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blog post

Commentary: Water-use Challenges Affecting Farmers Means Reinventing the San Joaquin Valley

By Ellen Hanak, Caitlin Peterson

To ensure the San Joaquin Valley’s future, groundwater overpumping has to end—and some 500,000 acres of farmland will likely need to come out of intensively irrigated production. But unplanned, haphazard fallowing would harm the valley. In our Fresno Bee commentary, we share insights on how to protect the valley’s residents, agriculture, and environment, drawing on over seven years of research.

Report

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.

data set

PPIC Farm Sizes in the San Joaquin Valley: Water Data

This dataset summarizes surface water availability metrics for farms of different sizes in the San Joaquin Valley as well as volumes of groundwater needed to support allocations for potentially vulnerable users under the Sustainable Groundwater Management Act.

blog post

Renewing California’s Groundwater: Ready, Set, Recharge!

By Caitlin Peterson, Sarah Bardeen

California’s wet winter has been a boon for the parched state, and farmers and water managers have been scrambling to funnel some of that abundance into the ground. But how is recharge going—and what could be improved? We get on-the-ground insights from Daniel Mountjoy of Sustainable Conservation and Aaron Fukuda of the Tulare Irrigation District.

blog post

Metropolitan Water District: “We’re the Squirrels of the Water System”

By Sarah Bardeen

Deven Upadhyay is the assistant general manager and executive officer for the Metropolitan Water District of Southern California, which provides water to 19 million people. This week on the blog, Upadhyay describes how Met is handling California’s recent precipitation whiplash—and shares some improvements that are in the works.

blog post

Video: Making the Most of a Wet Year

By Sarah Bardeen

Last week, we hosted an expert panel to discuss how we’re handling the sudden deluge of precipitation after years of drought. While the rain and snow has helped transform what was a grim water supply situation, it’s clear that we need to do a better job of preparing for floods—and storing some of that excess water for the dry times that will return.

Fact Sheet

Water Use in California

By Jeffrey Mount, Ellen Hanak, Caitlin Peterson

To understand California’s water, start here. Water use in California varies dramatically between wet and dry years: learn who’s using California’s water, where, and how much.

Fact Sheet

Water Use in California’s Agriculture

By Caitlin Peterson, Alvar Escriva-Bou, Josué Medellín-Azuara, Spencer Cole

California is an agricultural powerhouse that relies heavily on irrigation. Discover how much water the sector uses and how groundwater laws and climate change are bringing change.

Fact Sheet

Water Use in California’s Environment

By Jeffrey Mount, Caitlin Peterson, Gokce Sencan

What exactly is “environmental water,” and how much water does California’s environment actually use? This explainer sticks to the facts—and dispels a few myths in the process.

Fact Sheet

Water Use in California’s Communities

By Andrew Ayres, Caitlin Peterson, Annabelle Rosser

Even as California’s population has grown by millions, its per-capita water use has declined. Communities are finding ways to boost resilience in the face of climate change.

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