Author Archives: jaylund

About jaylund

Professor of Civil and Environmental Engineering Director, Center for Watershed Sciences University of California - Davis

An Introduction to State Water Project Deliveries

By Nicole Osorio Most people in California receive some of their drinking water supply from the State Water Project (SWP). The SWP also supplies water to over 10% of California’s irrigated agriculture.  The SWP and its service area span much … Continue reading

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How reliable are Groundwater Sustainability Plans?

by Alvar Escriva-Bou, Jay Lund, Josue Medellin-Azuara, and Thomas Harter Earlier this year, the first local Groundwater Sustainability Plans (GSPs) were submitted to California’s Department of Water Resources for basins with the most severe groundwater overdraft.  To comply with the … Continue reading

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Supreme Court Ruling Finds Old, New Middle Ground on Clean Water Act’s Application to Groundwater

By Thomas Harter, Steph Tai, and Karrigan Bork In 1972, the U.S. Clean Water Act (CWA) created a permit system for point source discharges to navigable waters of the United States – rivers, lakes, and coastal waters – with the … Continue reading

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MWDC Proposes Overarching Delta Solution

by Nestle J. Frobish Today the Megalopolitan Water District of California (a consortium of southern California and Bay Area urban water suppliers) proposed building a new aqueduct to take water from the Sacramento River to Bay Area and southern California … Continue reading

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Is California’s dry 2020 water year a drought? Prepare anyway

by Jay Lund Not again! There was not a “Miracle March” to follow California’s precipitation “Flat-line February.”  Instead, we’ve had a “Meh March.” With the near-end of its wet season, California’s 2020 water year is and will be dry.  The … Continue reading

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California’s Driest February and Coming Drought?

    By Jay Lund February has been amazingly dry in California, if anyone hasn’t noticed.  No precipitation at all in February, a dry forecast, about 51% of seasonal Sacramento Valley precipitation (a bit less for the San Joaquin and … Continue reading

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Episode 1: “Unraveling the Knot” Water movement in the Sacramento-San Joaquin Delta – reprise

By Bill Fleenor, Amber Manfree, and Megan Nguyen This is a re-posting from January 22, 2017.  Reminders on how things work are sometimes useful. (The whole series, with links below, is thought-provoking.) In 2010, John DeGeorge of RMA, Inc used … Continue reading

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Realty Meets Climate Reality

by Kat Kerlin My husband and I fell in love a couple of months ago. It was with a house by a river. (See what I did there?) This is the river that was a stone’s throw away when we … Continue reading

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Striped Bass: An Important Indicator Species in the Delta

by Peter Moyle The striped bass is a favorite sport fish in the San Francisco Estuary (SFE), especially the Delta, because of its large size, sporting qualities, and tasty flesh. Historically, it supported major commercial and sport fisheries but the … Continue reading

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A Change of Plans

by Jay Lund The 1957 California Water Plan was ambitious for its time, and successful in its own way for a time. This plan was the ultimate major water project development plan arising from a century of struggles to orient … Continue reading

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