Duwamish Waterway Programs
To protect public health and the environment, King County’s Wastewater Treatment Division and its predecessor Metro have worked for more than 40 years to restore the Lower Duwamish Waterway.
King County is now involved in the Lower Duwamish Waterway's Superfund Cleanup. Visit the area of interest to you to learn more about the cleanup and King County's work over the past 40 years to restore the Lower Duwamish to health.
News and updates
Blog - Clean water stories: Construction underway on the Georgetown Wet Weather Treatment Station Project, March 2, 2018
Blog - Clean water stories: Now available: New study results to help tackle tough water quality problems, November 28, 2017
Blog - Clean water stories: Duwamish River water quality project qualifies for major federal funding, August 14, 2017
Blog - Clean water stories: King County Employees Dig in on a Day of Service at Duwamish Hill Preserve, November 17, 2016
King County to invest $196.8 million in clean-water projects in 2016, February 4, 2016
The Lower Duwamish Waterway is an economic engine, cultural icon, and vital regional transportation corridor. No matter where we live in King County, no matter how we use the river, we all have a stake in protecting it -- it’s Our Duwamish. Learn more.