Washington is divided into 62 Water Resource Inventory Areas (WRIAs) based on natural watersheds. Due to Washington’s varied land uses, hydrology, and precipitation levels, the amount of water ...

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

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

Burn bans are called in the winter when smoke from wood stoves and fireplaces increase fine particle pollution. Always check ...

The Washington Natural Resource Damage Assessment (RDA) Committee meets monthly to determine the most appropriate method for assessing environmental injury from oil spills into state waters.

The following templates are based on applicable SEPA rule sections and other guidance materials. Lead agencies are encouraged to modify these templates for their own use and add information for ...

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.

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

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 ...

Climate change increases wildfire risks through rising temperatures, which reduces winter snowpack, and produces hotter and drier summers. This directly impacts the number and severity of wildfires ...

Every year, 20 billion gallons of oil moves through Washington by vessel, rail, and pipeline, posing significant risk of environmental damage. The risks associated with all modes of oil transportation ...