Water Quality Combined Funding program applications open July 22 The application period for state fiscal year 2027 funding is now open. Applications can be submitted July 22, 2025, through Sept. 3, ...

On July 21, 2025, Ecology adopted amendments to address new and revised offset protocols in the Climate Commitment Act Program Rule, Chapter 173-446 WAC. We adopted amendments in sections 173-446-505 ...

This grant is the latest in a series awarded for cleaning up the historically contaminated Port Gardner Bay. Ecology is now working on an environmental justice assessment for the work.

Crews are responding to a tanker truck rollover and spill into Indian Creek on July 18, 2025 at 11:30 a.m. A dual-tanker truck overturned into Indian Creek of U.S. Highway 101 in Clallam County. Photo ...

With great enthusiasm, 19 community-based organizations partnered with Ecology and King County to distribute thousands of ...

Two Thurston County property owners were fined $204,000 by the Washington Department of Ecology for unpermitted shoreline development along the Deschutes River near Yelm. Chuck and Austin Rogers ...

Ecology is proposing changes to the general permit that regulates nitrogen for 58 wastewater treatment plants discharging into Puget Sound.

Ecology is beginning rulemaking to amend five instream flow rules, chapters 173-507, 173-508, 173-513, 173-514, and 173-515 WAC. Ecology is starting rulemaking to amend five Instream Flow Rules in ...

In many parts of western Washington, population growth and development is spreading into once-rural areas, putting new pressures on water supplies and potentially impacting the water needed by fish in ...

The Washington Department of Ecology released on Wednesday the results of its tenth quarterly Cap-and-Invest auction of emissions allowances. All allowances sold, pushing the total revenue raised for ...

The Department of Ecology is beginning a rulemaking for a new rule, Chapter 173-217 WAC to establish a formal permitting program for projects that could alter or impact wetlands, streams, and other ...

The Washington Department of Ecology is expanding the drought emergency declared in April to include areas in the North and Central Cascade Mountains and parts of the Puget Sound area.