To filter or not to filter

[FlyPaper]

I understand there is a sizable group in the ultralight community that does not filter or treat their water before drinking it.
If you happen to not filter your water is it across the board that you never filter or is it dependent on location?
Thoughts on this?


Thanks!

Filtered water often tastes better than unfiltered. Safe or not, I prefer to have the option to filter.