PPIC Logo Independent, objective, nonpartisan research
Report · November 2018

California’s Water: The Sacramento-San Joaquin Delta

Ellen Hanak, Jay Lund, Jeffrey Mount, Peter Moyle, Brian Gray, Caitrin Chappelle, Wim Kimmerer, and Greg Gartrell

Support for this work comes from a variety of generous sponsors. Please see the full list at the bottom of this page.


The Delta is the deteriorating, fragile hub of California’s water supply system. Critical decisions about its future are pending. This brief looks at various approaches being proposed to improve management and health of the Delta.

This publication is part of a briefing kit that summarizes 13 of the state’s most pressing water management issues.


Freshwater Ecosystems Water Supply Water, Land & Air