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    AG ALERT: Invasive mussels spread, could clog irrigation systems

    Ag Alert
    Ecosystems
    January 28, 2026
    By Vicky Boyd, Ag Alert Since the non-native golden mussel was first discovered in October 2024 in the Sacramento-San Joaquin...

    DAILY DIGEST, 1/27: A hard look at the 3,000-page Bay-Delta Plan; Trial begins in tire chemical runoff case against tire manufacturers; Artificial intelligence and California’s water; California to host high-stakes discussion on Colorado River crisis as federal deadline looms; and more …

    Maven
    Daily Digest
    January 27, 2026
    [cmtoc_table_of_contents] Several news sources featured in the Daily Digest may limit the number of articles you can access without a...

    NOTEBOOK FEATURE: A hard look at the 3,000-page Bay-Delta Plan

    Alastair Bland
    Notebook News and FeaturesPolicy and regulation
    January 27, 2026
    Is a state plan to update Delta water rules double counting restoration of water and habitat? By Alastair Bland A...

    COURTHOUSE NEWS: Trial begins in tire chemical runoff case against tire manufacturers

    Courthouse News Service
    Water quality
    January 27, 2026
    Conservationists say that a chemical used by car tire manufacturers in the U.S. is leaching into waterways and killing protected...

    UNIV. OF COLORADO: Considerations for assigned water after expiration of the 2007 guidelines

    University of Colorado at Boulder
    Colorado River
    January 27, 2026
    From the University of Colorado at Boulder: Assigned Water programs in the Colorado River system, like Intentionally Created Surplus and...

    USGS: Recent scientific contributions by the U.S. Geological Survey in the San Francisco Bay and Sacramento–San Joaquin Delta Estuary

    USGS
    Delta science
    January 27, 2026
    From the USGS: The San Francisco Bay and Sacramento–San Joaquin Delta Estuary (hereafter, Bay-Delta) is the largest estuary on the...

    PRESS RELEASE: Nearly two million juvenile salmon released into winter-flooded rice fields in hopes of stronger survival rates to the Pacific Ocean

    Sacramento River Settlement Contractors
    Fish and wildlife
    January 27, 2026
    Studies show salmon double in size with better access to food sources produced on floodplain habitats, improving health during outward...

    CAL MATTERS: Residents of a polluted California town pinned hopes on new state rules. They’re still waiting

    Cal Matters
    Water quality
    January 27, 2026
    A 2015 law required the state Department of Toxic Substances Control to overhaul its permitting process to consider how multiple...

    SJV WATER: Water continued to be a dominant factor in Kern County ag land values in 2025

    SJV Water
    Agriculture
    January 27, 2026
    By Lois Henry, SJV Water Reliable access to water remained a dominant factor in agricultural land valleys in Kern County...

    DAILY DIGEST, 1/26: Not dry, but drought remains an issue, mid-wet season 2026; The Delta’s role in California’s carbon sequestration and climate goals; Conservation may not be enough to sustain water supplies, researchers find; As deal deadline approaches, Colorado River stewards debate a broad range of options; and more …

    Maven
    Daily Digest
    January 26, 2026
    [cmtoc_table_of_contents] Several news sources featured in the Daily Digest may limit the number of articles you can access without a...

    NOTEBOOK FEATURE: The Delta’s role in California’s carbon sequestration and climate goals

    Maven
    Climate changeNotebook News and Features
    January 26, 2026
    Carbon is the foundation of the Delta’s peat soils and a key component of two major greenhouse gases: carbon dioxide,...

    PENN STATE: Conservation may not be enough to sustain water supplies, researchers find

    Guest Contributor
    Planning and management
    January 26, 2026
    A new computational model reveals that prescriptive water conservation in three US cities would be less effective under severe climate...

    USGS: Biophysical controls on sediment erodibility in San Francisco Bay

    USGS
    Ecosystems
    January 26, 2026
    By the USGS Pacific Coastal and Marine Science Center The erodibility of bed sediment in estuaries can shape everything from...

    UTA research helps Los Angeles understand hidden water impacts long after fires end

    Guest Contributor
    Wildfires and watersheds
    January 26, 2026
    Why California turned to University of Texas at Arlington after devastating wildfires By Brian Lopez, University of Texas at Arlington...

    EOS: Report: 13 Great Lakes’ worth of water underlies the contiguous United States

    American Geophysical Union
    Groundwater News
    January 26, 2026
    Combining direct measurements with artificial intelligence methods, a new map estimates groundwater depth across the contiguous United States at a...
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    FEATURED EVENT

    Today’s Daily Digest

    DAILY DIGEST, 2/25: Governor Newsom launches most ambitious water plan in California history; Hoover Dam is iconic at 90, but rise in US dam removals signals changing mindset; Yuba Water accesses damaged Colgate powerhouse, reports “extensive damage”; Jeffrey Kightlinger: Water and Southern California: Past, present, and future; and more …

    Top Posts

    • DAILY DIGEST, 2/24: Bay-Delta plan heads toward fall adoption with limited changes; Little fish, big decisions: How science guides actions in the Delta; Sustainable yield and safe yield: Are they comparable terms or distinctly different?; Colorado River plan could wipe Arizona from the map, officials say; and more ...
      DAILY DIGEST, 2/24: Bay-Delta plan heads toward fall adoption with limited changes; Little fish, big decisions: How science guides actions in the Delta; Sustainable yield and safe yield: Are they comparable terms or distinctly different?; Colorado River plan could wipe Arizona from the map, officials say; and more ...
    • DAILY DIGEST, 2/25: Governor Newsom launches most ambitious water plan in California history; Hoover Dam is iconic at 90, but rise in US dam removals signals changing mindset; Yuba Water accesses damaged Colgate powerhouse, reports “extensive damage”; Jeffrey Kightlinger: Water and Southern California: Past, present, and future; and more ...
      DAILY DIGEST, 2/25: Governor Newsom launches most ambitious water plan in California history; Hoover Dam is iconic at 90, but rise in US dam removals signals changing mindset; Yuba Water accesses damaged Colgate powerhouse, reports “extensive damage”; Jeffrey Kightlinger: Water and Southern California: Past, present, and future; and more ...
    • PRESS RELEASE: Governor Newsom launches most ambitious water plan in California history
      PRESS RELEASE: Governor Newsom launches most ambitious water plan in California history
    • NOTEBOOK FEATURE: Sustainable yield and safe yield: Are they comparable terms or distinctly different?
      NOTEBOOK FEATURE: Sustainable yield and safe yield: Are they comparable terms or distinctly different?
    • GUEST COMMENTARY:  Recharge the valley: Why California’s water future depends on groundwater
      GUEST COMMENTARY: Recharge the valley: Why California’s water future depends on groundwater
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