I used to live in Oxfordshire.
I now live in Gloucestershire.
I've always enjoyed the pure taste of water and couldn't tell the difference in taste between tap water and mineral water when I was in Oxfordshire.
Noticed the difference this morning though!
Opened up a multi-pack of Sainsbury's still Scottish mountain water.
It just tastes so much cleaner! So much fresher! More natural! Like with table salt and sea salt? I didn't used to be able to tell the difference between those either, but since reducing the dose of my AP everything has more of a taste difference now!
I tried Glaceau vitamin water recently but it didn't taste much different from strong squash and it was pretty expensive for such a small bottle (£1.55 for 500ml) but after tasting the difference in the mineral water, I might give it one last chance.
Got the cherries and berries squash in the water now... yumsk!
If you're in the UK, give the water a try... get someone to give you a glass of tap water and a glass of the mountain water to see if you can tell the difference too?