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Transitions for the Delta Economy

By Ellen Hanak, Jay Lund, Richard Howitt, Josué Medellín-Azuara

Enormous changes—from natural forces to management decisions—are coming to California’s fragile Delta region and will have broad effects on its residents. This report finds that in the first half of this century, the Delta as a whole is likely to experience a loss of 1 percent of economic activity as a result of these changes. It also identifies planning priorities for managing the Delta’s future.

This research was supported with funding from the Watershed Sciences Center at UC Davis.

blog post

The Environmental Benefits of the Water Storage Investment Program

By Gokce Sencan, Jeffrey Mount

The Water Storage Investment Program is the first attempt use public funds to incentivize new water storage for the environment. While the program has faced some challenges, it could prove to be a useful model for future efforts—with some improvements.

blog post

From Litigation to Collaboration on the San Joaquin River

By Molly Peterson, Sarah Bardeen

The San Joaquin Valley is one of the most productive agricultural regions in the world, and much of its success comes from the waters of the San Joaquin River. Today, the challenge is how to undo some of the damage done to the river’s ecosystems—and how to reconnect the river to its many communities.

Report

Advancing Ecosystem Restoration with Smarter Permitting

By Letitia Grenier, Stephanie Panlasigui, Crissy Pickett, Gokce Sencan

California’s ecosystems are vital to the state’s economy and wellbeing, yet they’re in dire health. Large-scale restoration is needed, and implementing smarter permitting can help.

Report

Managing California’s Water: From Conflict to Reconciliation

By Ellen Hanak, Jay Lund, Jeffrey Mount, Richard Howitt ...

California has struggled to manage its water effectively for more than 30 years. Today, the state needs to consider a set of wide-ranging reforms—for the benefit of the economy and the environment.

Executive Summary

Full Report [PDF, 9.06 MB]

To view individual chapters, click on the links below.

Introduction

Floods, Droughts, and Lawsuits: A Brief History of California Water Policy

California Water Today

Drivers of Change

Urgent and Fundamental Challenges

Reconciling Ecosystems: Reversing Declines in Native Species

Orchestrating the Management of Water Scarcity, Quality, and Flooding

Managing Water as a Public Commodity

Effective and Adaptive Governance

Pathways to Reform

A Way Forward

Technical Appendix: Managing California’s Water: Insights from Interviews with Water Policy Experts


This research was supported with funding from S. D. Bechtel, Jr. Foundation, The David and Lucile Packard Foundation, Pisces Foundation, Resources Legacy Fund, and Santa Ana Watershed Project Authority.

blog post

Adapting to a Water-Scarce California

By Ellen Hanak

With the arrival of a series of atmospheric rivers, drought-weary Californians are now confronting the weather whiplash that’s a hallmark of our state’s climate. But the current deluge won’t erase California’s water challenges. PPIC Water Policy Center director Ellen Hanak reflects on what happened with California’s water in 2022—and explores how to manage the resource in our increasingly volatile climate.

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