Winston-Salem FOG & Grease Rules

Who this applies to

All food service establishments shall install and maintain a grease interceptor in accordance with the Grease Control Policy, set forth by the Commission, and on file at the City’s Utilities Administration office [E10].

Key requirements

Cleaning/pump-out frequency: The Food Service Establishment should have a licensed North Carolina Septage Management Firm service all interceptors at intervals not to exceed thirty (30) days [E01]. Any Food Service Establishment who is found to violate the twenty-five (25) percent rule as set forth in subsection B(6) herein below, may be required to pump more frequently than monthly [E04].
Capacity rule: New in-ground grease interceptors shall be no less than 1,000 gallons total capacity unless otherwise approved by the Director [E09].
Sizing and installation: All new grease interceptors shall be designed and constructed in accordance with Section 155 and 156 herein unless otherwise approved by the Director, but in no case may it be less than the North Carolina State Plumbing Code [E05]. All grease interceptors shall be installed by a licensed North Carolina Plumbing Contractor and maintained by the User at the User’s expense so as to be in continuously effective operation [E07]. A 24 minute retention time under actual peak flow. See Sizing Criteria in Section 156 [E08].
Permits: All grease interceptor plans and specifications shall be submitted and approved by the City prior to installation [E06].
Records: All Food Service Establishments shall maintain a written record on site of grease interceptor maintenance record for three (3) years. Documentation must include at a minimum the date and time of the service; the name of the grease contractor; and the location of the grease treatment/disposal facility [E11] [E16]. All grease interceptor maintenance records shall be approved by the Director. A copy of each maintenance record shall be mailed to the City, at the address indicated below, no later than fifteen (15) days after the end of the month during which the maintenance occurred [E12].
Inspections: All food service establishments shall inspect the grease interceptor at the time of service or prior to opening business if the interceptor is serviced after hours and shall report to the City County Utilities any conditions that do not comply with the Sewer Use Resolution and/or Grease Control Policy [E13].
Haulers: The User shall be responsible for the proper removal and lawful disposal of the grease interceptor waste. All waste removed from each grease interceptor should be disposed of at a facility permitted by the North Carolina Division of Solid Waste Management to receive such waste. No grease interceptor waste shall be discharged directly to the wastewater collection system or wastewater treatment facilities [E15].
Penalties: Any person who fails to comply with this section is subject to enforcement actions as outlined in Section 165. Failure to submit monthly maintenance records for two consecutive months may result in an inspection [E17].

What to keep on file

A written record on site of grease interceptor maintenance record for three (3) years. Documentation must include at a minimum the date and time of the service; the name of the grease contractor; and the location of the grease treatment/disposal facility [E11] [E16].
All grease interceptor maintenance records shall be approved by the Director. A copy of each maintenance record shall be mailed to the City, at the address indicated below, no later than fifteen (15) days after the end of the month during which the maintenance occurred [E12].

Winston-Salem FOG & Grease Rules

Who this applies to

Key requirements

What to keep on file

Choosing a hauler

Sources

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