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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.

The M-G weir repair project on the Shasta River, Siskiyou County, CA

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Category: 2020

  • West Tule Creek Diversion Fish Passage Project

    This project developed engineering designs for a fish-passable irrigation diversion and fish screen on West Tule Creek, a tributary to Hayfork Creek in Trinity County, to restore 1.5 miles of upstream spawning and rearing habitat for Chinook salmon, coho salmon, steelhead, and Pacific lamprey, while also improving instream flows through water transaction and irrigation efficiency…

  • Strawberry Creek at Clam Beach Fish Passage Project

    This project retrofitted a concrete flood conveyance channel adjacent to the Highway 101 culvert on Strawberry Creek near McKinleyville in Humboldt County by installing 13 angled concrete baffles to create a functional fishway, restoring 5 miles of upstream spawning and rearing habitat for steelhead, coho salmon, coastal cutthroat trout, and lamprey species. Location: Strawberry Creek,…

  • Santa Margarita River Fish Passage and Bridge Replacement

    This project replaced a low-flow river crossing at Sandia Creek Drive — the last remaining fish passage barrier on the mainstem Santa Margarita River — with a full-span bridge to restore migration access for endangered Southern California steelhead, opening 12 miles of upstream spawning and rearing habitat approximately two miles north of Fallbrook in San…

  • 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…

  • Application of FISHPass in the Smith River

    This project applied the FISHPass barrier prioritization tool to the Smith River watershed in Del Norte County, California — the largest undammed river in the state — to develop an optimized list of fish passage barrier removals for the benefit of Coho salmon, Chinook salmon, steelhead, coastal cutthroat trout, and Pacific lamprey. Field verification of…

Big River Calaveras River California State Parks Conner Creek Contra Costa County Contra Costa RCD Del Norte County Eel River Eel River Watershed Improvement Group Five Counties Salmonid Conservation Program Gold Ridge RCD Humboldt County Humboldt County Department of Public Works Humboldt County RCD Jenny Creek Klamath River Mendocino County Merced County Mid Klamath Watershed Council Mormon Slough NOAA Fisheries Outlet Creek Pacific States Marine Fisheries Commission Pescadero Creek Russian River San Joaquin County San Joaquin River San Mateo RCD Santa Barbara County Siskiyou County Smith River Sonoma County South Coast Habitat Restoration Stockton East Water District Stotenburg Creek The Watershed Project Trinity County Trinity River Trout Unlimited USDA Forest Service US Fish and Wildlife Service Van Duzen River Weaver Creek Wildcat Creek Yager Creek