In recent history, Washington has experienced three very strong El Niño events: 2016, 1998 and 1984. All three of those years ...

As we continue to celebrate American Wetlands Month, we encourage you to look at the plants in your area. One way to tell whether you're looking at a wetland is by identifying the plants. Wetlands ...

At Spanaway Lake, toxic algal blooms mean the lake closes for recreation to keep people safe. Ecology is starting a rulemaking to address toxins produced during harmful algal blooms in freshwater.

The Puget Sound region and Washington coast have many beaches where you can spend the day relaxing, exploring and playing in the water. As you get ready to plan your next beach trip, check if a beach ...

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 ...

We accredit environmental laboratories — including those that analyze drinking water, wastewater, surface water, groundwater, stormwater, biosolids, fish tissue, soil, sediments, and solid and aqueous ...

Waters of the state belong to the public and can't be owned by any individual or group. Instead, a person or group may be granted a right to use a volume of water, for a defined purpose, in a specific ...

On the morning of Tuesday, May 26, 2026, Ecology was informed by the Washington State Emergency Management division that white liquor was released from a storage tank at Nippon Dynawave in Longview.

For a limited time, we’re offering a program to help you obtain senior mitigation water to offset your use and reduce the ...

On Thursday, Congress approved a record budget for cleanup for the Hanford Site in Washington state, one of the world’s most contaminated and complex nuclear cleanup projects. “The federal government ...

Coho salmon returning to rivers and streams often die before they can spawn. Photo by Roger Tabor, US Fish and Wildlife For over 20 years, scientists faced a toxic mystery: coho salmon returning to ...

There have been recent news stories about a supposed slump in the transition to zero-emission transportation—that growth in electric vehicle (EV) sales has leveled off and manufacturers are scaling ...