We also provide educational resources to property owners who want to drill a new well, maintain a well, or close down (decommission) an unused well. Well drillers and property owners have the ...

We improve and protect water quality, manage and conserve water resources, and effectively manage coastal and inland shorelines to assure our state has sufficient supplies of clean water for ...

There are sites on our Contaminated Sites List that we know have Per- and polyfluoroalkyl substances (PFAS) contamination. Although PFAS chemicals are not manufactured in Washington, they can still be ...

Use this form to update your contact information for the Wastewater Operator Certification program.

Small sources regulated by Ecology must send their emissions data to us. We collect emissions data through the Source Management System (SMS) to find out how much pollution is in the air and to track ...

Recycling helps reduce pollution, save energy, conserve natural resources, and support local jobs and businesses. Follow these tips to make sure your recycling efforts don't go to waste. Even items ...

The FAC provides us with advice and guidance for the effective and efficient administration of state and federal grant and loan programs. The purpose of the council is to: Provide feedback on ...

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.

From 1945 until 1987, the U.S. had an insatiable need for plutonium to fuel the country's nuclear arsenal. In the quest to maintain nuclear superiority during the Cold War, the federal government ...

Our Solid Waste Management program coordinates solid waste and recycling programs in Washington. The state is committed to reducing and recycling waste wherever possible, and safely managing what ...

Accidental spills of dangerous materials and past business practices have contaminated land and water throughout Washington. The Toxics Cleanup Program (TCP) works to remedy these situations, which ...

All radioactive contaminants have the potential to cause cancer. Chemical contaminants can cause cancer and other health effects. At Hanford's 100 Area, along the Columbia River, strontium-90 and ...