Dicey levee stability — a longtime core argument to build a Delta tunnel to help assure water deliveries to 27 million Californians in the aftermath of a catastrophic seismic event — is being targeted in new legislation.
And it does things that the Delta Tunnel project doesn’t do.
It addresses subsidence issues that have substantially reduced the capacity of the California Aqueduct by as much as 46 percent in spots such as near Mendota…