ICF prepared the Environmental Impact Report (EIR) in coordination with both San Francisco Public Utilities Commission (SFPUC) and Major Environmental Analysis Division (MEA) and conducted California Environmental Quality Act (CEQA) environmental analysis and regulatory compliance for expansion of the SVWTP.
The Sunol Valley Water Treatment Plant (SVWTP) Expansion and Treated Water Reservoir Project involves expansion of the existing treatment plant as part of SFPUC’s overall Water System Improvement Program (WSIP). The project would improve treatment reliability by increasing the plant’s sustainable capacity to 160 million gallons per day. The project would also meet the California Department of Public Health requirement for the SFPUC to provide additional treated water storage capacity at the plant.
The project site is located in the Sunol Valley in an unincorporated portion of Alameda County on the west side of Alameda Creek approximately 3.4 miles north of Calaveras Reservoir. The project involves the construction and operation of a new 17.5 million-gallon (MG) treated water reservoir, 3.5 MG chlorine contact tank, flocculation and sedimentation basin, construction of new effluent pipelines within the SVWTP, and a new 78-inch pipeline connecting the new treated water reservoir to the existing 78-inch plant discharge pipeline, which transports water from the plant to the existing Alameda Siphons.
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