Category Archives: California Water

Eastern San Joaquin Valley and other CA drinking water supplies at risk in the next drought

by Amanda Fencl, Rich Pauloo, Alvar Escriva-Bou, Hervé Guillon During the 2012-2016 drought, the state received more than 2,500 domestic well failure reports, the majority of which were in the Central Valley (DWR 2018). This left thousands of people without a … Continue reading

Posted in California Water, Drinking water, Drought | Tagged , | 2 Comments

Getting Strategic about Freshwater Biodiversity Conservation in California

by Jeanette Howard, Kurt Fesenmyer, Theodore Grantham, Joshua Viers, Peter Ode, Peter Moyle, Sarah Kupferberg, Joseph Furnish, Andrew Rehn, Joseph Slusark, Raphael Mazor, Nicholas Santos, Ryan Peek, and Amber Wright An essential first step to protect biodiversity is understanding what species … Continue reading

Posted in Biology, California Water, Conservation, reconciliation | Tagged | 1 Comment

U.C. Davis Law’s Environmental Law Center Releases Proposition 3 White Paper

by Richard Frank This article originally appeared on Legal Planet on October 31, 2018 The U.C. Davis School of Law’s California Environmental Law & Policy Center has published a detailed analysis of one of the most controversial initiative measures facing … Continue reading

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The Public Trust and SGMA

by Brian Gray In a recent decision in litigation over flows and salmon survival in the Scott River system, the California Court of Appeal has ruled that groundwater pumping that diminishes the volume or flow of water in a navigable … Continue reading

Posted in California Water, Groundwater | Tagged , , , , | 5 Comments

Water storage successes, failures, and challenges from Proposition 1

by Jay Lund The California Water Commission recently allocated $2.7 billion from Proposition 1 bonds for eight water storage projects.  Proposition 1 was passed in 2014 to fund a range of projects, including “public purposes” of water storage projects, such … Continue reading

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Science, the Delta, and the future of San Joaquin salmon

by Peter B. Moyle I feel fortunate to be a biologist in an era and place, California, where science matters.  Routine scientific studies rarely make headlines but they are relied on by decision makers because they reduce uncertainty, bit by … Continue reading

Posted in Biology, California Water, Fish, Sacramento-San Joaquin Delta, San Joaquin River | Tagged | 4 Comments

Groundwater exchange pools in Los Angeles: An innovative example of adaptive management

by Erik Porse, Kathryn Mika, Stephanie Pincetl, Mark Gold, and William Blomquist Across California, Groundwater Sustainability Agencies (GSAs) are devising plans to reduce long-term overdraft. As part of the 2014 Sustainable Groundwater Management Act, GSAs will submit plans in 2020-2022, … Continue reading

Posted in California Water, Groundwater, urban water | Tagged , | 1 Comment

SGMA struggles to overcome marginalization of disadvantaged communities

by Kristin Dobbin Small Disadvantaged Communities (DACs), or DACs with less than 10,000 people, have long been disproportionately affected by California’s water management woes such as groundwater overdraft and pollution. Now, new research from the UC Davis Center for Environmental … Continue reading

Posted in California Water, Drinking water, Drought, Groundwater | Tagged , , | 7 Comments

Improving Urban Water Conservation in California

by Erik Porse The relatively dry 2017-18 winter in California resurfaced recent memories of drought conservation mandates. From 2013-16, urban water utilities complied with voluntary, then mandatory, water use limits as part of Executive Order B-37-16. Urban water utilities met … Continue reading

Posted in California Water, Conservation, Drought, urban water | Tagged | 3 Comments

Modeling, Measuring, and Comparing Crop Evapotranspiration in the Delta

by Jesse Jankowski Crop evapotranspiration (ET) is the biggest managed loss of water in California, accounting for roughly 80% of human net water use, and includes crop water applications transpired from plants and evaporated from soil. Methods to estimate ET … Continue reading

Posted in Agriculture, California Water, Delta, Planning and Management, Tools | Tagged , | 1 Comment