A new financial analysis of California’s ambitious but controversial Delta Conveyance Project indicates it would create billions of dollars in benefits even though the price tag has increased ...

California releases Delta Tunnel benefits-cost analysis The Department of Water Resources estimates the cost to build the Delta Tunnel to be $20 billion.

"The information released today on the cost estimate and benefit-cost analysis of the proposed Delta Conveyance Project is critical for water agencies across the state, including Metropolitan, to ...

Walters: Decadeslong Delta tunnel water project may finally be nearing a historic decision After nearly 50 years of debate, state water agency insists the project’s new $20 billion price tag ...

Gov. Gavin Newsom’s administration is advancing a plan to build a Sacramento-San Joaquin Delta water tunnel. Environmentalists are strongly opposed, warning of ecological damage.

The tunnel project, which would cost billions and take decades, aims to help shore up water supplies in much of California. The new environmental impact report outlines the impacts.