What are the grease trap requirements in Bellevue, WA?

Food service establishments in Bellevue 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 Bellevue?

Yes, a FOG permit is required in Bellevue.

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

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
Bellevue, WA

FOG compliance regulations for food service establishments in Bellevue, Washington.

Check locally

Pumping Freq.

Required

Permit

Yes

25% Rule

UPC

Code Base

Pumping Requirements

Frequency Contact local authority

25% Rule Applies

Permits & Enforcement

Permit Required Required

Complete FOG Regulations

Pumping Frequency	Contact local authority for requirements
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.	Bellevue City Code BCC 24.04.213; King County Municipal Code
Authority	Bellevue Utilities / King County Wastewater Treatment Division

Additional Notes

All restaurants, cafes, and FOG-producing establishments must have appropriate pretreatment devices. Trap type depends on facility volume: high-volume (full-menu restaurants, hotels, school kitchens) require Gravity Grease Interceptor (GGI); low-volume (fast-food, take-out) require Hydromechanical Grease Interceptor (HGI). FOG levels should not regularly exceed 25% of tank capacity. Subject to King County Metro FOG discharge limit of 100 mg/L.

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