Grease Trap Requirements
New Bedford, MA

FOG compliance regulations for food service establishments in New Bedford, Massachusetts.

Monthly or when FOG/sludge rea
Pumping Freq.
Required
Permit
Yes
25% Rule
IPC
Code Base

Pumping Requirements

Frequency Monthly or when FOG/sludge reaches 25% of effective depth, whichever comes first
25% Rule Applies

Permits & Enforcement

Permit Required Required
Permit Fee Annual fee added to water bill (amount not publicly listed)

Complete FOG Regulations

Minimum Trap Size Per MA DEP 310 CMR 15.230 standards; under-sink traps may be less than 75 gallons
Pumping Frequency Monthly or when FOG/sludge reaches 25% of effective depth, whichever comes first
25% Rule Yes — trap must be pumped when grease and solids reach 25% of capacity
Permit Required Yes
Permit Fee Annual fee added to water bill (amount not publicly listed)
Inspections Weekly self-inspection required; annual professional inspection for small under-sink traps
Record Keeping Required — maintain pumping logs and manifests on-site
Plumbing Code International Plumbing Code (IPC)
Ordinance Ref. City of New Bedford FOG Program; MA DEP 310 CMR 15.230; 248 CMR 10.09
Authority City of New Bedford Department of Public Infrastructure, FOG Division; Department of Inspectional Services

Additional Notes

FOG permit valid for 3 years. All grease traps must be inspected weekly and cleaned monthly minimum. Establishments with under-sink traps (<75 gal) may self-inspect weekly but require annual professional cleaning by licensed hauler permitted by Health Department. Records of cleaning, inspections, hauling, and maintenance must be kept on file for 3 years. Discharge of wastewater exceeding 140°F to any grease control device is prohibited. At least one trained employee must be on duty at all times. Clean-up spill stations with grease absorbent pads required.

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

Contact Information

Phone (508) 979-1550

Department of Public Infrastructure FOG Division: (508) 979-1550

Official Sources

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