States / North Carolina / Winston-Salem
Winston-Salem, NC grease trap requirements
Program run by City of Winston-Salem / Forsyth County Utility Commission, Grease Control Policy (Article XIII). Hand-checked against source Last verified 2026-10-18 by Stew Israil, GreaseTrapRules. Report an error / rule changed
Quick answer
- How often to pump: At least every 30 days (unless a variance is approved)
- Interceptor minimum / sizing: Minimum 1,000 gal (new in-ground)
- Permit / fees: Not stated in the sources we checked. Ask City of Winston-Salem / Forsyth County Utility Commission, Grease Control Policy (Article XIII) whether a FOG or wastewater permit applies.
Rules change; verify with your city. Summaries are plain-English restatements of the official source linked below; “Source says” shows the exact wording. Blank rows mean the sources we checked did not state that rule, not that there is no rule.
Winston-Salem grease trap rules at a glance
Grease trap and FOG (fats, oils and grease) rules for restaurants in Winston-Salem are set by City of Winston-Salem / Forsyth County Utility Commission, Grease Control Policy (Article XIII). Pumping: at least every 30 days (unless a variance is approved). Sizing: minimum 1,000 gal (new in-ground). Pumping must be done by an approved or licensed hauler. Keep pumping records or manifests on site for inspectors.
Of the 4 North Carolina programs we track, 3 state a pumping schedule and 1 requires a permit. We have not verified a pumping company for Winston-Salem yet; see North Carolina pumping companies. Compare all North Carolina cities.
Winston-Salem grease trap & interceptor rules, line by line
| Required trap / interceptor type | Not stated in the sources we checked |
|---|---|
| Sizing rule | New in-ground grease interceptors must be at least 1,000 gallons total capacity unless the Director approves otherwise, sized for a 24-minute retention time at actual peak flow. ✓ checked against source |
| Pumping / cleaning 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. A longer interval is only possible through an approved variance study. ✓ checked against source |
| Permit required? | Not stated in the sources we checked |
| Permit & program fees | Not stated in the sources we checked |
| Inspections | Not stated in the sources we checked |
| Record keeping | Keep a written maintenance record on site for three (3) years (date and time, grease contractor, disposal facility), and mail a copy to the City within fifteen (15) days after the end of the month the service happened. ✓ checked against source |
| Pumper / hauler approval | Use a licensed North Carolina Septage Management Firm; waste must go to a facility permitted by the NC Division of Solid Waste Management. ✓ checked against source |
| Reporting portal | Not stated in the sources we checked |
| Fines & penalties | Not stated in the sources we checked |
| Program contact | Not stated in the sources we checked |
Sources
- https://www.cityofws.org/DocumentCenter/View/2883/Grease-Control-Policy-PDF · checked 2026-10-18
Grease trap cleaning & pumping companies in Winston-Salem, NC
No verified pumping company for Winston-Salem yet. Free listings are sorted A–Z. A listing is not an endorsement.
Before you book: Winston-Salem has hauler rules (see the table above). Ask the company to confirm it is approved for Winston-Salem, and keep a signed manifest for every pump-out.
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Try the North Carolina pumper list for companies serving nearby cities.
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Size your interceptor
Use the grease interceptor sizing calculator (UPC, IPC and PDI methods), then confirm Winston-Salem's own minimums above. Not sure how often to pump? Read how often to pump a grease trap.
Winston-Salem grease trap FAQ
How often do grease traps have to be pumped in Winston-Salem, NC?
Pump at least every 30 days (unless a variance is approved). Source: City of Winston-Salem / Forsyth County Utility Commission, Grease Control Policy (Article XIII), checked 2026-10-18. Rules change; confirm with the local sewer authority.
What size grease interceptor is required in Winston-Salem?
Minimum 1,000 gal (new in-ground), per the official source. Your plumbing official can require more.
Who enforces grease trap rules in Winston-Salem, NC?
City of Winston-Salem / Forsyth County Utility Commission, Grease Control Policy (Article XIII). Contact them for permits, inspections and approved haulers.
Nearby North Carolina cities
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