A person in an industrial urban society can live a clean and healthy life on 50 liters of water per day. how does this compare with the water use for an average american?

Compared to the water use of American, the needed amount is actually about half of what Average American spend per day.

IApproxximately, average American spends around 80-100 Litres of water per day (the majority of that water spent while showering, which consume about 65.1 Liters for each American)