Chapter 6 — WATER SUPPLY AND DISTRIBUTION
609.7 Abutting Lot. Nothing contained in this code shall
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.
be construed to prohibit the use of an abutting lot to: (1) Provide access to connect a building supply to an avail able public water service where proper cause and legal
(1) The bottom of the water pipe shall be not less than 12
inches (305 mm) above the top of the sewer or drain line. (2) The water pipe shall be placed on a solid shelf excavated
at one side of the common trench with a clear horizontal
The water pipe shall be placed on a solid shelf excavated
at one side of the common trench with a clear horizontal distance of not less than 12 inches (305 mm) from the sewer or drain line.
(1) Provide access to connect a building supply to an avail able public water service where proper cause and legal easement not in violation of other requirements have been first established to the satisfaction of the Authority Having Jurisdiction. (2) Provide additional space for a building supply where the
proper cause, transfer of ownership, or change of bound
Provide additional space for a building supply where the
proper cause, transfer of ownership, or change of boundary not in violation of other requirements have been first established to the satisfaction of the Authority Having Jurisdiction. The instrument recording such action shall
152 2019 CALIFORNIA PLUMBING CODE
WATER SUPPLY AND DISTRIBUTION
constitute an agreement with the Authority Having Jurisdiction, which shall clearly state and show that the areas so joined or used shall be maintained as a unit during the time they are so used. Such an agreement shall be recorded in the office of the County Recorder as a part of the conditions of ownership of said properties, and shall be binding on heirs, successors, and assigns to such properties. A copy of the instrument recording such proceedings shall be filed with the Authority Having Jurisdiction.
Get a plain-English answer with a citation back to this text.
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
Overview- 601.2 Hot and Cold Water Required. Except where not
- 601.3 Identification of a Potable and NonpotableWater System. …
- 601.5 [AGR] Meat and Poultry Processing Plants. Except as prov…
- 601.4 [CA] Schools of Cosmetology and Cosmeto-
- 601.6 [AGR] Collection Centers and Facilities.601.6.1 The wate…
- 601.7 [AGR] Renderers. This area shall be provided with
- 601.8 [AGR] Horse Meat and Pet Food Establishments.601.8.1 The…
- 602.3 Backflow Prevention. No plumbing fixture, device,
- 602.4 Approval by Authority. No water piping supplied
- 603.0 Cross-Connection Control.603.1 General. Cross-connection…
- 603.2 Approval of Devices or Assemblies. Before a
- 602.0 Unlawful Connections.602.1 Prohibited Installation. No i…
- 602.2 Cross-Contamination. No person shall make a connection o…
- 603.3 Backflow Prevention Devices, Assemblies, andMethods. Bac…
- 603.4 General Requirements. Assemblies shall comply
- 603.5 Specific Requirements. Specific requirements for
- 604.0 Materials.604.1 Pipe, Tube, and Fittings. Pipe, tube, fi…
- 604.2 Lead Content. The maximum allowable lead content in pipe…
- 604.3 Copper or Copper Alloy Tube. Copper or copper
- 604.4 Hard-Drawn Copper or Copper Alloy Tubing. Hard-drawn cop…
- 604.5 Flexible Connectors. Flexible water connectors
- 604.6 Cast-Iron Fittings. Cast-iron fittings up to and
- 604.7 Malleable Iron Fittings. Malleable iron water fittings s…
- 604.8 Previously Used Piping and Tubing. Piping and
- 604.9 Epoxy Coating. The epoxy coating used on existing, under…
- 604.10 Plastic Materials. Approved plastic materials shall
- 605.0 Joints and Connections.
- 604.11 Solder. Solder shall comply with the requirements of
- 604.12 Flexible Corrugated Connectors. Flexible corrugated con…
- 604.13 Water Heater Connectors. Flexible metallic (copper and …
- 605.2 CPVC Plastic Pipe and Joints. CPVC plastic pipe
- 605.3 CPVC/AL/CPVC Plastic Pipe and Joints. Chlorinated polyvi…
- 605.4 Ductile Iron Pipe and Joints. Ductile iron pipe
- 605.5 Galvanized Steel Pipe and Joints. Galvanized
- 605.6 PE Plastic Pipe/Tubing and Joints. PE plastic
- 605.7 PE-AL-PE Plastic Pipe/Tubing and Joints. PEAL-PE plastic…
- 605.8 PE-RT. Polyethylene of raised temperature (PE-RT)
- 605.9 PEX Plastic Tubing and Joints. PEX plastic tubing and fi…
- 605.11 Polypropylene (PP) Piping and Joints. PP pipe
- 605.10 PEX-AL-PEX Plastic Tubing and Joints. PEXAL-PEX plastic…
- 605.12 PVC Plastic Pipe and Joints. PVC plastic pipe
- 605.13 Stainless Steel Pipe and Joints. Joining methods for st…
- 605.14 Slip Joints. In water piping, slip joints shall be perm…
- 605.15 Dielectric Unions. Dielectric unions where
- 605.16 Joints Between Various Materials. Joints
- 606.0 Valves.606.1 General. Valves up to and including 2 inche…
- 606.2 Fullway Valve. A fullway valve controlling outlets
- 606.3 Multidwelling Units. In multidwelling units, one or
- 606.4 Multiple Openings. Valves used to control two or
- 606.5 Control Valve. A control valve shall be installed
- 606.6 Accessible. Required shutoff or control valves shall
- 606.7 Multiple Fixtures. A single control valve shall be
- 606.8 [OSHPD 1, 1R, 2, 3, 4 & 5] Each riser or branch
- 607.2 Potable Water Tanks. Potable water supply tanks,
- 607.3 Venting. Tanks used for potable water shall be tightly
- 607.4 Overflow. Tanks shall have not less than a 16 square
- 607.5 Valves. Pressurized tanks shall be provided with a
- 608.0 Water Pressure, Pressure Regulators, Pres-
- 608.2 Excessive Water Pressure. Where static water
- 608.3 Expansion Tanks, and Combination Tempera-ture and Pressu…
- 608.4 Pressure Relief Valves. Each pressure relief valve
- 608.5 Discharge Piping. The discharge piping serving a
- 609.3 Under Concrete Slab. Water piping installed within
- 608.6 Water-Heating Devices. A water-heating device
- 608.7 Vacuum Relief Valves. Where a hot-water storage
- 609.0 Installation, Testing, Unions, and Location.609.1 Instal…
- 609.2 Trenches. Water pipes shall not be run or laid in the
- 609.4 Testing. Upon completion of a section or of the entire
- 609.5 Unions. Unions shall be installed in the water supply
- 609.6 Location. Except as provided in Section 609.7, no
- 609.7 Abutting Lot. Nothing contained in this code shall
- 609.8 Low-Pressure Cutoff Required on BoosterPumps for Water D…
- 609.9 Disinfection of Potable Water System. New or
- 609.11 Pipe Insulation. Insulation of domestic hot water
- 610.2 Pressure Loss. Where a water filter, water softener,
- 609.10 Water Hammer. [Not adopted by HCD] Building water suppl…
- 610.3 Quantity of Water. The quantity of water required
- 610.4 Sizing Water Supply and Distribution Systems. Systems wi…
- 610.5 Sizing per Appendices A and C. Except as provided in Sec…
- 610.6 Friction and Pressure Loss. Except where the type
- 610.7 Conditions for Using Table 610.4. On a proposed
- 610.9 Size of Branches. Where Table 610.4 is used, the minimum…
- 610.10 Sizing for Flushometer Valves. Where using
- 610.8 Size of Meter and Building Supply Pipe UsingTable 610.4.…
- 610.13 Exceptions. The provisions of this section relative
- 610.12 Sizing for Velocity. Water piping systems shall not
- 610.11 Sizing Systems for Flushometer Tanks. The
- 611.2 Air Gap Discharge. Discharge from drinking water
- 611.3 Connection Tubing. The tubing to and from drinking water…
- 611.4 Sizing of Residential Softeners. Residential-use
- 612.0 Residential Fire Sprinkler Systems.612.1 Where Required.…
- 612.2 Types of Systems. This section shall apply to standalone…
- 612.3 Sprinklers. Sprinklers shall be installed in accordance …
- 612.4 Sprinkler Piping System. Sprinkler piping systems
- 612.5 Sprinkler Piping Design. Sprinkler piping systems
- 612.6 Instructions and Signs. An owner’s manual for the
- 612.7 Inspection and Testing. The inspection and testing of sp…
- 613.0 [OSHPD 1, 1R, 2, 3, 4 & 5] Domestic Hot-Water
- 613.2 At least two pieces of hot-water-heating equipment shall
- 613.3 Instantaneous heaters are permitted for supplying hot
- 613.4 Water storage tanks shall be fabricated of corrosion-
- 613.5 Temperature control valves shall be provided to auto-
- 613.6 Hot-water distribution system serving patient care
- 613.7 At fixtures where water exceeding 125°F (52°C) is acces-
- 613.8 Sectionalizing valves shall be provided as required by
- 614.2 All piping for multistation or central dialysis units sh…
- 614.3 All valves shall be located in accessible locations.
- 614.4 Piping and valves shall be identified according to their
- 614.5 A means of preventing backwashing or flushing of the
- 614.6 A continuous audible alarm shall sound at the nurses’
- 614.7 Water used for dialysis treatment shall meet the latest
- 614.8 A diagram of all piping as installed shall be posted at …
- 615.1 Uses Not Permitted.615.1.1 [OSHPD 1, 1R, 2, 3, 4 & 5] No…
- 615.2 [OSHPD 1, 1R, 2, 3, 4 & 5] Non-potable water sys-
- 615.3 [OSHPD 1, 1R, 2, 3, 4 & 5] Outlets for non-potable
- 615.4 [OSHPD 1] Emergency Water Supply.615.4.1 For new acute c…
- 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
- 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