All I know is that I used to like our water.Then about a couple of years ago I kept getting an eggy smell in the mornings and the water started tasting foul.That was when I stopped drinking it straight from the tap(except to brush my teeth).I'm sure it's safe, it just doesn't taste nice.Believe me there IS a difference between bottled water and tap water for flavour.
I've got very delicate taste buds-which has driven my family mad for years because if I think summat tastes funny I won't drink or eat it no matter what.The amount of food I've thrown away because it tastes of the plastic packaging that it arrived in...