Streams that wind through Western Washington’s forests are essential habitat for frogs, bugs, and lots of other tiny critters. These streams are also a critical source of clean, cool water downstream.

To request ADA accommodation, contact Ecology's ADA Coordinator by email at [email protected], or call 360-407-6831, 711 (relay service), or 877-833-6341 (TTY). More about our accessibility ...

The Weldcraft Steel & Marine site is one of 12 Bellingham Bay cleanup sites coordinated through the Bellingham Bay Action ...

Join the walking tour to learn about this cleanup site on the Bellingham Bay waterfront. Ecology is currently asking for public comments on a draft cleanup action plan, agreed order, State ...

In many parts of western Washington, population growth and development is spreading into once-rural areas, putting new pressures on water supplies and potentially impacting the water needed by fish in ...

The Department of Ecology is beginning a rulemaking for a new rule, Chapter 173-217 WAC to establish a formal permitting program for projects that could alter or impact wetlands, streams, and other ...

The Washington Department of Ecology is expanding the drought emergency declared in April to include areas in the North and Central Cascade Mountains and parts of the Puget Sound area.

The penalties ranged from $194 to $54,868 and were based on the amount of plastic and recycled content each plastic producer sold in Washington in 2024.

Department of Ecology seeks public comment on restrictions and reporting requirements for PFAS in 12 product categories.

Brownfields transform neglected areas into valuable community assets through environmental cleanup and redevelopment, fostering economic growth and improving public health.

Ecology proposed regulatory updates plus over $130 million in state funding will get more zero-emission semi-trucks operating in Washington.