To keep yourself and your pets safe, avoid water with visible algae and follow all posted warnings and closures.

We continue to celebrate American Wetlands Month. Did you know Washington is home to nearly one million acres of wetlands?

As we continue to celebrate American Wetlands Month, we encourage you to look at the plants in your area. One way to tell ...

You are invited to comment on the 2025 update to Washington's Water Quality Management Plan to Control Nonpoint Sources of ...

Precipitation has been near normal, but that is largely due to a wet fall. Precipitation since January has been 78% statewide ...

A brownfield is a property that’s been developed in the past, and is now vacant, abandoned, or underutilized. It may have environmental contamination.

Did you know that May is American Wetlands Month? As we celebrate Washington's wetlands, join us in learning more about these important places and the ways they help make our lives better and richer ...

The Nonpoint Plan outlines the approach to addressing water quality impacts from nonpoint sources. The Plan is required by the Clean Water Act and ensures funding that allows us and our partners to ...

The draft permit we proposed to reissue to Ilwaco Wastewater Treatment Plant authorizes the discharge of treated domestic wastewater into the Columbia River-Baker Bay at RM 2. You can view the ...