716.1 General. Pipe, brick, block, prefabricated septic
California Plumbing Code (Title 24, Part 5) · 2025 edition · updated 2026-09-10 · California
Italicized text is a California amendment to the model code, as printed in the official publication.
tanks, prefabricated septic tank or seepage pit covers, or other parts or appurtenances incidental to the installation of building sewers or private sewage disposal systems shall be in accordance with the approval requirements of Chapter 3 of this code.
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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
Overview- 701.1 Applicability. This chapter shall govern the materials,
- 701.2 Drainage Piping. Materials for drainage piping shall
- 701.3 Drainage Fittings. Materials for drainage fittings
- 701.4 Continuous Wastes. Continuous wastes and fixture
- 701.5 Lead. (See Chapter 17) Sheet lead shall comply with
- 701.6 Caulking Ferrules. Caulking ferrules shall be manufactur…
- 701.7 Soldering Bushings. Soldering bushings shall be
- 702.1 Trap Size. The unit equivalent of plumbing fixtures
- 702.2 Intermittent Flow. Drainage fixture units for intermitte…
- 702.3 Continuous Flow. For a continuous flow into a
- 703.1 Minimum Size. The minimum sizes of vertical, horizontal,…
- 703.2 Maximum Number of Fixture Units. Table 703.2
- 703.3 Sizing per Appendix C. For alternate method of
- 704.1 Inlet Fittings. Drainage piping shall be provided with
- 704.2 Single Vertical Drainage Pipe. Two fixtures set
- 704.3 Commercial Sinks. Pot sinks, scullery sinks, dishwashing…
- 705.1 ABS and ABS Co-Extruded Plastic Pipe and
- 705.2 Cast-Iron Pipe and Joints. Joining methods for
- 705.3 Copper or Copper Alloy Pipe (DWV) and
- 705.4 Galvanized Steel Pipe and Joints. Joining methods for ga…
- 705.5 Polyethylene (PE) Sewer Pipe. Polyethylene (PE)
- 705.6 PVC and PVC Co-Extruded Plastic Pipe and
- 705.7 Stainless Steel Pipe and Joints. Joining methods for sta…
- 705.8 Vitrified Clay Pipe and Joints. Joining methods
- 705.9 Special Joints. Special joints shall comply with Section…
- 705.10 Joints Between Various Materials. Joints
- 706.1 Approved Fittings. Changes in the direction of
- 706.2 Horizontal to Vertical. Horizontal drainage lines,
- 706.3 Horizontal to Horizontal. Horizontal drainage lines
- 706.4 Vertical to Horizontal. Vertical drainage lines connecti…
- 707.1 Plug. Each cleanout fitting for cast-iron pipe shall con…
- 707.2 Approved. Each cleanout fitting and each cleanout
- 707.3 Watertight and Gastight. Cleanouts shall be
- 707.4 Location. Each horizontal drainage pipe shall be provide…
- 707.5 Cleaning. Each cleanout shall be installed so that it
- 707.6 Extension. Each cleanout extension shall be considered a…
- 707.7 Interceptor. Each cleanout for an interceptor shall be
- 707.8 Access. Each cleanout, unless installed under an
- 707.9 Clearance. Each cleanout in piping 2 inches (50 mm)
- 707.10 Fittings. Cleanout fittings shall be not less in size
- 707.11 Pressure Drainage Systems. Cleanouts shall be
- 707.12 Countersunk Cleanout Plugs. Countersunk
- 707.13 Hubless Blind Plugs. Where a hubless blind plug
- 707.14 Trap Arms. Cleanouts for trap arms shall be installed
- 708.1 General. Building drain and other horizontal drainage
- 709.1 General. Where practicable, plumbing fixtures shall
- 710.1 Backflow Protection. Fixtures installed on a floor
- 710.2 Sewage Discharge. Drainage piping serving fixtures that …
- 710.3 Sewage Ejector and Pumps. A sewage ejector or
- 710.4 Discharge Line. The discharge line from such ejector, pu…
- 710.5 Size of Building Drains and Sewers. Building
- 710.6 Backwater Valves. Backwater valves, gate valves,
- 710.7 Drainage and Venting Systems. The drainage and
- 710.8 Sump and Receiving Tank Construction. Sumps
- 710.9 Alarm. Such sumps and receiving tanks shall be automatic…
- 710.10 Sump and Receiving Tank Covers and Vents.
- 710.11 Air Tanks. Air tanks shall be so proportioned as to be
- 710.12 Grinder Pump Ejector. Grinder pumps shall be
- 710.13 Macerating Toilet Systems and Pumped
- 711.1 General. Drainage connections shall not be made into
- 712.1 Media. The piping of the plumbing, drainage, and venting…
- 712.2 Water Test. The water test shall be applied to the
- 712.3 Air Test. The air test shall be made by attaching an
- 713.1 Where Required. A building in which plumbing fixtures ar…
- 713.2 Private Sewage Disposal System. Where no public sewer in…
- 713.3 Public Sewer. Within the limits prescribed by Section 71…
- 713.4 Public Sewer Availability. The public sewer shall
- 713.5 Permit. No permit shall be issued for the installation,
- 713.6 Lot. On every lot or premises hereafter connected to
- 713.7 Installation. In cities, counties, or both where the
- 714.1 Unlawful Practices. It shall be unlawful for a person to…
- 714.2 Prohibited Water Discharge. No rain, surface, or
- 714.3 Prohibited Sewer Connection. No cesspool, septic tank, s…
- 714.4 Commercial Food Waste Disposer. The Authority Having Jur…
- 714.5 Tanks. An approved type, watertight sewage or wastewater…
- 715.1 Materials. The building sewer, beginning 2 feet (610
- 715.2 Joining Methods and Materials. Joining methods
- 715.3 Existing Sewers. Where permitted by the Authority
- 716.1 General. Pipe, brick, block, prefabricated septic
- 717.1 General. The minimum size of a building sewer shall
- 717.2 Meat and Poultry Processing Plants. [AGR] The
- 718.1 Slope. Building sewers shall be run in practical alignme…
- 718.2 Support. Building sewer piping shall be laid on a firm
- 718.3 Protection from Damage. No building sewer or
- 719.1 Locations. Cleanouts shall be placed inside the building…
- 719.2 No Additional Cleanouts. Where a building sewer
- 719.3 Building Sewer Cleanouts. Required building
- 719.4 Cleaning. Each cleanout shall be installed so that it
- 719.5 Access. Cleanouts installed under concrete or asphalt
- 719.6 Manholes. Approved manholes shall be permitted to
- 720.1 General. Building sewers or drainage piping of clay
- 721.1 Building Sewer. Except as provided in Section 721.2,
- 721.2 Abutting Lot. Nothing contained in this code shall be
- 722.1 Building (House) Sewer. An abandoned building
- 722.2 Cesspools, Septic Tanks, and Seepage Pits. A
- 722.3 Filling. The top cover or arch over the cesspool, septic…
- 722.4 Ownership. No person owning or controlling a
- 722.5 Disposal Facilities. Where disposal facilities are
- 723.1 General. Building sewers shall be tested by plugging
- 724.1 The drainage and plumbing systems must permit the
- 724.2 Toilet soil lines shall be separated from house drainage
- 726.1 The outer premises of every official establishment,
- 726.2 Toilet soil lines shall be separated from house drainage
- 727.1 For new acute care hospital buildings submitted after the
- 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 STANDARDS
- 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
- Appendix N — IMPACT OF WATER TEMPERATURE ON THE POTENTIAL FOR …
- Appendix O — NON-SEWERED SANITATION SYSTEMS
- Appendix P — PROFESSIONAL QUALIFICATIONS
- Appendix Q — INDOOR HORTICULTURAL FACILITIES
- Appendix R — TINY HOUSES
- Appendix S — ONSITE STORMWATER TREATMENT SYSTEMS