Lower Duwamish Waterway sediment cleanup updates
January 2011 -- The Economics of Cleaning up the Lower Duwamish (PDF).
Dec. 7 and Dec. 9, 2010: Public Meetings -- EPA and Ecology were in the community to share information and get input on the cleanup alternatives as presented in the Feasibility Study posted on the Lower Duwamish Waterway Group website (external link). The study looks at a range of alternatives to clean up the waterway, how the alternatives work and what they accomplish, and compares the pros and cons of various combinations of cleanup methods, including costs and construction timelines.
Oct. 18, 2010 -- EPA news release: Duwamish Waterway cleanup options [Feasibility Study] released for public review (external link)
Oct. 9, 2010 -- Duwamish Alive! Restoring the River: Hundreds of volunteers worked at multiple sites in the Duwamish River watershed including a river cleanup by kayak and canoe, shoreline salmon habitat restoration, and native forest revitalization. King County was one of many co-sponsors of this restoration event.
June 5, 2010 -- Environmental Health Fair: King County was one of many co-sponsors and participants at an Environmental Health Fair at the Concord International Elementary School in the South Park neighborhood of Seattle.
May 5, 2010 -- Executive praises Boeing’s commitment to cleanup of Duwamish Waterway
April 17, 2010 -- Duwamish Alive! Restoring the River: King County was one of many co-sponsors of this restoration event where thousands of volunteers worked on the Duwamish in celebration of the 40th Anniversary of Earth Day.
Watch this KIRO-TV video which includes King County's Dennis Clark at the site of volunteer restoration the North Wind's Weir. (external link)
April, 2010 -- The King County/Army Corps of Engineers restoration project, North Wind's Weir: Volunteers constructed goose exclusion fences in the intertidal zone and planted "emergent" marsh plants inside the fenced areas.
Oct. 7, 2009 -- County updates companies: The King County Industrial Waste Program held a pretreatment workshop for industries sending wastewater to the County's sewer system. Among other workshop topics, manager Greg Bush updated companies on the County's progress on the Superfund cleanup, as a part of the Lower Duwamish Waterway Group.
July 30, 2009 -- The draft Lower Duwamish Feasibility Study comment period complete.
July 28, 2009 -- King County participated in major Duwamish River habitat restoration project that will benefit fish, wildlife at North Wind's Weir.
May 2009 -- Business community outreach: King County and its partners in the Lower Duwamish Waterway Group, and EPA, joined an Environmental Coalition of South Seattle informational meeting about the cleanup and the Draft Lower Duwamish Feasibility Study.
April, 2009 -- Draft Lower Duwamish Feasibility Study published: The Lower Duwamish Waterway cleanup process has reached a significant milestone with issuance of the draft Feasibility Study. King County and partners outline and evaluate alternative methods for cleaning up contaminated sediments in a five-mile portion of the Lower Duwamish Waterway.
August 2006 to Sept. 2007 -- Sediment Phthalates Work Group - Representatives from the cities of Tacoma and Seattle, King County, Washington Department of Ecology, and the EPA join together in a work group to better understand how phthalates (a contaminant of concern in the Duwamish) are reaching Puget Sound sediments and what are the related impacts to humans and animals. Group publishes draft recommendations in September 2007 (external link).
Dec. 23, 2005 -- "Duwamish River doesn't stay clean, Source of new contamination still mystery" (external link), Seattle Post Intelligencer
August 13, 2005 -- First Duwamish River Festival: Established by the EPA, Washington State Department of Ecology, the Duwamish River Cleanup Coalition and the Lower Duwamish Waterway Group (includes King County) and held in Seattle's South Park neighborhood, the family-friendly environmental festival provided updates on the Duwamish River Superfund cleanup, kayak tours on the river, live entertainment, water taxi rides, food, children's activities, health information, natural yard care tips, and more. Many agencies and organizations helped plan the event and participated.
Dec. 15, 2004 -- King County planning follow-up sediment cleanup in lower Duwamish River
Oct. 3, 2004 -- "The road back: from Seattle's Superfund sewer to haven once more" -- Seattle Times, Oct. 3, 2004
Nov. 10, 2003 -- Contaminated sediment cleanup begins in Duwamish River
Sept. 10, 2003 -- Cleanup of contaminated sediment to begin in Lower Duwamish
Aug. 5, 2002 -- Duwamish sites proposed for early clean up
April 19, 2002 -- Partnership forms to study lower Duwamish River