Ch. 10 Traps and Interceptors — 2025 California Plumbing Code
California Plumbing Code (Title 24, Part 5) · 2025 edition · updated 2026-10-19 · California
CBSC: official editions, supplements and errata
Italicized text is a California amendment to the model code, as printed in the official publication.
Sections in this part
- 1001.1 Applicability.
- 1001.2 Where Required.
- 1002.1 Vent Pipes.
- 1002.2 Fixture Traps.
- 1002.3 Change of Direction.
- 1002.4 Vent Pipe Opening.
- 1003.1 General Requirements.
- 1003.2 Slip Joint Fittings.
- 1003.3 Size.
- 1004.1 Prohibited.
- 1004.2 Movable Parts.
- 1005.1 General.
- 1006.1 General.
- 1007.1 General.
- 1007.2 Trap Seal Primers.
- 1008.1 General.
- 1009.1 Where Required.
- 1009.2 Approval.
- 1009.3 Design.
- 1009.4 Relief Vent.
- 1009.5 Location.
- 1009.6 Maintenance of Interceptors.
- 1009.7 Discharge.
- 1010.1 General.
- 1010.2 Meat and Poultry Processing Plants. [AGR]
- 1010.3 Collection Centers and Facilities.
- 1010.4 Horse Meat and Pet Food Establishments.
- 1010.5 Draining and Plumbing.
- 1011.1 General.
- 1012.1 General.
- 1013.1 General.
- 1014.1 General.
- 1014.2 Hydromechanical Grease Interceptors.
- 1014.3 Gravity Grease Interceptors.
- 1015.1 Purpose.
- 1015.2 Components, Materials, and Equipment.
- 1015.3 Sizing and Installation.
- 1015.4 Performance.
- 1015.5 [OSHPD 1, 1R, 2, 3, 4 & 5]
- 1015.6 [OSHPD 1, 1R, 2, 3, 4 & 5]
- 1016.1 Discharge.
- 1016.2 Authority Having Jurisdiction.
- 1016.3 Construction and Size.
- 1016.4 Separate Use.
- 1017.1 Interceptors Required.
- 1017.2 Interceptor Design Alternatives.
- 1017.3 Interceptor Details.
- 1017.4 Design of Interceptors.
Cite as: 2025 California Plumbing Code (Title 24, Part 5) Chapter 10 · Effective January 1, 2026 · Official source: Building Standards Commission
(Matrix Adoption Tables are non-regulatory, intended only as an aid to the code user. See Chapter 1 for state agency authority and building applications.)
| Adopting Agency | BSC | BSC-CG | SFM | HCD 1 | HCD 2 | HCD 1-AC | DSA AC | DSA SS | DSA SS/CC | OSHPD 1 | OSHPD 1R | OSHPD 2 | OSHPD 3 | OSHPD 4 | OSHPD 5 | OSHPD 6 | BSCC | DPH | AGR | DWR | CEC | CA | SL | SLC |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Adopt Entire Chapter | X | X | X | |||||||||||||||||||||
| Adopt Entire Chapter as amended (amended sections listed below) | X | X | X | X | X | X | X | X | X | |||||||||||||||
| Adopt only those sections that are listed below | ||||||||||||||||||||||||
| Chapter/ |
||||||||||||||||||||||||
| 1003.1 Exception 2 | X | X | ||||||||||||||||||||||
| 1010.2 | X | |||||||||||||||||||||||
| 1010.3 | X | |||||||||||||||||||||||
| 1010.4 | X | |||||||||||||||||||||||
| 1010.5 | X | |||||||||||||||||||||||
| 1014.1A, B, C | X | X | X | X | X | X | ||||||||||||||||||
| 1015.5 | X | X | X | X | X | X | ||||||||||||||||||
| 1015.6 | X | X | X | X | X | X |
This state agency does not adopt sections identified with the following symbol: The Office of the State Fire Marshal’s adoption of this chapter or individual sections is applicable to structures regulated by other state agencies pursuant to Section 1.11.0.
CHAPTER 10
TRAPS AND INTERCEPTORS
1001.0 General.¶
1002.0 Traps Protected by Vent Pipes.¶
1003.0 Traps – Described.¶
1004.0 Traps.¶
1005.0 Trap Seals.¶
1006.0 Floor Drain Traps.¶
1007.0 Trap Seal Protection.¶
1008.0 Building Traps.¶
1009.0 Interceptors (Clarifiers) and Separators.¶
1010.0 Slaughterhouses, Packing Establishments, etc.¶
etc.
1011.0 Minimum Requirements for Auto Wash Racks.¶
1012.0 Commercial and Industrial Laundries.¶
1013.0 Bottling Establishments.¶
1014.0 Grease Interceptors.¶
1015.0 FOG (Fats, Oils, and Greases) Disposal System.¶
1015.0 FOG (Fats, Oils, and Greases) Disposal Sys- tem.
1016.0 Sand Interceptors.¶
1017.0 Oil and Flammable Liquid Interceptors.¶
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