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
Tag: Sonoma County
-
Dutch Bill Creek Market Street Weir Repair Fish Passage Improvement Project
This project will design and permit repairs to a failed weir at the site of the original 2009 Dutch Bill Creek Barrier Elimination Project near Camp Meeker, restoring fish passage for endangered coho salmon and threatened steelhead trout to upstream spawning and rearing habitat in this Russian River tributary in Sonoma County.
-
Adobe Creek Barrier Assessment, Design and Permitting
This project will fund preliminary engineering design, surveying, and permitting to replace a failed 1929 box-culvert bridge, fish ladder, and degraded rock weirs at the Old Adobe Road crossing of Adobe Creek with a new clear-span bridge, restoring passage for federally threatened Central California Coast steelhead in the Petaluma River watershed, 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 willows planted. Removal opened 35 miles of upstream aquatic habitat, benefiting federally endangered Central California Coast coho salmon and threatened steelhead in a watershed that harbored the last documented wild Russian River coho prior to captive broodstock recovery efforts.
-
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 0.9 miles of spawning and rearing habitat, and post-construction surveys detected 136 steelhead young-of-year upstream of the site, benefiting federally endangered Central California Coast coho salmon and threatened steelhead.
-
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 included fish passage barrier removal and streambank restoration, benefiting federally endangered Central California Coast coho salmon and federally threatened CCC steelhead.