Rulemaking is when we propose and adopt rules to protect the environment and public health. The Washington State Legislature guides all state rulemaking through a law known as the Administrative ...

Sign up for the CCA bulletin to get the lastest information about the rulemaking and implementation of the Climate Commitment Act.

In partnership with the state Department of Commerce, we are leading a group of state agencies to identify actions to improve siting and permitting of clean energy projects in Washington. The council ...

The water year begins Oct. 1 and ends Sept. 30. Three months before the calendar year changes, hydrologists and other water scientists mark the start of the new water year. Starting the water year in ...

Our agency is dedicated to preserving and protecting the environment in Washington. To learn how we preserve and protect Washington's land, air, and water for today and for future generations, read ...

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.

Businesses that generate dangerous waste must also handle used and waste oil properly. While used oil is a recyclable commodity, waste oil must be handled by a permitted treatment, storage, and ...

Our mission is to keep Washington waters clean. Use this site to find out if a lake, stream, or marine beach near you is healthy or polluted. Learn about water cleanup plans and how we’re addressing ...

We are committed to providing equal opportunities, resources, and access to all Washingtonians, regardless of abilities or circumstances.

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 ...

Current Washington Conservation Corps members can find information on how to access benefits, view paychecks, report an injury, and more. Download and complete required forms and send to our WCC Admin ...

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 ...