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Independent, objective, nonpartisan research
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PPIC Water Policy Center

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

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Report · November 2025

Priorities for California’s Water

photo - Aqueduct Irrigation Central Valley
Report · June 2025

How Much Water Is Available for Groundwater Recharge in the Central Valley?

photo - underwater view of salmon fall run
Report · March 2025

Implementing Climate-Smart Conservation

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Blog Posts

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January 26, 2026

Artificial Intelligence and California’s Water

Annalise Blum

photo - California Poppy Bloom on Grass Mountain Trail, Santa Barbara County
December 18, 2025

2025 Year in Review

Tani Cantil-Sakauye

photo- Person Walks through Floodwaters from Levee Breach along the Pajaro River, Monterey County
December 15, 2025

Commentary: California’s Water Partnerships Are Effective—and in Danger

Letitia Grenier, Jeffrey Mount

photo - Chinook Salmon in the Feather River near the Hatchery in Oroville, Butte County, California, pixel-ca-dwr-2025_10_28_AN_0136_Oroville_Salmon_DRONE
December 8, 2025

California’s Salmon May Be Rebounding After Three Wet Winters

Sarah Bardeen, Jeffrey Mount

Fact Sheets

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photo - Merced River at Sunrise
January 2026

California’s Rivers and Streams

Jeffrey Mount, Annalise Blum, Ted Grantham

photo - Colorado River at Sunset
March 2025

The Colorado River

Gokce Sencan, Brian Gray

photo - Forest Fire in Northern California
March 2025

Headwaters and Wildfire in California

Kyle Greenspan, Bradley Franklin

Video

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Drought and Floods in California

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Featured Blog Post · November 18, 2025

How California Water Can Navigate a Changing Federal Partnership

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Key Areas

Fact Cards

1 in 5 Californians are vulnerable to flooding.
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8 Inches the California sea level has risen already over the past century.
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water-use-in-ca Who uses water in California?
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About 40% of water used by California cities and farms comes from underground aquifers.
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40% Share of California land used for agriculture, or about 40 million acres.
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The past 20 years have been the warmest in California history, making droughts more intense.
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Half of Californians—or 20 million people—are supplied by California’s share of the Colorado River.
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Most California water systems that fail to meet safety standards are in rural, low-income communities of color.
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The cost of California wildfire damage increased fivefold over the past two decades, reaching over $1 billion per year.
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30 million people and 6 million acres of farmland depend on water from the Sacramento-San Joaquin Delta watershed.
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