Table § 18-29-604.4


Maximum Flow Rates and Consumption for Plumbing Fixtures and Fixture Fittings

Plumbing Fixture or Fixture Fitting

Maximum Flow Rate or Quantity a

Lavatory, private

2.5 gpm at 80 psi

Lavatory, public

0.5 gpm at 80 psi

Lavatory, public, metering or self-closing

0.5 gallons per metering cycle

Shower head

2.5 gpm at 80 psi

Sink faucet

2.5 gpm at 60 psi

Urinal

1.0 gallons per flushing cycle

Water closet

1.6 gallons per flushing cycle

For SI: 1 gallon = 3.785 L, 1 gpm = 3.785 L/m, 1 psi = 6.895 kPa

a) Consumption tolerances shall be determined from referenced standards