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

Ecology is considering amendments to the Clean Vehicles Program rule. Visit our rulemaking page for more information, including upcoming virtual information sessions and recordings. Washington is one ...

We help lakeshore property owners, communities, counties, state agencies, and Tribes identify and control invasive freshwater aquatic plants. Aquatic invasive plants are not native to Washington’s ...

Join our team to make a difference! It is our mission to protect, preserve, and enhance Washington’s environment for current and future generations. Our partnerships protect and sustain healthy land, ...

Washington's Shoreline Management Act (SMA) applies to private projects on privately owned lands and to private, local government, and state government actions on local or state government lands. The ...

Solar panels convert solar energy into electricity through solar cells (also known as photovoltaic cells). Solar panels sometimes contain toxic metals, which means they may designate as dangerous ...

"That mark that will be found by examining the bed and banks and ascertaining where the presence and action of waters are so common and usual, and so long continued in all ordinary years, as to mark ...

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 ...