we have plenty of water.

our problem is what we use for energy.

or the price of that energy would be better because it is
the price of energy that causes us to think we dont have much water.

because if energy were cheaper or ((( FREE ))) then we could
desalinate sea water with the cheap or ((( FREE ))) energy.

3/4 inch of dust build up on the moon in 4.527 billion years,LOL and QM is fantasy science.