Puget Sound is critical to our environment, culture, and economy. About two-thirds of the state’s population lives in the Puget Sound region. Our nation’s second largest marine estuary faces a number ...

This legal designation establishes the boundaries for a future groundwater co-management agreement in the Pasco Basin between state and federal water managers. In July 2022, we set in motion a new ...

Complying with the Clean Fuel Standard (CFS) includes registering with Ecology, reporting fuel sales, paying an annual fee, and purchasing credits if you’re a deficit holder. Under the CFS, ...

Much of the pollution that enters the environment comes from the small but steady release of toxic chemicals contained in everyday products, such as brakes on cars, flame retardants in furniture, ...

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 ...

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 ...

If you are temporarily or permanently closing your underground storage tanks, the items below may be required. Be sure to also check with your local city and county authorities to determine if there ...

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 ...

Clean and cool water is vital to salmon recovery across Washington. Industry and land use practices, including agriculture, logging and development, can impact streamside plants and contribute to ...

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, ...