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 ...

In Washington, we have a powerful law that helps state and local agencies identify potential environmental impacts that might result from proposed projects and decisions. This law is called the State ...

Arsenic and lead in play-area soil can pose a risk to children. Through our Soil Safety Program, we provide free soil sampling and soil safety actions for qualifying public and private schools, ...

Washington's working forests cover millions of acres, with the timber industry playing a vital economic role throughout the state. The Department of Natural Resources oversees the Forest Practices ...

We commissioned reports from independent analysts to add to our understanding of the cost impacts to businesses, industries, and consumers when some of Washington's biggest climate initiatives began ...

We accredit labs that analyze wastewater in wastewater treatment plants and industrial facilities. Over the years, our auditing team has developed resources for these labs to use. If you are a ...

The report is two-fold: It is a detailed analysis based on the last ten years of environmental data collected for the site(s) of the transfer operation; and it contains the manufacturer’s design ...

Ecology is at work statewide to protect your air, water and quality of life. Learn more about our regional work.

We post Clean Fuel Standard data and reports to keep people informed. We'll continue to update information over the life of the program. Fuel supply forecast: We and the Washington Department of ...

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 ...

Our Central Region (CRO) includes Benton, Chelan, Douglas, Kittitas, Klickitat, Okanogan, and Yakima counties. Waters of the state belong to the public and can't be owned by any individual or group.

Information for residents of Washington, to help you better understand the work Ecology does, find what's happening near you, and see what you can to do to help protect our environment!