Chapter 17 — REFERENCED STANDARDS
1701.2 Standards, Publications, Practices, and
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.
Guides. The standards, publications, practices, and guides listed in Table 1701.2 are not referenced in other sections of
this code. The application of the referenced standards, publi
cations, practices, and guides shall be as specified in Section 301.2.2. The promulgating agency acronyms are found at the end of the tables.
TABLE 1701.2
| STANDARDS, PUBLICATIONS, PRACTICES, AND GUIDES | ||
|---|---|---|
| DOCUMENT NUMBER | DOCUMENT TITLE | APPLICATION |
| AHAM | AHAM | AHAM |
| AHAM FWD-1-2016 | Food Waste Disposers | Appliances |
| ARCSA | ARCSA | ARCSA |
| ARCSA/ASPE 78-2015 | Stormwater Harvesting System Design for Direct End-Use Applications | Miscellaneous |
| ASABE | ASABE | ASABE |
| ASABE/ICC 802-2014 | Landscape Irrigation Sprinkler and Emitter Standard | Irrigation |
| ASCE | ASCE | ASCE |
| ASCE 25-2016 | Earthquake-Actuated Automatic Gas Shutoff Devices | Fuel Gas |
| ASHRAE | ASHRAE | ASHRAE |
| ASHRAE/IES 90.1-2019 | Energy Standard for Buildings Except Low-Rise Residential Buildings | Miscellaneous |
| ASHRAE/IES 90.2-2018 | Energy-Efficient Design of Low-Rise Residential Buildings | Miscellaneous |
| ASHRAE 188-2021 | Legionellosis: Risk Management for Building Water Systems | Risk Management |
| ASHRAE Guideline 12- 2020 |
Managing the Risk of Legionellosis Associated with Building Water Systems | Risk Management |
| ASME | ASME | ASME |
| ASME A13.1-2020 | Scheme for the Identification of Piping Systems | Piping |
| ASME A112.4.3-1999 (R2019) |
Plastic Fittings for Connecting Water Closets to the Sanitary Drainage System | Fittings |
| ASME A112.19.10-2017 | Retrofit Dual Flush Devices for Water Closets | Fixtures |
| ASME A112.21.3M-1985 (R2017) |
Hydrants for Utility and Maintenance Use | Valves |
| ASME B1.20.3-1976 (R2018) |
Dryseal Pipe Threads (Inch) | Joints |
| ASME B16.39-2019 | Malleable Iron Threaded Pipe Unions: Classes 150, 250 and 300 | Fittings |
| ASME B16.40-2019 | Manually Operated Thermoplastic Gas Shutoffs and Valves in Gas Distribution Sys- tems |
Valves |
| ASME B31.1-2020 | Power Piping | Piping |
| ASME B36.19M-2018 | Stainless Steel Pipe | Piping, Ferrous |
| ASME BPVC Section IV- 2021 |
Rules for Construction of Heating Boilers | Miscellaneous |
| ASPE | ASPE | ASPE |
| ARCSA/ASPE 78-2015 | Stormwater Harvesting System Design for Direct End-Use Applications | Miscellaneous |
| WQA/ASPE/ANSI S-803- 2017 |
Sustainable Drinking Water Treatment Systems | Miscellaneous |
| ASSE | ASSE | ASSE |
| ASSE 1017-2009 | Temperature Actuated Mixing Valves for Hot Water Distribution Systems | Valves |
| ASSE 1066-1997 | Individual Pressure Balancing In-Line Valves for Individual Fixture Fittings | Valves |
| ASSE 1082-2018 | Water Heaters with Integral Temperature Control Devices for Hot Water Distribution Systems |
Appliances |
| ASSE 1086-2020 | Reverse Osmosis Water Efficiency – Drinking Water | Appliances |
| ASSE/IAPMO/ANSI 5110- 2015 |
Backflow Prevention Assembly Testers | Professional Qualifications |
352 2025 CALIFORNIA PLUMBING CODE
REFERENCED STANDARDS
TABLE 1701.2 (continued) STANDARDS, PUBLICATIONS, PRACTICES, AND GUIDES
| DOCUMENT NUMBER | DOCUMENT TITLE | APPLICATION |
|---|---|---|
| ASSE/IAPMO/ANSI 5120- 2015 |
Cross-Connection Control Surveyors | Professional Qualifications |
| ASSE/IAPMO/ANSI 5130- 2015 |
Backflow Prevention Assembly Repairers | Professional Qualifications |
| ASSE/IAPMO/ANSI 5140- 2015 |
Fire Protection System Cross-Connection Control Tester | Professional Qualifications |
| ASSE/IAPMO/ANSI 5150- 2015 |
Backflow Prevention Program Administrators | Professional Qualifications |
| ASSE/IAPMO/ANSI Series 6000-2021 |
Professional Qualifications Standard for Medical Gas Systems Personnel | Professional Qualifications |
| ASSE/IAPMO/ANSI 6015- 2021 |
Bulk Medical Gas/Cryogenic Fluid Central Supply Systems Installers | Professional Qualifications |
| ASSE/IAPMO/ANSI 6040- 2021 |
Medical Gas Systems Maintenance Personnel | Professional Qualifications |
| ASSE/IAPMO/ANSI 7010- 2020 |
Installers of Residential Potable Water Fire Sprinkler Systems for One- and Two- Family Dwellings |
Professional Qualifications |
| ASSE/IAPMO/ANSI 7020- 2020 |
Inspectors of Residential Potable Water Fire Sprinkler Systems for One- and Two- Family Dwellings |
Professional Qualifications |
| ASSE/IAPMO/ANSI Series 12000-2021 |
Professional Qualifications Standard for Water Management and Infection Control Risk Assessment for Building Systems |
Professional Qualifications |
| ASSE/IAPMO/ANSI 12020-2021 |
Environment of Care, Infection Control and Construction Risk Assessment Profes- sional Qualification Standard for Construction and Maintenance Employers |
Professional Qualifications |
| ASSE/IAPMO/ANSI 12060-2021 |
Water Quality Program Professional Qualifications Standard for Employers and Des- ignated Representatives |
Professional Qualifications |
| ASSE/IAPMO/ANSI 12061-2021 |
Water Quality Program Professional Qualifications Standard for Plumbers | Professional Qualifications |
| ASSE/IAPMO/ANSI 12062-2021 |
Water Quality Program Professional Qualifications Standard for Pipefitters and HVAC Technicians |
Professional Qualifications |
| ASSE/IAPMO/ANSI 12063-2021 |
Water Quality Program Professional Qualifications Standard for Sprinkler Fitters | Professional Qualifications |
| ASSE/IAPMO/ANSI 12080-2021 |
Professional Qualifications Standard for Legionella Water Safety and Management Specialist |
Professional Qualifications |
| ASSE/IAPMO/ANSI Series 13000-2015 (R2020) |
Service Plumber and Residential Mechanical Service Technician Professional Quali- fications Standard |
Professional Qualifications |
| ASSE/IAPMO/ANSI 13010-2015 (R2020) |
Professional Qualifications Standard for the Service Plumber | Professional Qualifications |
| ASSE/IAPMO/ANSI Series 16000-2019 |
Professional Qualifications Standard for Inspectors and Plans Examiners | Professional Qualifications |
| ASSE/IAPMO/ANSI 16010-2019 |
Plumbing Inspector | Professional Qualifications |
| ASSE/IAPMO/ANSI 16040-2019 |
Plumbing Plan Examiner | Professional Qualifications |
| ASSE/ARCSA/IAPMO/ ANSI Series 21000-2017 |
Rainwater Catchment Systems Personnel | Professional Qualifications |
| ASSE/IAPMO/ANSI 21110-2017 |
Rainwater Catchment Systems Installers | Professional Qualifications |
| ASSE/IAPMO/ANSI 21120-2017 |
Rainwater Catchment Systems Designers | Professional Qualifications |
| ASSE/IAPMO/ANSI 21130-2017 |
Inspectors of Rainwater and Stormwater Catchment Systems | Professional Qualifications |
| ASTM | ASTM | ASTM |
| ASTM A48/A48M-2003 (R2021) |
Standard Specification for Gray Iron Castings | Piping, Ferrous |
REFERENCED STANDARDS
TABLE 1701.2 (continued) STANDARDS, PUBLICATIONS, PRACTICES, AND GUIDES
| DOCUMENT NUMBER | DOCUMENT TITLE | APPLICATION |
|---|---|---|
| ASTM A126-2004 (R2019) | Standard Specification for Gray Iron Castings for Valves, Flanges, and Pipe Fittings | Piping, Ferrous |
| ASTM A377-2018 | Standard Index of Specifications for Ductile Iron Pressure Pipe | Piping, Ferrous |
| ASTM A479/A479M-2020 | Standard Specification for Stainless Steel Bars and Shapes for Use in Boilers and Other Pressure Vessels |
Piping, Ferrous |
| ASTM A536-1984 (R2019)e1 |
Standard Specification for Ductile Iron Castings | Piping, Ferrous |
| ASTM A733-2016 | Standard Specification for Welded and Seamless Carbon Steel and Austenitic Stain- less Steel Pipe Nipples |
Piping, Ferrous |
| ASTM A1045-2010 (R2021) |
Standard Specification for Flexible Poly (Vinyl Chloride) (PVC) Gaskets used in Connection of Vitreous China Plumbing Fixtures to Sanitary Drainage Systems |
Piping, Plastic |
| ASTM B29-2019 | Standard Specification for Refined Lead | Joints |
| ASTM B370-2012 (R2019) | Standard Specification for Copper Sheet and Strip for Building Construction | Miscellaneous |
| ASTM B687-1999 (R2016) | Standard Specification for Brass, Copper, and Chromium-Plated Pipe Nipples | Piping, Copper Alloy |
| ASTM C14-2020 | Standard Specification for Nonreinforced Concrete Sewer, Storm Drain, and Culvert Pipe |
Piping, Non-Metallic |
| ASTM C412-2019 | Standard Specification for Concrete Drain Tile | Piping, Non-Metallic |
| ASTM C443-2021 | Standard Specification for Joints for Concrete Pipe and Manholes, Using Rubber Gaskets | Joints |
| ASTM C444-2021 | Standard Specification for Perforated Concrete Pipe | Piping, Non-Metallic |
| ASTM C478/C478M-2020 | Standard Specification for Circular Precast Reinforced Concrete Manhole Sections | Miscellaneous |
| ASTM C1227-2020 | Standard Specification for Precast Concrete Septic Tanks | DWV Components |
| ASTM C1440-2021 | Standard Specification for Thermoplastic Elastomeric (TPE) Gasket Materials for Drain, Waste, and Vent (DWV), Sewer, Sanitary and Storm Plumbing Systems |
Joints |
| ASTM D1784-2020 | Standard Classification System and Basis for Specifications for Rigid Poly (Vinyl Chloride) (PVC) Compounds and Chlorinated Poly (Vinyl Chloride) (CPVC) Com- pounds |
Piping, Plastic |
| ASTM D2321-2020 | Standard Practice for Underground Installation of Thermoplastic Pipe for Sewers and Other Gravity-Flow Applications |
Piping, Plastic |
| ASTM D2517-2018 | Standard Specification for Reinforced Epoxy Resin Gas Pressure Pipe and Fittings | Piping, Plastic |
| ASTM D2657-2007 (R2015) | Standard Practice for Heat Fusion Joining of Polyolefin Pipe and Fittings | Joints |
| ASTM D2774-2021a | Standard Practice for Underground Installation of Thermoplastic Pressure Piping | Piping, Plastic |
| ASTM D2855-2020 | Standard Practice for the Two-Step (Primer and Solvent Cement) Method of Joining Poly (Vinyl Chloride) (PVC) or Chlorinated Poly (Vinyl Chloride) (CPVC) Pipe and Piping Components with Tapered Sockets |
Joints |
| ASTM D3122-2015 | Standard Specification for Solvent Cement for Styrene-Rubber (SR) Plastic Pipe and Fittings |
Joints |
| ASTM D3311-2017 (R2021) | Standard Specification for Drain, Waste, and Vent (DWV) Plastic Fittings Patterns | Fittings |
| ASTM F402-2018 | Standard Practice for Safe Handling of Solvent Cements, Primers, and Cleaners Used for Joining Thermoplastic Pipe and Fittings |
Joints |
| ASTM F480-2014 | Standard Specification for Thermoplastic Well Casing Pipe and Couplings Made in Standard Dimension Ratios (SDR), SCH 40 and SCH 80 |
Piping, Plastic |
| ASTM F810-2012 (R2018) | Standard Specification for Smoothwall Polyethylene (PE) Pipe for Use in Drainage and Waste Disposal Absorption Fields |
Piping, Plastic |
| ASTM F949-2020 | Standard Specification for Poly (Vinyl Chloride) (PVC) Corrugated Sewer Pipe with a Smooth Interior and Fittings |
Piping, Plastic |
| ASTM F1476-2007 (R2019) | Standard Specification for Performance of Gasketed Mechanical Couplings for Use in Piping Applications |
Joints |
| ASTM F1499-2017 | Standard Specification for Coextruded Composite Drain, Waste, and Vent Pipe (DWV) |
Piping, Plastic |
354 2025 CALIFORNIA PLUMBING CODE
REFERENCED STANDARDS
TABLE 1701.2 (continued) STANDARDS, PUBLICATIONS, PRACTICES, AND GUIDES
| DOCUMENT NUMBER | DOCUMENT TITLE | APPLICATION |
|---|---|---|
| ASTM F1743-2017 | Standard Practice for Rehabilitation of Existing Pipelines and Conduits by Pulled-in- Place Installation of Cured-in-Place Thermosetting Resin Pipe (CIPP) |
Piping, Plastic |
| ASTM F1924-2019 | Standard Specification for Plastic Mechanical Fittings for Use on Outside Diameter Controlled Polyethylene Gas Distribution Pipe and Tubing |
Fittings |
| ASTM F1948-2020 | Standard Specification for Metallic Mechanical Fittings for Use on Outside Diameter Controlled Thermoplastic Gas Distribution Pipe and Tubing |
Fittings |
| ASTM F2165-2019 | Standard Specification for Flexible Pre-Insulated Piping | Piping, Plastic |
| ASTM F2206-2019 | Standard Specification for Fabricated Fittings of Butt-Fused Polyethylene (PE) | DWV Components |
| ASTM F2306/F2306M- 2021 |
Standard Specification for 12 to 60 in. [300 to 1500 mm] Annular Corrugated Profile- Wall Polyethylene (PE) Pipe and Fittings for Gravity-Flow Storm Sewer and Subsurface Drainage Applications |
Piping, Plastic |
| AWS | AWS | AWS |
| AWS B2.4-2012 | Welding Procedure and Performance Qualification for Thermoplastics | Joints, Certification |
| AWWA | AWWA | AWWA |
| AWWA C203-2020 | Coal-Tar Protective Coatings and Linings for Steel Water Pipe | Miscellaneous |
| AWWA C213-2015 | Fusion-Bonded Epoxy Coatings and Linings for Steel Water Pipe and Fittings | Miscellaneous |
| AWWA C215-2016 | Extruded Polyolefin Coatings for Steel Water Pipe | Miscellaneous |
| CFR | CFR | CFR |
| 10 CFR 430 | Energy Conservation Program for Consumer Products | Energy Conservation |
| 10 CFR 431.106 | Uniform Test Method for The Measurement of Energy Efficiency of Commercial Water Heating Equipment |
Water Heating Equipment |
| 49 CFR 192 | Transportation of Natural and Other Gas by Pipeline: Minimum Federal Standards | Miscellaneous |
| CGA | CGA | CGA |
| CGA C-9-2019 | Standard Color Marking of Compressed Gas Containers for Medical Use | Miscellaneous |
| CGA S-1.3-2020 | Pressure Relief Device Standards-Part 3-Stationary Storage Containers for Com- pressed Gases |
Fuel Gas |
| CGA V-1-2021 | Compressed Gas Cylinder Valve Outlet and Inlet Connections | Valves |
| CSA | CSA | CSA |
| CSA A257 Series-2019 | Standards for Concrete Pipe and Manhole Sections | Piping |
| CSA B55.2-2020 | Drain Water Heat Recovery Units | Miscellaneous |
| CSA B64.7-2021 | Laboratory Faucet Vacuum Breakers (LFVB) | Backflow Protection |
| CSA B66-2021 | Design, Material, and Manufacturing Requirements for Prefabricated Septic Tanks and Sewage Holding Tanks |
DWV Components |
| CSA B128.1-2006/B128.2- 2006 (R2016) |
Design and Installation of Non-Potable Water Systems/Maintenance and Field Test- ing of Non-Potable Water Systems |
Miscellaneous |
| CAN/CSA B356-2010 (R2020) |
Water Pressure Reducing Valves for Domestic Water Supply Systems | Valves |
| CAN/CSA G401-2014 (R2019) |
Corrugated Steel Pipe Products | Piping, Ferrous |
| ANSI Z21.12b-1994 (R2020) |
Draft Hoods | Fuel Gas, Appliances |
| CSA Z21.13-2017 | Gas-Fired Low-Pressure Steam and Hot Water Boilers (same as CSA 4.9) | Fuel Gas, Appliances |
| ANSI Z21.81a-2007/ CSA 6.25a-2007 (R2020) |
Cylinder Connection Devices | Fuel Gas |
| CSA Z21.86-2016 | Vented Gas-Fired Space Heating Appliances (same as CSA 2.32) | Fuel Gas, Appliances |
REFERENCED STANDARDS
TABLE 1701.2 (continued) STANDARDS, PUBLICATIONS, PRACTICES, AND GUIDES
| DOCUMENT NUMBER | DOCUMENT TITLE | APPLICATION |
|---|---|---|
| ANSI Z83.11-2016 (R2021)/CSA 1.8-2016 (R2021) |
Gas Food Service Equipment | Fuel Gas, Appliances |
| CSA Z317.1-2021 | Special Requirements for Plumbing Installations in Health Care Facilities | Miscellaneous |
| ENERGY STAR | ENERGY STAR | ENERGY STAR |
| Energy Star-2007 | Program Requirements for Commercial Ice Machines | Miscellaneous |
| Energy Star-2012 (version 2.0) |
Program Requirements Product Specification for Commercial Dishwashers | Appliances |
| Energy Star-2016 (version 6.0) |
Program Requirements for Residential Dishwashers | Appliances |
| Energy Star-2018 (version 8.0) |
Program Requirements Product specification for Clothes Washers (effective February 5, 2018) |
Appliances |
| EPA | EPA | EPA |
| EPA/600/R-12/618-2012 | Guidelines for Water Reuse | Miscellaneous |
| EPA WaterSense-2007 | High-Efficiency Lavatory Faucet Specification | Fixtures |
| EPA WaterSense-2009 | Specification for Flushing Urinals | Fixtures |
| EPA WaterSense-2014 | Specification for Tank-Type Toilets | Fixtures |
| EPA WaterSense-2015 | Specification for Flushometer-Valve Water Closets | Fixtures |
| EPA WaterSense-2017 | Specification for Spray Sprinkler Bodies | Miscellaneous |
| EPA WaterSense-2018 | Specification for Showerheads | Fixtures |
| EPA WaterSense-2021 | Specification for Soil Moisture-Based Irrigation Controllers | Irrigation |
| EPA WaterSense-2021 | Specification for Weather-Based Irrigation Controllers | Irrigation |
| IAPMO | IAPMO | IAPMO |
| ASSE/IAPMO/ANSI 5110- 2015 |
Backflow Prevention Assembly Testers | Professional Qualifications |
| ASSE/IAPMO/ANSI 5120- 2015 |
Cross-Connection Control Surveyors | Professional Qualifications |
| ASSE/IAPMO/ANSI 5130- 2015 |
Backflow Prevention Assembly Repairers | Professional Qualifications |
| ASSE/IAPMO/ANSI 5140- 2015 |
Fire Protection System Cross-Connection Control Tester | Professional Qualifications |
| ASSE/IAPMO/ANSI 5150- 2015 |
Backflow Prevention Program Administrators | Professional Qualifications |
| ASSE/IAPMO/ANSI 6015- 2021 |
Bulk Medical Gas/Cryogenic Fluid Central Supply Systems Installers | Professional Qualifications |
| ASSE/IAPMO/ANSI 6040- 2021 |
Medical Gas Systems Maintenance Personnel | Professional Qualifications |
| ASSE/IAPMO/ANSI 7010- 2020 |
Installers of Residential Potable Water Fire Sprinkler Systems for One- and Two- Family Dwellings |
Professional Qualifications |
| ASSE/IAPMO/ANSI 7020- 2020 |
Inspectors of Residential Potable Water Fire Sprinkler Systems for One- and Two- Family Dwellings |
Professional Qualifications |
| ASSE/IAPMO/ANSI Series 12000-2021 |
Professional Qualifications Standard for Water Management and Infection Control Risk Assessment for Building Systems |
Professional Qualifications |
| ASSE/IAPMO/ANSI 12020-2021 |
Environment of Care, Infection Control and Construction Risk Assessment Profes- sional Qualification Standard for Construction and Maintenance Employers |
Professional Qualifications |
| ASSE/IAPMO/ANSI 12060-2021 |
Water Quality Program Professional Qualifications Standard for Employers and Des- ignated Representatives |
Professional Qualifications |
| ASSE/IAPMO/ANSI 12061-2021 |
Water Quality Program Professional Qualifications Standard for Plumbers | Professional Qualifications |
356 2025 CALIFORNIA PLUMBING CODE
REFERENCED STANDARDS
TABLE 1701.2 (continued) STANDARDS, PUBLICATIONS, PRACTICES, AND GUIDES
| DOCUMENT NUMBER | DOCUMENT TITLE | APPLICATION |
|---|---|---|
| ASSE/IAPMO/ANSI 12062-2021 |
Water Quality Program Professional Qualifications Standard for Pipefitters and HVAC Technicians |
Professional Qualifications |
| ASSE/IAPMO/ANSI 12063-2021 |
Water Quality Program Professional Qualifications Standard for Sprinkler Fitters | Professional Qualifications |
| ASSE/IAPMO/ANSI 12080-2021 |
Professional Qualifications Standard for Legionella Water Safety and Management Specialist |
Professional Qualifications |
| ASSE/IAPMO/ANSI Series 13000-2015 (R2020) |
Service Plumber and Residential Mechanical Service Technician Professional Quali- fications Standard |
Professional Qualifications |
| ASSE/IAPMO/ANSI 13010-2015 (R2020) |
Professional Qualifications Standard for the Service Plumber | Professional Qualifications |
| ASSE/IAPMO/ANSI Series 16000-2019 |
Professional Qualifications Standard for Inspectors and Plans Examiners | Professional Qualifications |
| ASSE/IAPMO/ANSI 16010-2019 |
Plumbing Inspector | Professional Qualifications |
| ASSE/IAPMO/ANSI 16040-2019 |
Plumbing Plan Examiner | Professional Qualifications |
| ASSE/ARCSA/IAPMO/ ANSI Series 21000-2017 |
Rainwater Catchment Systems Personnel | Professional Qualifications |
| ASSE/IAPMO/ANSI 21110-2017 |
Rainwater Catchment Systems Installers | Professional Qualifications |
| ASSE/IAPMO/ANSI 21120-2017 |
Rainwater Catchment Systems Designers | Professional Qualifications |
| ASSE/IAPMO/ANSI 21130-2017 |
Inspectors of Rainwater and Stormwater Catchment Systems | Professional Qualifications |
| ANSI/CAN/IAPMO/ISO 30500-2019 |
Non-Sewered Sanitation Systems - Prefabricated Integrated Treatment Units - Gen- eral Safety and Performance Requirements for Design and Testing |
Miscellaneous |
| IAPMO IGC 67-2014e1 | Specialized ABS and PVC DWV Fittings | DWV Components |
| IAPMO IGC 193-2020 | Safety Plates, Plate Straps, Notched Plates and Safety Collars | Miscellaneous |
| IAPMO IGC 226-2019 | Drinking Water Fountains with or Without Chiller or Heater | Fixtures |
| IAPMO IGC 244-2021 | Tub and Shower Flow-Reduction Systems | Valves |
| IAPMO IGC 262-2020 | Corrugated Thermoplastic Tanks | DWV Components |
| IAPMO IGC 267-2015e1 | Hydrants Without Integral Backflow Preventers | Valves |
| IAPMO IGC 276-2019 | Bundled Expanded Polystyrene (EPS) Synthetic Aggregate Units | DWV Components |
| IAPMO IGC 315-2016 | Water Manifold Systems | Fittings |
| IAPMO IGC 327-2016 | Flexible Metallic Expansion Joints for Pressure Systems | Joints |
| IAPMO IGC 330-2018 | Recirculating Shower Systems | Fixtures |
| IAPMO IGC 332-2017a | Hydronic Radiators | Miscellaneous |
| IAPMO IGC 352-2020e1 | Diverter Valves for use in Alternate Nonpotable Water Source System | Valves |
| IAPMO IS 26-2019e2 | Trenchless Insertion of Polyethylene (PE) Pipe for Sewer Laterals | Piping |
| IAPMO PS 1-2019 | Tank Risers | DWV Components |
| IAPMO PS 23-2021 | Dishwasher Drain Airgaps | Backflow Protection |
| IAPMO PS 25-2019 | Metallic Fittings Joining Polyethylene Pipe for Water Service and Yard Piping | Joints |
| IAPMO PS 34-2019 | Encasement Sleeves for Potable Water Pipe and Tubing | Piping |
| IAPMO PS 36-2014el | Lead-Free Sealing Compounds for Threaded Joints | Joints |
| IAPMO PS 37-2019 | Black Plastic PVC or PE Pressure Sensitive Corrosion Preventive Tape | Miscellaneous |
| IAPMO PS 42-2013e1 | Pipe Alignment and Secondary Support Systems | Miscellaneous |
| IAPMO PS 50-2019 | Flush Valves with Dual Flush Device for Water Closets or Water Closet Tanks with Integral Flush Valves with a Dual Flush Device |
Fixtures |
REFERENCED STANDARDS
TABLE 1701.2 (continued) STANDARDS, PUBLICATIONS, PRACTICES, AND GUIDES
| DOCUMENT NUMBER | DOCUMENT TITLE | APPLICATION |
|---|---|---|
| IAPMO PS 51-2021 | Expansion Joints and Flexible Expansion Joints for DWV Piping Systems | Joints |
| IAPMO PS 52-2021 | Pump/Dose, Sumps and Sewage Ejector Tanks with or without a Pump | DWV Components |
| IAPMO PS 54-2021a | Metallic and Plastic Utility Boxes | Miscellaneous |
| IAPMO PS 59-2016ae2 | Wastewater Diverter/Bypass Valves and Diversion Systems | Fittings |
| IAPMO PS 63-2019 | Plastic Leaching Chambers | DWV Components |
| IAPMO PS 64-2012ae1 | Roof Pipe Flashings | Miscellaneous |
| IAPMO PS 67-2019 | Early-Closure Replacement Flappers or Early Replacement Flapper with Mechanical Assemblies |
Fixtures |
| IAPMO PS 69-2019 | Bathwaste and Overflow Assemblies with Tub Filler Spout | DWV Components |
| IAPMO PS 73-2015 | Dental Liquid-Ring Vacuum Pumps | Miscellaneous |
| IAPMO PS 79-2019 | Multiport Electronic Trap Primers | DWV Components |
| IAPMO PS 81-2019 | Precast Concrete Seepage Pit Liners and Covers | DWV Components |
| IAPMO PS 85-2019 | Tools for Mechanically Formed Tee Connections in Copper Tubing | Miscellaneous |
| IAPMO PS 86-2019 | Rainwater Diverter Valves for Non-Roofed Area Slabs | DWV Components |
| IAPMO PS 91-2019 | Plastic Stabilizers for Use with Plastic Closet Bends | DWV Components |
| IAPMO PS 92-2013e1 | Heat Exchangers and Indirect Water Heaters | Miscellaneous |
| IAPMO PS 94-2012e1 | Insulated Protectors for P-Traps, Supply Stops and Risers | Miscellaneous |
| IAPMO PS 95-2018e3 | Pipe Support Hangers and Hooks | DWV Components |
| IAPMO PS 101-2019 | Suction Relief Valves | Valves |
| IAPMO PS 110-2019 | PVC Cold Water Compression Fittings | Fittings |
| IAPMO PS 111-2019 | PVC Cold Water Gripper Fittings | Fittings |
| IAPMO PS 112-2019 | PVC Plastic Valves for Cold Water Distribution Systems Outside a Building and CPVC Plastic Valves for Hot and Cold Water Distribution Systems |
Valves |
| IAPMO PS 115-2019 | Hot Water On-Demand or Automatic Activated Hot Water Pumping Systems | Miscellaneous |
| IAPMO PS 119-2012ae3 | Water-Powered Sump Pumps | Miscellaneous |
| IAPMO/ANSI Z124.7-2013 (R2018) |
Prefabricated Plastic Spa Shells | Fixtures, Swimming Pools, Spas, and Hot Tubs |
| IAPMO/ANSI Z124.8- 2013e2 (R2018) |
Plastic Liners for Bathtubs and Shower Receptors | Fixtures |
| IAPMO/ANSI Z1000-2019 | Prefabricated Septic Tanks | DWV Components |
| ICC | ICC | ICC |
| ASABE/ICC 802-2014 | Landscape Irrigation Sprinkler and Emitter Standard | Irrigation |
| ISO | ISO | ISO |
| ANSI/CAN/IAPMO/ISO 30500-2019 |
Non-Sewered Sanitation Systems - Prefabricated Integrated Treatment Units - General Safety and Performance Requirements for Design and Testing |
Miscellaneous |
| MSS | MSS | MSS |
| MSS SP-25-2018 | Standard Marking System for Valves, Fittings, Flanges, and Unions | Miscellaneous |
| MSS SP-42-2013 | Corrosion-Resistant Gate, Globe, Angle, and Check Valves with Flanged and Butt Weld Ends (Classes 150, 300, & 600) |
Piping, Ferrous |
| MSS SP-44-2019 | Steel Pipeline Flanges | Fittings |
| MSS SP-83-2018 | Class 3000 and 6000 Pipe Unions, Socket Welding and Threaded (Carbon Steel, Alloy Steel, Stainless Steels, and Nickel Alloys) |
Joints |
| MSS SP-104-2018 | Wrought Copper, Solder-Joint Pressure Fittings | Fittings |
| MSS SP-106-2019 | Cast Copper Alloy Flanges and Flanged Fittings: Class 125, 150, and 300 | Fittings |
| MSS SP-109-2018 | Weld-Fabricated, Copper Solder-Joint Pressure Fittings | Fittings |
358 2025 CALIFORNIA PLUMBING CODE
REFERENCED STANDARDS
TABLE 1701.2 (continued) STANDARDS, PUBLICATIONS, PRACTICES, AND GUIDES
| DOCUMENT NUMBER | DOCUMENT TITLE | APPLICATION |
|---|---|---|
| MSS SP-123-2018 | Non-Ferrous Threaded and Solder-Joint Unions for Use with Copper Water Tube | Joints |
| NFPA | NFPA | NFPA |
| NFPA 13R-2022 | Standard for the Installation of Sprinkler Systems in Low-Rise Residential Occupan- cies |
Miscellaneous |
| NFPA 80-2022 | Standard for Fire Doors and Other Opening Protectives | Miscellaneous |
| NFPA 501A-2021 | Standard for Fire Safety Criteria for Manufactured Home Installations, Sites, and Communities |
Miscellaneous |
| NFPA 1981-2019 | Standard on Open-Circuit Self-Contained Breathing Apparatus (SCBA) for Emer- gency Services |
Miscellaneous |
| NFPA 1989-2019 | Standard on Breathing Air Quality for Emergency Services Respiratory Protection | Miscellaneous |
| NFPA 5000-2021 | Building Construction and Safety Code | Miscellaneous |
| NSF | NSF | NSF |
| NSF/ANSI 2-2019 | Food Equipment | Appliances |
| NSF/ANSI 4-2020 | Commercial Cooking, Rethermalization, and Powered Hot Food Holding and Trans- portation Equipment |
Appliances |
| NSF/ANSI 5-2019 | Water Heaters, Hot Water Supply Boilers, and Heat Recovery Equipment | Appliances |
| NSF/ANSI 12-2018 | Automatic Ice Making Equipment | Appliances |
| NSF/ANSI 18-2020 | Manual Food and Beverage Dispensing Equipment | Appliances |
| NSF/ANSI 29-2021 | Detergent and Chemical Feeders for Commercial Spray-Type Dishwashing Machines | Appliances |
| NSF/ANSI 40-2020 | Residential Wastewater Treatment Systems | DWV Components |
| NSF/ANSI 41-2018 | Non-Liquid Saturated Treatment Systems | DWV Components |
| NSF/ANSI 46-2021 | Evaluation of Components and Devices Used in Wastewater Treatment Systems | DWV Components |
| NSF/ANSI/CAN 60-2021 | Drinking Water Treatment Chemicals - Health Effects | Water Treatment |
| NSF/ANSI 169-2020 | Special Purpose Food Equipment and Devices | Appliances |
| NSF/ANSI/CAN 372-2020 | Drinking Water System Components - Lead Content | Miscellaneous |
| SAE | SAE | SAE |
| SAE J512-1997 | Automotive Tube Fittings | Fittings |
| SAE J1670-2008 | Type “F” Clamps for Plumbing Applications | Joints |
| TCNA | TCNA | TCNA |
| TCNA A118.10-2014 (R2019) |
Load Bearing, Bonded, Waterproof Membranes for Thin-Set Ceramic Tile and Dimension Stone Installation |
Miscellaneous |
| UL | UL | UL |
| UL 70-2001 | Septic Tanks, Bituminous-Coated Metal | DWV Components |
| UL 80-2007 | Steel Tanks for Oil-Burner Fuels and Other Combustible Liquids (with revisions through April 26, 2019) |
Fuel Gas |
| UL 144-2021 | LP-Gas Regulators (with revisions through August 26, 2021) | Fuel Gas |
| UL 252-2017 | Compressed Gas Regulators (with revisions through August 10, 2018) | Fuel Gas |
| UL 296-2017 | Oil Burners (with revisions through January 8, 2021) | Fuel Gas, Appliances |
| UL 404-2010 | Gauges, Indicating Pressure, for Compressed Gas Service (with revisions through February 11, 2015) |
Fuel Gas |
| UL 429-2013 | Electrically Operated Valves (with revisions through March 19, 2021) | Valves |
| UL 536-2021 | Flexible Metallic Hose | Fuel Gas |
REFERENCED STANDARDS
TABLE 1701.2 (continued) STANDARDS, PUBLICATIONS, PRACTICES, AND GUIDES
| DOCUMENT NUMBER | DOCUMENT TITLE | APPLICATION |
|---|---|---|
| UL 563-2009 | Ice Makers (with revisions through May 26, 2021) | Appliances |
| UL 569-2013 | Pigtails and Flexible Hose Connectors for LP-Gas (with revisions through July 28, 2017) | Fuel Gas |
| UL 726-1995 | Oil-Fired Boiler Assemblies (with revisions through October 9, 2013) | Fuel Gas, Appliances |
| UL 1206-2003 | Electric Commercial Clothes-Washing Equipment (with revisions through June 14, 2021) |
Appliances |
| UL 1331-2005 | Station Inlets and Outlets (with revisions through February 5, 2020) | Medical Gas |
| UL 1795-2016 | Hydromassage Bathtubs (with revisions through December 8, 2017) | Fixtures |
| UL 1951-2011 | Electric Plumbing Accessories (with revisions through June 27, 2020) | Miscellaneous |
| UL 2157-2018 | Electric Clothes Washing Machines and Extractors (with revisions through September 20, 2019) |
Appliances |
| WQA | WQA | WQA |
| WQA S-300-2000 | Point-of-Use Low-Pressure Reverse Osmosis Drinking Water Systems | Appliances |
| WQA/ASPE/ANSI S-803- 2017 |
Sustainable Drinking Water Treatment Systems | Miscellaneous |
360 2025 CALIFORNIA PLUMBING CODE
REFERENCED STANDARDS
ABBREVIATIONS IN TABLE 1701.1 AND TABLE 1701.2
AHAM Association of Home Appliance Manufacturers, 1111 19th Street, NW, Suite 402, Washington, DC 20036.
AAMI Association for the Advancement of Medical Instrumentation, 901 N. Glebe Road, Suite 300, Arlington, VA 22203.
ANSI American National Standards Institute, Inc., 25 W. 43rd Street, 4th Floor, New York, NY 10036.
ARCSA American Rainwater Catchment Systems Association, 6101 Long Prairie Road, Suite 744, PMB 251, Flower Mound, TX 75028.
ASABE American Society of Agricultural and Biological Engineers, 2950 Niles Road, Street Joseph, MI 49085.
ASCE American Society of Civil Engineers, 1801 Alexander Bell Drive, Reston, VA 20191-4400.
ASHRAE American Society of Heating, Refrigerating, and Air Conditioning Engineers, Inc., 1791 Tullie Circle, NE, Atlanta, GA 30329-2305.
ASME American Society of Mechanical Engineering, Two Park Avenue, New York, NY 10016-5990.
ASPE American Society of Plumbing Engineers, 6400 Shafer Court, Suite 350, Rosemont, IL 60018.
ASSE American Society of Sanitary Engineering, 18927 Hickory Creek Drive, Suite 220, Mokena, IL 60448.
ASSP American Society of Safety Professionals, 520 N. Northwest Highway, Park Ridge, IL 60068.
ASTM ASTM International, 100 Barr Harbor Drive, West Conshohocken, PA 19428-2959.
AWS American Welding Society, 8669 NW 36 Street, #130 Miami, FL 33166-6672.
AWWA American Water Works Association, 6666 W. Quincy Avenue, Denver, CO 80235.
CFR Code of Federal Regulations, U.S Government Publishing Office, 723 North Capitol Street, N.W. Washington, DC 20401-001
CGA Compressed Gas Association, 14501 George Carter Way, Suite 103, Chantilly, VA 20151.
CISPI Cast-Iron Soil Pipe Institute, 2401 Fieldcrest Drive, Mundelein, IL 60060.
CSA Canadian Standards Association, 178 Rexdale Boulevard, Toronto, Ontario, Canada, M9W 1R3.
DOE U.S. Department of Energy, Forrestal Building, 1000 Independence Avenue, SW, Washington, DC 20585.
e1 An editorial change since the last revision or reapproval.
ENERGY STAR 1200 Pennsylvania Avenue, N.W., Washington, D.C. 20460.
EPA U.S. Environmental Protection Agency, Office of Wastewater Management (4204M), 1200 Pennsylvania Avenue, N.W., Washington, D.C. 20460.
IAPMO International Association of Plumbing and Mechanical Officials, 4755 E. Philadelphia Street, Ontario, CA 91761.
ICC International Code Council, 500 New Jersey Avenue, NW, 6th Floor, Washington, DC 20001.
ISEA International Safety Equipment Association, 1901 N. Moore Street, Suite 808, Arlington, VA 22209-1762.
ISO International Organization for Standardization, 1 ch. de la Voie-Creuse, Casa Postale 56, CH-1211 Geneva 20, Switzerland.
MSS Manufacturers Standardization Society of the Valve and Fittings Industry, 127 Park Street, NE, Vienna, VA 22180.
NFPA National Fire Protection Association, 1 Batterymarch Park, Quincy, MA 02169-7471.
NSF NSF International, 789 N. Dixboro Road, Ann Arbor, MI 48105.
PDI Plumbing and Drainage Institute, 800 Turnpike Street, Suite 300, North Andover, MA 01845.
SAE Society of Automotive Engineers, 400 Commonwealth Drive, Warrendale, PA 15096.
TCNA Tile Council of North America, Inc. 100 Clemson Research Blvd., Anderson, SC 29625.
UL Underwriters Laboratories, Inc., 333 Pfingsten Road, Northbrook, IL 60062.
WQA Water Quality Association, 4151 Naperville Road, Lisle, IL 60532-3696.
WSC Water Systems Council, 1101 30th Street, NW, Suite 500, Washington, D.C. 20007.
362 2025 CALIFORNIA PLUMBING CODE
APPENDICES
The appendices are intended to supplement the provisions of the installation requirements of this code. The definitions in Chapter 2 are also applicable to the appendices.
TABLE OF CONTENTS
Page Appendix A
Appendix B
Appendix C
Appendix D
Appendix E
Appendix F
Appendix G
Appendix H
Appendix I
Appendix J
Appendix K
Appendix L
Appendix M
Appendix N
TABLE OF CONTENTS (continued)
Appendix O
Appendix P
Appendix Q
Appendix R
Appendix S
364 2025 CALIFORNIA PLUMBING CODE
CALIFORNIA PLUMBING CODE – MATRIX ADOPTION TABLE
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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
- 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