We value your input and want to hear from you as we continue to implement the Climate Commitment Act (CCA) across Washington state. Check out our current and upcoming opportunities to give your input, ...

The Y-Valve Education Pilot Program is designed to help participating marinas and yacht clubs educate boaters about their Y-Valves, vessel sewage systems, and best practices for managing blackwater.

Ecology is at work statewide to protect your air, water and quality of life. Learn more about our regional work.

Noise is part of our everyday lives and affects some people more severely than others. This page provides answers to the most frequently asked questions we receive about noise pollution. The ...

Find answers to common questions about the application process, where to find accommodations for submitting an application, how to calculate work experience and more. How do I request accommodations ...

This page provides answers to the most frequently asked questions we receive from local governments about noise pollution and was prepared in conjunction with the Office of Regulatory Assistance. All ...

We hosted three public hearings to share information about the proposed rule, answer attendees’ questions, and record testimony. Written comments receive the same consideration as verbal testimony.

Historically, around 70 percent of the money we manage is passed through to local communities across the state to be used on environmental projects. Some of this is provided directly to local ...

A new competitive grant program from the Washington Department of Ecology will fund projects at 13 landfills across the state to better measure and contain methane ...

Our Southwest Region (SWRO) includes Clallam, Clark, Cowlitz, Grays Harbor, Jefferson, Lewis, Mason, Pacific, Pierce, Skamania, Thurston, and Wahkiakum counties. Puget Sound is critical to our ...

There are sites on our Contaminated Sites List that we know have Per- and polyfluoroalkyl substances (PFAS) contamination. Although PFAS chemicals are not manufactured in Washington, they can still be ...

Arsenic and lead in play-area soil can pose a risk to children. Through our Soil Safety Program, we provide free soil sampling and soil safety actions for qualifying public and private schools, ...