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The Forum is 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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Tag: Sonoma County

  • Iron Horse Vineyards Dam Removal Project

    This project removed an obsolete flashboard dam on lower Green Valley Creek at the Iron Horse Vineyards property in Sonoma County — the second of two remnant dams identified as the primary fish passage barriers in the lower creek. Approximately 35 cubic yards of concrete were excavated, banks regraded, large wood habitat structures installed, and…

  • Upper Green Valley Creek Fish Passage Project

    This project replaced a severely undersized, failing private road culvert on Upper Green Valley Creek — a Russian River tributary in Sonoma County — with a 15-foot bottomless arch culvert and a 157-foot step-pool roughened channel with boulder weirs for grade control. The culvert had blocked coho access under all flow conditions. The project opened…

  • Grape Creek Streamflow Restoration — Water and Wine Program

    This project addressed critically low dry-season flows in Grape Creek, a tributary to Dry Creek in the Russian River watershed of Sonoma County, by working with vineyard landowners to install off-stream ponds fed by groundwater and winter rainfall. This eliminated in-stream diversions that had historically reduced flows during salmon and steelhead migration periods. Additional work…