Almost 400 water right holders are at risk of having their water shut off in the next Columbia River drought. Historically, Columbia River droughts haven’t come around often, happening about once ...

Store your firewood to keep it dry. As the days grow warmer, let's make sure spring is the only thing in the air! This is a great time of year to manage yard waste responsibly, prepare firewood for ...

Addressing nonpoint pollution remains a key issue across the state. While Ecology leads efforts to restore and protect water quality, it takes everyone working together to clean up our rivers, lakes, ...

The Padilla Bay Reserve offers a variety of educational programs for school groups, children, families, and adults. Our interpretive center features interactive exhibits, saltwater aquariums, and ...

Ecology is considering amendments to Chapter 173-446 WAC and Chapter 173-441 WAC to make improvements to the implementation of the Cap-and-Invest Program, facilitate the linkage of Washington’s carbon ...

We collect shoreline imagery and conduct regular geospatial mapping of the Puget Sound shoreline. State law requires that we provide the following shoreline data: 360-degree on-the-water photos ...

Our Northwest Region (NWRO) includes Island, King, Kitsap, San Juan, Skagit, Snohomish, and Whatcom counties. About two-thirds of the state’s population lives in the Puget Sound region. Our nation’s ...

On April 8, 2025, the Department of Ecology (Ecology) issued a Drought Emergency Declaration for the Yakima, Basin watersheds of Upper Yakima, Lower Yakima, and Naches, which include portions of ...

Our Central Region (CRO) includes Benton, Chelan, Douglas, Kittitas, Klickitat, Okanogan, and Yakima counties. Waters of the state belong to the public and can't be owned by any individual or group.

We invite your comments on this legal agreement and public participation plan for the Stewart House cleanup in Seattle. Ecology is overseeing work at the Stewart House cleanup site in Seattle’s ...

For a third consecutive year, the Upper Yakima, Lower Yakima and Naches watersheds are under an emergency drought declaration. Pierce, King, Snohomish, Skagit and Whatcom counties, along with Okanogan ...

Comment on a legal agreement with DESC to clean up three Seattle properties for redevelopment into affordable housing ...