Fats, Oils & Grease

Pipe Clogged with Fats, Oils, and GreaseWhat Is FOG?

Fats, oils and grease (FOG) is a by product of food preparation. FOG especially comes from cooking or preparing food with animal products, as well as preparing/cooking fried and fatty foods.

FOG Includes:

  • Batters and Icing
  • Butter/Margarine
  • Cooking Oil and Cooking Grease
  • Dairy Products
  • Dressings and Sauces
  • Food Scraps
  • Lard/Shortening
  • Meat Fats

What Are Some Problems Caused by Excessive FOG?

FOG, when it is put down drains in excessive amounts, coats the inside of pipes and gradually builds up till it blocks the flow of wastewater. FOG build up requires extra cleaning in sewer lines by City crews, and has caused blockages and sewer overflows in Yreka. FOG also puts a greater strain on the City's wastewater treatment plant.

Information on FOG Prevention

  1. Food Service (Serving) Establishment FOG Program (PDF)
  2. Introduction to FOG Article (PDF)
  3. Kitchen Best Management Practices for FOG Prevention (PDF)
  4. National Restaurant Association FOG Tool Kit (PDF)