In honor of Critter of the Month's tenth birthday, let's explore the world of one of Puget Sound's most graceful ten-legged ...

The 2025 conference was a homecoming for many community leaders and an eye-opening orientation for those brand new to ...

For more than a year, we have been working with Tribes, local governments, state agencies, and the public to help us update ...

Ecology's previous round of Prevent Nonattainment grants helped agencies in Okanogan County improve air quality to meet ...

We're looking into harmful chemicals in everyday products – like paints and nail polish – and researching safer alternatives.

Ecology is beginning rulemaking to amend five instream flow rules, chapters 173-507, 173-508, 173-513, 173-514, and 173-515 WAC. Ecology is starting rulemaking to amend five Instream Flow Rules in ...

Waste & Toxics. 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 ...

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 Washington Department of Ecology is proposing updates to the state’s Clean Fuel Standard, a policy working to reduce carbon pollution from transportation fuels used in Washington. Many of the ...

The draft plan details the problem, the science, and the solutions to reduce human sources of nutrients and get to healthier oxygen levels in Puget Sound. The plan outlines approaches to get to ...

Documents available for review: Consent Decree (6.4 MB): To move the cleanup forward, Ecology will enter into a legal agreement called a consent decree with the parties responsible for cleanup — ...