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Scope/Content: Abstract: The purpose of this Project was to improve access for both adult and juvenile salmonids to over three miles of quality spawning and rearing habitat over the full range of fish passage design flows. The Project was necessary to correct passage conditions at Alpine Creek downstream of the Pescadero Creek Road that had been impacted by a Denil fish ladder and failing grade control structures downstream of the ladder. The objectives of this project were achieved by lowering the channel invert through the existing arch culvert; demolishing the existing non‐functional Denil fish ladder and grouted rock weirs downstream; and reconstructing approximately 300 linear feet of channel at an approximate 4% grade downstream of the road crossing.
1 report : PDF
Dam retirement Fishways Fishes--Habitat San Mateo Resource Conservation District
Alpine Creek 37.31022, -122.27775
Received from San Mateo Resource Conservation District via email in August 2020.