The Delta of the Sacramento and San Joaquin Rivers is California’s water supply crossroads. It is the major collection point for water that serves more than 25 million people, two-thirds of our State’s population.
The maze of islands and channels at the confluence of these two large rivers has long been the focal point of debate surrounding a number of complicated water-related issues of statewide importance. Agricultural, urban, industrial, environmental, and recreational interests have a vital stake in the Delta and a need to understand the physical Delta and its
This Overview describes the waterways, highways, levees, historic flooding, water supply systems and political boundaries of the Delta to convey a basic understanding of the complexity of the Delta and its significance to the people of California.