Fats, oils and grease

Learn how to dispose of fats, oils and grease (FOG) without damaging your home's pipes and dishwasher.


A mass of fats, oils and grease clogging a pipe.



FOG hardens in your sanitary sewer lateral pipe

The hardened substance can cause:

  • Sewage backups into your property and neighboring properties
  • Damage to your interior plumbing 
  • Damage to your dishwasher 
  • Environmental problems

Read about your lateral pipe

Tips for removing FOG from dishes and cookware


  • Skim, scrape or wipe food, oil and grease from dishes and cooking pans before pre-washing
  • Put oil and grease into covered collection container
  • Pre-wash dishes and pans with cold water before putting them in the dishwasher

Do not

  • Pour or wash oil or grease down any drain
  • Put food or grease down the drain, even if there is a garbage disposal
  • Wash floor mats where water will run off directly into the drain

Managing FOG in restaurants

City law requires businesses to keep fats, oils and grease (FOG) out of sanitary sewer pipes.

Contact us

Minneapolis Fats Oils and Grease (FOG) Program

Surface Water and Sewers
Public Works Department