projects, and publish GIS maps in support of the agency's mission of protecting the land, air, and waters of the state.

Washington has almost 74,000 miles of rivers and streams statewide, more than 4,000 lakes, and almost 3,000 square miles of marine estuaries. We work with engaged citizens, businesses, tribes, and ...