What are the grease trap requirements in Oxnard, CA?

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

Do I need a grease trap permit in Oxnard?

Yes, a FOG permit is required in Oxnard.

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

Grease trap sizing depends on your establishment's flow rate, number of fixtures, and local code requirements. Use our free sizing calculator for a recommendation.

Grease Trap Requirements
Oxnard, CA

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

As required to maintain compli

Pumping Freq.

Required

Permit

Yes

25% Rule

UPC

Code Base

Pumping Requirements

Frequency As required to maintain compliance; minimum every 6 months per California state mandate

25% Rule Applies

Permits & Enforcement

Permit Required Required

Complete FOG Regulations

Pumping Frequency	As required to maintain compliance; minimum every 6 months per California state mandate
25% Rule	Yes — trap must be pumped when grease and solids reach 25% of capacity
Permit Required	Yes
Record Keeping	Required — maintain pumping logs and manifests on-site
Plumbing Code	Uniform Plumbing Code (UPC)
Ordinance Ref.	Oxnard City Code Section 19-35 (Pretreatment Facilities)
Authority	City of Oxnard Wastewater Division; Public Works Department

Additional Notes

Oxnard implements an NPDES-required Industrial Pretreatment Program. Wastewater pretreatment ensures discharge meets local, state, and federal limits. Wastewater Discharge permit process governs FSE compliance. California State Water Resources Control Board mandates all sewer agencies have comprehensive FOG reduction and management programs. Contact Wastewater Division at (805) 271-2200 for permit details.

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