What is FOG?It may seem harmless to pour and scrape your fats, oils, and grease (FOG) down the kitchen drain, but it causes real trouble for your pipes, the sewer – and yourself! Common cooking FOG include:
- Any type of cooking oil (such as extra virgin olive oil, coconut oil, canola oil, vegetable oil, etc)
- Salad dressings
- Bacon grease
- Meat fat
- Dairy products
Residential: Keep Kitchen Drains Fat-Free
- If oils or grease remain in the pan after cooking: Let it cool to a safe temperature and then pour or transfer it to a sealed, disposable container and place it in the trash. Never pour hot grease or oil into the trash or sink!
- Remove as much oil and grease from pots, pans and plates prior to washing them in the sink or putting in the dishwasher.
- If you wash dishes by hand, cold water will congeal FOG, making it less likely to build up in your home’s plumbing and sewer lateral.
- Dispose of old cosmetics, suntan lotions and other oily or greasy personal products properly, in the trash.
- Ignoring these easy steps could result in a grease blockage in your plumbing system, which can be expensive to remedy. Backed up or overflowing sinks and toilets are a possible result- which is messy, unsanitary, and could damage your home.
Common FOG Myths
Running Hot Tap Water
Running hot tap water down the drain will not help grease float through the sewer pipe because the water will eventually cool as it flows through the pipe and the grease will become solid again.
Room Temperature Oils
If oils that remain liquid at room temperature (such as extra virgin olive oil or toasted nut oils) are disposed down the drain, they will contribute to FOG buildup in sewer pipes, where temperatures can dip low enough to cause solidification of these oils.
Soaps and Detergents
The use of soaps and detergents that claim to dissolve grease will not protect against grease buildup. Soaps may initially break up grease, but as it travels further downstream it will eventually lose this ability and grease will begin to accumulate in your home's plumbing and sewer laterals.
Running the garbage disposal will do nothing to protect your drain lines from accumulating grease. Garbage disposals only shred leftover fats into smaller pieces; they do not get rid of the fats that create grease.
Commercial - Food Service Establishments
Wastewater Plan Checks for Remodel or New Construction
Requirements for Food Service Establishments
All Food Service Establishment sites from which wastewater is discharged to the sanitary sewer from sources other than standard domestic sanitary facilities (e.g., toilets, bathroom sinks), are required to complete a Food Service Checklist to be submitted with plans for Plan Check. It applies to any facility conducting commercial cooking operations including dishwashing activities and equipment cleaning that generate grease-laden wastewater. The Checklist is a guidance document for designing FOG control and protecting the sanitary sewer system. This checklist assists Building Permit applicants and those responsible for the design and installation of food service establishments to comply with the California Plumbing Code (CPC) and Santa Clara City Code (SCCC). Fill out all sections using current operating data or estimates based on similar types of businesses. Guidelines for acceptable specifications for new grease control devices (GCDs) also known as grease interceptors.
Best Management Practices for Food Establishments
- Grease Control Device Maintenance and Recordkeeping
- Grease Control Device Recordkeeping Log
- Grease Interceptor Maintenance
- Grease Trap Maintenance
- Proper Cleaning of Exhaust Hoods, Filters, Ducting, Roof Fans, and Floor Mats
- Prohibitions on Chemicals, Enzymes, or Bacteria in Grease Traps and Interceptors
Additional Information for Food Establishments
See the following guidelines to managing fats, oils, and grease:
- Food Service Checklist for Plan Check Permit Applications
- How to Clean Your Grease Trap Poster [English/Spanish/Vietnamese]
- Trash Enclosure Poster [English/Spanish/Vietnamese]
- Acceptable Specifications for Grease Interceptors
Grease Pumpers and Haulers
|A-1 Septic Tank Services||510-886-4455||www.a1tank.net|
|All Valley Environmental, Inc.||559-498-8378||www.allvalleyenv.com|
|Burr Plumbing & Pumping||408-287-2877||Not available.|
|Liquid Environmental Solutions||510-266-5719||https://www.liquidenviro.com|
|SeQuential Pacific Biodiesel||800-447-3794||www.choosesq.com|