TOTO offers 24 watersense certified toilets models in the lineup we track. This page is the TOTO-specific cut of the broader EPA WaterSense Certified Toilets toilets category — same product class, narrowed to the TOTO catalog only.
<p>If you've been researching toilets, TOTO has almost certainly come up. Their catalog spans the full price tier from value picks to flagship models, and their warranty terms are among the most generous in the category. This page is built to help you navigate the TOTO toilets lineup specifically — which model belongs in which use case, where TOTO wins against its closest competitors, and where you should consider an alternative.</p> <h2 id="brand-overview">About TOTO in toilets</h2> <p>TOTO's position in the toilets category is reinforced by three structural advantages: a wide product range...
For the complete TOTO lineup across all sub-types and capacities, see the TOTO Toilets hub.
If you're cross-shopping watersense certified toilets beyond TOTO, the following brands also ship in this category:
EPA WaterSense is the federal voluntary water-efficiency certification program. A WaterSense-certified toilet uses 1.28 gallons per flush or less AND meets a minimum flush performance threshold (MaP score 350g+). Buying WaterSense-certified is the simplest way to ensure you're getting a real high-efficiency toilet, not just a label.
A 1.28 GPF toilet that won't reliably flush solid waste isn't actually water-saving — owners double-flush, defeating the savings. WaterSense certification requires the toilet to pass the MaP (Maximum Performance) test, which measures how much simulated solid waste the toilet clears in a single flush. The minimum threshold is 350g; most WaterSense-certified toilets test at 600–1,000g, well above the threshold.
This is the differen...
For the complete watersense certified buyer's guide (all brands, full comparison framework), see the EPA WaterSense Certified Toilets category hub.
Explore TOTO from other angles: