about 300L/perday
8 glasses a day
Twenty cups is average, but it is healthy to drink fifteen cups of water a day.
150 gallons
Seven to ten cups per day is a good average.
500 galons
about 64oz a day
293 gal.
1,5 Litres a day!
About 80-100 gallons each day!
100-150 gallons of water
On average hotels and motels use 21,500 gallons per day.
It depends entirely on how much water the person drinks on the average day. It is impossible to tell how much water a person could drink in a single day unless you already knew the average rate at which they consume it per day.