1. Dasani
There are few that wouldn’t agree on Dasani being one of the worst tasting bottled waters in America. Many would also agree that is because Dasani is produced by Coca-Cola. Yes they say it is “as pure as it gets”, but it actually contains twice the amount of legally permitted bromate, which is not good. That is why Coca-Cola withdrew Dasani from the UK market, but it nevertheless remains one of the most popular bottle waters in the US. The Environmental Working Group has scored this water with D.