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, ...

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 ...

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 ...

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, ...

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 ...

Local Emergency Planning Committees (LEPCs) are made up of a variety of representatives across Washington. These representatives are responsible for: Developing a local emergency plan for their ...

We use Geographic Information System (GIS) tools and procedures to help accomplish our mission to protect the land, air, and water of the state. This technology is widely used in support of the agency ...

The proposed 95.6 acre bank is located in Whatcom County, near the City of Bellingham. The bank is currently in the technical review process.

We work to safely manage solid, hazardous, and nuclear waste and reduce toxic chemicals in the products you use. We regulate the threats found in everyday household products and help businesses ...