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Steelhead Passage Restoration Options for Canada de Santa Anita, Santa Barbara County, California
Brandon Bunderson, Dakota Corey, Chris Helmer, Amy Locke, Matthew Meyers
Date Created and/or Issued
Publication Information
Donald Bren School of Environmental Science and Management, University of California, Santa Barbara
Contributing Institution
UC Riverside, Library, Water Resources Collections and Archives
Clearinghouse for Dam Removal Information (CDRI)
Rights Information
Transmission or reproduction of materials protected by copyright beyond that allowed by fair use requires the written permission of the copyright owners. Works not in the public domain cannot be commercially exploited without permission of the copyright owner. Responsibility for any use rests exclusively with the user.
Scope/Content: Abstract: Over the past few decades, steelhead (Oncorhynchus mykiss) populations in southern California have declined to roughly one percent of their historical numbers, and the southern steelhead is now listed as an endangered species. Santa Anita Creek was identified as having the greatest potential for steelhead restoration on the privately-owned Hollister Ranch, located in Santa Barbara County, California. However, a 4.5 meter high dam and seven culverts block access to spawning habitat and have been identified as potential threats to steelhead upstream migration. To provide the Hollister Ranch Owner's Association and the Hollister Ranch Conservancy with steelhead passage restoration options we 1) analyzed the feasibility and consequences of a number of techniques for removing the dam and its impounded sediment, 2) assessed each culvert's impact to fish passage and recommended options for redesign and 3) evaluated the current quality and quantity of spawning and rearing habitat in the creek. We predict that by removing the dam and six culverts Santa Anita Creek would provide 3.2 km of suitable steelhead spawning habitat. We define four dam removal and sediment management options, each with an associated level of risk and cost, for Hollister Ranch to weigh for their steelhead restoration endeavors.
Scope/Content: Author affiliation: Donald Bren School of Environmental Science & Management, University of California, Santa Barbara
Scope/Content: Dam type: concrete
Scope/Content: Height: 4.5 m. Length: 27 m.
Alternative analysis
Ecology and river restoration
Fisheries and fish passage
Sediment and channel dynamics
Dam retirement
Santa Anita Creek, CA
Santa Anita Dam

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