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Watersheds, rivers and streams

Green - Duwamish River

To offer a suggestion or report an error on the Water and Land Resources' Web site, please contact Fred Bentler, webmaster.

Our Duwamish -- The Duwamish River belongs to everyone in King County

Our Duwamish

The Lower Duwamish is where we live and work and we are all committed to making it a healthier place. It's our community, it's our river. Let's build a brighter future together.

Building community
Building community
Protecting the environment
Protecting the environment
Generating jobs & business
Generating jobs & business


Frequently asked questions and other information on the Our Duwamish web pages have been translated into SpanishVietnamese and Somali.

Spanish Vietnam Somali


The Duwamish cleanup will require the removal of contaminated mud from the bottom of the river using a technique called "dredging."

Fact Sheet: Lower Duwamish Waterway Cleanup – Transportation and Emissions Studies (PDF), April 2014

Memo: Analysis of Transport Alternatives for Lower Duwamish Cleanup (PDF), January 14, 2014 

Great things are happening around the Duwamish!

Our Duwamish Flyover
Fly over the Duwamish River and see King County’s major facilities and services 

Superfund Cleanup

Who is in charge of the cleanup?

U.S. Environmental Protection Agency and the Washington State Department of Ecology are in charge, but we can all get involved.

For more information

For more information about the Duwamish environmental cleanup process, please contact Annie Kolb-Nelson, WTD Media Lead.