The average household toilet accounts for 38% of the water used.
An unseen toilet leak can waste up to 15 gallons of water a day ( 5,474 gallons a year).
A slight showerhead or faucet leak can waste up to 100 gallons of water a week.
A leak the size of a pinhead can waste 360,000 gallons of water a year, enough to fill 12,000 bathtubs to the overflow mark.
10% of homes have a leak that wastes 90 gallons of water or more day.