States / New Hampshire / Nashua

Nashua, NH grease trap requirements

Program run by City of Nashua Wastewater (Sewer Ordinance, Chapter 18). Hand-checked against source Last verified 2026-10-18 by Stew Israil, GreaseTrapRules. Report an error / rule changed

Quick answer

From the official source(s) below, last checked 2026-10-18. Rules change; verify with your city.

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.

Nashua grease trap rules at a glance

Grease trap and FOG (fats, oils and grease) rules for restaurants in Nashua are set by City of Nashua Wastewater (Sewer Ordinance, Chapter 18). The official sources we checked do not set a fixed pumping interval for Nashua, so plan on pumping before grease and solids reach 25% of the trap (the most common rule) and follow any schedule on your permit.

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

Nashua grease trap & interceptor rules, line by line

Required trap / interceptor type
Food service establishments are required to install and maintain grease interceptors and/or traps under Nashua's Sewer Ordinance.
✓ checked against source
Sizing ruleNot stated in the sources we checked
Pumping / cleaning frequencyNot stated in the sources we checked
Permit required?Not stated in the sources we checked
Permit & program feesNot stated in the sources we checked
InspectionsNot stated in the sources we checked
Record keepingNot stated in the sources we checked
Pumper / hauler approvalNot stated in the sources we checked
Reporting portalNot stated in the sources we checked
Fines & penaltiesNot stated in the sources we checked
Program contactNot stated in the sources we checked

Sources

Grease trap cleaning & pumping companies in Nashua, NH

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

Before you book: ask for a full pump-out (not a skim) and a signed manifest for every service, and keep it on site for inspectors.

Try the New Hampshire pumper list for companies serving nearby cities.

All New Hampshire pumpersNational directoryRun a pumping company? List it free

Size your interceptor

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

Nashua grease trap FAQ

Who enforces grease trap rules in Nashua, NH?

City of Nashua Wastewater (Sewer Ordinance, Chapter 18). Contact them for permits, inspections and approved haulers.

Grease trap guides

How often to pumpThe 25% rule and city schedulesFOG inspection checklistWhat inspectors checkPrintable maintenance logPlus record-keeping rulesAll guidesSizing, trap vs interceptor, cost factors

Grease rule changes, once a week

A short email when a city changes its FOG ordinance, pumping schedule, permit fees or reporting portal. Free.