9-3-2: WATER SAVING DEVICES:
   A.   Flow Rates: In all new construction and in all repair and/or replacement of fixtures or trim, only fixtures and trim not exceeding the following flow rates and/or water usage shall be installed. These ratings are based on a pressure at the fixture of forty (40) to fifty (50) psi:
Equipment
Gallons
Equipment
Gallons
Water closets:
   Tank type
   3.5 per flush
   Flushometer type
   3.0 per flush
Urinals:
   Tank type
   3.0 per flush
   Flushometer type
   3.0 per flush
Showerheads
   3.0 per minute
Lavatory, sink faucets
   3.0 per minute
 
(1976 Code § 13.40.010)
   B.   Lavatories For Public Use: In addition to the requirements in subsection A of this section, in all new construction and in all repair and/or requirement of fixtures, faucets of lavatories located in restrooms intended for public use shall be of metering or self-closing type. (1976 Code § 13.40.020)
   C.   Car Washes: In all new construction and replacement of fixtures, car wash installation shall be equipped with a water recycling system. (1976 Code § 13.40.030)