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Managing Water and Farmland Transitions in the San Joaquin Valley

By Ellen Hanak, Andrew Ayres, Caitlin Peterson, Alvar Escriva-Bou ...

How can the San Joaquin Valley adapt to a future with less water? We’ve been researching this issue for the past seven years, and our new report presents highlights from we’ve learned, including a robust list of policy suggestions to help the valley weather—and make the most of—the coming changes.

blog post

Can We Capture More Water in the Delta?

By Sarah Bardeen

A massive amount of water is moving through the Sacramento–San Joaquin Delta in the wake of recent storms, and calls have risen from all quarters to capture more of this bounty. We spoke with PPIC Water Policy Center adjunct fellow Greg Gartrell to understand what’s preventing that—and to dispel the myth of “water wasted to the sea.”

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.

blog post

The High Cost of Fixing Levees

By Jeffrey Mount

The state’s levees are in poor shape. Upgrading them to avoid damaging floods will be very costly and will involve difficult trade-offs.

blog post

Caring About Delta Levees During a Drought

By Jeffrey Mount

When the sun is shining and our rivers are low, we tend to forget about the levees. This video—a simulation of what would happen if a severe earthquake hit the western Delta—is a reminder.

Report

Comparing Futures for the Sacramento-San Joaquin Delta

By Ellen Hanak, Jay Lund, William Fleenor, Jeffrey Mount ...

For over 50 years, California has been pumping water through the Sacramento-San Joaquin Delta for extensive urban and agricultural uses around the state. Today, the Delta is ailing and in urgent need of a new management strategy. This report concludes that building a peripheral canal to carry water around the Delta is the most promising way to balance two critical policy goals: reviving a threatened ecosystem and ensuring a reliable, high-quality water supply for California.
 
More information can be found in the following supporting appendices:

Appendix A. Policy and Regulatory Challenges for the Delta of the Future

Appendix B. Levee Decisions and Sustainability for the Delta

Appendix C. Delta Hydrodynamics and Water Salinity with Future Conditions

Appendix D. The Future of the Delta Ecosystem and Its Fish

Appendix E. Expert Survey on the Viability of Delta Fish Populations

Appendix F. The Economic Costs and Adaptations for Alternative Delta Regulations

Appendix G. Peripheral Canal Design and Implementation Options

Appendix H. Delta Drinking Water Quality and Treatment Costs

Appendix I. The Economic Effects on Agriculture of Water Export Salinity South of the Delta

Appendix J. Decision Analysis of Delta Strategies
 
 
 

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