What are the grease trap requirements in Billerica, MA?

Food service establishments in Billerica 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 Billerica?

Yes, a FOG permit is required in Billerica. Fee: $600 (commercial new construction/renovation sewer permit).

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

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
Billerica, MA

FOG compliance regulations for food service establishments in Billerica, Massachusetts.

Monthly (internal grease traps

Pumping Freq.

Required

Permit

Yes

25% Rule

IPC

Code Base

Pumping Requirements

Frequency Monthly (internal grease traps); Every 90 days (external grease traps)

25% Rule Applies

Permits & Enforcement

Permit Required Required

Permit Fee $600 (commercial new construction/renovation sewer permit)

Complete FOG Regulations

Pumping Frequency	Monthly (internal grease traps); Every 90 days (external grease traps)
25% Rule	Yes — trap must be pumped when grease and solids reach 25% of capacity
Permit Required	Yes
Permit Fee	$600 (commercial new construction/renovation sewer permit)
Inspections	Annual inspection by licensed plumber required
Record Keeping	Required — maintain pumping logs and manifests on-site
Plumbing Code	International Plumbing Code (IPC)
Ordinance Ref.	Town of Billerica Sanitary Sewer Rules and Regulations (2024 update)
Authority	Town of Billerica Department of Public Works / Water Resource Recovery Facility

Additional Notes

All existing FSEs with ware wash sink or machine must install internal grease trap at minimum, plus external/secondary grease trap. Internal traps cleaned monthly; external traps at least every 3 months. Annual plumber inspection required. Massachusetts state guideline: clean upon reaching 25% rule or at least every 3 months. Tank pumping slip must be submitted with as-built drawing. Contact: Engineering Division, 978-671-1300.

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