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Nevada’s groundwater crisis offers lessons for the Mountain West, study finds

A panoramic image of Walker Lake in northern Nevada on a blue sky day.
U.S. Geological Survey
Walker Lake in northern Nevada has been drying up for decades, largely due to farmers diverting river water and overpumping groundwater across the basin.

A new study shows Nevada’s groundwater — and the ecosystems that rely on it — is under growing strain. Researchers have mapped out solutions that could help and serve as a guide for other Mountain West states.

The Nature Conservancy analyzed data from more than 6,000 wells across Nevada and found that nearly 4 in 10 are losing water, threatening springs, wetlands, and wildlife habitats.

Researchers point to groundwater pumping as the main culprit, whether the water is pumped for farms, cities or industry. But climate change, rapid development, and population growth are compounding the strain.

“We already do see places where spring flows are declining or where wetlands are drying up,” said Laurel Saito, the Nature Conservancy’s water strategy director in Nevada and the study’s lead author. “How to resolve that is a real challenge.”

The report outlines several strategies that could help stabilize groundwater levels and provide a roadmap for neighboring Mountain West states. Among them: better well monitoring, smarter water management, and stronger policies to limit overuse.

Saito said the clock is ticking. Once groundwater drops too low, some ecosystems may never recover.

This story was produced by the Mountain West News Bureau, a collaboration between KUNR, Wyoming Public Media, Nevada Public Radio, Boise State Public Radio in Idaho, KUNC in Northern Colorado, KANW in New Mexico, Colorado Public Radio, KJZZ in Arizona and NPR, with additional support from affiliate newsrooms across the region. Funding for the Mountain West News Bureau is provided in part by the Corporation for Public Broadcasting and Eric and Wendy Schmidt.

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Kaleb is an award-winning journalist and KUNR’s Mountain West News Bureau reporter. His reporting covers issues related to the environment, wildlife and water in Nevada and the region.