Grease systems · Operations guide
How Often Should a Restaurant Grease Trap Be Serviced?
A practical way to set grease trap service frequency using system size, kitchen volume, accumulation, warning signs and local requirements.
Short answer
A restaurant grease trap should be inspected regularly and serviced before fats, oils, grease and solids materially reduce its effective capacity or create odors, slow drainage or backups. There is no responsible universal interval: trap size, menu, customer volume, operating hours, actual accumulation and local wastewater requirements all affect the schedule.
What changes the interval?
- Trap or interceptor type and capacity
- Number and type of connected fixtures
- Cooking methods and menu mix
- Meal volume and seasonal demand
- Food-solids control and staff practices
- Measured accumulation at prior service
Warning signs that the current schedule is too long
- Recurring odors
- Slow drainage or gurgling
- Visible grease near an access point
- Unexpected backups
- A large increase in grease or solids at service
A practical scheduling method
- Identify the exact unit and capacity
- Review prior service records and observed accumulation
- Check applicable wastewater requirements from the responsible local authority
- Set an initial interval before capacity becomes impaired
- Reassess after menu, volume or operating-hour changes
When to Call for Service
If the condition is recurring, affecting multiple systems or threatening restaurant operations, document what you see and request a professional review. This guide is operational information, not an engineering assessment or regulatory certification.
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