Arsenic and lead in soil puts people at risk, especially children. We provide free advice for developers and property owners on how to sample soil for arsenic and lead contamination and to complete ...

We post all bidding opportunities in the Washington State Business Solution (WEBS). However, the WEBS system doesn't support all the document file types and sizes related to this kind of work, so we ...

For the 2025 legislative session, we are proposing the agency request bills below to the Governor’s Office for consideration. As a covered agency under the HEAL Act (Chapter 70A.02 RCW), we are ...

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 ...

The long-term sustainability of the solid waste funding system has been a concern of local governments in particular for more than two decades. We have released several reports over this time, ...

The Water Transfer Working Group (WTWG) is a voluntary team of agency representatives, water managers, and water users who provide technical review of proposed water-right transfers in the Yakima ...

The Water Resources Advisory Committee (WRAC) is a forum for issues related to water resources management in Washington state. This stakeholder group is comprised of about 40 people representing state ...

Ecology operates as a public service and governmental agency. We are proud of our accountability and transparency, and here you'll find information about our budget and our legislative requests.

We're working neighborhood-by-neighborhood to replace soil in qualifying residential yards in the Tacoma Smelter Plume area. We will contact you to discuss options when we reach your neighborhood. For ...

Ecology began a centrally coordinated unmanned aerial systems (UAS), or drone program, in early 2022 to provide guidance and oversight for diverse data collection needs. The program supports ...

Follow us on social media to learn more about our work to protect, preserve, and enhance Washington's environment.

Stormwater washes pollutants into aquatic ecosystems degrading water quality, impacting aquatic life, and threatening human health. In 1987, the U.S. Congress established the National Estuary Program ...