States / New Hampshire / Manchester

Manchester, NH grease trap requirements

Program run by City of Manchester Department of Public Works (Code of Ordinances § 52.029). Hand-checked against source Last verified 2026-10-19 by Stew Israil, GreaseTrapRules. Report an error / rule changed

Quick answer

How often to pump: The official sources we checked don't set a fixed schedule for Manchester. Most programs require pumping before grease and solids reach 25% of the trap's depth (check yours). Confirm with City of Manchester Department of Public Works (Code of Ordinances § 52.029).
Interceptor minimum / sizing: No minimum size stated in the sources we checked. Your local program or plumbing code sets it; estimate with the sizing calculator.
Permit / fees: Permit required

From the official source(s) below, last checked 2026-10-19. Rules change; verify with your city.

Am I compliant in Manchester?

Six quick questions, checked against Manchester's sourced rules. Nothing is saved.

Free printable cleaning log & inspection checklist for Manchester

Get grease trap pumping quotes in Manchester, NH

Tell us what you need and we'll send your request to the Featured grease trap service companies in Manchester, NH, with a copy to us. If there are none yet, it comes only to us and we may reply to help you find someone. Free, no obligation. For restaurants and for property, building and facility managers.

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Fine risk check: are you due or overdue in Manchester?

How often does Manchester require grease trap pumping?

Manchester's pumping rule is quoted below from the official source. Want a heads-up before your next pump-out? Get free email reminders on Manchester's schedule. For restaurants and for property, building and facility managers. How reminders work

Manchester: the official sources we checked don't set a fixed pumping interval. Source: City of Manchester Department of Public Works (Code of Ordinances § 52.029), checked 2026-10-19.

The official sources we checked don't list a fine amount for Manchester. That doesn't mean there's no penalty.

We'll use every 90 days. That's our recommended schedule, not a legal requirement. Many programs also require pumping before grease and solids reach 25% of the trap's depth.

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.

Manchester grease trap rules at a glance

Grease trap and FOG (fats, oils and grease) rules for restaurants in Manchester are set by City of Manchester Department of Public Works (Code of Ordinances § 52.029). The official sources we checked do not set a fixed pumping interval for Manchester, so plan on pumping before grease and solids reach 25% of the trap (the most common rule) and follow any schedule on your permit. A FOG or wastewater permit is required. Pumping must be done by an approved or licensed hauler. Keep pumping records or manifests on site for inspectors.

Of the 2 New Hampshire programs we track, 0 state a pumping schedule and 1 requires a permit. We have not verified a pumping company for Manchester yet; see New Hampshire pumping companies. Compare all New Hampshire cities.

Manchester grease trap & interceptor rules, line by line

Required trap / interceptor type	Grease, oil and sand interceptors are required when the Public Works Director decides they are needed to protect the sewers (not for residential users). They must be easily accessible for cleaning and inspection, and the property owner and the business operator are jointly responsible for installing, servicing and maintaining them. ✓ checked against source
Sizing rule	Not stated in the sources we checked
Pumping / cleaning frequency	Not stated in the sources we checked
Permit required?	Apply for a permit with a plan and description of the device; grease interceptors need approval from both the Planning and Community Development Department and the Public Works Director. ✓ checked against source
Permit & program fees	Not stated in the sources we checked
Inspections	Not stated in the sources we checked
Record keeping	Keep records of the dates and means of disposal of interceptor waste; they are subject to review by the Public Works Director. ✓ checked against source
Pumper / hauler approval	If your own staff don't remove and haul the waste, a currently licensed waste disposal firm must do it. ✓ 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://codelibrary.amlegal.com/codes/manchester/latest/manchester_nh/0-0-0-2213 · checked 2026-10-19

Featured spots in Manchester: 3 of 3 available. Limited to 3 companies per city. For pumping companies

Grease trap cleaning & pumping companies in Manchester, NH

No verified pumping company for Manchester yet. Free listings are sorted A–Z. A listing is not an endorsement.

Before you book: Manchester has hauler rules (see the table above). Ask the company to confirm it is approved for Manchester, and keep a signed manifest for every pump-out.

Featured spot open. Be the first pumper restaurants see in Manchester. 3 of 3 spots left
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Try the New Hampshire pumper list for companies serving nearby cities.

All New Hampshire pumpers National directory Run a pumping company? List it free

Size your interceptor

Use the grease interceptor sizing calculator (UPC, IPC and PDI methods), then confirm Manchester's own minimums above. Not sure how often to pump? Read how often to pump a grease trap.

Manchester grease trap FAQ

Do restaurants in Manchester need a grease trap permit?

Permit required, per the official source checked 2026-10-19.

Who enforces grease trap rules in Manchester, NH?

City of Manchester Department of Public Works (Code of Ordinances § 52.029). Contact them for permits, inspections and approved haulers.

Nearby New Hampshire cities

Nashua

Grease trap guides

For property and building managersTenant vs landlord, shared interceptors, records How often to pumpThe 25% rule and city schedules FOG inspection checklistWhat inspectors check Printable maintenance logPlus record-keeping rules All guidesSizing, trap vs interceptor, cost factors

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