Laboratories are required to submit acceptable proficiency testing (PT) study results in support of their applications and accreditation renewals. These studies must be procured from one of our ...

The Columbia River Policy Advisory Group advises our Office of Columbia River on policy issues associated with developing new water supply for Eastern Washington. The group is comprised of ...

Our Reading Your Water Meter guidance uses images to explain terms and provides instruction on how to read a meter. Telemetry Telemetered meters can save time and money while also helping to ensure ...

We accredit labs that analyze wastewater in wastewater treatment plants and industrial facilities. Over the years, our auditing team has developed resources for these labs to use. If you are a ...

In 2023, the Washington Legislature passed a new state law to help make the process for siting and permitting clean energy projects more effective and efficient. State lawmakers directed Ecology to ...

At Ecology, every day is Earth Day. Our mission is to protect, preserve, and enhance the environment for today and for future generations. Our staff work across the state to accomplish this mission, ...

On a Washington Conservation Corps (WCC) field crew, you play a vital role in protecting and restoring Washington’s environment while gaining a deeper appreciation of the natural world and building ...

To conserve and enhance the natural resources of Washington while providing meaningful service opportunities to young adults and military veterans. Approximately 15 percent of our funding is provided ...

Ecology is at work statewide to protect your air, water and quality of life. Learn more about our regional work.

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 ...

Join our team to make a difference! It is our mission to protect, preserve, and enhance Washington’s environment for current and future generations. Our partnerships protect and sustain healthy land, ...

The City of Tacoma, in partnership with Western Washington collaborators, will characterize stormwater and stormwater sediment concentrations for several Contaminants of Emerging Concern (CEC). They ...