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Colman Dock Sediment Cleanup Plan

Washington State Ferries is replacing ageing and seismically vulnerable parts of Colman dock to ensure it maintains function for over 9 million annual users. We characterized sediments and evaluated sediment management alternatives for planned construction activities at the dock. A review of historical upland activities and sediment quality data was conducted to support development of a NEPA Environmental Assessment. Sediment samples were collected and analyzed to determine baseline pre-construction conditions, and sediment management alternatives were evaluated to address sediment cleanup requirements.

Location
Seattle, WA
Owner
Washington State Ferries
Project Contact
Rob Zisette
Services
Aquatic Ecology
Project Type
Environmental Science

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