Policy Brief Policy Brief: Tracking Where Water Goes in a Changing Sacramento–San Joaquin Delta By Greg Gartrell, Jeffrey Mount, Ellen Hanak May 16, 2022 The Sacramento–San Joaquin Delta supplies water to roughly 30 million Californians, over 6 million acres of farmland, and countless ecosystems. But the watershed’s climate is changing: recent decades have seen record warmth, higher evaporation, and declining snowpack. We track where the water is going—and how to adapt.
data set PPIC Delta Water Accounting May 16, 2022 These spreadsheets contain all data, sources, and methods used to calculate water use in California’s Sacramento–San Joaquin Delta, including estimates of outflow needed to meet regulations; ecological, export, and municipal and industrial uses; and watershed-level water sources and upstream depletions.
blog post California’s Rivers Could Help Protect the State from Flood and Drought By Sarah Bardeen Apr 18, 2022 Ecosystem restoration expert Julie Rentner of the nonprofit River Partners spoke with us about the benefits of restoring rivers—particularly in a warming and more volatile climate.
Policy Brief Policy Brief: Drought and California’s Agriculture By Alvar Escriva-Bou, Josué Medellín-Azuara, Ellen Hanak, John Abatzoglou Apr 13, 2022 California’s agricultural sector is the nation’s largest: it generates more than $50 billion dollars in annual revenue and employs more than 420,000 people. The ongoing drought is taking a toll on agriculture, related sectors, and rural communities, but there are ways to increase resilience in a warming world.
blog post Water Trading Can Help California’s Struggling Freshwater Ecosystems By Ellen Hanak, Gokce Sencan Apr 4, 2022 California’s freshwater ecosystems are struggling—but water trading has helped in the past, and that could continue. We provide fresh data on the current state of environmental water transfers and highlight ways to improve them.
blog post Could Rangeland Return to the Central Valley? By Caitlin Peterson Mar 28, 2022 As Central Valley farmers confront the need to fallow some farmland to comply with SGMA, we interview two experts about a possible alternative to fallowing: converting formerly irrigated farmland into rangeland. It would keep the land economically productive—and might bring other benefits.
blog post What Every Californian Should Know About Groundwater By Sarah Bardeen Mar 22, 2022 In honor of World Water Day and its theme—“Groundwater—making the invisible visible”—we asked a handful of PPIC Water Policy Center staff to discuss groundwater and drought in California.
blog post Reforming Water Rights in California By Sarah Bardeen Feb 28, 2022 Water rights reform has long been the third rail in California politics—but that might be changing, thanks to an intriguing new report. We speak with two of the report’s authors about why they undertook this effort now.
blog post SGMA Could Bolster Habitat Restoration in the San Joaquin Valley By Ellen Hanak, Caitlin Peterson, Abigail Hart Feb 22, 2022 As growers prepare to bring land out of production in the San Joaquin Valley, we’re exploring a variety of ways to manage that newly-fallowed farmland. This week, we look at a promising potential use: transforming formerly irrigated land into habitat.
blog post Testimony: Implementing SGMA at Ground Zero—Challenges and Opportunities for the San Joaquin Valley By Ellen Hanak, Alvar Escriva-Bou Feb 15, 2022 PPIC Water Policy Center director Ellen Hanak testified before an informational hearing on the Sustainable Groundwater Management Act in Sacramento today (February 15, 2022). Read her prepared remarks.
