Public meeting Feb. 27, 2025, 2 p.m. - Online only. Cap-and-Invest market linkage – please attend to get information on the agreement, ask questions, and provide comments

Webinar Jan. 29, 2025, 5 p.m. - Online. Clean Vehicles Program – for input from organizations and communities on rulemaking-related environmental justice issues

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 environmental groups to reduce, prevent, and eliminate water pollution. We carry out the federal Clean ...

Water & Shorelines. 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 communities and the natural environment.

Spills & Cleanup. We prevent and clean up toxic leaks and spills across the state. We respond to spills, inspect chemical storage and transport facilities, and clean up complex contaminated sites that threaten the health of people and the environment.

Climate change is increasing the uncertainty of Washington’s water supplies. Recent droughts created hardships for farmers, ranchers, small communities and aquatic species. We’re working with the State Legislature to develop permanent funding for …

Climate change is likely to increase the frequency and severity of droughts, causing declines in mountain snowpack and impacting statewide water supplies. Our Water Resources program supports sustainable water resources management to meet the present and future water needs of people and the natural ...

About us. Our vision: Our partnerships protect and sustain healthy land, air, water, and climate in harmony with a strong economy. Our mission: To protect, preserve, and enhance Washington’s environment for current and future generations.

Who we are. 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 the message from our director and our strategic plan.

The Washington state well report (log) viewer allows you to search for and view detailed records of the construction and subsurface characteristics of individual wells. Well reports also contain information about location, owner name, driller name, and the quantity of water a well produces.