The average person uses 80-100 gallons of water a day. But where is all that water used? Toilet – 27% Laundry – 22% Shower – 17% Faucet – 16% Leaks – 14% Water stats: Showers – 2 gallons/minute – bathtub holds 36 gallons. Kitchen faucets – 2 gallons/minute. Bathroom faucet – 1 gallon/minute. …