To calculate water savings that can be achieved from replacing an existing flushome-
ter-valve toilet, use Equation 3-2.
To calculate the simple payback from the water savings associated with replacing an
existing flushometer-valve toilet, consider the equipment and installation cost of the
replacement flushometer-valve toilet, the water savings as calculated using Equation
and the facility-specific cost of water and wastewater.
Alliance for Water Efficiency. Toilet Fixtures Introduction.
EPA’s WaterSense program. WaterSense Labeled Toilets.
North Carolina Department of Environment and Natural Resources, et al. May 2009.
Water Efficiency Manual for Commercial, Industrial and Institutional Facilities
Schultz Communications. July 1999.
A Water Conservation Guide for Commercial, Insti-
tutional and Industrial Users
Prepared for the New Mexico Office of the State Engi-
neer. Pages 33–36.
Southern Nevada Water Authority. How to Find a Leak in Your Toilet.