US$.90 per 264 gallons
seesh that’s 250 times cheaper than bottled water:
http://www.ext.vt.edu/pubs/housing/356-486/356-486.html
According to the National Sanitation Foundation, in 1998, the average retail price of one gallon of domestic drinking water ranges from $.80 to $1.20
Desalinization would push technology and eliminate the need to ship water thousands of miles to coastal cities. This makes a lot more sense than plastering the environment with nineteenth-century dams and pipelines.