After decades of failure, California dusts off controversial Delta tunnel water project
Aerial photos of the region to be affected by the Delta water tunnel and intake near Walnut Grove, California, in 2013.. - Randall Benton/Fresno Bee/TNS

SACRAMENTO, Calif. — Here we go again. California Gov. Gavin Newsom’s administration revived the Delta tunnel project Wednesday, unveiling a downsized version of the controversial, multibillion-dollar plan to re-engineer the fragile estuary on Sacramento’s doorstep that serves as the hub of the state's overstressed water-delivery network. After three years with little to no public activity, the state released an environmental blueprint for what’s now called the Delta Conveyance — a 45-mile tunnel that would divert water from the Sacramento River and route it under the Sacramento-San Joaquin De...