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Report

A New Approach to Accounting for Environmental Water: Insights from the Sacramento–San Joaquin Delta

By Greg Gartrell, Jeffrey Mount, Ellen Hanak, Brian Gray

How water is apportioned to California’s cities, farms, and the environment can lead to conflict and competition in times of drought. Allocation of water to the environment in particular is poorly accounted for and poorly understood—shortcomings that can affect water policy, decision making, and public perception. This report reviews the state’s long-standing methods for defining and accounting for environmental water and proposes reforms to improve the timeliness, transparency, and detail in the accounting of environmental water allocation.

Report

California’s Water: Preparing for Floods

By Ellen Hanak, Jay Lund, Jeffrey Mount, Matt Kondolf ...

One in five residents and billions of dollars in assets are vulnerable to flooding. Climate change brings new vulnerabilities. This brief describes new tools and approaches that can reduce these risks.

Report

Building Drought Resilience in California’s Cities and Suburbs

By David Mitchell, Ellen Hanak, Ken Baerenklau, Alvar Escriva-Bou ...

California’s urban water suppliers have become increasingly adept at drought management thanks to investments in diverse supplies, cooperative efforts with neighbors, and programs to manage water demand. But in the face of extreme hot and dry conditions, questions arose over preparedness for ongoing drought, and the state took the unprecedented step of ordering mandatory water conservation in 2015. This report looks at evolving state and local roles in managing urban water supply during drought, and lessons to help us better prepare for droughts of the future.

This research was supported with funding from California Water Service, the S. D. Bechtel, Jr. Foundation, and the US Environmental Protection Agency.

Report

Managing Water for the Environment During Drought: Lessons from Victoria, Australia

By Jeffrey Mount, Brian Gray, Caitrin Chappelle, Nathaniel Seavy ...

Drought management tools developed to sustain Australia’s environment during a decade-long drought are broadly applicable in California and could help the state’s water managers reduce the devastating effects of water scarcity on native species and ecosystems. This report identifies four broad areas of reform that could improve how the state allocates environmental water during dry times, and reduce conflict over the use of water for environmental purposes.

This research was supported with funding from The David and Lucile Packard Foundation, the US Environmental Protection Agency, and the Water Foundation, an initiative of the Resources Legacy Fund.

Report

California 2025: Taking on the Future

By Manuel Pastor, Paul Lewis, David Neumark, Deborah Reed ...

There is growing concern that rapid population growth and repeated budget shortfalls have brought California to a state of disrepair that could soon become a state of emergency. With support from the William and Flora Hewlett Foundation, PPIC undertook a study to see whether the state is facing a growth and infrastructure crisis, how big the problems are, and how to think about planning for the future. This report presents the findings of that study. It concludes that we haven’t reached a crisis—yet—but some trends and forces make it imperative to begin systematic, well-informed planning. Otherwise, the future California gets by default may not be the future residents want for themselves and their children.

Statewide Survey

PPIC Statewide Survey: Californians and the Environment

By Mark Baldassare, Dean Bonner, Rachel Lawler, Deja Thomas

Key findings from the current survey include: One in four Californians name water supply and drought as the state’s top environmental issue; 63% say water supply is a big problem in their region. Majorities approve of the way Governor Newsom and President Biden are handling environmental issues. About six in ten (63%) are very concerned about climate change increasing the severity of wildfires and drought. Majorities across party lines favor prioritizing alternative energy sources, such as wind, solar, and hydrogen.

Policy Brief

Policy Brief: Storing Water for the Environment

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

To protect and restore California’s freshwater ecosystems and respond to the changing climate, California’s water managers must change how they operate reservoirs. Our policy brief offers recommendations for how to do this in a way that makes the most efficient use of scarce water for the environment while minimizing impacts on other water uses.

Fact Sheet

Climate Change and California’s Water

By Jeffrey Mount, Daniel Swain, Paul Ullrich

Managing water is at the forefront of climate change adaptation in California. Changes are needed to prepare the water system for a more volatile climate.

Report

California’s Water: Providing Safe Drinking Water

By Ellen Hanak, Caitrin Chappelle, Jelena Jezdimirovic, Brian Gray ...

Most Californians have safe, reliable drinking water, but in some poor, rural parts of the state water contamination and drying wells is a persistent problem. This problem could be resolved in the near term with dependable funding and a clear state action plan.

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