Old Scout wrote;
I am far out of my league to be able to add to the intellectual ideas bouncing aroung here, but it does bring to mind an article that I had once read that the clean water scare was just that, a scare tactic (sp?) designed to get us to buy water filters.

Brumfield wrote: Something, perhaps a bit more contemporary for you to read:

http://www.lenntech.com/Waterborne-diseases/waterborne-diseases.htm Brum