Step 1: When was your building constructed?
- 2011 or later: Your toilets do not qualify because toilets installed in newer homes are already designed to save water.
- Before 2011: Proceed to Step 2.
Step 2: Go to the toilet and look for the manufacture date, the flush volume, or both. (See below for examples of where to find this information.)
Step 3: Were you able to find the manufacture date of the toilet?
- No: Go to step 4
- Yes: If the date is before 2011, your toilet qualifies for replacement. If the date is 2011 or later, it does not qualify because newer toilets are designed to save water.
Step 4: Were you able to find the flush volume (also called gallons per flush or gpf)?
- No: If you are unable to find the flush volume or manufacture date, and your house or building was built before 2011, your toilet is likely older and qualifies for replacement.
- Yes: If the flush volume is 1.6 gpf or more, it qualifies (only when building age and manufacture date are unknown.) If the flush volume is 1.28 gpf or less, it does not qualify because your toilet is already considered to be one that saves water.
Examples of where to find information about your toilet
Manufacture date
The manufacture date, if present, is often stamped inside the tank on the back wall or on the bottom of the tank lid.
Bottom of the tank lid
Flush volume
The flush volume or gallons per flush (gpf) tells you how much water your toilet uses. Knowing the flush volume can help determine a toilet’s age because certain flush volumes were only manufactured during a specific time period.
The flush volume, if present, is often stamped behind the toilet seat on the toilet bowl, or inside the tank on the back wall.
Behind the seat
Inside the toilet tank
