What are the grease trap requirements in Indianapolis, IN?

Food service establishments in Indianapolis 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 Indianapolis?

Yes, a FOG permit is required in Indianapolis. Fee: No separate FOG permit fee; covered under sanitary sewer discharge requirements.

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

Grease trap sizing depends on your establishment's flow rate, number of fixtures, and local code requirements. 1,000 gallons minimum for exterior grease interceptors; interior grease traps sized per plumbing code (typically 20-50 GPM). Use our free sizing calculator for a recommendation.

Grease Trap Requirements
Indianapolis, IN

FOG compliance regulations for food service establishments in Indianapolis, Indiana. Serving 2,220 food service establishments.

At minimum every 90 days

Pumping Freq.

Required

Permit

Yes

25% Rule

IPC (Indiana uses IPC as base plumbing code with state amendments)

Code Base

Pumping Requirements

Frequency At minimum every 90 days; facilities may request alternative schedules with documentation

25% Rule Applies

Permits & Enforcement

Permit Required Required

Permit Fee No separate FOG permit fee; covered under sanitary sewer discharge requirements

Max Fine $10,000 per day per violation

Complete FOG Regulations

Minimum Trap Size	1,000 gallons minimum for exterior grease interceptors; interior grease traps sized per plumbing code (typically 20-50 GPM)
Pumping Frequency	At minimum every 90 days; facilities may request alternative schedules with documentation
25% Rule	Yes — trap must be pumped when grease and solids reach 25% of capacity
Permit Required	Yes
Permit Fee	No separate FOG permit fee; covered under sanitary sewer discharge requirements
Maximum Fine	$10,000 per day per violation
Inspections	Annually by Citizens Energy Group; more frequent for non-compliant facilities
Record Keeping	Required — maintain pumping logs and manifests on-site
Plumbing Code	IPC (Indiana uses IPC as base plumbing code with state amendments)
Ordinance Ref.	Indianapolis-Marion County Revised Code Chapter 671 - Sewage Disposal; Citizens Energy Group Sewer Use Rules and FOG Program
Authority	Citizens Energy Group (manages Indianapolis sewer system), Industrial Pretreatment Program

Additional Notes

Citizens Energy Group operates the FOG program for the Indianapolis area. All FSEs must have grease interceptors. Kitchen waste including dishwashers must flow through the interceptor. Automatic grease removal devices are allowed with prior approval. Maintenance records must be retained for at least 3 years.

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