New PFAS rules took effect in 2025, making consumer products safer in Washington. See how Ecology is reducing pollution at ...

We are responsible for protecting, preserving, and enhancing Washington’s environment. Permits and certifications ensure that individuals and businesses understand and comply with all applicable ...

Water quality issues. Fish and wildlife protection or enhancement in or adjacent to waters of the state, such as streams, lakes, wetlands, or the ocean. To be considered, projects must provide primary ...

The sell-through period allows in-state retailers and salons to sell or use for services cosmetic products that were in their possession before Jan. 1, 2025, even if they contain restricted chemicals, ...

In this edition of Behind the Scenes at the Nuclear Waste Program, we sat down with Amie Green, our program's Single-Shell ...

State Route 112 faces numerous climate-related threats. Photo courtesy Washington State Department of Transportation. Washington’s coastlines might be considered the canary in the coal mine for the ...

Determining processes and strategies for emission reductions to achieve air quality targets in overburdened communities initially identified by Ecology. Other rule language necessary for ...

The 2021 plastics law will reduce the use of covered single-use plastics. This law aims to reduce the production of new plastic and drive the development of new markets for Washington’s recyclable ...

We plan to hold public meetings to provide information about the rulemaking and seek your input. We'll update this page with meeting specifics. To get updates about these meetings and this rulemaking, ...

Ecology is starting the rulemaking process to amend Chapters 173-18, -20, -22, -26, and -27 under the Shoreline Management Act. Add requirements for local governments to address the impact of sea ...

Arlington Microgrid and Clean Energy Center in Snohomish County. Photo courtesy Snohomish Public Utility District. Washington is a national leader in developing clean energy, yet we face historic ...

Tugboats. Street sweepers. Freight switchers. Ambulances. Box trucks. All of these vehicles typically run on diesel engines that produce harmful exhaust. But there is cleaner technology available, and ...