States / Michigan / Detroit

Detroit, MI grease trap requirements

Program run by Great Lakes Water Authority (GLWA) Industrial Pretreatment Program Rules, Sec. II-404 (GLWA's Water Resource Recovery Facility in Detroit treats the city's sewage). 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 Detroit. Most programs require pumping before grease and solids reach 25% of the trap's depth (check yours). Confirm with Great Lakes Water Authority (GLWA) Industrial Pretreatment Program Rules, Sec. II-404 (GLWA's Water Resource Recovery Facility in Detroit treats the city's sewage).
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: Not stated in the sources we checked. Ask Great Lakes Water Authority (GLWA) Industrial Pretreatment Program Rules, Sec. II-404 (GLWA's Water Resource Recovery Facility in Detroit treats the city's sewage) whether a FOG or wastewater permit applies.

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

Am I compliant in Detroit?

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

Free printable cleaning log & inspection checklist for Detroit

Get grease trap pumping quotes in Detroit, MI

Tell us what you need and we'll send your request to the Featured grease trap service companies in Detroit, MI, 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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How often does Detroit require grease trap pumping?

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

Detroit: the official sources we checked don't set a fixed pumping interval. Source: Great Lakes Water Authority (GLWA) Industrial Pretreatment Program Rules, Sec. II-404 (GLWA's Water Resource Recovery Facility in Detroit treats the city's sewage), checked 2026-10-19.

The official sources we checked don't list a fine amount for Detroit. 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.

Detroit grease trap rules at a glance

Grease trap and FOG (fats, oils and grease) rules for restaurants in Detroit are set by Great Lakes Water Authority (GLWA) Industrial Pretreatment Program Rules, Sec. II-404 (GLWA's Water Resource Recovery Facility in Detroit treats the city's sewage). The official sources we checked do not set a fixed pumping interval for Detroit, so plan on pumping before grease and solids reach 25% of the trap (the most common rule) and follow any schedule on your permit. Keep pumping records or manifests on site for inspectors.

Of the 2 Michigan programs we track, 1 states a pumping schedule and 0 require a permit. We have not verified a pumping company for Detroit yet; see Michigan pumping companies. Compare all Michigan cities.

Detroit grease trap & interceptor rules, line by line

Required trap / interceptor type	GLWA requires grease, oil and solids interceptors when it decides they are needed for wastewater with excessive grease and oil (not for domestic sources), and can order any user whose discharge causes or contributes to sewer obstructions to install, repair and maintain them. Units must be of a type and capacity acceptable to the local health department or community and GLWA. ✓ checked against source
Sizing rule	Not stated in the sources we checked
Pumping / cleaning frequency	Not stated in the sources we checked
Permit required?	Not stated in the sources we checked
Permit & program fees	Not stated in the sources we checked
Inspections	Interceptors must be regularly inspected, cleaned and repaired by the user at its own expense. ✓ checked against source
Record keeping	GLWA may require users to provide records of interceptor inspection, cleaning and maintenance. ✓ checked against source
Pumper / hauler approval	Not stated in the sources we checked
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.glwater.org/wp-content/uploads/2025/01/IPP-Rules_2024.pdf · checked 2026-10-19

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

Grease trap cleaning & pumping companies in Detroit, MI

No verified pumping company for Detroit 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.

Featured spot open. Be the first pumper restaurants see in Detroit. 3 of 3 spots left
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Try the Michigan 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 Detroit's own minimums above. Not sure how often to pump? Read how often to pump a grease trap.

Detroit grease trap FAQ

Who enforces grease trap rules in Detroit, MI?

Great Lakes Water Authority (GLWA) Industrial Pretreatment Program Rules, Sec. II-404 (GLWA's Water Resource Recovery Facility in Detroit treats the city's sewage). Contact them for permits, inspections and approved haulers.

Nearby Michigan cities

Grand Rapids

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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