Surely tap water is safer here as well. I refuse to buy bottled water most of the times. We've handpumps here and they are the source of real mineral water. 

It's also pretty interesting 
https://stacker.news/items/724523/r/Coinsreporter

Coinsreporter

Lower but non-zero. You can't taste it. Buildings usually have an ion-exchanger so it can be different for every household.

Bell_curve

Tap water to the equivalent of other countries like here in Germany =good

going beyond that = waste of time and money

conspiracy

RFK Jr. wants fluoride out of drinking water. Oregon shows what’s coming

Tap water to the equivalent of other countries like here in Germany =good

going beyond that = waste of time and money