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'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 ...

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 ...

Build your path to the future! Immerse yourself in outdoor environmental projects and cultivate a connection to the Northwest, your teammates, and the unique ecological features that define our region ...

We protect the air by implementing Zero Emission Vehicle standards, Clean Car Law, reducing diesel exhaust, and managing the Volkswagen enforcement actions that resulted from federal and state Clean ...

Phases out the use of copper in vehicle brakes and requires manufacturers to certify that brakes comply with the law. Regulates lead, cadmium, phthalates, and other chemicals in children's products.

We maintain the spatial datasets described here in order to better describe Washington's diverse natural and cultural environments. As a public service, we have made some of our data available for ...

Hydrologists measure how much water is in Washington's rivers and streams. The information is used to help manage water supplies, releases, and diversions in support of fish, farms, and domestic water ...

Ecology, local clean air agencies, and Tribes can restrict indoor and outdoor burning under certain conditions. Fire safety burn bans protect people and property when wildfire danger is high. Air ...

The Washington state well report (log) viewer, our most popular online resource, allows you to search for and view detailed records of the construction and subsurface characteristics of individual ...

Our GIS staff build and maintain spatial datasets and applications, conduct GIS projects, and publish GIS maps in support of the agency's mission of protecting the land, air, and waters of the state.

Casey Sixkiller was appointed by Governor Bob Ferguson as the 14th Director of the Washington State Department of Ecology. With more than two decades of experience in federal, Tribal, regional, and ...