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Capital projects

Capital projects

Snoqualmie/Skykomish Basin projects

Cedar/Sammamish Basin projects

  • Herzman to Camp Freeman Project - A project to provide flood and erosion risk prevention along a stretch of the Cedar River about four miles east of Renton.
  • Jan Road Levee Setback - This project is intended to protect residents, their property, and critical public infrastructure from flood and erosion risks along a stretch of the Cedar River approximately two miles north of Maple Valley. 
  • Maplewood Landslide and Flood Risk Reduction Feasibility Study - A project in the Maplewood neighborhood in Renton to analyze flood and landslide hazards and their potential interaction.
  • Sammamish River Capital Investment Strategy - The US Army Corps of Engineers is partnering with the County, as a service provider to the District, on this capital investment strategy and maintenance plan that meets the flood risk reduction, fish habitat, and navigation requirements of the O&M Manual. 
  • Tabor-Crowall and Brodell Revetment Repair Project - The project will repair two revetments on the Cedar River to reduce flood risks to the Maple Valley Highway (SR 169), Cedar River Trail, local utilities, and private property.
  • Willowmoor Floodplain Restoration Project - The project will alter the transition zone between the Sammamish River and Lake Sammamish in King County's Marymoor Park to improve natural complexity and habitat value while addressing maintenance costs and sustainable flood control.

Issaquah Creek projects

Green River Basin projects

  • Black River Pump Station Improvements - Ongoing work to maintain and improve the pump stations that serves 24.8 square miles of the lower Green River basin.
  • Fort Dent Levee Repair Project - Repair and stabilize the Fort Dent Levee on the Green River to provide flood risk reduction.
  • Galli's-Dykstra Feasibility and Repair Project - The project will evaluate and address low areas along the levee.
  • Gunter Levee - The Gunter levee provides flood risk reduction benefits to commercial areas of Tukwila. This project will assess existing levee conditions between river miles 15.9 and 16.8, develop and evaluate alternatives to meet flood hazard management objectives and consider other multi-benefit opportunities such as habitat and passive recreational enhancements.
  • Kent Airport Levee Repair - Repair and maintenance of this levee reduces flood risks to local utilities and nearby businesses.
  • Lower Russell Levee Setback Project - This early action SWIF project will replace an old levee and revetment that do not meet current engineering design standards along 1.4-mile-long levee in the City of Kent.

White River Basin projects

For more information about flood-related capital projects, please contact Katy Vanderpool, Policy and Planning Supervisor, King County River and Floodplain Management Section, Water and Land Resources Division, Department of Natural Resources and Parks.

Opportunity for public input 

Opportunities for public review and comment on King County River and Floodplain Management Section capital projects undergoing State Environmental Policy Act (SEPA) Environmental Review

King County capital projects map

Look up the location of wastewater, flooding, stormwater, habitat and other King County capital projects. Sort by project type, project owner, watershed or King County Council District.

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