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Bonneville, The Northwest’s Biggest Clean-Power Supplier, Faces Promise And Perils In Changing Energy Markets

/in , , /by /Seattle Timesby Hal Bernton

When workers started pulling apart the three largest hydroelectric units in North America — capable of supplying more than enough power for all of Seattle — they found the damage far worse than expected. They encountered large cracks, worn-out bearings and a defect in a critical weld that, if left in place, could fail, unleashing catastrophic flooding inside the powerhouse that risked killing workers and destroying the 7 million-pound generator-turbine units. That last discovery halted work for 10 months to give engineers time to come up with a fix that would ensure a crucial covering would hold fast. “How do we deal with the unexpected?

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OPINION: All Californians Should Have Safe, Clean Water. But How Do We Make It Happen?

/in , , /by /Sacramento Beeby Dan Schnur

“Few California urbanites grasp the intolerable, third-world conditions that nearly a million of their fellow Californians live in when it comes to accessing safe drinking water,” said Michael Mantell, president of the Resources Legacy Fund. “That residents of a state with the fifth largest economy on the planet lack that access is nothing short of scandalous.” Lea Ann Tratten, a partner at TrattenPrice Consulting, described the Californians who suffer most without access to clean water and reiterated the urgency for action. “The heaviest burden of the toxic taps crisis has fallen on our most marginalized communities, communities of color and people with low-incomes,” Tratten said.

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Lake Tahoe Is At Its Fullest In Nearly 20 Years As Snowmelt Pushes Water Level Close To Limit

/in , /by /KTLA 5

Lake Tahoe is the fullest it’s been in nearly two decades. Officials say the alpine lake on the California-Nevada line is approaching the legal limit after snowmelt from a stormy winter left enough water to potentially last through three summers of drought. For three weeks, Tahoe has been within an inch (25 millimeters) of its maximum allowed surface elevation of 6,229.1 feet (1,898 meters) above sea level. It crept to within a half-inch (13 millimeters) earlier this week. Chad Blanchard, a federal water master in Reno responsible for managing the water, told the Reno Gazette Journal it’s the longest he’s seen the lake stay that high for so long.

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When Will California Become Too Hot To Grow Wine Grapes?

/in , , /by /San Francisco Chronicleby Esther Mobley

We know that climate change is going to alter wine. In fact, we know that it already has. But we are still working toward a deeper understanding of what it will look like — and what can be done about it. The latest step toward that understanding is a study published Tuesday by the Union of Concerned Scientists, one of the most detailed forecasts to date of extreme heat across the U.S. As The Chronicle’s environmental correspondent Kurtis Alexander reported, the study warns that most of the country will see more than double the number of days with a 100 degree heat index by 2050, unless something drastic is done.

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OPINION: Coalition Of Agencies, Environmentalists Sees Future For Aging Dam

/in , /by /San Francisco Chronicle

While California contemplates new dams for its thirsty future, it’s also thinking about taking out old ones. Along with advancing plans to demolish three dams atop the Klamath River, there’s a movement to rethink and possibly take out a water and power dam in the Mendocino County back country. Pacific Gas and Electric Co. is walking away from the Potter Valley project and Scott Dam, built east of Ukiah in 1922. A new federal license will be costly and the utility has plenty to do working its way out of wildfire-caused bankruptcy. What’s coming next is intriguing: A coalition of local agencies and a dedicated fishing group, California Trout, are talking up a takeover of the dam.

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Zone 7 Has Backup Plan To Keep Water Moving In Power Outages

/in , /by /The Independent (Livermore, Calif.)by Ron McNicoll

If PG&E shuts down power as part of its plan to prevent fires in northern California, the water will keep flowing in the Valley, thanks to Zone 7 Water Agency’s preparations. PG&E sent out notices with May bills that stated it had formed a Public Safety Power Shutoff program that would halt power deliveries in rural areas that may be threatened by wildfires. Investigators found that last year’s fatal Camp Fire, in Butte County, was caused by sparks from PG&E equipment.

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OPINION: The Changing Delta’s Challenges

/in , /by /News-Review (Sacramento)by Jay Lund

The Sacramento-San Joaquin Delta is essential for the Central Valley’s economy, well-being and ecosystems. It is a major supplier of land for local agriculture, water for Central Valley farms and Bay Area and southern California cities, recreation for Californians and habitat for native species.

The Delta is ever-changing, from its origins 6,000 years ago as rising post-Ice Age sea levels drowned the confluence of local rivers to form a massive freshwater marsh. Since the 1800s this marsh was diked and drained for agriculture, leading to continuing land subsidence, as much as 25 feet below sea level in some places. Major federal and state water projects altered and reversed its water flows.

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CAISO To Require Equipment Improvements For Inverter-Based Generation

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

The California Independent System Operator (CAISO) will require equipment improvements for renewable energy resources, requiring inverter-based generators to inject reactive current during low-voltage conditions in order to maintain grid reliability.

The Federal Energy Regulatory Commission (FERC) approved the ISO’s tariff revisions in a July 2 order. The change is designed to allow increased integration of wind and solar power.

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Dozens of Environmental Groups Want To Contribute To Newsom’s Water Portfolio Plan

/in , , /by /The Independent by Ron McNicoll

A coalition of 55 environmental, fishing, and water policy groups has written Gov. Gavin Newsom, backing his Water Portfolio planning process, and announcing that they plan to take an active part with their own proposals for the plan.

Newsom announced his Water Portfolio on April 29. He ordered three state agencies — Natural Resources, EPA, and Food & Agriculture — to prepare “a water-resilience portfolio that meets the needs of California’s communities through the 21st Century.”

 

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California Department Of Water Resources Approves Nine Alternatives To Groundwater Sustainability Plans

/in , , /by /Sierra Sun Times

The California Department of Water Resources (DWR) today announced approval of nine alternatives to groundwater sustainability plans (GSPs) submitted by water agencies to meet requirements of the Sustainable Groundwater Management Act (SGMA).

SGMA requires local agencies throughout the state to sustainably manage groundwater basins. Basins ranked as medium- or high-priority are required to develop GSPs or submit an alternative.

An alternative may be an existing groundwater management plan that demonstrates a reasonable expectation of achieving sustainability within 20 years. It may also be a basin adjudication with existing governance and oversight, or a 10-year analysis of basin conditions showing sustainable operations with no undesirable results such as subsidence, saltwater intrusion, or degraded water quality.

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