1962 First delivery of State Water Project water from South Bay Aqueduct. 1964 Contract with San Francisco for Hetch Hetchy water supply. Bond issue approved for distribution system improvements. 1967 Appian Tank completed. 1971 Manuel J. Bernardo Softening Plant placed in operation to soften ground water supply.
Voters mandate fluoridation of water.
1972 Rubber Dam No. 1 installed to increase groundwater recharge capacity. Army Corps of Engineers completed widening and straightening of Alameda Creek allowing for a larger percolation area for the groundwater supply and providing a channel to the Bay for heavy storm water discharge. Alameda Reservoir completed. California Department of Fish and Game institutes regularly scheduled stocking of Alameda Creek with trout. 1974 Aquifer Reclamation Program started in order to remove saltwater from the groundwater basin.