Minneapolis Restaurant Grease Trap Requirements

Minneapolis Local Grease Trap Regulations

The Minneapolis Health Department requires all food service establishments generating significant cooking waste to install and maintain grease interceptors sized according to kitchen volume and fixture count. Grease traps must be pumped and cleaned by licensed waste haulers at intervals determined by the Health Department—typically every 1–3 months depending on usage. Minneapolis Code Chapter 343 mandates that grease trap discharge cannot exceed 150 mg/L of FOG before entering the municipal sewer system. Restaurants must maintain service records and make them available during health inspections. Violations can result in operational restrictions or permit suspension.

Minnesota State Requirements & Maintenance Standards

Minnesota Pollution Control Agency (MPCA) rules under Minnesota Rules 7001 require grease traps to be properly sized, installed by licensed contractors, and regularly serviced. The state defines maintenance frequency based on trap capacity and kitchen output—commercial kitchens typically require pumping every 30–90 days. Grease trap waste must be disposed of at approved facilities; dumping into drains or sewers is prohibited. Minnesota also mandates that food establishments maintain detailed maintenance logs including pump-out dates, waste volumes, and contractor information. These records must be retained for a minimum of three years and presented to regulatory inspectors upon request.

How Minneapolis & Minnesota Requirements Differ from Federal Standards

Federal environmental standards under the EPA and Clean Water Act establish baseline FOG discharge limits but do not mandate specific grease trap maintenance schedules—those are set by states and municipalities. Minneapolis is more prescriptive than federal law, requiring documented pumping schedules and lower FOG thresholds (150 mg/L locally vs. general EPA guidance). Minnesota's state regulations are stricter than federal minimums and include waste disposal tracking requirements that federal law does not mandate. Local Minneapolis ordinances supersede state minimums, so restaurants must follow whichever standard is most stringent. Failure to comply with local rules can result in fines up to $1,000+ per violation and sewage discharge fees.

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