It's been some thirty plus years since there were any water purity issues in Europe (though I've heard of recent problems in Barcelona), but that doesn't mean you should drink every bit of water you see. ... In older buildings where you're not sure of the water supply, it's wise to drink filtered water or buy your water at the store, especially if you are staying there for an extended period. ... All but about 3 percent of public pipelines containing lead have been replaced with nontoxic materials, according to the American Water Works Association, a water-treatment industry scientific and educational group.
