What are the grease trap requirements in Gilbert, AZ?

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

Do I need a grease trap permit in Gilbert?

Yes, a FOG permit is required in Gilbert. Fee: Contact Development Services at (480) 503-6700.

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

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

Grease Trap Requirements
Gilbert, AZ

FOG compliance regulations for food service establishments in Gilbert, Arizona.

Per 25% rule

Pumping Freq.

Required

Permit

Yes

25% Rule

IPC

Code Base

Pumping Requirements

Frequency Per 25% rule; regular maintenance required

25% Rule Applies

Permits & Enforcement

Permit Required Required

Permit Fee Contact Development Services at (480) 503-6700

Max Fine Per Gilbert Code of Ordinances enforcement provisions

Complete FOG Regulations

Minimum Trap Size	Per Gilbert sizing worksheet and UPC/IPC requirements
Pumping Frequency	Per 25% rule; regular maintenance required
25% Rule	Yes — trap must be pumped when grease and solids reach 25% of capacity
Permit Required	Yes
Permit Fee	Contact Development Services at (480) 503-6700
Maximum Fine	Per Gilbert Code of Ordinances enforcement provisions
Inspections	Periodic inspections by town staff
Record Keeping	Required — maintain pumping logs and manifests on-site
Plumbing Code	International Plumbing Code (IPC)
Ordinance Ref.	Town of Gilbert Ordinance No. 1066; Gilbert Code of Ordinances
Authority	Town of Gilbert Development Services – Wastewater Pretreatment

Additional Notes

Arizona follows IPC-based plumbing code. Gravity grease interceptor sizing worksheet available from the Town. Food-service businesses must have properly sized, professionally maintained grease traps.

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