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How Have California’s Water Issues Changed in the Past Thirty Years?

By Sarah Bardeen, Ellen Hanak, Jeffrey Mount, Brian Gray

PPIC drew its first breath thirty years ago—back when Ace of Base was topping the charts and the White House had launched its very first webpage. What has changed in California’s water in the past three decades? We sat down with our experts to find out.

Fact Sheet

Groundwater in California

By Kyle Greenspan, Spencer Cole, Caitlin Peterson

Groundwater is a vital, but threatened, component of California’s water supply. Learn more about this important resource!

Report

Replenishing Groundwater in the San Joaquin Valley: 2024 Update

By Caitlin Peterson, Ellen Hanak, Zaira Joaquín Morales

How much progress has been made on groundwater recharge in the San Joaquin Valley since 2017? This report shares the details of our latest groundwater recharge survey, which we conducted in 2023.

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