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 ...

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 ...

We offer a variety of grants and loans across the state. In addition, we accept bids on various projects and enter into contracts. Here, you can get the latest information on these opportunities and ...

Washington has almost 74,000 miles of rivers and streams statewide, more than 4,000 lakes, and almost 3,000 square miles of marine estuaries. We work with engaged citizens, businesses, tribes, and ...

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 ...

Find guidance on complying with Washington's dangerous waste regulations and safely managing hazardous waste. Find information on Washington's Hazardous Waste Generation Fee and Pollution Prevention ...

Air quality in Washington has greatly improved since 1991 when the Legislature expanded statewide air quality protection. In the mid-1990s, 13 areas of Washington did not meet national health-based ...

These grants are given to local clean air agencies and Ecology regional offices (if there's no local clean air agency) for projects that support wood stove education and enforcement. Wood smoke is one ...

This grant funding requires flow achievement through: ...

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 ...

This page is for information and documents specific to the 2023–25 budget. The process for developing and finalizing a budget is iterative. Budget documents are written, summarized, and compared ...

Working with the Voluntary Cleanup Program (VCP) is a partnership toward cleanup. For the most benefit, we suggest applying to the VCP as early as possible in your cleanup process. A cleanup site is ...