What are the grease trap requirements in Billings, MT?

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

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

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

Grease Trap Requirements
Billings, MT

FOG compliance regulations for food service establishments in Billings, Montana.

Check locally

Pumping Freq.

Check locally

Permit

Check locally

25% Rule

UPC

Code Base

Pumping Requirements

Frequency Contact local authority

25% Rule Check locally

Permits & Enforcement

Permit Required Contact authority

Complete FOG Regulations

Pumping Frequency	Contact local authority for requirements
25% Rule	Check with local authority
Permit Required	Contact authority
Record Keeping	Check local requirements
Plumbing Code	Uniform Plumbing Code (UPC)
Ordinance Ref.	Section 26-604; Section 26-606

Additional Notes

Best Management Practices (BMP) program referenced

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