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SNWA hydrology supervisor reports stable groundwater levels, flags Colorado River uncertainties
Summary
James Prier of the Southern Nevada Water Authority told the North Las Vegas Utilities Advisory Board that long-term groundwater in the Las Vegas Valley is generally stable because of monitoring and artificial recharge, but Lake Mead projections and interstate negotiations create near-term uncertainty for Colorado River allocations.
James Prier, hydrology supervisor with the Southern Nevada Water Authority, told the North Las Vegas Utilities Advisory Board on Oct. 28 that long-term groundwater levels in the Las Vegas Valley have stabilized after decades of decline because of monitoring, reduced pumping and artificial recharge programs.
"We monitor about 200 wells across the valley," Prier said, explaining that the recharge program started in 1989 and that water banking has built reserves for future emergencies. He described how earlier reliance on artesian wells and unregulated pumping produced steep declines until Lake…
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