Fats, Oils, and Grease (FOG) discharged by residential, commercial, institutional, and industrial users present a significant problem to the wastewater collection and treatment systems, causing sewer blockages resulting to sewer overflows (spills).

To address this problem, the City of Tulare has established a FOG Program and an Ordinance to regulate Food Service Establishments (FSE), which discharge FOG into the sewer system.

What is the Program Objective?

The objectives of the FOG Program for FSE's is to reduce FOG discharges into the sewer system, prevent sewage spills, and protect public health and the environment. Food service establishments are significant FOG contributors and must share the responsibility for reducing FOG discharges.

Why is it Important to Properly Manage Fats, Oils, and Grease?

When not managed properly, fats, oils, and grease can form large build-ups called "fatbergs" within our wastewater collection system. These fatbergs clog pipes and lead to sanitary sewer overflows, which are a danger to our residents and our environment.

Who's Required to Install a Grease Trap/Interceptor?

All FSE's in the City of Tulare are required to install either an indoor grease trap or an outdoor grease interceptor. The type, size, and maintenance of the device required is dependent on a variety of factors (see information below).

What are Grease Traps & Interceptors?

Grease Traps and Interceptors are pretreatment devices used to prevent fats, oils, and grease (FOG) from entering the wastewater collection system. These devices separate the oils, greases, and food solids, allowing the remaining wastewater to flow through the sanitary sewer system.   

Grease Traps:                                                                

What: Grease traps are typically smaller grease protection devices (minimum size is 50gpm/100lb capacity) designed for smaller operations.

Where: Typically, grease traps are located indoors. However, there are some models that can be installed outside.

When: Grease traps can be installed when there are four or fewer kitchen fixtures (sinks, floor drains, etc.) connected to the grease waste line. Note: if you have a commercial grade dishwasher at your facility, you must install a grease interceptor to accept its wastewater.

Grease Interceptors:

What: Grease interceptors are larger grease protection devices. The minimum size is 500 gallon capacity and the maximum size is 2,500 gallon capacity.

Where: Due to the large size of these devices, grease interceptors are located outside the building.

When: Grease interceptors shall be installed when there are over four fixtures connected to the grease waste line and/or when a facility uses a commercial grade dishwasher.

Reference Materials:

• BMP Fact Sheet Binder
• FOG Introduction Flyer
• Restaurant Owners Binder Complete
• FOG Permit Application
• Managing FOG

If you have any questions regarding the City's FOG Program, please call the Environmental Compliance Inspector at (559) 684-3127.

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