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Environmental Groups say Newsom’s Water Plan Will Worsen Toxic Threat in the Delta

/in , , /by /Sacramento News & Reviewby Scott Thomas Anderson

At the end of July, Gov. Gavin Newsom released his revised plan for bringing long-term water security to all Californians. But his announcement was overshadowed by San Joaquin County and several Delta communities scrambling to confront the worst cases of toxic algae blooms ever seen on local sloughs and rivers.

These green, floating slicks brought a new level of criticism to Newsom’s agribusiness-friendly water proposal. That’s because the governor’s strategy relies in large part on the controversial Sites Reservoir proposal and the even more contentious Delta tunnel proposal. Conservation groups say both projects—particularly the tunnel—could worsen the problem of dangerous algae contamination in regional waterways.

Meanwhile, the state continues to spend large sums of money on both multibillion-dollar projects with little clarity on who will ultimately foot the bill as the COVID-19 pandemic drains evermore revenue from public agencies.

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In Colorado’s Climate-Change Hot Spot, the West’s Water is Evaporating

/in , , /by /The Seattle Timesby Juliet Eilperin (The Washington Post

On New Year’s Day in 2018, Paul Kehmeier and his father drove up Grand Mesa until they got to the county line, 10,000 feet above sea level. Instead of the three to five feet of snow that should have been on the ground, there wasn’t enough of a dusting to even cover the grass.

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Opinion: Dam Removal Plan for the Klamath River Hinges on Billionaire Warren Buffett

/in , , /by /San Francisco Chronicleby Chronicle Editorial Board

Through three governors, California has set a path to tear down four aging dams on the Klamath River astride the Oregon border. It would be the biggest such removal project in the nation, done in the name of fish preservation, clean water flows and political consensus.

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Another Washington Dam Removal — and 37 More Miles of Salmon Habitat Restored

/in , , /by /The Seattle Timesby Lynda V. Mapes

PILCHUCK RIVER, near Granite Falls, Snohomish County — Washington’s dam-busting summer is still rolling, with two more dams coming down on the Pilchuck River, opening 37 miles of habitat to salmon for the first time in more than a century.

The $2 million dam removal project is a collaboration between the City of Snohomish and Tulalip Tribes, and will benefit multiple species of salmon, including threatened chinook salmon, crucial food for endangered southern resident killer whales.

It’s the state’s second dam teardown project in two months. In July, the city of Bellingham blew up its Nooksack Diversion Dam on the Middle Fork of the Nooksack River, opening 16 miles of habitat for salmon, including chinook.

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Agency Throws Curveball in Largest U.S. Dam Demolition Plan

/in , , /by /Associated Press by Gillian Flaccus

Federal regulators on Thursday threw a significant curveball at a coalition that has been planning for years to demolish four massive hydroelectric dams on a river along the Oregon-California border to save salmon populations that have dwindled to almost nothing.

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New Models Detail How Major Rivers Will Respond to Changing Environmental Conditions

/in , /by /Phys Orgby UC Santa Barbara

From the Nile to the Mississippi and from the Amazon to the Yangzi, human civilization is inextricably linked to the great rivers along which our societies developed. But rivers are mutable, and the benefits they bestow can quickly become disasters when these waterways change course.

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To Dam or Not to Dam

/in , /by /Hakai Magazineby Larry Pynn

For the past two decades, dams have been falling across the United States in a bid to reverse a legacy of destruction of fish and their habitat. American Rivers, a nonprofit advocacy organization, estimates that 1,200 dams were dismantled nationwide from 1999 to 2019, including major dams on the Elwha and White Salmon Rivers in Washington State.

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US Rivers and Lakes are Shrinking for a Surprising Reason: Cows

/in , , /by /The Guardianby Troy Farah

As a fifth-generation rancher in Colorado, Paul Bruchez knows the value of water. Not only does he raise cattle irrigated by the Colorado River and its nearby tributaries, Bruchez runs a fly-fishing business on those same streams.

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Arizona Starts Talks on Addressing Dwindling Colorado River

/in , , /by /AP Newsby Felicia Fonseca

Arizona is getting a jump start on what will be a yearslong process to address a dwindling but key water source in the U.S. West.

Several states and Mexico rely on the Colorado River for drinking water and growing crops. But climate change, drought and demand have taken a toll on the river that no longer can deliver what was promised in the 1920s.

Arizona, New Mexico, Colorado, California, Utah, Wyoming and Nevada have been operating under a set of guidelines approved in 2007. Those guidelines and an overlapping drought contingency plan will expire in 2026.

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Mexico Poised to Breach 75-Year Water Treaty with US

/in , , /by /bnamericas

Mexico is at risk of breaching a 75-year old water treaty with the US if it does not come up with a new strategy to deliver 457,800 acre-feet (565 million cubic meters – Mm3) of water to its northern neighbor by October 24.

That amount represents 350,000 acre-feet of water that the Latin American country is expected to deliver annually under the US-Mexico water treaty of 1944, in addition to making up for the delayed delivery of around 108,000 acre-feet that it has postponed during the 2015-20 cycle.

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