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 ...

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 ...

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.

We are starting the rulemaking process to amend Chapters 173-18, -20, -22, -26, and -27 under the Shoreline Management Act. Visit the rulemaking page for more information. This toolbox is designed for ...

Arctic sand stars from Norway. Photo by Espen Rekdal, Artsdatabanken, CC BY 4.0 Whether you’re a George Lucas superfan or can’t tell a Wookie from a Wampa, you have to admit, Star Wars is a pop ...

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 — ...

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

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 ...

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 ...

Nitrate contamination of groundwater is a growing concern in several areas of the state, because contaminated drinking water can cause serious health risks. We compiled data from many sources to ...

Washington’s new Comprehensive Climate Action Plan (CCAP) could significantly cut greenhouse gas emissions by 2050 while saving the state nearly $17 billion statewide. The new climate plan, the result ...