they enter the sewer system, thus preventing a clog. Some of the materials they separate include grease, food, fats, oils, wax, and debris. Contact us to request service for grease trap...Grease Traps Septic Tank Cleaning & System Inspections Share: Call Us (760) 240-6619 PO Box 283 Apple Valley, CA 92308-9746 Home Services Grease Traps What Can Go Wrong Service... to the plumbing of a restaurant to filter water before it gets to the sewer. Grease traps are designed to separate greasy materials from waste water so they can be removed before...