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, ...

For more information on the programmatic environmental impact statement currently being developed by the Energy Facility Site Evaluation Council on electrical transmission, please visit their website.

Our agency is dedicated to preserving and protecting the environment in Washington. To learn how we preserve and protect Washington's land, air, and water for today and for future generations, read ...

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 ...

Why do I need a wetland professional? Wetland professionals are generally hired by landowners or developers who want to do something on their property that may affect a wetland. In addition, many ...

Most businesses in Washington generate some type of dangerous waste — waste that’s potentially harmful to our health and environment. You are required to know whether the waste your business generates ...

Our Shoreline Master Programs Handbook provides background about the state Shoreline Management Act and explains state requirements under our Shoreline Master Program Guidelines. The Handbook provides ...

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 develop training to build skills and best practices to support local shoreline planners, wetland specialists, habitat biologists, and other resource managers. This training helps educate those who ...