601.3 Identification of a Potable and NonpotableWater

In buildings where potable water and nonpotable water systems are installed, each system shall be clearly identified in accordance with Section 601.3.1 through Section 601.3.5.

(1) Listed fixtures that do not require water for their opera tion and are not connected to the water supply. (2) [HCD 1 & HCD 2] For limited-density owner-built rural

dwellings, potable water shall be available to the

(2) [HCD 1 & HCD 2] For limited-density owner-built rural

dwellings, potable water shall be available to the dwelling site, although such water need not be pressur- ized. Where water is not piped from a well, spring, cis- tern or other source, there shall be a minimum reserve of 50 gallons (189 L) of potable water available. Where water delivery is pressurized, piping shall be installed in accordance with the provisions of this chapter. (3) [HCD 1, HCD 2, DWR] For all residential occupan-

cies, alternate water sources may be allowed as speci-

601.3.1 Potable Water. Green background with white lettering. 601.3.2 Color and Information. Each system shall be identified with a colored pipe or band and coded with paints, wraps, and materials compatible with the piping.

(3) [HCD 1, HCD 2, DWR] For all residential occupan-

cies, alternate water sources may be allowed as speci- fied in Chapter 15 of this code in addition to potable water. (4) [BSC-CG, DWR] For non-residential occupancies,

alternate water sources may be allowed as specified in

(4) [BSC-CG, DWR] For non-residential occupancies,

alternate water sources may be allowed as specified in Chapter 15 of this code. (5) [BSC-CG, DWR] Where a public agency requires a

building to use recycled water to flush water closets and

Except as required by Section 601.3.3, nonpotable water systems shall have a yellow background with black uppercase lettering, with the words “CAUTION: NONPOTABLE WATER, DO NOT DRINK.” Each nonpotable system shall be identified to designate the liquid being conveyed, and the direction of normal flow shall be clearly shown. The minimum size of the letters and length of the color field shall comply with Table 601.3.2. th of the color field shall comply with Table 601.3.2.

[HCD 1 & HCD 2] An international symbol of a glass in a circle with a slash through it shall be provided sim- ilar to that shown in Figure 601 for all nonpotable water systems.

(5) [BSC-CG, DWR] Where a public agency requires a

building to use recycled water to flush water closets and urinals in accordance with California Water Code 13554. In occupancies where plumbing fixtures are installed for private use, hot water shall be required for bathing, washing, laundry, cooking purposes, dishwashing or maintenance. In occupancies where plumbing fixtures are installed for public use, hot water shall be required for bathing and washing purposes. This requirement shall not supersede the requirements for individual temperature control limitations for public lavatories and public and private bidets, bathtubs, whirlpool bathtubs, and shower control valves.

601.2.1 Submeters. [HCD 1] Each water purveyor that sells, leases, rents, furnishes, or delivers water service to a newly constructed multiunit residential structure or res- idential portion of newly constructed mixed-use residential and commercial structure for which an application for a water connection(s) is submitted after January 1, 2018, shall require a measurement of the quantity of water sup- plied to each individual residential dwelling unit as a con- dition of new water service. The measurement may be by individual water meters or submeters. See California

FIGURE 601 INTERNATIONAL SYMBOL

The background color and required information shall be indicated every 20 feet (6096 mm) but not less than once per room, and shall be visible from the floor level. 601.3.3 Alternate Water Sources. Alternate water source systems shall have a purple (Pantone color No. 512, 522C, or equivalent) background with uppercase lettering and shall be field or factory marked as follows: (1) Gray water systems shall be marked in accordance

with this section with the words “CAUTION: NONPOTABLE GRAY WATER, DO NOT DRINK” in black letters.

2019 CALIFORNIA PLUMBING CODE 135

WATER SUPPLY AND DISTRIBUTION any other purpose or distributed to any other persons or parti es.

(2) Reclaimed (recycled) water systems for outdoor

applications shall be marked in accordance with this

(2) Reclaimed (recycled) water systems for outdoor

applications shall be marked in accordance with this section with the words: “CAUTION: NONPOTABLE RECLAIMED (RECYCLED) WATER, DO NOT DRINK” in black letters. (3) On-site treated water systems shall be marked in

accordance with this section with the words: “CAU

(3) On-site treated water systems shall be marked in

accordance with this section with the words: “CAUTION: ON-SITE TREATED NONPOTABLE WATER, DO NOT DRINK” in black letters. (4) Rainwater catchment systems shall be marked in

accordance with this section with the words: “CAU