The estimated cost for California’s controversial Delta Conveyance tunnel just went up by more than $4 billion. The state Department of Water Resources on Thursday released an analysis that estimates ...

For decades, California officials have debated and discussed various projects to redirect more water from the Sacramento-San Joaquin River Delta toward communities and farms in the southern portion of ...

Add Yahoo as a preferred source to see more of our stories on Google. Aerial photos of the region to be affected by the Delta water tunnels and intakes. Aerial photos of the region to be affected by ...

The Metropolitan Water District’s board is set to vote on spending $141 million to contribute to California’s planning costs for the proposed Delta tunnel project. The district has yet to make a final ...