Pulled up from the comments on yesterday’s Cadiz post, the Aquafornia Maven shares a marvelous metaphor regarding the costs of coastal desal:
I was on a tour through the Lower Colorado River last week, and we stopped at the Gene Pumping Plant and were being briefed on SoCal water issues. Some one asked Bill Hasencamp (MWD’s Colorado River guy) about desal.
Hasencamp said that besides the problems with getting desal plants permitted along the coast which is proving very difficult and several (at least) would be needed, Met’s system delivers by gravity to the service area, with the pipes getting progressively smaller as they deliver water to the inland areas and approach the coast. To input a large amount of desalinated water from the coastal areas would be akin to getting an entire blood transfusion through your little toe.