Re. Czech Republic -- nothing has changed, in the sense that drinking tap water was perfectly safe ten years ago, as it is now. I suppose that demonstrates the

Re. Czech Republic -- nothing has changed, in the sense that drinking tap water was perfectly safe ten years ago, as it is now. I suppose that demonstrates the dangers of your "ask some local" approach :) Though the safety of tap water in CZ is well known, and has been well known for decades, and any local would tell you as much. So I'm not sure where that came from. Perhaps some temporary local incident? Even Google may be a safer source of information on tap water quality.