(3) Any previous water conservation measures
(such as retrofits) already implemented; also any previous water
(4) List of current water-using equipment, their
manufacturers, and number of each (e.g., toilets).
(5) Number of employees, their working schedules,
and building locations.
b) Conduct the Audit. After the above data has been
gathered, the actual audit must be performed. This includes the
Assemble qualified personnel for a survey
team and assign the tasks.
(2) Seek the assistance from the utility - they
may be able to help conduct the audit.
(3) Choose the appropriate unit of measure for
each device and have survey personnel use it consistently in any
calculations (e.g., gpf - gallons per flush for toilets; gpm -
gallons per minute for faucets).
(4) Measure incoming water supply flows (it may
not match the utility's figures).
Measure outgoing water flows, if possible.
(6) Physically observe and identify all water
consuming equipment. Determine their daily usage rate.
(7) Determine the amount of water consumption for
each device during use. Use meters as appropriate.
Use leak detection program to determine water
Identify any other observable losses of
c) Analyze Audit Results. After completing the water
audit, the results must be analyzed to determine where the best
water conservation opportunities exist. This includes the