about of extra storage capacity. An expanded reservoir could store more water in wet years to compensate for less water being pumped in dry years due to environmental restrictions. The project would cost $360 million and would also involve seismic upgrades to protect the dam from earthquakes. The dam expansion is one of several major water projects that could be funded, in part, by a $2.7 billion bond measure approved by California voters in 2014. See also List of dams and reservoirs in California List of largest reservoirs of California List of power stations in California List of United States Bureau of Reclamation dams California Water Fix and Eco Restore Sites Reservoir Water in California References External links Kennedy's Speech at the Dedication of San Luis Dam, August 18, 1962 San Luis Reservoir daily water levels (California Department of Water Resources) Dams in California California State Water Project Central Valley Project Hydroelectric power plants in California Buildings and structures in Merced County, California Pumped-storage hydroelectric power stations in the United States Dams in the San Joaquin River basin Dams completed in 1967 Energy infrastructure completed in 1967 Embankment dams United States Bureau of Reclamation dams Diablo Range