Crystal Springs Dam - Credit: Wikimedia Commons
Crystal Springs Dam - Credit: Wikimedia Commons
Crystal Springs Dam is a gravity dam constructed across the San Mateo Creek which is in San Mateo County, California. It impounds water to form the Lower Crystal Springs Reservoir which sits atop the San Andreas Fault in a rift valley created by the fault. The dam itself is located about 300 yards (273 meters) east of the fault.San Andreas Bay Area FaultsSan Mateo Ezrim It was among the first concrete gravity dams built in the western United States.Advanced Dam Engineering for Design, Construction, and Rehabilitation, by Robert B. Jansen, page 117 Skyline Boulevard runs over the dam, which also forms the trailhead of the popular Sawyer Camp Trail. Read more on Wikipedia
Source: en.wikipedia.org