Look for the mark and you'll find a safer product.
WaterSenseSM is a voluntary public-private partnership program sponsored by the U.S. Environmental Protection Agency (EPA). Its mission is to protect the future of our nation's water supply by promoting and enhancing the market for water-efficient products and services.
NSF International plays a key role in the program as an EPA Licensed Certification Body. This means that NSF has been approved to test and certify products to the WaterSense specification as designated by the EPA. NSF is also authorized to grant the WaterSense label for certified products, including High-Efficiency Toilets (HETs).
To learn more about this program as well as to learn what to look for on a product's label, select one of following options: