What are the grease trap requirements in Mesa, AZ?

Food service establishments in Mesa 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 Mesa?

Yes, a FOG permit is required in Mesa. Fee: Industrial User Permit required; contact City of Mesa for fee.

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

Grease trap sizing depends on your establishment's flow rate, number of fixtures, and local code requirements. Per Mesa Ordinance 3434 and Industrial User Permit specifications. Use our free sizing calculator for a recommendation.

Grease Trap Requirements
Mesa, AZ

FOG compliance regulations for food service establishments in Mesa, Arizona. Serving 8,992 food service establishments.

Every 90 days or when FOG/soli

Pumping Freq.

Required

Permit

Yes

25% Rule

IPC

Code Base

Pumping Requirements

Frequency Every 90 days or when FOG/solids reach 25% capacity, whichever is first

25% Rule Applies

Permits & Enforcement

Permit Required Required

Permit Fee Industrial User Permit required; contact City of Mesa for fee

Max Fine Administrative penalties per Mesa City Code; escalating enforcement

Complete FOG Regulations

Minimum Trap Size	Per Mesa Ordinance 3434 and Industrial User Permit specifications
Pumping Frequency	Every 90 days or when FOG/solids reach 25% capacity, whichever is first
25% Rule	Yes — trap must be pumped when grease and solids reach 25% of capacity
Permit Required	Yes
Permit Fee	Industrial User Permit required; contact City of Mesa for fee
Maximum Fine	Administrative penalties per Mesa City Code; escalating enforcement
Inspections	Routine and unannounced inspections by city officials
Record Keeping	Required — maintain pumping logs and manifests on-site
Plumbing Code	International Plumbing Code (IPC)
Ordinance Ref.	Mesa City Ordinance No. 3434; Mesa Code Title 8 Ch. 6
Authority	City of Mesa Industrial Pretreatment Program

Additional Notes

Records must be maintained for minimum 3 years. ADEQ also monitors compliance. Arizona follows IPC-based plumbing code.

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