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

    COURTHOUSE NEWS: Water is for fighting: Colorado River group describes history of water disputes, looks for solutions

    Courthouse News Service
    Colorado River
    December 17, 2025
    The Colorado River Water Users Association is holding its annual three-day conference this week in Las Vegas. By Alan Riquelmy,...

    VOICE OF SAN DIEGO: Mexicali farmers threaten to use their Colorado River water, putting Tijuana’s supply in jeopardy

    Voice of San Diego
    Colorado River
    December 17, 2025
    Cities in northern Baja California depend on Mexicali farmers’ rights to use Colorado River water. The Mexican government just wrested...

    Westlands Water District Board votes to adopt Valley Clean Infrastructure Plan

    Westlands Water District
    Groundwater News
    December 17, 2025
    District advances major land-repurposing initiative as water shortages force large-scale land fallowing across the San Joaquin Valley From Westlands Water...

    CAL MATTERS: The U.S. is committed to cleaning up Tijuana River pollution. Will California follow through?

    Cal Matters
    Water quality
    December 17, 2025
    San Diego leaders are calling on California to take stronger action to address the ongoing environmental crisis caused by sewage...

    BERKELEY LAB: How researchers are driving advances for data centers

    Berkeley Lab
    Planning and management
    December 17, 2025
    From Berkeley Lab: Today’s technologies depend increasingly on computers and artificial intelligence – largely powered by data centers, which have...

    THE CONVERSATION: Where the wild things thrive: Finding and protecting nature’s climate change safe havens

    The Conversation
    Fish and wildlife
    December 17, 2025
    By Toni Lyn Morelli, UMass Amherst; U.S. Geological Survey and Diana Stralberg, University of Alberta The idea began in California’s...

    OpenET expands satellite-based water use data across 48 states, providing critical information to farmers and water managers across the nation

    Guest Contributor
    Planning and management
    December 17, 2025
    Unique public-private partnership brings together NASA, USGS, Google, Environmental Defense Fund, and more to make scientifically rigorous evapotranspiration data widely...

    DAILY DIGEST, 12/16: Trump’s plan to pump more water is ill-conceived and harmful, lawmakers say; The hydrants will run dry: Trump’s LA fire claims missed the mark, study shows; Federal ESA rules face overhaul—California prepares to fill the gap; The brawl over the Colorado River is about more than water; and more …

    Maven
    Daily Digest
    December 16, 2025
    [cmtoc_table_of_contents] Several news sources featured in the Daily Digest may limit the number of articles you can access without a...

    CAL MATTERS: The hydrants will run dry: Trump’s LA fire claims missed the mark, study shows

    Cal Matters
    Policy and regulation
    December 16, 2025
    Echoing state and local officials, a new analysis agrees: hydrant failures in the Palisades fire were ‘the rule rather than...

    SJV WATER: Pumping allocations a “head scratcher” as Kings County groundwater agencies work toward coordination

    SJV Water
    Groundwater News
    December 16, 2025
    By Monserrat Solis, SJV Water Groundwater agencies in the beleaguered Tulare Lake subbasin in Kings County have released a region-wide...

    DAILY DIGEST, 12/15: Rain, snow in forecast for NorCal; State releases amended Bay Delta Plan with new chapter; USDA pushes back on California Ag Land Equity Plan; Amid Colorado River ‘impasse,’ tense meeting comes to Las Vegas; and more …

    Maven
    Daily Digest
    December 15, 2025
    [cmtoc_table_of_contents] Several news sources featured in the Daily Digest may limit the number of articles you can access without a...

    INSIDE CLIMATE NEWS: Green California’s big oil problem

    Inside Climate News
    Water quality
    December 14, 2025
    While Gov. Newsom touted the state’s environmental efforts at the UN climate summit, toxic spills and a new law speeding...

    NOW AVAILABLE: Reclamation seeks public input on draft environmental impact statement for Del Puerto Canyon Reservoir Project

    Bureau of Reclamation News
    Planning and management
    December 14, 2025
    Proposed project would provide up to 82,000 acre-feet of new offstream water storage Press release from the Bureau of Reclamation...

    DAILY DIGEST, weekend edition: State Water Board releases new analysis to advance latest proposed Bay-Delta Plan updates; Green California’s big oil problem; Reclamation releases draft EIS for Del Puerto Canyon Reservoir Project; The Bay Area neighborhood most vulnerable to sea level rise is also sinking; and more …

    Maven
    Daily Digest
    December 14, 2025
    [cmtoc_table_of_contents] Several news sources featured in the Daily Digest may limit the number of articles you can access without a...

    NOW AVAILABLE: San Francisco Bay Wetlands and Flood Risk Reduction StoryMap

    Guest Contributor
    EcosystemsFact Sheets/Tools/Info
    December 14, 2025
    From the SF Estuary Wetlands Regional Monitoring Program: The Wetlands and Flood Risk Reduction StoryMap was developed to support the SF...
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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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