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

    DAILY DIGEST, 7/13: A ‘super’ El Niño is brewing, Pacific poised for tropical surge’; Arvin-Edison WSD finds successful treatment for golden mussels; Salmon fishing resumes off the coast; Water extinguishes fire, but how does fire affect water?; and more …

    Maven
    Daily Digest
    July 13, 2026
    [cmtoc_table_of_contents] Several news sources featured in the Daily Digest may limit the number of articles you can access without a...

    DAILY DIGEST, weekend edition: Pacific Ocean sets a 177-year record for June warmth; Environmental DNA monitoring protects fish hatchery from invasive species; Podcast: Mark Arax on California’s extraction ethos; Dry winter leaves farmers along Colorado River facing greater water shortages; and more …

    Maven
    Daily Digest
    July 12, 2026
    [cmtoc_table_of_contents] Several news sources featured in the Daily Digest may limit the number of articles you can access without a...

    USGS: Environmental DNA monitoring protects fish hatchery from invasive species

    USGS
    Ecosystems
    July 11, 2026
    By the USGS USGS NOROCK scientists, in collaboration with the U.S. Fish and Wildlife Service, used environmental DNA monitoring in...

    UC SANTA CRUZ: UC Santa Cruz team helps California Air Resources Board better understand how wetlands sequester carbon and improve air quality

    UC Santa Cruz
    Climate change
    July 11, 2026
    Atmosphere-monitoring towers operated by the Paytan Lab will tell the tale of two very different Southern California wetlands over the...

    INDIAN WELLS VALLEY: Judge in groundwater adjudication case sharply questions experts for the large pumpers and will appoint a ‘special master’

    Indian Wells Valley
    Groundwater News
    July 11, 2026
    Press release from the Indian Wells Valley Groundwater Authority After taking evidence and hearing several days of testimony from expert...

    PRESS RELEASE: Western United Dairies responds to State Water Board’s revised draft Dairy Order

    Guest Contributor
    Policy and regulation
    July 11, 2026
    Dairy organization participated in the July 8 State Water Board workshop to provide practical feedback on the draft order From...

    SHASTA DAM: State Water Contractors responds to Court’s denial of request for a temporary restraining order

    State Water Contractors
    Water project operations
    July 11, 2026
    State Water Contractors applaud decision, which reinforces science-based water management From the State Water Contractors: On Thursday, July 9, the...

    C-WIN: Waste and unreasonable use: The overriding doctrine for California water law

    CA Water Impact Network (C-WIN)
    CommentaryPolicy and regulation
    July 11, 2026
    By Max Gomberg, C-WIN Senior Policy Advisor If there is a single overriding principle that defines the consumption of water...

    THE CONVERSATION: How redefining one word strips the Endangered Species Act’s ability to protect vital habitat

    The Conversation
    Policy and regulation
    July 11, 2026
    By Mariah Meek, Michigan State University and Karrigan Börk, University of California, Davis It wouldn’t make much sense to prohibit...

    WEEKLY WATER NEWS DIGEST for 7/6-10: What a strong El Niño means for CA; Kern water districts slash support for Delta tunnel; Reclamation’s Shasta plan poses salmon peril; Golden mussels plague farms and water districts; and more …

    Maven
    Weekly Digest
    July 10, 2026
    A wrap-up of posts published on Maven’s Notebook this week … Note to readers: Sign up for weekly email service...

    DAILY DIGEST, 7/10: Judge denies environmentalists pause on fed’s Shasta plan; What a strong El Niño means for CA; How climate change could raise your water bill; Trump admin OKs Cadiz plan to pipe water out of the Mojave Desert; and more …

    Maven
    Daily Digest
    July 10, 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: Judge denies environmentalists pause on fed’s Shasta plan

    Courthouse News Service
    Water project operations
    July 10, 2026
    Conservation groups say the large water infrastructure projects in Northern California could harm vulnerable salmon, trout and sturgeon populations. By...

    SFEI: San Francisco rain gardens filter microplastic tire particles and dozens of chemicals from stormwater

    San Francisco Estuary Institute
    Water quality
    July 10, 2026
    From the San Francisco Estuary Institute: San Francisco’s rain gardens—the unassuming patches of greenery and mulch designed to soak up...

    SFEI: SF Bay Regional Monitoring Program: 20 Years of investigating underregulated chemicals

    San Francisco Estuary Institute
    Water quality
    July 10, 2026
    From the San Francisco Estuary Institute: The San Francisco Estuary Institute (SFEI) lobby displays a high case with two dozen...

    AMENDED NOTICE of hearing to consider modification of California American Water Company cease and desist order (State Water Board orders WR 2016-0016 and WR 2009-0060)

    State Water Board
    ANNOUNCEMENTSPolicy and regulation
    July 10, 2026
    From the State Water Resources Control Board: On July 1, 2026, the State Water Resources Control Board received an objection...
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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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