We have a new Community Engagement Plan describing how we seek to engage with communities impacted by our work. This is part ...

This grant program is part of a larger multi-partner effort to reduce toxics and protect the health of the river through technical assistance, monitoring and research, and education and outreach.

On April 8, we declared a statewide drought emergency, the fourth in a row for the Yakima Basin. Here are the water supply ...

An Ecology-built air sensor that helps provide real-time air quality information about fine particle pollution in communities throughout our state. This week we aim to increase air quality awareness — ...

We protect the air by implementing Zero Emission Vehicle standards, Clean Car Law, reducing diesel exhaust, and managing the Volkswagen enforcement actions that resulted from federal and state Clean ...

Through monitoring and sampling efforts across the country and in Washington, we know that the two main types of wastewater discharges that are likely to contain some level of PFAS are municipal ...

PAHs are a group of more than 100 different chemicals and generally occur as complex mixtures. They can come from natural sources or human activity. They are known to cause cancer and other health ...

It includes things like rain washing bacteria from animal waste or chemicals off land into rivers, or losing shade trees next ...

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 ...

More clean energy and less coal power: That’s the recipe for a drop in Washington’s greenhouse gas emissions detailed in a new Washington Department of Ecology report. Despite population and economic ...

The Washington state well report (log) viewer, our most popular online resource, allows you to search for and view detailed records of the construction and subsurface characteristics of individual ...

We are responsible for protecting, preserving, and enhancing Washington’s environment. Permits and certifications ensure that individuals and businesses understand and comply with all applicable ...