The heart of California’s water system and the largest estuary on the West Coast—the Sacramento-San Joaquin Delta—is highly vulnerable. Environmental concerns are mounting. Water supplies are at risk.
The U.S. Geological Survey has warned of a 63 percent probability that a 6.7 magnitude or larger earthquake will hit in the next 30 years. An earthquake of that size has the power to not only devastate local communities, but wipe out a significant portion of the state’s water supply for more than a year.
Delta Disrupted is a public education and outreach program aimed at raising awareness of the risks we face and the solutions before us.
State Water Project
The State Water Project is the nation's largest state-built water and power development and delivery system. Stretching from Northern California through the Bay Area, the Central Valley and into Southern California, it is a multi-faceted system that includes reservoirs, lakes, storage tanks, canals, tunnels, pipelines and pumping and power plants. Together, these elements enable the state to capture, store, and convey water to 27 public water agencies. Through the State Water Project, State Water Contractors member agencies deliver water to more than 26 million residents, businesses and farms up and down California.
Protecting California Water Supplies
The water that moves through the Sacramento-San Joaquin Delta (Delta) supplies fresh water for 26 million Californians, the majority of the state’s businesses, three million acres of farmland, and many diverse ecosystems. The state’s antiquated water delivery system tasked with protecting and moving Delta water supplies is no longer fit for the job – earthquakes and rising sea levels pose a constant threat to freshwater, water managers are unable to capture needed rainfall during drought, and the environment still deteriorates. There’s no question that we need to change the way we divert water from the Delta. Governor Brown’s administration has proposed a fix – California WaterFix, and the parallel California EcoRestore, aims to protect the Delta and improve water reliability for all who depend on this critical supply by constructing two pipelines to move water under – rather than through – the fragile Delta.