Fats, Oils & Grease (FOG) Program

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Overview


All food service establishments that are connected to public sewers must have an approved grease system, such as grease traps, interceptors and other devices that keep fats, oils, grease and food debris out of sewer pipes.

FOG is a problem for food service establishments, as FOG can buildup and clog sewer pipes and cause costly overflows and backups within businesses. It is bad for business and bad for public health and the environment.

When fats, oils or grease (FOG) enter the sewer lines, it cools, solidifies and sticks to the insides of the pipes, trapping food particles and other debris. Over time, this mass continues to grow until it obstructs the flow of wastewater and causes sewage to back up.

Additional Information


Additional information is located in the City's FOG Brochure, below:

IT’S THE LAW


Section 26-604 of the Billings Municipal City Code (BMCC) specifies that unless prior written authorization is provided by the city, it is unlawful to discharge or cause to be discharged into the waste disposal station any industrial wastes, radioactive wastes, corrosive wastes, explosive mixtures, unpolluted waters, petroleum oils, mineral oils, non-biodegradable cutting oils, chemical wastes, toxic or poisonous substances, floatable fats, wax and grease.

FOG Survey

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Kitchen Best Management Practices


Do’s


  • Clean vent hoods and filters regularly
  • Protect drains with a screen
  • Prevent spills of fats, oils and grease
  • Dry scrape leftovers into a trash bin, not the sink
  • Empty trash bins before they overflow
  • Clean and cover outdoor recycling area
  • Keep records of cleaning, inspections and service
  • Train staff on Best Management Practices to keep FOG out of sewer pipes

Don'ts

 
  • Don’t connect dishwashers to the grease system 
  • Don’t put degreasers in the system (they just push FOG into sewers)
  • Don’t wash kitchen equipment outdoors
  • Don’t allow FOG into storm drains, catch basins, etc.
  • Don’t improperly dispose of fats, oils and grease
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