Desalinated water is cheap enough to drink if you're anywhere above abject poverty, really: much less than $1 per cubic meter in Israel and Singapore, for examp

Desalinated water is cheap enough to drink if you're anywhere above abject poverty, really: much less than $1 per cubic meter in Israel and Singapore, for example. Literally fractions of a cent for a litre. It's everything else we use potable water for that makes desalination expensive.