The plumbing section of the Florida Building Code establishes the maximum flow rate for indoor plumbing fixtures. Most of the maximum flow rates set for Florida code were established by the Energy Policy Act (EPAct) of 1992.

Maximum Flow Rates and Consumption for
Plumbing Fixtures and Fixture Fittings
Plumbing Fixture or Fixture Fitting Maximum Flow Rate or Quantityb
Lavatory faucet, private 2.2 gpm at 60 psi
Lavatory faucet, public (metering) 0.25 gallon per metering cycle
Lavatory faucet, public
(other than metering)
0.5 gpm at 60 psi
Showerheada 2.5 gpm at 80 psi
Sink faucet 2.2 gpm at 60 psi
Urinal 1.0 gallon per flushing cycle
Toilet 1.6 gallons per flushing cycle
a. A hand-held shower spray is a showerhead.
b. Consumption tolerances shall be determined from referenced standards.
Source: 2007 Florida Building Code – Plumbing
gpm: gallons per minute
psi: pounds per square inch

The U.S. Environmental Protection Agency (EPA) WaterSense® program provides a majority of the fixture standards that are required for Florida Water Star. Launched in 2006, WaterSense® is an EPA-sponsored partnership program that seeks to protect the future of our nation’s water supply by promoting water efficiency and enhancing the market for water-efficient products, programs and practices.

Fixtures are divided into the following areas:

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