California Governor Gavin Newsom's administration announces a $20.1 billion cost estimate for the Delta Conveyance Project tunnel to improve water supply reliability amid climate change, sea level rise, and earthquake risks.

California Governor Gavin Newsom's administration has announced a $20.1 billion cost estimate for a tunnel project to transport water beneath the Sacramento-San Joaquin River Delta. The new cost estimate is part of a new cost-benefit analysis by the California Department of Water Resources, which states that the tunnel's benefits will outweigh its costs. The proposed Delta Conveyance Project aims to improve water supply reliability amid climate change, sea level rise, and earthquake risks, with benefits expected to total $38 billion by offsetting water delivery reductions.

May 16, 2024
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