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Dam Spillway Near SLO County Has Significant Cracks, Is ‘Unsafe For Use,’ State Says

/in , , /by /The Tribune by Monica Vaughan

Remember when the concrete spillway of the nation’s tallest dam developed a giant hole, and downstream communities were evacuated out of fear that a wall of water would charge down the river?

It turns out that the same structural problems that caused the failure at Oroville Dam in February 2017 also exist at the spillway of San Antonio Dam, just two miles north of Lake Nacimiento and above the community of Bradley.

Those problems have been known “for quite sometime,” according to the current manager of the dam operator. But the state didn’t take notice or downgrade the dam’s safety condition until after it revamped its oversight process following the massive failure in Northern California.

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Water Systems Must Notify Californians About These Cancer-Linked Chemicals Under New Law

/in , , /by /The Sacramento Beeby Sophia Bollag

Starting next year, California water systems must notify residents if their water sources contain potentially toxic levels of cancer-linked chemicals called PFAS under a law Gov. Gavin Newsom signed Wednesday.

The new law, AB 756, will also expand state regulators’ ability to test for per-and polyfluoroalkyl substances, known as PFAS. The compounds can be found in everyday plastics and products like floss and are concentrated in firefighting foam that the military and commercial aviation industry has used for decades.

That foam has seeped into groundwater and wells surrounding military installations and commercial airports, and has been found in drinking water sources at more than 712 locations in 49 states, according to the Environmental Working Group, a nonprofit organization.

 

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Opinion: Sites Reservoir Needed For Reliable Water Future

/in , , /by /San Francisco Chronicleby Andrew Meredith

A flexible, reliable water supply is essential to California’s economy and to the job creation and job security goals of California’s working families. Reliability and flexibility in our water supply has become elusive in drought-prone California, thanks in large part to a changing climate and an obsolete water storage system that was designed to utilize a steady and massive Sierra snowpack. It’s well past time to make critical investments in water infrastructure — particularly water storage — to sustain us through future droughts and help us adapt to our new normal, one which includes extended droughts, diminished snowpack, warmer winter storms and a need for a more flexible water storage portfolio.

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Foreign Hackers Impersonated Professional Licensing Board In Attack On Utilities

/in , , /by /Utility Dive (Washington, D.C.)by Robert Walton

Security firm Proofpoint on Thursday said it uncovered an “advanced phishing campaign” that specifically targeted U.S. utility companies by impersonating an engineering licensing board. The firm said emails sent between July 19 and July 25 went to three utilities, which it declined to name. Messages purporting to be from the U.S. National Council of Examiners for Engineering and Surveying contained a malicious attachment that utilized macros to install and run malware named “LookBack.” The attempts highlight the “continuing global risk from nation-state actors,” according to Proopoint. In June, the United States’ chief energy regulator warned the electric grid is “increasingly under attack by foreign adversaries.”

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Judge Orders Westlands To Stop Work On Shasta Dam Raise

/in , /by / Redding Record Searchlightby Damon Arthur

A judge has ordered a Fresno-based water district to stop working on plans to raise the height of Shasta Dam.

The Westlands Water District, which provides irrigation water to farmers on the west side of the San Joaquin Valley, was working on a report assessing the environmental impacts of raising the height of the dam.

But a judge ruled that Westlands’ work violated a state law that prohibited local and state agencies from participating in any projects that would have an adverse impact on the McCloud River.

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$50 Billion Worth Of Bay Area Homes At Risk Of Rising Seas By 2050, Says Report

/in , /by /The Mercury Newsby Karen D'souza

ens of thousands of Bay Area homes worth about $50 billion are at grave risk of chronic coastal flooding by 2050, according to a new analysis by Zillow and Climate Central.

By 2100, the crisis deepens. As the ice caps continue to melt in the wake of global warming, experts project that 81,152 Bay Area homes with a current value of more than $96 billion, may be swamped. If greenhouse gas emissions go unchecked and seas continue to rise as expected, a wide swath of Bay Area real estate will be endangered. Coveted beach houses may well turn into disasters.

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Alaska’s Sweltering Summer Is ‘Basically Off The Charts’

/in , , /by /The Washington Post by Matthew Cappucci , Juliet Eilperin , Andrew Freedman and Brady Dennis

Steve Perrins didn’t see the lightning, but he couldn’t miss the smoke that followed.

It was around dinnertime on July 23 at Alaska’s oldest hunting lodge, nestled in the wilderness more than 100 miles northwest of Anchorage. What began as a quiet evening at the Rainy Pass Lodge soon turned frantic as Alaska’s latest wildfire spread fast.

The Alaska National Guard soon evacuated 26 people and two dogs by helicopter from the lodge, which serves as a checkpoint for the Iditarod Trail Sled Dog Race.

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California 1st State To Require Notification Of Toxic ‘Forever’ Chemicals in Water

/in , , /by /Desert Sun (Palm Springs)by Janet Wilson

California on Wednesday became the first state in the nation to require water suppliers who monitor a broad class of toxic “forever chemicals” to notify customers if they’re present in drinking water. That could include sites from Los Angeles International Airport to military bases across the desert to refineries and other industry in low income neighborhoods.

Gov. Gavin Newsom signed AB 756, authored by Assemblywoman Cristina Garcia, D-Bell Gardens, late Wednesday with no fanfare.

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Scientists Cook Up New Recipes For Taking Salt Out Of Seawater

/in , , /by /PHYS.org (Los Angeles)

As populations boom and chronic droughts persist, coastal cities like Carlsbad in Southern California have increasingly turned to ocean desalination to supplement a dwindling fresh water supply. Now scientists at the Department of Energy’s Lawrence Berkeley National Laboratory (Berkeley Lab) investigating how to make desalination less expensive have hit on promising design rules for making so-called “thermally responsive” ionic liquids to separate water from salt. Ionic liquids are a liquid salt that binds to water, making them useful in forward osmosis to separate contaminants from water.

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Cal Am Seeks Three-Year Rate Increase Starting In 2021

/in , /by /Monterey Heraldby Jim Johnson

California American Water is seeking to raise its Monterey area average customers’ bills by nearly 18 percent over a three-year period from 2021-2023. In its latest general rate case filing with the California Public Utilities Commission on July 1, Cal Am is seeking to raise water rates in its Monterey main district to increase revenue by about $8.4 million to cover new capital investment, increased labor expense, higher operations and administrative costs, and increased depreciation. Under the proposal, the “average” Cal Am customer would see their monthly rates increase from about $89.40 to $105.42 over the three-year period.

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