On an average, how much water does one person consume?
Normally, an average person requires water for activities like drinking, washing, flushing, clean and miscellaneous chores. The consumption of water in each of the mentioned situations varies from person to person.
Based on the above mentioned activities, standard water consumption per person can be estimated at around 135 l/p/d (where l/p/d = liters per person per day).
You can know more about standard water consumption at : https://www.greensutra.in/news/what-are-the-standard-water-requirements/