The Action Agenda for Puget Sound sets cleanup priorities for contaminated sites at priority bays and any location within a half mile of Puget Sound. We're overseeing — and, in many cases, helping to ...

We've always focused on protecting and improving Washington's environment. Our work removes toxics from the environment through prevention and cleanup, improves conditions for the food web, and ...

Our health care team assists healthcare facilities throughout Washington better understand how to manage their pharmaceutical wastes and comply with the Dangerous Waste Regulations. Visit our ...

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, ...

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 ...

We have new requirements under the federal Energy Policy Act to develop an underground storage tank (UST) operator training program. We revised the state’s UST rule (Chapter 173-360A WAC) to include ...

Washington is home to some of the nation's most productive farmlands. The way landowners and operators manage their lands also has important impacts on water quality. We work with landowners, ...

We offer free language services about our programs and services for people whose primary language is not English. For example, we can provide: Information written in your preferred language. Qualified ...

SEPA guidance for determining lead agency and evaluating the proposal. Under the State Environmental Policy Act (SEPA), most new proposals are reviewed by a designated “lead agency.” While this is ...

As Washington’s environmental protection agency, we are deeply committed to protecting, preserving, and enhancing Washington’s environment for current and future generations. Through innovative ...

This is the gateway to Ecology's many web-accessible databases and tools.