York Sewer District's Commercial FOG Program

This is an informational page for our Commercial Customers. Please continue below to find links to our Rules & Regulations, Frequently Asked Questions, and Best Management Practices.

One of the greatest challenges to successful operation of our community’s sewers is improper disposal of Fats, Oil, and Grease — we call it FOG. When dumped or washed down the drain, they cause blockages in the sewer and create overflows of raw sewage into our waters. Not only are blockages bad for water quality, but they can result in additional charges beyond your sewer rates (extra cleaning, emergency response, violations, etc.). FOG can also cause backups in your plumbing.

Rules & Regulations Fog Application

The York Sewer District has recently updated its sewer use regulations and applications to better protect our waterways and beaches. These new regulations may require you to modify your facility’s operations.

FOG Permit Information

Rules and Regulations

Does a facility need a Grease Trap or Interceptor?

All FSEs should be equipped with Grease Interceptors and/or Grease Traps designed to limit the discharge of grease and oil to the public sewer system.
What fixtures/drains should be connected to the Grease Interceptor?

All wastewater from food preparation operations and/or washing and clean-up operations, including but not limited to pot sinks, pre-rinse stations, work stations, soup kettles, braising pans, mop sinks and wastewater generated from exhaust fan hood cleaning operations should discharge to a grease removal device. All automatic dishwasher wastewater, excluding pre-rinse stations, should bypass the grease removal device and be discharged directly into the sewer system
What size grease trap/interceptor?

All wastewater from food preparation operations and/or washing and clean-up operations, including but not limited to pot sinks, pre-rinse stations, work stations, soup kettles, braising pans, mop sinks and wastewater generated from exhaust fan hood cleaning operations should discharge to a grease removal device. All automatic dishwasher wastewater, excluding pre-rinse stations, should bypass the grease removal device and be discharged directly into the sewer system.
What size grease trap/interceptor?

Grease Interceptors should have a minimum depth of 4 feet and a minimum capacity of one thousand gallons and should have sufficient capacity to provide at least 24 hour detention period for the process flow. The minimum process flow should be based on 30 gallons per seat/chair per day or based upon actual water usage for existing facilities. Grease Traps should have a minimum capacity of 25 gpm flow. For more sizing information on Grease Interceptors refer to the Uniform Plumbing Code 1014-0.
How often should Grease Traps/Interceptors be maintained?

External Grease Interceptors should be inspected monthly by the owner(s) and cleaned by a state licensed septage hauler whenever the level of grease is 25% of the effective depth or at least every three months, whichever is sooner. Internal Grease Traps should be cleaned as needed.

Does a facility need a Grease Trap or Interceptor?

All FSEs should be equipped with Grease Interceptors and/or Grease Traps designed to limit the discharge of grease and oil to the public sewer system.
What fixtures/drains should be connected to the Grease Interceptor?

All wastewater from food preparation operations and/or washing and clean-up operations, including but not limited to pot sinks, pre-rinse stations, work stations, soup kettles, braising pans, mop sinks and wastewater generated from exhaust fan hood cleaning operations should discharge to a grease removal device. All automatic dishwasher wastewater, excluding pre-rinse stations, should bypass the grease removal device and be discharged directly into the sewer system
What size grease trap/interceptor?

All wastewater from food preparation operations and/or washing and clean-up operations, including but not limited to pot sinks, pre-rinse stations, work stations, soup kettles, braising pans, mop sinks and wastewater generated from exhaust fan hood cleaning operations should discharge to a grease removal device. All automatic dishwasher wastewater, excluding pre-rinse stations, should bypass the grease removal device and be discharged directly into the sewer system.
What size grease trap/interceptor?

Grease Interceptors should have a minimum depth of 4 feet and a minimum capacity of one thousand gallons and should have sufficient capacity to provide at least 24 hour detention period for the process flow. The minimum process flow should be based on 30 gallons per seat/chair per day or based upon actual water usage for existing facilities. Grease Traps should have a minimum capacity of 25 gpm flow. For more sizing information on Grease Interceptors refer to the Uniform Plumbing Code 1014-0.
How often should Grease Traps/Interceptors be maintained?

External Grease Interceptors should be inspected monthly by the owner(s) and cleaned by a state licensed septage hauler whenever the level of grease is 25% of the effective depth or at least every three months, whichever is sooner. Internal Grease Traps should be cleaned as needed.