Water Facts - Folsom Dam, Lake, and Powerplant
Folsom Dam
- Measures 340 feet high and 1,400 feet long
- A concrete gravity type dam flanked by long earthfill wing dams, plus an earthfill auxiliary dam at Mormon Island
and 8 earthfill dikes to close the reservoir rim - Has enough concrete to build a highway (8 inches thick by 16 feet wide) from the Oregon border to Bakersfield, California, or a sidewalk (4 inches thick by 3 feet wide) from San Francisco to New York City
- Weighs 2,343,000 tons, but it is 40 percent hollow inside
- Part of the Central Valley Project
