A grease trap should be cleaned often enough to meet local requirements, avoid backups or odors, and keep FOG and solids below the applicable service threshold for that location.
Start with local rules and customer risk
Some programs require specific intervals or threshold-based service. Restaurants with high FOG load, heavy solids, or previous issues may need shorter intervals.
Use readings to tune the interval
Grease depth, solids depth, and total liquid depth show whether the current schedule is working. A stable record helps haulers recommend changes with evidence.
Make missed service visible
Due-soon and overdue reminders keep the office from discovering a missed interval only after a customer or inspector asks.
Grease trap FAQ
Is every 90 days enough for grease trap cleaning?
Not always. Some locations need shorter or longer intervals depending on local rules, trap size, food volume, and measured FOG or solids accumulation.