Calaveras Reservoir, located on the boundary of Alameda and Santa Clara Counties, is the largest Bay Area reservoir in the San Francisco Public Utility Commission’s regional water system. Calaveras Dam is located at the northern end of the reservoir, approximately one mile upstream from the confluence of Calaveras and Alameda Creeks.
Because the dam is located near a seismically active fault zone and was determined to be seismically vulnerable, the California Department of Water Resources, Division of Safety of Dams (DSOD) has limited since 2001 the amount of water that can be stored in the reservoir to approximately 40 percent of its former full storage capacity (full storage capacity is 96,850 acre-feet of water) until the safety deficiencies are corrected.
The Calaveras Dam Replacement Project, as proposed by the SFPUC, includes:
- Replacement of the existing dam with one of equivalent height at the downstream edge of the existing dam
- Restored reservoir storage to its full design level
- Improved seismic design
Operation of Calaveras Reservoir to release up to 6,300 acre-feet per year of water for the enhancement of fisheries and the other natural resources of Calaveras and Alameda Creeks.
Need more information?Contact Betsy Lauppe Rhodes at (415) 554-3240 or via email at blauppe@sfwater.org
The following are recent changes to the RFQ for the Calaveras Dam Replacement Project.
Read more
Thank you to the more than 100 people who attended the Pre-Qualification Workshop for prime contractors and project briefing and site visit for prime and subcontractors regarding the construction of the Calaveras Dam Replacement Project on Thursday, April 24, 2008 in the Sunol Valley. Find more information here. Read more
