What are the grease trap requirements in Puyallup, WA?

Food service establishments in Puyallup 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 Puyallup?

Yes, a FOG permit is required in Puyallup.

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

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
Puyallup, WA

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

When FOG/solids reach 25% of o

Pumping Freq.

Required

Permit

Yes

25% Rule

UPC

Code Base

Pumping Requirements

Frequency When FOG/solids reach 25% of overall liquid depth; may petition for modified frequency

25% Rule Applies

Permits & Enforcement

Permit Required Required

Complete FOG Regulations

Pumping Frequency	When FOG/solids reach 25% of overall liquid depth; may petition for modified frequency
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.	Puyallup Municipal Code Chapter 14.06 (Sewer Use Ordinance); Chapter 14.08 (Sewer System Regulations)
Authority	City of Puyallup Public Works Department

Additional Notes

All drain lines must have permanently fixed screens with maximum 1/4-inch openings. Frequency increases to monthly if solids/grease exceed 25% capacity. Facilities may petition the administrator to modify cleaning frequency by demonstrating 25% was never exceeded in a 12-month period. Commercial food service establishments prohibited from using food grinders. FOG sources requiring interceptor connection include pre-rinse sinks, dishwashing sinks, wok stoves, self-cleaning hood exhausts, floor drains, mop sinks, food prep sinks, and hand sinks. Enforcement actions apply for failures causing blockage or POTW impacts.

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