PPIC Logo Independent, objective, nonpartisan research
Image for

PPIC Water Policy Center

The PPIC Water Policy Center spurs innovative water management solutions that support a healthy economy, environment, and society—now and for future generations.

Featured Fact Sheet · April 2023

Water Use in California

Read More →

Fact Cards

30 million people and 6 million acres of farmland depend on water from the Sacramento-San Joaquin Delta watershed.
Landscaping accounts for about half of California’s urban water use.
About 40% of water used by California cities and farms comes from underground aquifers.
Southern California’s cities and suburbs rely on the dwindling Colorado River for about one-third of their water.
Who uses water in California?
240+ The number of endangered or vulnerable California freshwater species.
Most California water systems that fail to meet safety standards are in rural, low-income communities of color.
California added more than 5 million people since 1990, yet urban water use changed little.
The past 20 years have been the warmest in California history, making droughts more intense.
Two-thirds of dams in California are more than 50 years old.
1 in 5 Californians are vulnerable to flooding.