What are the grease trap requirements in Fort Collins, CO?

Food service establishments in Fort Collins 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 Fort Collins?

Yes, a FOG permit is required in Fort Collins. Fee: Unknown - set by Fort Collins Utilities.

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

Grease trap sizing depends on your establishment's flow rate, number of fixtures, and local code requirements. 500 gallons (gravity interceptor for food preparation areas). Use our free sizing calculator for a recommendation.

Grease Trap Requirements
Fort Collins, CO

FOG compliance regulations for food service establishments in Fort Collins, Colorado.

As needed

Pumping Freq.

Required

Permit

Check locally

25% Rule

IPC

Code Base

Pumping Requirements

Frequency As needed; must pump before FOG/solids exceed 33% of inlet chamber capacity

25% Rule Check locally

Permits & Enforcement

Permit Required Required

Permit Fee Unknown - set by Fort Collins Utilities

Max Fine Unknown - significant penalties per municipal code; city paid $900K state fine for sewer issues

Complete FOG Regulations

Minimum Trap Size	500 gallons (gravity interceptor for food preparation areas)
Pumping Frequency	As needed; must pump before FOG/solids exceed 33% of inlet chamber capacity
25% Rule	Check with local authority
Permit Required	Yes
Permit Fee	Unknown - set by Fort Collins Utilities
Maximum Fine	Unknown - significant penalties per municipal code; city paid $900K state fine for sewer issues
Inspections	Periodic - Fort Collins Utilities conducts routine grease interceptor inspections
Record Keeping	Required — maintain pumping logs and manifests on-site
Plumbing Code	International Plumbing Code (IPC)
Ordinance Ref.	Fort Collins Municipal Code Chapter 26, Article IV (Wastewater); South Fort Collins Sanitation District FOG Program
Authority	Fort Collins Utilities / South Fort Collins Sanitation District

Additional Notes

Uses a 33% capacity rule rather than the standard 25% rule. Facilities must maintain interceptor in continuously efficient operating condition. Complete removal of all contents required at pumping.

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