Schools with nanotechnology programs for water purification and distribution

[Mickey]

I'm specifically interested in drinking water and efficient methods of distribution. It seems like modern advancements will come through nanotechnology. Does anyone know of any schools with programs focused in this area?

 

[Shoe]

The University of Arizona supposedly has the best Hydrology and Water Sciences Department in the country. How they managed that in the middle of the desert is another story altogether.

 

[Atomos]

How they managed that in the middle of the desert is another story altogether.

Necessity.