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Auto Facility Compliance Report |
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FOG Manual |
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Food Service Facility Compliance Report |
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Food Service Facility Survey |
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Food Service Facility Survey Frequently Asked Questions |
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FOG Modification Request Form |
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FOG Ordinance |
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FOG Quarterly Report |
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Grease Interceptor & Grease Trap Cleaning & Maintenance Log |
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Grease Trap Cleaning Instructions with Diagram |
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Industrial User Survey |
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Best Management Practices from the National Restaurant Association |
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Frequently Asked Questions about FOG in Businesses & Industries |
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What is FOG? |
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Where does FOG come from? |
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Why is FOG a problem? |
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Is FOG a problem in the District? |
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What is the goal of the FOG program and who is the audience? |
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What is a grease interceptor? |
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What is a grease trap? |
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What is the difference between a grease trap and grease interceptor? |
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I don't use grease in my restaurant; do I still need a grease trap/interceptor? |
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I own a coffee shop. Do I still need a grease trap/interceptor? |
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I don't believe I need a grease trap; what should I do? |
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Why is the District surveying businesses? |
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Do I need to complete the survey if my restaurant does not use grease or lard? |
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Who should I contact if I have questions? |
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What is FOG? |
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The letters F, O, G stand for the words Fats, Oils and Grease. FOG are compounds of one, two or three fatty acids, combined with a Glycerol Backbone and derives from the living cells of animal and vegetable matter.
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Where does FOG come from? |
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FOG is a byproduct of cooking and is found in things such as:
- Food Scraps
- Dairy Products
- Sauces
- Baking Goods
- Shortening
- Lard
- Butter and Margarine
- Cooking Oil
FOG is washed into the plumbing system, usually through the kitchen, when cookware and dinnerware are washed.
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Why is FOG a problem? |
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FOG is a problem mainly for two reasons:
- If FOG makes it to the sewer, it solidifies and adheres to the sewer walls. Over time the FOG accumulates and blocks the sewer creating an overflow. Overflows are a public health and environmental hazards that expose the public to pathogens. Overflows are also a financial burden. Costs can range in the thousands if the wastewater backups in homes, or commercial buildings.
- FOG can also damage equipment vital for the operation of the waste water utility.
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Is FOG a problem in the District? |
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FOG in any collections system will create problems for the community sooner or later. The main problem with FOG is that not everyone is aware of the its causes and effects. The District’s FOG program’s main goal is to create awareness and control FOG discharge. |
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What is the goal of the FOG program and who is the audience? |
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There are two parts to this FOG program:
The first part:
- Includes all residential buildings
- Creates awareness towards this problem
- Informs residents about prevention methods
The second part:
- Includes all businesses
- Requires businesses to complete a survey
- Allows grease trap/interceptor inspections
- Calls for all businesses to install a grease trap/interceptor
- Creates awareness among business owners and employees about FOG
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What is a grease interceptor? |
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A grease interceptor is a vault with a minimum capacity of 600 gallons that is located on the exterior of the building. The vault includes a minimum of two compartments and flow between each compartment is designed for grease retention. The capacity of the interceptor provides adequate residence time so that the wastewater has time to cool, allowing any remaining grease not collected by the traps time to congeal and rise to the surface where it accumulates until the interceptor is cleaned. |
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What is a grease trap? |
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A grease trap is a small reservoir built into the wastewater piping a short distance from the grease producing area. Baffles in the reservoir retain the wastewater long enough for the grease to congeal and rise to the surface. The grease can then be moved and disposed properly. |
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What is the difference between a grease trap and grease interceptor? |
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There are two significant differences between these two devices; size and location. Grease traps are small devices that are located inside the business, generally in the kitchen. A grease interceptor is a vault with a minimum capacity of 600 gallons and is generally buried outside the business. |
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I don't use grease in my restaurant; do I still need a grease trap/interceptor? |
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Yes, even if you don’t have a fryer, your restaurant is still contributing to the FOG problem if you don’t have proper preventive devices. Washing plates and silverware or food preparation utensils, such as pots and pans, adds FOG waste to our collections system. |
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I own a coffee shop. Do I still need a grease trap/interceptor? |
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Yes. One of the most ignored and consequently the most problematic FOG contributors is dairy products. |
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I don't believe I need a grease trap; what should I do? |
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You need to complete the FOG Modification Form and return it to the District, by fax or mail. It is important that you also include any information that will support your request. Always keep a copy for your records. After the District receives the form and supporting documents, the Pretreatment Compliance Specialist will visit your facility and record your kitchen with a picture. The Specialist might need to monitor your cleaning methods and take samples of sewer discharge during major cleaning hours. The Pretreatment Compliance Specialist will then submit a report to the Utility Director, who will mail his decision to you. |
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Why is the District surveying businesses? |
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The survey has four purposes:
- To have a record of each facility's name, contact's name, address and phone number.
- To have a record of each facility's kitchen appliances, seating capacity and grease recycling methods.
- To begin a relationship between the District and food service facilities.
- To allow the District to continue complying with national and state wastewater standards.
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Do I need to complete the survey if my restaurant does not use grease or lard? |
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Yes, according to the District FOG Ordinance, the District can request information from any user to determine their wastewater characteristics. |
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Who should I contact if I have questions? |
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Our Pretreatment Compliance Specialist, Jason Lewin, is available for questions or comments from 7:00 a.m. to 3:00 p.m. Monday - Friday. Feel free to contact him by phone: (317) 873-0564 or by email: jason.lewin@ctrwd.org |
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