Newsom says California needs to build a water tunnel. Opponents argue costs are too high

Gov. Gavin Newsom is pushing to build a 45-mile water tunnel in California’s Delta. A new state report says the proposal is the “single most effective” action to adapt the state’s water system to climate change.

Opponents are touting a new analysis that says costs would be much higher than state estimates. They call the project a boondoggle that would saddle ratepayers with pricey water bills.

As Gov. Gavin Newsom pushes for building a giant water tunnel beneath the Sacramento-San Joaquin River Delta, his administration is saying it‘s the “single most effective” way for California to provide enough water as the warming climate brings deeper droughts and more intense storms .

Environmental advocates and political leaders in the Delta, among other opponents, condemned a new state anal