Fixtures & Water HeatersQuestion 195 of 360
Under CALGreen residential requirements, a lavatory (bathroom) faucet is generally limited to a maximum flow rate of about:
a.2.2 gpm at 60 psi
b.1.2 gpm at 60 psi
c.2.5 gpm at 80 psi
d.0.35 gpm at 60 psi
Explanation
CALGreen limits residential lavatory faucets to a maximum of about 1.2 gallons per minute at 60 psi. This is stricter than older 2.2-gpm faucets. The reduced flow conserves water at hand-washing fixtures.
Law Reference: 2022 CALGreen §4.303.1Practice all 360 questions free — no signup required.
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