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 ...

In 2020, Washington Gov. Jay Inslee appointed Laura Watson to serve as the 13th Director of the Department of Ecology. Watson came to the position well-prepared for the challenges that come with ...

This is the gateway to Ecology's many web-accessible databases and tools.

Fire danger is high in many areas because of hot, dry weather. Most of the state is still in a drought. Burn bans are in place across Washington. Check with your local fire district before lighting ...

We measure the temperature of rivers and streams across the state. In summer, we continuously log stream temperatures at 30-minute monitoring intervals at most long-term and basin ambient monitoring ...

We work to ensure that the U.S. Dept. of Energy — the federal agency responsible for Hanford and its cleanup — follows environmental laws. Our agency partners with the U.S. Environmental Protection ...

The Department of Health recommends private well owners test their drinking water every year for coliform bacteria and nitrate. These two contaminates can rapidly affect a person’s health — possibly ...

We use Geographic Information System (GIS) tools and procedures to help accomplish our mission to protect the land, air, and water of the state. This technology is widely used in support of the agency ...

We are accountable to the Legislature, the Governor, and the people of Washington. We make every effort to ensure our work is transparent.

Our Manchester Environmental Laboratory is Washington's primary environmental laboratory, providing scientific services to local, state, federal, and tribal governments. We have a full staff of ...

Our Underground Storage Tank (UST) program is one of the largest pollution prevention programs at Ecology. Every year, just over 3 billion gallons of fuel are stored underground. We inspect tank ...

Our Nuclear Waste Program oversees cleanup at the Hanford Nuclear Reservation near Richland, Washington. The site produced plutonium for military defense between 1943 and 1989, and later served as a ...