Earlier quoted context omitted.
In at least a couple of European countries it is well known that unless your city has specific problems tap water is better than bottled water. The reason being that (except some cases of corruption...) legal limit are much stricter for tap water. Better in impurities at the very least, the taste is usually quite worse.
Living in Germany/Berlin and can confirm. Our tap water is excellent and is way cleaner than all bottled water you can buy. Keep in mind, bottled water is also kept around way longer and has the time to „breed“. In tests, the tap water is consistently less contaminated. I recommend everyone to just stick to it. As an anecdote: you can let your tap water be tested for free if you have a newborn to ensure and confirm t…
That said I’ve never been a fan of bottle water anyway, I’ve always preferred what my Nan used to call ‘council pop’ (tap water).