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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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  • Montague-Grenada Weir Retrofit & Barrier Removal

    This project modified the Montague-Grenada Weir — a concrete flow measurement structure on the mainstem Shasta River in Siskiyou County that functioned as a near year-round fish passage barrier — by raising the low-flow sill to eliminate the hydraulic drop while preserving the structure’s water measurement function. The modification improves passage for all life stages…