On July 30, 2026, Ecology began a rulemaking to amend Chapter 173-224 WAC, Water Quality Fees Rulemaking. Visit our webpage for this rulemaking to learn more and see where we are in the process. We ...
In this new edition of this blog we are highlighting the story of Tank Waste Treatment Section Manager, Suzanne Dahl. Suzanne ...
Ecology’s pollution prevention services provide non-enforcement technical assistance to Washington businesses. Our engineers, ...
Sometimes things happen with wastewater treatment and untreated or partially treated sewage can spill. We created a webpage ...
Producers will pay for residential packaging waste and we’ll have the same curbside recyclables from Renton to Ritzville Work is underway to transform how we recycle in Washington. Thanks to the ...
An upper segment of the Pilchuck River is one of three locations where bacteria levels have declined. Just before the study began, the Tulalip Tribes and their partners removed a diversion dam to ...
Washington Department of Ecology Director Casey Sixkiller has tapped Nat Kale to serve as director for the agency’s Office of Chehalis Basin. In his role, Kale will oversee the state’s efforts to ...
Changes in climate, agricultural practices, groundwater use, and growing populations are critical factors influencing water supplies in Washington’s Columbia River Basin. Challenging trends in these ...
Warmer weather marks the start of algae season for Washington's lakes and rivers Many types of algae are helpful and important for producing oxygen and food for aquatic life. However, some types of ...
Echo Bay Minerals is proposing to increase the Key Mill’s tailings capacity by approximately 5.5 million tons. Key Mill, located about six miles east of Republic in Ferry County, is a facility that ...
Today, the Washington Department of Ecology proposed regulatory changes that will facilitate linkage between Washington’s Cap-and-Invest carbon market and the joint California-Québec carbon market.