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A collaborative partnership formed to protect and revitalize anadromous fish populations in California by promoting collaboration among public and private sectors for fish passage improvement projects and programs

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  • Lawrence Creek Off-Channel Habitat Connection Project

    This project constructed five large wood and earthwork structures — including a Venturi jam, deflector jam, apex bar jam, inlet jam, and excavated alcove — on Lawrence Creek, a tributary to Yager Creek in the lower Van Duzen River watershed in Humboldt County, to restore hydrologic connectivity to off-channel habitats and increase low-velocity winter rearing refugia for ESA-listed coho salmon.

  • Cooper Mill Creek Fish Passage Improvement Project Designs

    This project funded site characterization and engineering design work for two legacy fish passage barriers on lower Cooper Mill Creek, a tributary to Yager Creek within the Van Duzen River basin in Humboldt County — a boulder step-weir complex at the creek mouth and a concrete sill approximately 0.5 miles upstream. Hydraulic modeling confirmed both structures block adult and juvenile salmonids at most flows. The designs will support future physical removal of barriers to coho salmon, Chinook salmon, and steelhead in a historically productive watershed.