About Grease Traps

A grease trap is typically small and located under or near a sink. it should be cleaned regularly based on your establishment's needs. Cleaning the trap is a simple procedure that can take little time. Traps can be cleaned by in-house staff or by a licensed grease hauler or recycler. The interval between cleaning depends on the individual establishment. A good rule of thumb is to clean the trap weekly. If the trap is more than 50% full of solids when cleaned weekly, increase the frequency of cleaning. Management should witness or inspect the cleaning to ensure it is done properly.

Cleaning Grease Traps

Always follow the cleaning requirements outlined in Part 29: Section 29.3.5 PDF document. Generally, this includes:

  • Stopping all flow to the trap.
  • Removing the trap cover.
  • Scooping out any FOGS on the top.
  • Bailing out any water in the trap.
  • Removing baffles.
  • Scraping the sides, lid and baffles. Putting FOG into a FOG waste container.
  • Recording the volumne of FOG revmoved and date on the Maintenance Log For Cleaning XLS document. Keep this log on-site for 2 years.
  • Keep the maintenance log up to date and readily accessible. This serves as a record of the cleaning frequency and can help the establishment manager optimize cleaning frequency to reduce costs.


1136 Washington St.
Columbia, SC 29201


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