Chapter 15 — ALTERNATE WATER SOURCES FOR NONPOTABLE APPLICATIONS
1505.8 Valves. Valves, except fixture supply control valves,
California Plumbing Code (Title 24, Part 5) · 2019 edition · updated 2026-09-10 · California
Italicized text is a California amendment to the model code, as printed in the official publication.
shall be equipped with a locking feature.
1505.8.1 Valve Seals. The master reclaimed (recycled) water shut-off valve and/or the reclaimed (recycled) water meter curb cock and each valve within a wall shall be sealed after the recycled water supply system has been approved and placed into operation. These seals shall be either crimped lead wire seal or plastic break away seal which, if broken after system approval, shall be deemed conclusive evidence that the recycled water supply sys- tem has been accessed. The seals shall be purple, num- bered, and contain the words “RECYCLED WATER”, and shall be supplied by the recycled water purveyor, or by other arrangements acceptable to the Authority Hav- ing Jurisdiction. 1505.8.2 Valve and Appurtenance Access DoorSigns. Each reclaimed (recycled) water valve within a wall shall have its access door into the wall equipped with a warning sign approximately 6 inches by 6 inches (152 mm x 152 mm) with wording in approximately 3/8 inch (9.5 mm) letters on a purple background. The word- ing text and format of the sign shall be substantially the same as that specified in Section 1505.12.3. The signs shall be attached inside the access door frame and shall hang in the center of the access door frame. This sign requirement shall be applicable to any and all access doors, hatches, etc., leading to reclaimed (recycled) water piping and appurtenances.
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Ask AI about this code▸Contents — California Plumbing Code (Title 24, Part 5)
- Chapter 1 — GENERAL CODE PROVISIONS
- Chapter 2 — DEFINITIONS
- Chapter 3 — GENERAL REGULATIONS
- Chapter 4 — PLUMBING FIXTURES AND FIXTURE FITTINGS
- Chapter 5 — WATER HEATERS
- Chapter 6 — WATER SUPPLY AND DISTRIBUTION
- Chapter 7 — SANITARY DRAINAGE
- Chapter 8 — INDIRECT WASTES
- Chapter 9 — VENTS
- Chapter 10 — TRAPS AND INTERCEPTORS
- Chapter 11 — STORM DRAINAGE
- Chapter 12 — FUEL GAS PIPING
- Chapter 13 — HEALTH CARE FACILITIES AND MEDICAL GAS AND MEDICA…
- Chapter 14 — FIRESTOP PROTECTION
▸Chapter 15 — ALTERNATE WATER SOURCES FOR NONPOTABLE APPLICATIONS
Overview- 1501.0 General.1501.1 Applicability [BSC-CG, DWR & HCD 1]. The
- 1501.2 System Design. Alternate water source systems
- 1501.3 Permit [BSC-CG, HCD 1, DWR]. It shall be unlawful for a…
- 1501.4 Component Identification. System components
- 1501.5 Maintenance and Inspection 1, DWR]. Alternate water sou…
- 1501.6 Operation and Maintenance Manual [BSC-
- 1501.7 Minimum Water Quality Requirements [BSC-
- 1501.8 Material Compatibility. Alternate water source systems …
- 1501.9 Signage [BSC-CG, HCD 1, HCD 2, HCD 1-AC, &DWR]. Signage…
- 1501.10 System Controls. Controls for pumps, valves, and
- 1501.11 Hose Bibbs for Single-Family Dwellings [HCD1]. Hose bi…
- 1502.2 Supply System Inspection and Test. Alternate
- 1502.3 Cross-Connection Inspection and Testing. An
- 1502.6 Sizing. Unless otherwise provided for in this chapter, …
- 1503.1 General. The provisions of this section shall apply
- 1502.4 Separation Requirements. Underground alternate
- 1502.5 Abandonment. Alternate water source systems that
- 1503.2 System Requirements. Gray water shall be permitted to b…
- 1503.3 Connections to Potable and Reclaimed(Recycled) Water Sy…
- 1503.4 Location. No gray water system or part thereof shall
- 1503.5 Plot Plan Submission. No permit for a gray water
- 1503.6 Prohibited Location. Where there is insufficient
- 1503.7 Drawings and Specifications. The Authority
- 1503.9 Gray Water System Components. Gray water
- 1504.2 Required Area of Subsurface Irrigation
- 1504.3 Determination of Maximum Absorption Capac-
- 1504.4 Groundwater Level. No excavation for an irrigation fiel…
- 1504.5 Irrigation, Disposal Field and Mulch Basin Con-structio…
- 1504.6 Reserved.
- 1504.7 Reserved.
- 1504.8 Gray Water System Color and Marking Infor-mation. Press…
- 1504.9 Other Collection and Distribution Systems. Other collec…
- 1504.10 Testing. Building drains and vents for gray water
- 1504.11 Maintenance. Gray water systems and components shall b…
- 1505.0 Recycled Water 1505.1 General. The provisions of Supply…
- 1505.3 System Changes. No changes or connections shall
- 1505.4 Connections to Potable or Reclaimed (Recy-cled) Water S…
- 1505.2 Permit. It shall be unlawful for a person to construct,
- 1505.5 Initial Cross-Connection Test. A cross-connection test …
- 1505.6 Recycled Water Recycled water supply system materials s…
- 1505.8 Valves. Valves, except fixture supply control valves,
- 1505.9 Hose Bibbs. Hose bibbs shall not be allowed on
- 1505.10 Required Appurtenances. The recycled water
- 1505.11 Pipe Separation in Trenches. Reclaimed (recycled) wate…
- 1505.12 Signage. Signs in rooms and water closet tanks in
- 1505.13 Inspection and Testing. Recycled water supply
- 1505.15 Maintenance and Inspection. Recycled water
- 1506.0 On-Site Treated Nonpotable Gray Water Sys-
- 1506.2 Plumbing Plan Submission. No permit for an
- 1506.3 System Changes. No changes or connections shall
- 1506.4 Connections to Potable or Reclaimed (Recy-
- 1506.5 Initial Cross-Connection Test. A cross-connection test …
- 1506.6 On-Site Treated Nonpotable tem Materials. On-site treat…
- 1506.7 On-Site Treated Nonpotable Devices and Systems. Devices…
- 1506.9 Design and Installation. The design and installation of…
- 1506.10 Valves. Valves, except fixture supply control
- 1506.11 Signs. Signs in buildings using on-site treated nonpot…
- 1506.12 Inspection and Testing. On-site treated nonpotable gra…
- Chapter 16 — NONPOTABLE RAINWATER CATCHMENT SYSTEMS
- Chapter 17 — REFERENCED STANDARDS
- Appendix A — RECOMMENDED RULES FOR SIZING THE WATER SUPPLY SYS…
- Appendix B — EXPLANATORY NOTES ON COMBINATION WASTE AND VENT S…
- Appendix C — ALTERNATE PLUMBING SYSTEMS
- Appendix D — SIZING STORM WATER DRAINAGE SYSTEMS
- Appendix E — MANUFACTURED/MOBILE HOME PARKS AND RECREATIONAL V…
- Appendix F — FIREFIGHTER BREATHING AIR REPLENISHMENT SYSTEMS
- Appendix G — SIZING OF VENTING SYSTEMS
- Appendix H — PRIVATE SEWAGE DISPOSAL SYSTEMS
- Appendix I — INSTALLATION STANDARD FOR PEX TUBING SYSTEMS FOR …
- Appendix J — COMBINATION OF INDOOR AND OUTDOOR COMBUSTION AND …
- Appendix K — POTABLE RAINWATER CATCHMENT SYSTEMS
- Appendix L — SUSTAINABLE PRACTICES
- Appendix M — PEAK WATER DEMAND CALCULATOR