The average house in the United States is 37 years old, and half of U.S. homes are more than 50 years old. That means most toilets were installed before 1992, when the Environmental Protection Agency mandated the use of ultra-low-flush toilets. Those old toilets use between 5 and 7 gallons per flush, up to 5 gallons more than new toilets. Want to lower your water bills and waste less clean water? Upgrade your toilet!
Check out Earth911’s guide to buying an efficient toilet.
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Editor’s Note: An earlier version of this poster and article misstated the water usage of older toilets and overstated the benefits of upgrading to a new toilet, which uses as little as 1.6 gallons per flush. We apologize for the error.