How much water does your household use?

Common questions

How much water does the average household use per day?

The US EPA WaterSense program reports that the average American family uses more than 300 gallons (about 1,140 litres) of water per day at home, with roughly 70% of that used indoors. Your own total depends on how many people live there and your fixtures — enter them above to get your figure.

How many gallons of water does one person use per day?

EPA WaterSense puts the average at about 82 gallons (roughly 310 litres) per person per day at home, counting everything including leaks and outdoor use. The five main indoor fixtures alone — toilet, shower, taps, washing machine and dishwasher — usually come to less than that; the calculator shows your per-person indoor figure.

What uses the most water in a house?

The bathroom, by a wide margin. EPA WaterSense notes the toilet alone can account for about 27% of a home's indoor water use, followed closely by showers and taps. That is why switching to a WaterSense toilet (1.28 gallons per flush versus the 1.6-gallon federal standard) and a 2.0-gpm showerhead saves the most.

How much water does a family of four use?

With the seeded typical figures, a household of four comes to roughly 166 gallons (about 622 litres) a day from the five main indoor fixtures — around 5,000 gallons a month. Efficient WaterSense fixtures and shorter showers can cut that noticeably. Adjust the inputs to match your own home.