FOG ProgramFOG

The Fats, Oils and Grease (FOG) program regulates food establishments, which can discharge fats, oils and grease into the public sewer system. Food establishments are required to pretreat their wastewater using grease interceptors to remove FOG and grease prior to discharge to the sewer system.

FOG Objectives

  • Reduce commercial, industrial and institutional fats, oils and grease discharge into sewer system
  • Prevent sewer blockages from FOG, which result in sewage spills
  • Protect public health and the environment

FOG Program Background 

FOG Basics for Restaurants

  • Recycle grease and oil
  • Don’t pour grease and oil into sinks
  • Don’t pour grease into floor drains
  • Use a grease trap or interceptor that is installed correctly
  • Never put solids into grease traps
  • Check grease traps and interceptors often
  • Wash water from surface cleaning needs to be treated at a wastewater treatment plant

FOG kitchen poster 

Preferred Pumper Program

Pumpers registered with the preferred pumper program certify that they will follow pump-out criteria. Commercial/institutional FOG-generators in the region are encouraged to use a preferred pumper.

Grease Interceptor Plan Review Requirements

For new construction or tenant improvement of businesses in the food industry, view the grease interceptor plan requirements


For more information about the FOG Program contact Paul Kramer, 503-618-2648 or