In the Netherlands it is often more tasty than water from a bottle. However, we, the Dutch, also don’t think that any other countries’ tapwater is okay, because our own is supreme.
Tap water may be disgusting in your country, but in Hungary for example the same exact water is in the pipes that you can buy bottled up (they come from the same source, pumped up from deep underground, then filtered)
The real answer should be everywhere - bottled water is an abomination. I have personally drunk the tap water in Fiji, Argentina, St Lucia, St Vincent, Grenada, Barbados, Trinidad and Tobago, Mongolia, Philippines, Armenia, Georgia, Turkey, South Africa, Zimbabwe, Zambia, Malawi, Tanzania, Uganda, Kenya, Tunisia, Morocco and Latvia and have lived to tell the tale. India, though, was a different story.
The real answer should be from the river. I don't use no stinkin' bottles or tap water. I drink directly from the source, no matter how potable it may be. Now if you'll excuse me, I've got a bad case of diarrhea...
The real answer is only drinking falling rain drops by catching them with our tongue, as the almighty god intended us to do. Tap water, bottled water, river water, and osmosis are and abomination and cleary against the will of our creator