What are the grease trap requirements in Winston-Salem, NC?

Food service establishments in Winston-Salem must install and maintain grease traps or interceptors per local FOG ordinances. The city follows the International Plumbing Code (IPC).

Do I need a grease trap permit in Winston-Salem?

Yes, a FOG permit is required in Winston-Salem.

What size grease trap do I need for my restaurant in Winston-Salem?

Grease trap sizing depends on your establishment's flow rate, number of fixtures, and local code requirements. Sizes referenced in local code: 15, 100 gallons. Use our free sizing calculator for a recommendation.

Grease Trap Requirements
Winston-Salem, NC

FOG compliance regulations for food service establishments in Winston-Salem, North Carolina.

monthly

Pumping Freq.

Required

Permit

Yes

25% Rule

IPC

Code Base

Pumping Requirements

Frequency monthly; or when grease/solids reach 25% of capacity

25% Rule Applies

Permits & Enforcement

Permit Required Required

Complete FOG Regulations

Minimum Trap Size	Sizes referenced in local code: 15, 100 gallons
Pumping Frequency	monthly; or when grease/solids reach 25% of capacity
25% Rule	Yes — trap must be pumped when grease and solids reach 25% of capacity
Permit Required	Yes
Inspections	inspections of every
Record Keeping	Required — maintain pumping logs and manifests on-site
Plumbing Code	International Plumbing Code (IPC)
Ordinance Ref.	Section 152; Section 51; Section 405; Section 151; Section 46

Additional Notes

Inspections: inspections of every

Regulations change frequently. Always verify current requirements with your local wastewater authority or plumbing inspector before making compliance decisions. Last updated: March 2026.