BLOG: The Incredible Shrinking Delta Conveyance: A Timeline

Delta “isolated conveyance” proposals — be it a canal, tunnels, whatever — have generally gotten less ambitious over the years, at least in terms of capacity. But they don’t seem to be any less controversial, if the reaction to the state’s latest announcement is any indication. Just for perspective: 1970s/80s Peripheral Canal: 22,000 cubic feet per second (cfs).