What are the grease trap requirements in Orange, CA?

Food service establishments in Orange must install and maintain grease traps or interceptors per local FOG ordinances. The city follows the Uniform Plumbing Code (UPC).

What size grease trap do I need for my restaurant in Orange?

Grease trap sizing depends on your establishment's flow rate, number of fixtures, and local code requirements. Adequately sized per FOG Control Program Manager approval. Use our free sizing calculator for a recommendation.

Grease Trap Requirements
Orange, CA

Q: Do I need a grease trap permit in Orange?

Yes, a FOG permit is required in Orange. Fee: Annual grease disposal mitigation fee for FSEs without interceptors (amount varies).

FOG compliance regulations for food service establishments in Orange, California.

Periodically

Pumping Freq.

Required

Permit

Yes

25% Rule

UPC

Code Base

Pumping Requirements

Frequency Periodically; grease removed from interceptors must be waste-hauled

25% Rule Applies

Permits & Enforcement

Permit Required Required

Permit Fee Annual grease disposal mitigation fee for FSEs without interceptors (amount varies)

Complete FOG Regulations

Minimum Trap Size	Adequately sized per FOG Control Program Manager approval
Pumping Frequency	Periodically; grease removed from interceptors must be waste-hauled
25% Rule	Yes — trap must be pumped when grease and solids reach 25% of capacity
Permit Required	Yes
Permit Fee	Annual grease disposal mitigation fee for FSEs without interceptors (amount varies)
Inspections	Per FOG Control Program Manager schedule
Record Keeping	Required — maintain pumping logs and manifests on-site
Plumbing Code	Uniform Plumbing Code (UPC)
Ordinance Ref.	City of Orange Municipal Code Chapter 13.66 - Fats, Oils and Grease (FOG) Regulations
Authority	City of Orange FOG Control Program Manager; Orange County Sanitation District (OC San)

Additional Notes

FOG wastewater discharge permit required since January 1, 2005. Existing FSEs with potential to impact sewer system must install grease interceptors within 180 days. Discharge of wastewater exceeding 140°F to any grease control device is prohibited. Biological additives for grease remediation require prior authorization. Conditional waivers from interceptor installation may be granted by FOG Control Program Manager. FSEs undergoing remodeling or change in operations must install interceptors. OC San FOG permit costs approximately $206 for a two-year period.

Regulations change frequently. Always verify current requirements with your local wastewater authority or plumbing inspector before making compliance decisions. Last updated: March 2026.