Now through Jan. 28, 2025, the public is invited to review and comment on model ordinances that will help city and county ...

We have released a draft study examining potential environmental impacts of green hydrogen storage and production facilities in Washington.

For more information on the programmatic environmental impact statement currently being developed by the Energy Facility Site Evaluation Council on electrical transmission, please visit their website.

We partner with local city and county organizations to provide pollution prevention assistance (PPA) to businesses and organizations in their community. Click the video to learn how PPA can help your ...

The expansion of the Pasco Process Water Reuse Facility has been an example of how working together can lead to successful ...

Taking detailed field notes on a lake. The Environmental Assessment Program is the science arm of Ecology. Our scientists measure and analyze environmental conditions. Quality data is our highest ...

Starting Jan. 1, 2025, our Safer Products for Washington program implemented new regulations to reduce harmful chemicals in ...

We invite comments on draft NPDES permit no. WA0991001 being reissued to the Boeing Everett Cleanup Site. The permit authorizes the discharge of treated groundwater to Powder Mill Creek and to ...

We invite interested members of the public, local, and tribal governments to review and comment on permanent significant changes to approved oil spill contingency plans. Washington Administrative Code ...

We propose to approve Microsoft Columbia Data Center’s air quality notice of construction (NOC) application. Microsoft Corporation – Columbia Data Center requested to update their existing air permit: ...