An unusually high water bill is most often caused by a leak or change in water use. Some common causes of high water bills include: A leaking toilet, or a toilet that continues to run after being flushed, most common. A dripping faucet; a faucet drip can waste 20 gallons or more of water a day.

Please view our water loss chart. Some common things that occur daily either intentionally or unintentionally that result in a loss of water.