On the other hand, given the direction everything else in the world is going, maybe it would be better to build a desalination plant NOW and before the problem

On the other hand, given the direction everything else in the world is going, maybe it would be better to build a desalination plant NOW and before the problem gets critical... There's only so much fresh water you can take from a natural source before you have an impact on wildlife order(s) of magnitude greater than what we've already done.