Most are easily remedied. Leaky faucets are not only annoying, they can waste 2,700 gallons of water a year just by dropping a drip a second. Simply replacing the washer should fix the problem. Toilet tank leaks can be found by adding food coloring to the tank. If the toilet is leaking, color will appear in the toilet bowl within 30 minutes.
Replacement parts are readily available and easily installed.
One family reported their water bill dropped 50 percent after they repaired a leaky toilet. Homeowners that install newer water-saving features in older homes may enjoy savings of up to 30 percent in their water use. If every home in the United States had the water saving features, the American Water Works Association estimates the nation would save 5.4 billion gallons per day. Per capita, U.S. residents use about 74 gallons per day indoors, including about 20.1 gallons in the toilet, 12.6 gallons in the shower and 15.1 gallons in washing machines , the association stated.