The US only got clean water and indoor plumbing a few decades ago ?!? First century Rome had that and underfloor heating in the provinces. Hmm, not that clean

The US only got clean water and indoor plumbing a few decades ago ?!? First century Rome had that and underfloor heating in the provinces. Hmm, not that clean though: https://www.theguardian.com/us-news/2021/mar/31/americas-tap-water-samples-forever-chemicals https://www.theguardian.com/us-news/2021/mar/31/americas-tap...