With operating rules unsettled, designers and owners are committing to dam, pipeline and pumping projects shaped by physical limits, not governance.
February 10, 2026
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Bryan Gottlieb - Engineering News-Record
Arizona’s Lake Powell is in trouble. U.S. Bureau of Reclamation modeling shows the reservoir dropped roughly 36 ft between December 2024 and December 2025, a decline that is no longer a warning but an operating condition engineers are designing around.
Mr. Gottlieb may be contacted at gottliebb@enr.com