Leaks: Even the smallest leak can waste thousands of gallons of water a year. To see if there's a problem, read your water meter when no water is being use, then look at it again after a few hours to see if the gauge has changed. Fixing it could be as simple as replacing a faucet washer or could indicate a more serious problem such as an unseen leak in a pipe.
Pipes: Installing foam insulation on hot water pipes saves both water and energy by providing hot water faster and keeping it hot longer. This reduces the water wasted from running the tap to heat it up.
Bathroom
Toilets: Toilets are the largest users of water in the home. Look on the bottom of the lid to find the date your toilet was manufactured. Those made before 1993 use two to three times the water of new ones. If you have an older model, consider replacing it with a new low flush or dual flush toilet that can use as little as one gallon per flush.
If replacing a toilet isn't in your budget, add a few inches of gravel or sand to a plastic soft drink bottle, fill it with water, screw on the cap, and put it in the tank away from the float and flapper to reduce the amount of water used per flush.
To check your toilet to see if water is leaking from the tank into the bowl, put a small amount of food coloring in the tank. If the color shows up in the bowl without flushing it, the flapper valve in the tank should be replaced.
Showers: Cutting down on the time spent in the shower can save two to five gallons of water per minute (GPM). Installing a water-saving showerhead will prevent thousands of gallons a year from going down the drain. To see if you need a new showerhead, put a five-gallon bucket in the shower and turn on the water. If it fills in less than two minutes, consider replacing the showerhead with a water-saving model that uses two GPM or less.
Sinks: Leaving the faucet running while you shave or brush your teeth wastes water. Turn the water off while you brush and fill the sink to rinse your razor.
Kitchen
Dishwashing: When used properly, a dishwasher uses less water than hand washing. Run your dishwasher only when it's full and use water-saving settings for more efficiency. If you hand wash, fill one side of a double sink with soapy water for washing and the other with clean water for rinsing.
Faucets: Install low-flow aerators on faucets that reduce water flow to one GPM or less.
Drinking: Running water from the tap until it cools off for drinking is wasteful. Instead, fill a pitcher or bottle and keep it in the fridge.
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