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    • EXPLAINERS
      • Where does California’s water come from?
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    • Calendar
    • WATER SHELF

    SNOW SURVEY: Record hot, dry march wipes out California snowpack, leaving no measurable snow for April survey

    Department of Water Resources (DWR)
    Hydrology
    April 1, 2026
    Warm storms and high‑elevation rain accelerate melt months ahead of schedule, impacting water supply for the remainder of the year...

    DAILY DIGEST, 4/1: April 1 is supposed to be peak snow. Forget that this year; Decadelong fight over Yuba River dams ends in favor of feds; A clearer view: The first seamless elevation map of the Bay-Delta; Unusually warm and dry March sees Folsom Lake rise, not fall. Here’s why; and more …

    Maven
    Daily Digest
    April 1, 2026
    [cmtoc_table_of_contents] Several news sources featured in the Daily Digest may limit the number of articles you can access without a...

    COURTHOUSE NEWS: Decadelong fight over Yuba River dams ends in favor of feds

    Courthouse News Service
    Water rights and water law
    April 1, 2026
    The judge determined the defendants erred in one regard, remanding the issue of an analysis for a water diversion facility...

    THE CONVERSATION: Winter’s alarmingly low snowpack offers a glimpse of the changing rhythm of water in the western US

    The Conversation
    Colorado RiverHydrology
    April 1, 2026
    By Imtiaz Rangwala, University of Colorado Boulder Winter is more than just a season in the western U.S. – it...

    DELTA COUNCIL: A clearer view: The first seamless elevation map of the Bay-Delta

    Maven
    Planning and management
    April 1, 2026
    At the March Delta Stewardship Council meeting, the Delta Lead Scientist’s Report showcased a complete, high-quality elevation map of the...

    USGS: New AI tool forecasts drought 90 days ahead nationwide

    USGS
    Planning and management
    April 1, 2026
    System gives water managers, farmers, and communities early warning of streamflow drought conditions By the USGS The U.S. Geological Survey...

    DAILY DIGEST, 3/31: Heated rivalry: Snowpack vs. climate change. Guess who wins.; Seismic activity in California varies with the seasons – and groundwater levels; A Tribal group in CA vies for a piece of the AI boom; Rethinking how the United States and Mexico share the Colorado River; and more …

    Maven
    Daily Digest
    March 31, 2026
    [cmtoc_table_of_contents] Several news sources featured in the Daily Digest may limit the number of articles you can access without a...

    GRIST: The West’s unprecedented winter could fuel a summer of disaster

    Grist
    Hydrology
    March 31, 2026
    Record-low snowpack and an early heatwave could mean a higher risk of drought and fire in coming months. By Tik...

    UC BOULDER: Rethinking how the United States and Mexico share the Colorado River

    University of Colorado at Boulder
    Colorado River
    March 31, 2026
    From the University of Boulder, Getches-Wilkinson Center By Eric Kuhn, Anne Castle, Carlos de la Parra, John Fleck, Jack Schmidt, Kathryn Sorensen, Katherine Tara With the...

    ILRP: Agriculture expert panel releases draft report on regulation of on-farm nitrogen use

    State Water Board
    Policy and regulation
    March 31, 2026
    From the State Water Resources Control Board: An independent panel of academics and agricultural industry advisors today released a draft...

    DAILY DIGEST, 3/30: Thin snowpack raises summer water risks; Strong marine heatwave developing off SoCal coast; Almond crops use a lot of water—this grower is changing that; Colorado River commissioner gives fiery speech on river negotiations; and more …

    Maven
    Daily Digest
    March 30, 2026
    [cmtoc_table_of_contents] Several news sources featured in the Daily Digest may limit the number of articles you can access without a...

    PRESS RELEASE: Governor announces end to 2021 drought emergency after AquAlliance and CSPA sue

    Conservation organizations & coalitions
    Policy and regulation
    March 29, 2026
    Press release from AquAlliance: Fourteen days after being sued by AquAlliance and the California Sportfishing Protection Alliance (CSPA) for unlawfully...

    DELTA CONVEYANCE PROJECT: Ruling on DTEC’s Evidentiary Objections to DWR’s “Subpoena Panel” Exhibits and Related Testimony (Hearing on Proposed Delta Conveyance Project)

    State Water Board
    Delta Conveyance Project
    March 29, 2026
    This procedural ruling responds to the Delta Tribal Environmental Coalition’s (DTEC) November 21, 2025 evidentiary objections to exhibits submitted by...

    DAILY DIGEST, weekend edition: Pacific storms to snap record heat wave in western US this week; Court denies DWR’s motion to disqualify law firm from litigation challenging Delta tunnel project; Is this the worst Tahoe ski season ever — or just the weirdest?; Imperial County demands equity and action on New River crisis; and more …

    Maven
    Daily Digest
    March 29, 2026
    [cmtoc_table_of_contents] Several news sources featured in the Daily Digest may limit the number of articles you can access without a...

    WEEKLY WATER NEWS DIGEST for Mar. 22-27: Pacific storms to snap record heat wave; Millions of hatchery salmon face ‘deadly’ low water flows; Sites Reservoir on track for key state permit; Tribes, enviros urge Newsom to oppose Shasta Dam raise; and more …

    Maven
    Weekly Digest
    March 27, 2026
    A wrap-up of posts published on Maven’s Notebook this week … Note to readers: Sign up for weekly email service...
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    Today’s Daily Digest

    DAILY DIGEST, 9/22: Sacramento River has gotten too warm for its salmon; Newsom declares state of emergency to prepare for Super El Niño; Tracking Harmful Algal Blooms in the Delta; Unpacking the latest developments on the Colorado River; and more …

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