Join us virtually on March 17, 2025, to learn more about our agency’s efforts in developing a strategy to achieve healthy ...

The Yakima River Basin Water Enhancement Project Workgroup, a stakeholder group co-chaired by us and the U.S. Bureau of Reclamation, provides policy and project development advice on implementing the ...

Ecology monitors multiple cleanup sites at Joint Base Lewis-McChord (JBLM). This page focuses on Per- and polyfluoroalkyl substances (PFAS) contamination in the groundwater. JBLM is in Pierce County, ...

Our aquatic plant specialist explains the differences between invasive and native milfoils, why native milfoils are important ...

Sample of vitrified material at the U.S. Department of Energy's Office of River Protection. For the past few decades, the most dangerous radioactive and chemical waste has been and continues to be ...

We are working with an advisory group to research and write Voluntary Clean Water Guidance for Agriculture. This guidance document will be a technical resource for agricultural producers that ...

We regulate the water, hazardous waste, and cleanup activities at the Georgia Pacific pulp and paper mill in Camas.

We are seeking comment on Island County's proposed shoreline master program periodic review. All interested parties are invited to provide comment during this public comment period. We are accepting ...

We reached an initial settlement agreement with Bridge Point Tacoma for $8.95 million that will be used to reduce air quality impacts to communities near the company’s proposed warehouse development ...

Water users affected by the Nooksack adjudication recently recieved post cards telling them their claim forms will be arriving later this month.