Maven's Notebook
@mavensnotebook.com
Your website for up-to-the-minute California water news and information.
Colorado River basin states are racing a federal deadline to hash out the beginnings of an agreement governing the overtapped river. As the clock ticks down, two questions loom large: Just how real is this deadline, and what does it mean for California? #cawater mavensnotebook.com/2025/11/11/c...
CAL MATTERS: Colorado River talks hit crunch time. What’s at stake for California water?
Western states in the Colorado River basin are racing a federal deadline to hash out the beginnings of an agreement governing the overtapped river. As the clock ticks down, two questions loom large: J...
mavensnotebook.com
November 11, 2025 at 5:40 PM
Colorado River basin states are racing a federal deadline to hash out the beginnings of an agreement governing the overtapped river. As the clock ticks down, two questions loom large: Just how real is this deadline, and what does it mean for California? #cawater mavensnotebook.com/2025/11/11/c...
Today is the federal deadline for states to submit a water management plan for the Colorado River, and negotiations remain deadlocked. Without agreement, it is unclear how the river will be managed after the fall of 2026. #cawater mavensnotebook.com/2025/11/11/h...
HIGH COUNTRY NEWS: Why Colorado River negotiations are so difficult
Basin states have had 2 years to figure out how to share the shrinking river. Will they get there before the feds step in? by Caitlin Ochs, High Country News On the day of a Nov. 11 federal deadline ...
mavensnotebook.com
November 11, 2025 at 5:39 PM
Today is the federal deadline for states to submit a water management plan for the Colorado River, and negotiations remain deadlocked. Without agreement, it is unclear how the river will be managed after the fall of 2026. #cawater mavensnotebook.com/2025/11/11/h...
A potent, fast-moving storm is set to drench the California coast this week, bringing a quick burst of heavy rain and at least some potential for flash flooding and mudslides. #cawater www.nytimes.com/2025/11/10/w...
Heavy Dose of Wet Weather Expected to Soak California
www.nytimes.com
November 11, 2025 at 5:38 PM
A potent, fast-moving storm is set to drench the California coast this week, bringing a quick burst of heavy rain and at least some potential for flash flooding and mudslides. #cawater www.nytimes.com/2025/11/10/w...
General manager Deven Upadhyay has guided Metropolitan Water District through major droughts and much more. He talks with @ppicwater.bsky.social about his experiences guiding an urban #cawater agency through the volatile 21st century. www.ppic.org/blog/a-fires...
A Fireside Chat with Metropolitan Water District’s Deven Upadhyay
General manager Deven Upadhyay has guided the Metropolitan Water District through major droughts and much more. As he prepares to retire, we sat down with him to talk about guiding an urban water agen...
www.ppic.org
November 11, 2025 at 5:37 PM
General manager Deven Upadhyay has guided Metropolitan Water District through major droughts and much more. He talks with @ppicwater.bsky.social about his experiences guiding an urban #cawater agency through the volatile 21st century. www.ppic.org/blog/a-fires...
Trump officials are planning to propose oil drilling off the California coast for the first time in decades. The administration’s plan proposes six offshore lease sales between 2027 and 2030 in areas along the California coast. #cawater www.washingtonpost.com/climate-envi...
Trump plan would open California to offshore oil drilling
A draft five-year plan for offshore oil development proposes selling leases on the West Coast, Gulf of Mexico and Alaska.
www.washingtonpost.com
November 11, 2025 at 5:35 PM
Trump officials are planning to propose oil drilling off the California coast for the first time in decades. The administration’s plan proposes six offshore lease sales between 2027 and 2030 in areas along the California coast. #cawater www.washingtonpost.com/climate-envi...
Salmon are once again making their way up the Klamath River following a massive dam removal project. But some are now worried about keeping the fish off agricultural land. #cawater www.ijpr.org/environment-...
Salmon are back in the Klamath River. Now farmers want to keep them off their land
Salmon are once again making their way up the Klamath River following a massive dam removal project. But some are now worried about keeping the fish off agricultural land.
www.ijpr.org
November 11, 2025 at 5:33 PM
Salmon are once again making their way up the Klamath River following a massive dam removal project. But some are now worried about keeping the fish off agricultural land. #cawater www.ijpr.org/environment-...
A major step forward for fish and river health was recently achieved in South Santa Clara County with the removal of Pickell’s Dam. Valley Water and Trout Unlimited partnered to bring it down, opening the way for a healthier river ecosystem. #cawater valleywaternews.org/2025/11/10/v...
Removing Pickell's Dam: A Win for Steelhead and Ecosystems
Discover how the removal of Pickell's Dam in South Santa Clara County restores steelhead migration and enhances river health.
valleywaternews.org
November 11, 2025 at 5:32 PM
A major step forward for fish and river health was recently achieved in South Santa Clara County with the removal of Pickell’s Dam. Valley Water and Trout Unlimited partnered to bring it down, opening the way for a healthier river ecosystem. #cawater valleywaternews.org/2025/11/10/v...
SoCal’s 2025 toxic algae bloom was unprecedented — in scale, length and deadliness. The bloom, as of October, had long passed — giving emergency marine responders a chance to regroup and prepare for the next one that may be on the horizon. #cawater www.dailynews.com/2025/11/11/t...
The deadliest toxic algae bloom on record is behind us; what’s next?
Southern California’s 2025 toxic algae bloom was unprecedented — in scale, length and deadliness. Here’s why.
www.dailynews.com
November 11, 2025 at 5:30 PM
SoCal’s 2025 toxic algae bloom was unprecedented — in scale, length and deadliness. The bloom, as of October, had long passed — giving emergency marine responders a chance to regroup and prepare for the next one that may be on the horizon. #cawater www.dailynews.com/2025/11/11/t...
Long Beach: The 51st Street Greenbelt Project will turn a stretch of land on De Forest Avenue between 51st and 52nd Streets into a park featuring pedestrian and cycling paths, fitness equipment, play structures, native plants and green infrastructure. #cawater lbpost.com/news/long-be...
Long Beach breaks ground on new $6 million greenbelt along LA River
The project will bring about an acre of parkland to North Long Beach, where city officials acknowledge green space is lacking.
lbpost.com
November 11, 2025 at 5:28 PM
Long Beach: The 51st Street Greenbelt Project will turn a stretch of land on De Forest Avenue between 51st and 52nd Streets into a park featuring pedestrian and cycling paths, fitness equipment, play structures, native plants and green infrastructure. #cawater lbpost.com/news/long-be...
Every month, a group meets to debate what should be done with our toilet water. Right, now they’re arguing about the fact that there might not be enough for everybody to reuse. #cawater mavensnotebook.com/2025/11/11/v...
VOICE OF SAN DIEGO: Is there enough sewage to go ‘round in San Diego?
East County is building its own water recycling project and wants San Diego to treat it like its own. By MacKenzie Elmer, Voice of San Diego Every month, a group meets to debate what should be done wi...
mavensnotebook.com
November 11, 2025 at 5:26 PM
Every month, a group meets to debate what should be done with our toilet water. Right, now they’re arguing about the fact that there might not be enough for everybody to reuse. #cawater mavensnotebook.com/2025/11/11/v...
A new National Academies report reviews the CVP and SWP, which deliver water to two-thirds of CA's population. The report evaluates key actions, including Shasta Coldwater Pool Management. #cawater Register for the 12 PM review and read the report: mavensnotebook.com/2025/11/10/n...
NEW REPORT: Review of the Long-Term Operations of the Central Valley Project and the State Water Project
From the National Academies Billions of gallons of water per day are channeled from northern California to drier Central and Southern California through the network of dams, canals, and other feature...
mavensnotebook.com
November 10, 2025 at 5:51 PM
A new National Academies report reviews the CVP and SWP, which deliver water to two-thirds of CA's population. The report evaluates key actions, including Shasta Coldwater Pool Management. #cawater Register for the 12 PM review and read the report: mavensnotebook.com/2025/11/10/n...
The CA Chamber of Commerce has filed paperwork to place a measure on next November’s statewide ballot that would overhaul CEQA with the goal of cutting red tape, lowering housing and energy costs, and making construction easier. #cawater www.mercurynews.com/2025/11/09/n...
New ballot measure push aims to overhaul California’s landmark environmental law
Chamber of Commerce seeks to cut red tape, environmental groups vow to fight.
www.mercurynews.com
November 10, 2025 at 5:45 PM
The CA Chamber of Commerce has filed paperwork to place a measure on next November’s statewide ballot that would overhaul CEQA with the goal of cutting red tape, lowering housing and energy costs, and making construction easier. #cawater www.mercurynews.com/2025/11/09/n...
For years, PG&E has used a portion of the upper Miocene Canal for the purpose of taking measurements, but with a recent action by the Butte County Board of Supervisors, at the company’s request, that water will remain in the Feather River going forward. #cawater www.chicoer.com/2025/11/09/s...
Slight changes coming to PG&E’s Miocene Canal usage
For years, Pacific Gas and Electric has used a portion of the upper Miocene Canal for the purpose of taking measurements, but with a recent action by the Butte County Board of Supervisors, at the c…
www.chicoer.com
November 10, 2025 at 5:42 PM
For years, PG&E has used a portion of the upper Miocene Canal for the purpose of taking measurements, but with a recent action by the Butte County Board of Supervisors, at the company’s request, that water will remain in the Feather River going forward. #cawater www.chicoer.com/2025/11/09/s...
An Army Corps project to cut trees on the American River Parkway to fortify banks against flooding could be stalled as a judge heard arguments Friday from environmental groups seeking a preliminary injunction. #cawater www.sacbee.com/news/local/a...
Federal judge could pause razing of trees on American River Parkway in Sacramento
The judge heard arguments Friday in federal court in Sacramento.
www.sacbee.com
November 10, 2025 at 5:41 PM
An Army Corps project to cut trees on the American River Parkway to fortify banks against flooding could be stalled as a judge heard arguments Friday from environmental groups seeking a preliminary injunction. #cawater www.sacbee.com/news/local/a...
Given the public interest, and the continued restoration of the salmon habitat, the Marin Municipal Water District has introduced a new “spawner dashboard” that allows users to dive into the fishery’s data back to 1999. #cawater www.marinij.com/2025/11/09/m...
MMWD launches salmon tracking dashboard
The online resource shows nesting grounds in Lagunitas Creek for coho, chinook, pink and chum salmon as well as steelhead trout.
www.marinij.com
November 10, 2025 at 5:40 PM
Given the public interest, and the continued restoration of the salmon habitat, the Marin Municipal Water District has introduced a new “spawner dashboard” that allows users to dive into the fishery’s data back to 1999. #cawater www.marinij.com/2025/11/09/m...
Stockton’s downtown waterfront faces an annual takeover by invasive water hyacinth, a fast-growing plant that can blanket thousands of square feet of water in a single season. #cawater stocktonia.org/news/water/2...
Stockton waterfront faces annual invasion of fast-growing hyacinth - Stocktonia News
Stockton’s downtown waterfront faces an annual takeover by invasive water hyacinth, a fast-growing plant that can blanket thousands of square feet of water in a single season
stocktonia.org
November 10, 2025 at 5:39 PM
Stockton’s downtown waterfront faces an annual takeover by invasive water hyacinth, a fast-growing plant that can blanket thousands of square feet of water in a single season. #cawater stocktonia.org/news/water/2...
As the end of drilling nears at the century-old Inglewood Oil Field, officials and communities debate whether its 1,000 acres should become a regional park or housing. #cawater www.latimes.com/california/s...
As a century-old oil field winds down, what's next for Baldwin Hills? A sprawling park or housing?
After a century of oil extraction in the Baldwin Hills, pressure is mounting to free the 1,000-acre oil field for a better use. But long-held plans for a park may now face competition from the need fo...
www.latimes.com
November 10, 2025 at 5:37 PM
As the end of drilling nears at the century-old Inglewood Oil Field, officials and communities debate whether its 1,000 acres should become a regional park or housing. #cawater www.latimes.com/california/s...
The Colorado River Board of California (CRB) announced that California’s 2025 use of Colorado River water is projected to hit the lowest level since 1949, marking a historic milestone for the state and the Basin. #cawater #coloradoriver mavensnotebook.com/2025/11/07/p...
PRESS RELEASE: California projected to achieve lowest Colorado River use since 1949
The milestone proves that reductions in use do not preclude growth. From the Colorado River Board of California: The Colorado River Board of California (CRB) announced today that California’s 2025 use...
mavensnotebook.com
November 7, 2025 at 6:01 PM
The Colorado River Board of California (CRB) announced that California’s 2025 use of Colorado River water is projected to hit the lowest level since 1949, marking a historic milestone for the state and the Basin. #cawater #coloradoriver mavensnotebook.com/2025/11/07/p...
On Nov. 11, the seven Colorado River basin states need to reach a consensus on how to split up the dwindling river. If they do, the agreement goes into place in 2026. If the states don't agree, the feds could step in. #cawater www.kjzz.org/politics/202...
Trump's Colorado River deadline is almost here. Are states ready for cuts?
Because of drought, mandatory water cuts are nothing new in Utah. But the potential of large-scale reductions across the Colorado River Basin would present a steep challenge.
www.kjzz.org
November 7, 2025 at 6:00 PM
On Nov. 11, the seven Colorado River basin states need to reach a consensus on how to split up the dwindling river. If they do, the agreement goes into place in 2026. If the states don't agree, the feds could step in. #cawater www.kjzz.org/politics/202...
The rise of generative AI is increasing the water demands of California's data centers, primarily for cooling servers. As innovation accelerates, how can the state effectively balance technological growth with sustainable water resource management? #cawater www.capradio.org/articles/202...
With the rise of AI, California’s data centers require more water, energy. But by how much?
This year, California lawmakers considered bills to assess the impact generative AI will have on the state’s natural resources, as experts say it’s driving up energy and water demands at data centers.
www.capradio.org
November 7, 2025 at 5:56 PM
The rise of generative AI is increasing the water demands of California's data centers, primarily for cooling servers. As innovation accelerates, how can the state effectively balance technological growth with sustainable water resource management? #cawater www.capradio.org/articles/202...
Thanks to three consecutive wet years, Marin’s reservoirs are above average levels headed into a brewing La Niña winter, officials said. #cawater www.marinij.com/2025/11/06/m...
Marin reservoirs plentiful ahead of La Niña winter
Water storage levels remain above average following three consecutive wet winters.
www.marinij.com
November 7, 2025 at 5:54 PM
Thanks to three consecutive wet years, Marin’s reservoirs are above average levels headed into a brewing La Niña winter, officials said. #cawater www.marinij.com/2025/11/06/m...
The SF regional water board is requiring Livermore to look deeper into PFAS at the local airport after a report prepared on behalf of the city suggested that the airport contributed little PFAS to the area’s groundwater contamination. #cawater www.independentnews.com/news/regiona...
Water Board Orders a Closer Look at Possible Airport PFAS Contamination
TRI-VALLEY — The San Francisco Bay Regional Water Quality Control Board last week required the City of Livermore to look deeper into possible releases of PFAS, or forever chemicals, at
www.independentnews.com
November 7, 2025 at 5:53 PM
The SF regional water board is requiring Livermore to look deeper into PFAS at the local airport after a report prepared on behalf of the city suggested that the airport contributed little PFAS to the area’s groundwater contamination. #cawater www.independentnews.com/news/regiona...
It could cost $27M, or more, to reopen the Kernville hatchery as a Kern River rainbow trout breeding facility, on top of the $7M CDFW is already spending to rebuild siphon to bring Kern River water into the hatchery #cawater mavensnotebook.com/2025/11/07/s...
SJV WATER: Revamping Kernville hatchery could cost $27 million – or more – on top of $7 million already being spent on siphon
By Lois Henry, SJV Water It could cost $27 million, or more, to revamp and reopen the Kernville hatchery as a Kern River rainbow trout breeding facility, according to a report commissioned by the Cali...
mavensnotebook.com
November 7, 2025 at 5:51 PM
It could cost $27M, or more, to reopen the Kernville hatchery as a Kern River rainbow trout breeding facility, on top of the $7M CDFW is already spending to rebuild siphon to bring Kern River water into the hatchery #cawater mavensnotebook.com/2025/11/07/s...
The MWD and Yorba Linda Water District dedicated a new helicopter hydrant to provide firefighters a new, strategically located water source for aerial fire suppression. #cawater www.mwdh2o.com/press-releas...
November 7, 2025 at 5:49 PM
The MWD and Yorba Linda Water District dedicated a new helicopter hydrant to provide firefighters a new, strategically located water source for aerial fire suppression. #cawater www.mwdh2o.com/press-releas...
Paradise Point agreement calls for removing multiple impediments to public access around the island resort and shoreline, extensive new signage and other improvements designed to entice folks to enjoy the beach areas. #cawater www.sandiegouniontribune.com/2025/11/06/m...
Major upgrade of Paradise Point resort clears critical hurdle following years of delay
Coastal Commission approves renovation of Mission Bay resort despite objections from Mayor Gloria.
www.sandiegouniontribune.com
November 7, 2025 at 5:46 PM
Paradise Point agreement calls for removing multiple impediments to public access around the island resort and shoreline, extensive new signage and other improvements designed to entice folks to enjoy the beach areas. #cawater www.sandiegouniontribune.com/2025/11/06/m...