urban water sources

Hi, Has anyone evaluated using (or actually used) an atmospheric water generator (water-from-air) machine for a potable water supply in an urban survival scenario when the city water is not available? I'm thinking of possibly getting an atmospheric water generator and running it from a solar...

This is much like the list of power sources. If you have a source of water you would like to add to this, please do. I ask respondents to please post existing sources of water and not sources of water that will have to be installed. The idea for this list is to provide a list of sources of water...