SCH Number 2009091004


Project Info

Title
B.F. Sisk Dam Safety of Dams Modification Project
Description
DWR certified an EIS/EIR in 2019, which assessed an approved project that involves making improvements to the downstream side of the existing dam to enhance its stability and increasing the dam crest height to reduce the potential for dam failure from water overtopping the dam if seismic-induced slumping were to occur. Since that time, DWR has identified modifications to the approved project and a Draft SEIR has been prepared to address the environmental effects of these modifications. In summary, these modifications include: • New impact areas associated with development of a new permanent public campground on the northwestern shore of O’Neill Forebay; • Modification to the San Luis Creek Day Use Area at O’Neill Forebay; • Addition of two on-site borrow areas as sources of earth fill material for the dam improvements; • Minor expansion of the contractor work areas that were not evaluated by the 2019 EIS/EIR; and • Modifications to construction assumptions.
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8 documents in project

Type Lead/Public Agency Received Title
California Department of Water Resources (DWR) B.F. Sisk Dam Safety of Dams Modification Project
San Luis and Delta Mendota Water Authority B.F. Sisk Dam Raise and Reservoir Expansion Project
California Department of Fish and Wildlife, Central Region 4 (CDFW) B.F. Sisk Safety of Dams Geotechnical Investigations Project California Endangered Species Act Incidental Take Permit No. 2081-2019-028-04 Minor Amendment 1
San Luis and Delta Mendota Water Authority B.F. Sisk Dam Raise and Reservoir Expansion Project
California Department of Water Resources (DWR) B.F. Sisk Safety of Dams Geotechnical Investigations Project (California Endangered Species Act Incidental Take Permit No. 2081-2019-028-04 (ITP))
California Department of Water Resources (DWR) B.F. Sisk Dam Safety of Dams Modification Project
California Department of Water Resources (DWR) B.F. Sisk Dam Safety of Dams Modification Project
United States Bureau of Reclamation (USBR) B.F. Sisk Dam Corrective Action EIS/EIR