N.Y. Comp. Codes R. & Regs. tit. 21, § 509.13
(a) The following definitions refer to faucets:
(13) Water use means the quantity of water flowing through a showerhead or faucet, at point of use, determined using the test method.
(b) Standard requirements for faucets.
(1) The flow rate of private lavatory faucets and lavatory replacement aerators shall be not greater than 1.2 gpm at 60 psi.
(ii) Sprayheads with collectively controlled orifices and manual controls. The maximum flow rate of a sprayhead that manually turns on or off shall be the product of:
(2) The flow rate of kitchen faucets, kitchen replacement aerators, public lavatory faucets, and public lavatory replacement aerators shall be not greater than the applicable values shown in Table 34. Table 34: Standards for Kitchen Faucets and Aerators and Public Lavatory Faucets and Aerators
| Appliance | Maximum Flow Rate |
|---|---|
| Kitchen faucets and aerators | 1.8 gpm at 60 psi; kitchen faucets are permitted to temporarily increase the flow above the maximum rate, but not to exceed 2.2 gpm at 60 psi and must revert to a maximum flow rate of 1.8 gpm at 60 psi upon valve closure. |
| Public lavatory faucets and aerators | 0.5 gpm at 60 psi |
(c) Test procedures for assuring compliance with the standards established in subdivision (b) of this section.
The test method for faucets is 10 CFR section 430.23(s) (Appendix S to Subpart B of part 430), as incorporated by reference in section 509.61 of this Part.