Maintaining The Grease Interceptor In Your Restaurant

Restaurants deal with many of the same plumbing problems as homeowners: freezing and busted pipes, encroaching tree roots and clogged drains. If you manage a restaurant, you know that a clogged drain or grease interceptor is more expensive than just the cost of repairs. Every time you have to shut off the water for a plumbing job, you lose business.


What can you do to prevent an eatery from losing time to plumbing problems?  Drains coated with fats, oils and grease (FOG) are among the most frequent causes of a restaurant’s plumbing woes.

Cleaning restaurant grease interceptors keeps prep sinks draining freely.

Regular maintenance of your grease interceptor will help prevent backups and closures due to clogs in the system.


Grease interceptors capture the FOG that runs down sink drains. They are installed between the kitchen drain and sanitary sewer line. There are two types of interceptors:

A restaurant may have only one type of trap, or it may have both kinds.


Restaurants can’t run without prep sinks and dishwashers. Daily washing and cooking inevitably lead to food particles and cooking grease washing down the drain.

An improperly maintained trap allows FOG to enter the sewer system. An obstructed grease interceptor or trap can back up your drains, cause odors and even cause a sewage overflow in the city sewer line or in neighboring buildings.


If your restaurant is in the Portland and Vancouver metro area, you may be required to maintain a grease interceptor. Your restaurant may be subject to periodic inspection by the city to ensure that FOG from your kitchen is not discharging into the sewer system. The city of Portland mandates a cleaning schedule for all grease interceptors.


Apollo Plumbing, Heating and Air Conditioning can help you avoid costly backups. We install, repair and clean grease traps and interceptors for commercial kitchens. In between pumping out the grease interceptor, there are things a restaurant staff can do prevent clogs.

Apollo Plumbing, Heating and Air Conditioning can help your establishment comply with city regulations. Our experienced plumbers understand the needs of restaurants in Portland, Gresham and Vancouver.

In addition to pumping out and repairing your grease interceptors, we offer maintenance programs for your entire plumbing systems.

Call us today for a free estimate at 503-395-0900.

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    Apollo jetted the basement drain line in our old 1927 Portland house. The line has been backing up thru the floor drain for a while. The technician cleared out the line with the hydro-jet, and it’s running great now. On-time and professional!


    - Tim T., Google Review


    Apollo Plumbing, Heating and Air Conditioning was on time, professional, and very knowledgeable. He took the time to inspect our rain drain to our dry well and do everything he could to alleviate the issue. I would highly recommend Apollo, they were informative and straight forward. Honesty is obviously a value they uphold for their customers.


    - Forrest W., Google Review


    I can’t begin to tell you how pleased we were with the service we received today from Anthony. He was incredibly personable and friendly. He went above and beyond and made the service call painless. Anthony took care of our clogged train in no time. Apollo and Anthony are the best! We highly recommend them.


    - Jennifer T., Google Review

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