Toxic Water, Toxic Soil: Budd Inlet and the Future of Puget Sound

By Charlotte Hoffstrom, published Mar 05, 2007
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Olympia, WA. Marine sediments, low oxygen levels, over 100 years of industry and other pollution, dioxins, and more - cleaning the southernmost tip of Puget Sound, Washington will be quite a feat.

Dioxin levels in the lower Budd Inlet are too high to safely dredge excessive sediment. Shellfish harvesting is off limits in the area due to safety concerns. During the summer months oxygen sinks too low, dangerous to marine life.

Once a favorite swimming spots for residents, Capitol Lake and Budd Inlet are heavily polluted by old industrial plants, untreated stormwater runoff from city streets and parking lots, even permitted discharge of treated sewage.

"We've suffered from over 100 years of industry and other damaging sources of pollution in Budd Inlet," said Bruce Wishart, legislative lobbyist for People for Puget Sound, a conservation group.

Almost 1/5 million cubic feet of sediment are slated to be dredged out of Olympia's port waters. The project is on hold while a $250,000 study by the Department of Ecology determines the dioxin content in the sediment, the potential harm caused by stirring it up, and methods for safe disposal. The study should be completed by June 2007.

City and state officials as well as local business owners and residents have generally reacted positively to the slated clean-up. The unanswered questions are who will be responsible for organizing the effort, and where the funding will come from.

Budd Inlet may become a poster child for the rest of Puget Sound. In the current Washington State Legislature, Governor Chris Gregoire is pushing a request for government funding and oversight for clean-up projects throughout the sound.

The proposed Puget Sound budget includes $54.7 million to prevent and clean up toxics pollution. State Ecology Director Jay Manning is confident that "Budd Inlet could be the site of a demonstration project for Puget Sound cleanup." And if the project is successful, it may be repeated in other parts of the country.

Toxic Water, Toxic Soil: Budd Inlet and the Future of Puget Sound
Takeaways
  • Typical options for dealing with contaminated marine sediments are dredging and upland disposal.
  • Budd Inlet had the highest number of low dissolved oxygen readings in a 2004 assessment of 22 sites.
  • The Clean Water Act requires states to clean up water bodies that don't meet quality standards.
Comments
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Sediment sampling in lower Budd Inlet last year revealed dioxin levels ranging from 0.1 ppt to 52.7 ppt. The dioxin limit set by state and federal agencies for disposing of marine sediments at a South Sound marine disposal site near Ketron and Anderson islands is 3.8 ppt. In Washington, the state toxic cleanup standard for dioxin found in residential soil is 6.67 ppt.

Posted on 03/07/2007 at 9:03:00 AM

 
I was just curious. Here in Mid-Michigan on the Tittabawassee River they have found levels of dioxins up to 100,000 ppt. in the river, and 84,000 ppt on the riverbank. State safe residential contact is 90 ppt. There is talk of dredging it, but it is meeting high resistance politically, and by The Dow Chemical Company, who put it there. Check us out.. www.trwnews.net

Posted on 03/06/2007 at 12:03:00 PM

 
The dioxin contents are high enough that soil to be dredged has to be properly disposed of (on land, not deeper into the sound). The current study being done is to determine the actual dioxin content, so sure facts are not yet available.

Posted on 03/06/2007 at 9:03:00 AM

 
Does anyone know the dioxin numbers in lower Budd Inlet? How High are the levels in parts per trillion or million?

Posted on 03/05/2007 at 7:03:00 PM

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