What are the grease trap requirements in Tacoma, WA?

Food service establishments in Tacoma 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 Tacoma?

Grease trap sizing depends on your establishment's flow rate, number of fixtures, and local code requirements. Sizes referenced in local code: 500, 1000, 75 gallons. Use our free sizing calculator for a recommendation.

Grease Trap Requirements
Tacoma, WA

FOG compliance regulations for food service establishments in Tacoma, Washington. Serving 1,703 food service establishments.

Must be pumped when grease and

Pumping Freq.

Check locally

Permit

Yes

25% Rule

UPC

Code Base

Pumping Requirements

Frequency Must be pumped when grease and solids reach 25% of interceptor capacity

25% Rule Applies

Permits & Enforcement

Permit Required Contact authority

Complete FOG Regulations

Minimum Trap Size	Sizes referenced in local code: 500, 1000, 75 gallons
Pumping Frequency	Must be pumped when grease and solids reach 25% of interceptor capacity
25% Rule	Yes — trap must be pumped when grease and solids reach 25% of capacity
Permit Required	Contact authority
Record Keeping	Check local requirements
Plumbing Code	Uniform Plumbing Code (UPC)
Ordinance Ref.	Chapter 12.08.060; section 301.2; section 702.1; Chapter 7; section 702.1

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