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Priorities for California’s Water

By Jeffrey Mount, Letitia Grenier, Ellen Hanak, Caitlin Peterson ...

California has made great strides in preparing for a drier, hotter future, but it remains a challenge to harness the bounty of wet years while also reducing flood risk. How did California’s water sector manage the unusually wet 2023 water year—and what lessons can we glean for the future?

blog post

Renewing California’s Groundwater: Ready, Set, Recharge!

By Caitlin Peterson, Sarah Bardeen

California’s wet winter has been a boon for the parched state, and farmers and water managers have been scrambling to funnel some of that abundance into the ground. But how is recharge going—and what could be improved? We get on-the-ground insights from Daniel Mountjoy of Sustainable Conservation and Aaron Fukuda of the Tulare Irrigation District.

Fact Sheet

Water Use in California’s Agriculture

By Caitlin Peterson, Alvar Escriva-Bou, Josué Medellín-Azuara, Spencer Cole

California is an agricultural powerhouse that relies heavily on irrigation. Discover how much water the sector uses and how groundwater laws and climate change are bringing change.

blog post

Can Nine Atmospheric Rivers Recharge California’s Groundwater?

By Sarah Bardeen

Last month’s storms dropped immense amounts of water on California. Now, many people are wondering if we’ve been able to sock away any of that bounty—so we asked groundwater hydrologist Helen Dahlke to give us the skinny.

blog post

Climate-Challenged California Must Learn to Thrive with Less Water

By Ellen Hanak, Jeffrey Mount

Managing water in our increasingly volatile climate is becoming more challenging: even if we do everything right, water supplies are likely to decline. The grand challenge for 21st-century water management in California is learning to thrive with less.

Report

Storing Water for the Environment

By Sarah Null, Jeffrey Mount, Brian Gray, Kristen Dybala ...

Large reservoirs are essential for managing water in California’s highly variable climate—but over the years, the construction and operation of these reservoirs have had significant environmental costs. Our new research outlines how reservoir operations could be changed to improve the health of the state’s fragile freshwater ecosystems.

blog post

What’s Really Important? Putting Recent Water News into Perspective

By Sarah Bardeen

Last week, three major stories about California’s water supply dominated the news. We asked PPIC Water Policy Center director Ellen Hanak and senior fellow Jeff Mount to share their perspectives on what’s really important about these stories.

Report

Groundwater and Urban Growth in the San Joaquin Valley

By Andrew Ayres, Ellen Hanak, Henry McCann, David Mitchell ...

As the San Joaquin Valley addresses groundwater overdraft under the Sustainable Groundwater Management Act (SGMA), its urban utilities face unique challenges. Learn how to ensure a smooth transition for the region’s residents.

Policy Brief

Policy Brief: Groundwater and Urban Growth in the San Joaquin Valley

By Andrew Ayres, Ellen Hanak, Henry McCann, David Mitchell ...

This policy brief distills the key takeaways from our report about the challenges urban utilities in the San Joaquin Valley will face as they address groundwater overdraft under the Sustainable Groundwater Management Act (SGMA). Learn how to ensure a smooth transition for the region’s residents.

Report

Improving California’s Water Market

By Andrew Ayres, Ellen Hanak, Brian Gray, Gokce Sencan ...

Water trading and banking will prove important tools to help California bring its groundwater basins into balance under the Sustainable Groundwater Management Act (SGMA). A broad range of policy changes could help improve and expand California’s water market while protecting communities from harm.

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