408.2 Water Consumption.

Showerheads shall have a maximum flow rate of not more than 1.8 gpm at 80 psi ( 6.81 L/m at 552 kPa). [HCD 1] Residential showerheads shall comply with Division 4.3 of the California Green Building Standards Code (CALGreen).

408.2.1 Single Showerhead [BSC-CG, DSA-SS & DSA-SS/CC]. Showerheads shall have a maximum flow rate of not more than 1.8 gallons (6.81 L) per minute at 80 psi. Showerheads shall be certified to the perform- ance criteria of the U.S. EPA WaterSense Specification for Showerheads in compliance with Chapter 5, Division 5.3. of the California Green Building Standards Code (CALGreen). 408.2.2 Multiple Showerheads Serving One Shower [BSC-CG, DSA-SS & DSA-SS/CC]. When a shower is served by more than one showerhead, the com- bined flow rate of all showerheads and/or other shower outlets controlled by a single valve shall not exceed 1.8 gal- lons (6.81 L) per minute at 80 psi, or the shower shall be designed to allow only one shower outlet to be in operation at a time in compliance with Chapter 5, Division 5.3 of the California Green Building Standards Code (CALGreen).

2022 CALIFORNIA PLUMBING CODE 61

PLUMBING FIXTURES AND FIXTURE FITTINGS

Note: A hand-held shower shall be considered a show- erhead.