Project Schedule & Cost Updated October, 2009 Construction Start: March, 2011 Construction Finish: June, 2015 Project Cost: $409M The information shown reflects the current forecast information published in the latest WSIP Quarterly Report. Project Update The SFPUC has requested, and received, an extension to the public comment period for the Draft Environmental Impact Report (DEIR) for the Calaveras Dam Replacement Project from the San Francisco Planning Department. See the following article for for details. The DEIR for the project was released on October 6th, 2009. Click this link to view and/or download the DEIR. The SFPUC proposes to replace the Calaveras Dam with a new earth and rock fill dam of equal height and improved seismic design. The existing reservoir has been lowered to 40% of its capacity because of seismic safety concerns. The reservoir is the system’s largest local reservoir and represents more than half of the storage capacity in the Bay Area. This is crucial during times of high customer demand, drought, and when the system cannot receive water from its primary source - Hetch Hetchy Reservoir – due to a water quality event, system maintenance or an emergency. BALD EAGLE PLATFORMS The SFPUC is proud to host one of only three pairs of nesting bald eagles in the 9-county Bay Area In order to enhance the habitat for the bald eagles and to ensure they are a safe distance from the pro-posed Calaveras Dam Replacement Project, the SFPUC constructed three special nesting platforms to entice the resident pair to nest away from the worksite. FACT SHEETS & INFORMATION – Calaveras Dam Replacement Project Fact Sheet – Alameda Creek Steelhead Restoration Fact Sheet – Naturally Occurring Asbestos Fact Sheet CONTACT INFORMATION Questions or Comments? Contact: Betsy L. Rhodes Email: blauppe@sfwater.org or Phone: 415-554-3240. NEWS & MEDIA See links below for the latest news on the Calaveras Dam Replacement Project. Sign up for our Sunol Valley Regional Projects blog to follow the projects in that area.

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Utilities crews say two recent earthquakes have not caused any detectable damage to the Calaveras Dam, a 75-year-old structure holding back a reservoir that straddles Santa Clara and Alameda counties.

 

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On Friday, January 8, 2010 at 11:48 a.m. the United States Geologic Survey detected a magnitude 3.8 quake on the Calaveras Fault near the Calaveras Reservoir in the Sunol Valley in the East Bay. The San Francisco Public Utilities Commission dispatched workers and found no detectable damage to the nearby Calaveras Dam or the surrounding SFPUC water transmission infrastructure.     Read more 

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The SFPUC has been taking background air monitoring samples on land it owns in preparation for the proposed Calaveras Dam Replacement Project. We want to share this information to enable any interested parties to make well-informed conclusions and decisions.     Read more 

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