Raleigh Grease Trap Compliance Checklist for Restaurants

Raleigh Grease Trap Installation & Sizing Requirements

Raleigh requires all food service establishments to install grease traps or interceptors sized according to the International Plumbing Code (IPC) and adopted by the North Carolina State Plumbing Code. Traps must be sized based on peak hourly flow and fixture drain lines from cooking areas, dishwashers, and pre-rinse sinks. Installation must be approved by the City of Raleigh's Building & Development Services before operation begins. Illegal or undersized systems result in automatic violations and mandatory corrective action orders. Verify your system's sizing documentation and keep installation permits accessible during inspections.

Monthly & Quarterly Maintenance Inspection Items

Food service operators must conduct visual inspections every month and document grease buildup levels, drain flow, and structural integrity. Check for grease accumulation that exceeds 25% of trap depth (local requirement enforced during health department inspections). Ensure inlet and outlet pipes are clear and baffles are intact—deteriorated baffles allow grease and solids to pass into sewer lines. Verify trap covers are secure and properly sealed to prevent pest entry and odors. Record all inspections with dates and corrective actions taken; the City of Raleigh Health & Human Services Division expects these logs during routine compliance audits.

Common Violations & Corrective Actions to Avoid

The most frequent grease trap violations in Raleigh include failure to pump systems on schedule, exceeding maximum grease depth, and using chemical additives that violate state water quality rules. Never pour grease directly down drains or allow staff to bypass the trap system; this triggers both health department violations and potential sewer system damage citations from the City. Grease trap cleaning must be performed by licensed waste removal contractors—keep receipts and certification documents for at least 3 years. Non-compliance results in escalating fines, operational restrictions, and potential legal action by Raleigh's Environmental Services Division.

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