Don't run while you brush.
Turn off the tap while you brush your teeth. You'll conserve up to five gallons of water per day -- which could add up to 1.5 billion gallons that could be saved across the country each day -- more than enough for all of New York City.
You could save time and money on water, up to 1,825 gallons of water per person each year. This much water would fill your bathtub more than 35 times. A family of four could save almost 7,500 gallons a year.