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March 6, 2024

California Water Department Completes First Phase of Innovative Groundwater Mapping Program

State-of-the-art helicopter-based technology and local coordination improve management of our underground water supply.

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February 29, 2024

U.S. Cities Could Be Capturing Billions of Gallons of Rain a Day

With better infrastructure and “spongy” green spaces, urban areas have made progress but should be soaking up way more free stormwater.

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January 24, 2024

Groundwater Levels Around the World Are Dropping Quickly, Often at Accelerating Rates

Rapid declines are most common in aquifers under croplands in drier regions, including California, the most extensive analysis of groundwater trends so far shows.

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January 16, 2024

Preparing for Wet Years in the Face of Climate Change

A commentary discusses the need to accelerate California's planning for the wet years that are bound to happen.

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January 9, 2024

Looking Back at 2023’s Volatile California Water Year

The driest three-year period on record gave way to a series of atmospheric rivers early in the year that pummeled the state.

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January 2, 2024

First Snow Survey of Season Finds Below-Average Conditions for California

With above-average reservoir levels, El Niño, and a dry start to the water year, California is preparing for flood or dry conditions in the months ahead.

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December 11, 2023

Addressing Groundwater Overdraft in the Sacramento Valley

Though the Sacramento Valley has relatively abundant surface-water supplies, groundwater is also key for many of its communities and farms.

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November 15, 2023

Lake Powell Rebounds but Drought Remains

A wet winter in western states provided a short-term reprieve to the decades-long drought in the reservoir.

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November 7, 2023

Measuring Groundwater Overdraft in the Sacramento Valley

Much recent attention towards groundwater sustainability has focused on the heavily overdrafted San Joaquin Valley. However, the Sacramento Valley also needs to bring its groundwater basins into balance and avoid significant undesirable results of pumping.

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October 26, 2023

Can Proposed Desalination Plant Solve Arizona’s Water Problems?

A recent 23-year-and-counting megadrought on the overallocated Colorado River has led to significant cutbacks for Arizona and junior water rights holders. Could a desalination plant help?