What are the grease trap requirements in Corona, CA?

Food service establishments in Corona 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 Corona?

Yes, a FOG permit is required in Corona. Fee: Unknown - set by city resolution; see Corona Dept of Water and Power fee schedule.

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

Grease trap sizing depends on your establishment's flow rate, number of fixtures, and local code requirements. Per California Plumbing Code; minimum 750 gallons for gravity interceptors. Use our free sizing calculator for a recommendation.

Grease Trap Requirements
Corona, CA

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

Minimum every 6 months

Pumping Freq.

Required

Permit

Yes

25% Rule

UPC

Code Base

Pumping Requirements

Frequency Minimum every 6 months; per 25% rule if sooner

25% Rule Applies

Permits & Enforcement

Permit Required Required

Permit Fee Unknown - set by city resolution; see Corona Dept of Water and Power fee schedule

Max Fine Unknown - enforcement actions include cost recovery for sewer damage

Complete FOG Regulations

Minimum Trap Size	Per California Plumbing Code; minimum 750 gallons for gravity interceptors
Pumping Frequency	Minimum every 6 months; per 25% rule if sooner
25% Rule	Yes — trap must be pumped when grease and solids reach 25% of capacity
Permit Required	Yes
Permit Fee	Unknown - set by city resolution; see Corona Dept of Water and Power fee schedule
Maximum Fine	Unknown - enforcement actions include cost recovery for sewer damage
Inspections	Periodic self-monitoring program with city oversight
Record Keeping	Required — maintain pumping logs and manifests on-site
Plumbing Code	Uniform Plumbing Code (UPC)
Ordinance Ref.	Corona Municipal Code Chapter 13.14 (Water and Sewer Regulations)
Authority	City of Corona Department of Water and Power

Additional Notes

Part of the Western Riverside County Regional Wastewater Authority (WRCRWA) service area. Self-monitoring program where companies focus on responsible discharge practices. Detailed cleaning log required with date, servicer, and FOG volume removed.

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