Cedar River Stewardship in Action [8]

Cedar River Stewardship in Action was established in 2010 following the award of a Puget Sound watershed management assistance grant from the U.S. Environmental Protection Agency. Since then, this partnership between Seattle Public Utilities, King County, Forterra, and the Friends of the Cedar River Watershed has been restoring the banks of the lower Cedar River.

The banks of the lower Cedar River, which flows from the Cascade Mountains to Lake Washington, were infested with knotweed, an invasive plant that spreads easily and quickly, destroying shoreline habitat that gives the river environment some of the necessary conditions to support healthy salmon runs. The Stewardship in Action partnership, still going strong, has reduced the amount of knotweed by 80 percent, and installed native plants to help bring the river banks back to their natural state. The grant enabled Forterra to hire one full-time staff person, and the restoration model has been replicated in four other watersheds in the Puget Sound region.

Funding Sources:

  • U.S. Environmental Protection Agency
  • Seattle Public Utilities
  • King County

Congressional District: 8


  • Seattle Public Utilities (City of Seattle)
  • King County Noxious Weed Control Program
  • Forterra
  • Friends of the Cedar River Watershed
  • Cedar River Stewardship in Action

Cedar River Dorre Don Before and After

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