What are the grease trap requirements in Scottsdale, AZ?

Food service establishments in Scottsdale 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 Scottsdale?

Yes, a FOG permit is required in Scottsdale. Fee: Per city permit fee schedule (contact Planning & Development).

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

Grease trap sizing depends on your establishment's flow rate, number of fixtures, and local code requirements. HGI: 50 gal/100 lb only (for 4 or fewer food prep fixtures); Gravity interceptor: minimum 500 gallons. Use our free sizing calculator for a recommendation.

Grease Trap Requirements
Scottsdale, AZ

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

Regular basis

Pumping Freq.

Required

Permit

Yes

25% Rule

IPC

Code Base

Pumping Requirements

Frequency Regular basis; varies by restaurant size and food volume

25% Rule Applies

Permits & Enforcement

Permit Required Required

Permit Fee Per city permit fee schedule (contact Planning & Development)

Max Fine Per municipal code violation penalties

Complete FOG Regulations

Minimum Trap Size	HGI: 50 gal/100 lb only (for 4 or fewer food prep fixtures); Gravity interceptor: minimum 500 gallons
Pumping Frequency	Regular basis; varies by restaurant size and food volume
25% Rule	Yes — trap must be pumped when grease and solids reach 25% of capacity
Permit Required	Yes
Permit Fee	Per city permit fee schedule (contact Planning & Development)
Maximum Fine	Per municipal code violation penalties
Inspections	Regular inspections by Water Quality Department
Record Keeping	Required — maintain pumping logs and manifests on-site
Plumbing Code	International Plumbing Code (IPC)
Ordinance Ref.	Scottsdale City Ordinance #4550, Resolution #12501; Amended 2021 IPC (including Appendices B and E)
Authority	City of Scottsdale Water Quality Department / Planning & Development

Additional Notes

HGI (50 gal/100 lb) only allowed for 4 or fewer food prep fixtures. Any facility with a dishwasher must install gravity grease interceptor. Flow restriction valve required upstream of HGI. Sizing per Ordinance #4550/Resolution #12501 and 2021 IPC. Additives prohibited per city policy.

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