Posts

June 30, 2025

Under the terms of a settlement agreement, there could soon be new federal protections for the Chinook, the largest of...

NOTEBOOK FEATURE: Keeping microplastics out of the San Francisco Bay: A conversation with environmental toxicologist Ezra Miller

Robin Meadows

Water quality

June 30, 2025

by Robin Meadows In 2019, the San Francisco Estuary Institute (SFEI) published a three-year study of microplastics in the San...

SFEWS: Traditional knowledge and current science inform conservation and preservation practices in the Delta

Guest Contributor

Delta science

June 30, 2025

This edition of SFEWS (Volume 23, Issue 2) includes research on integrating traditional knowledge with science in the Delta, a...

NASA: By air and by sea: Validating NASA’s PACE ocean color instrument

NASA/JPL

Ecosystems

June 30, 2025

By Milan Loiacono, NASA In autumn 2024, California’s Monterey Bay experienced an outsized phytoplankton bloom that attracted fish, dolphins, whales, seabirds,...

DAILY DIGEST, weekend edition: Kaweah second groundwater basin to escape state enforcement; Delta Adaptation Plan underscores urgency of climate-resilient water infrastructure; Spring-run salmon improves due to revitalized migration patterns; Critical reservoirs Lakes Mead, Powell hit ‘alarmingly low levels’ again; and more …

Maven

Daily Digest

June 29, 2025

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

SJV WATER: Kaweah is second San Joaquin Valley groundwater basin to escape state enforcement

SJV Water

Groundwater News

June 28, 2025

By Lisa McEwen, SJV Water The Kaweah subbasin is the second San Joaquin Valley region to successfully escape state intervention,...

SoCAL WATER COALITION: Delta Stewardship Council Adaptation Plan underscores urgency of climate-resilient water infrastructure

SoCal Water Coalition

Delta Conveyance Project Policy and regulation

June 28, 2025

From the Southern California Water Coalition: The Delta Stewardship Council’s new recently adopted Adaptation Plan, Delta Adapts: Creating a Climate...

SJV WATER: Historic Black Tulare County town may, finally, be on the road to water security, growth

SJV Water

Groundwater News

June 28, 2025

By Lisa McEwen, SJV Water Residents of Allensworth are on the cusp of finally solving water issues that have plagued...

CSU: Researchers examine six major water conservation strategies for agriculture

Colorado State University

Agriculture

June 28, 2025

By Christopher Outcalt, Colorado State University Water is at the heart of agriculture. Every stage of the food-growing process depends...

NOTICE OF INITIATION: Revised PFOA, PFOS, & PFHxS Notification and/or Response Levels and New Notification and Response Levels for PFHxA

State Water Board

ANNOUNCEMENTS

June 28, 2025

From the State Water Board: The State Water Board’s Division of Drinking Water (Division) has initiated the process for developing...

NOTICE: Addendum 4 to Order WR 2024-0006-DWR: Reinstatement of Conditional Curtailments for Junior Water Rights in Shasta River Watershed 

State Water Board

ANNOUNCEMENTS

June 28, 2025

To: Shasta River Watershed Water Right Holders The flow at the Yreka United States Geological Survey (USGS) gage was 53.1...

WEEKLY WATER NEWS DIGEST for June 23-27: CA achieved significant groundwater recharge last year; LA: the future of water conservation …?; Glimmer of hope in Colorado River negotiations; and more …

Maven

Weekly Digest

June 27, 2025

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

DAILY DIGEST, 6/27: For the future of water conservation, look to … LA?; Regional climate plan sets course for a resilient Delta; Pollution from wildfires can contaminate our water for up to 8 years, study finds; Colorado River states see possible breakthrough as deadline looms; and more …

Maven

Daily Digest

June 27, 2025

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

ASPEN JOURNALISM: Colorado River managers present plan to share water based on supply, not demand

Aspen Journalism

Colorado River

June 27, 2025

By Heather Sackett, Aspen Journalism The seven states that share the Colorado River are floating a new concept for how...

ANALYSIS: LA Waterkeeper Samples from LA River Show Shocking Levels of PFAS Contamination

Los Angeles Waterkeeper

Water quality

June 27, 2025

New Data Collected by Waterkeeper Alliance Found 98% of Surface Waters Tested Across the Country Were Contaminated by Dangerous PFAS...

COURTHOUSE NEWS: Feds must decide on protections for Chinook salmon

NOTEBOOK FEATURE: Keeping microplastics out of the San Francisco Bay: A conversation with environmental toxicologist Ezra Miller

SFEWS: Traditional knowledge and current science inform conservation and preservation practices in the Delta

NASA: By air and by sea: Validating NASA’s PACE ocean color instrument

SJV WATER: Kaweah is second San Joaquin Valley groundwater basin to escape state enforcement

SoCAL WATER COALITION: Delta Stewardship Council Adaptation Plan underscores urgency of climate-resilient water infrastructure

SJV WATER: Historic Black Tulare County town may, finally, be on the road to water security, growth

CSU: Researchers examine six major water conservation strategies for agriculture

NOTICE OF INITIATION: Revised PFOA, PFOS, & PFHxS Notification and/or Response Levels and New Notification and Response Levels for PFHxA

NOTICE: Addendum 4 to Order WR 2024-0006-DWR: Reinstatement of Conditional Curtailments for Junior Water Rights in Shasta River Watershed

WEEKLY WATER NEWS DIGEST for June 23-27: CA achieved significant groundwater recharge last year; LA: the future of water conservation …?; Glimmer of hope in Colorado River negotiations; and more …

DAILY DIGEST, 6/27: For the future of water conservation, look to … LA?; Regional climate plan sets course for a resilient Delta; Pollution from wildfires can contaminate our water for up to 8 years, study finds; Colorado River states see possible breakthrough as deadline looms; and more …

ASPEN JOURNALISM: Colorado River managers present plan to share water based on supply, not demand

ANALYSIS: LA Waterkeeper Samples from LA River Show Shocking Levels of PFAS Contamination

DAILY DIGEST, 10/21: Appeals court paves way for divisive California water tunnel; State pulls Bay Delta Plan; local agencies push for Healthy Rivers alternative; New reports show progress in groundwater management; Boswell demands correction: Only plans to sink Corcoran six feet; and more …