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Making it easy for Americans to save water and protect the environment.

WaterSense, a partnership program of the U.S. Environmental Protection Agency (EPA), makes it easy for Americans to save water and protect the environment by identifying high efficiency products that perform well.

The WaterSense program was announced at the 2006 American Water Works Association's Annual Conference and Exposition in San Antonio, Texas. WaterSense was created to encourage manufactures to produce water efficient plumbing fixtures and to develop a labeling system to help consumers recognize these products.

The EPA’s WaterSense® label will be used to identify toilets that:

  • Qualify as High Efficiency Toilets (1.28gpf or less).
  • Have a minimum Soybean paste flush score of 350 uncased grams.
  • Meet the Los Angeles Department of Water and Power Supplementary Pricing Specification regarding trim quality and tank volume.
  • Have third party testing agencies conducting product performance testing and validation.


TOTO WaterSense
Certified Toilets
  TOTO WaterSense
Certified Faucets
  TOTO WaterSense
Certified Showers




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