Grease Trap Requirements
Grand Rapids, MI
FOG compliance regulations for food service establishments in Grand Rapids, Michigan. Serving 1,374 food service establishments.
As needed to maintain efficien
Pumping Freq.
Required
Permit
Yes
25% Rule
IPC
Code Base
Pumping Requirements
Frequency As needed to maintain efficiency; typically 90 days per Michigan IPC standards
25% Rule Applies
Permits & Enforcement
Permit Required Required
Permit Fee Not publicly listed; contact Grand Rapids Code Compliance
Max Fine Per city ordinance Chapter 151 (Nuisances); specific amounts set by municipal code — contact city for schedule
Complete FOG Regulations
| Minimum Trap Size | Per Michigan Plumbing Code (IPC-based); size based on fixture count and grease production — designed per manufacturer instructions |
|---|---|
| Pumping Frequency | As needed to maintain efficiency; typically 90 days per Michigan IPC standards |
| 25% Rule | Yes — trap must be pumped when grease and solids reach 25% of capacity |
| Permit Required | Yes |
| Permit Fee | Not publicly listed; contact Grand Rapids Code Compliance |
| Maximum Fine | Per city ordinance Chapter 151 (Nuisances); specific amounts set by municipal code — contact city for schedule |
| Inspections | Periodic inspections by city; frequency determined by compliance history |
| Record Keeping | Required — maintain pumping logs and manifests on-site |
| Plumbing Code | International Plumbing Code (IPC) |
| Ordinance Ref. | Grand Rapids Code of Ordinances Chapter 151; Michigan Plumbing Code 2018 (IPC-based) Chapter 10 |
| Authority | City of Grand Rapids Code Compliance / Public Works |
Additional Notes
Michigan adopts IPC with local amendments. Grand Rapids uses 2021 IPMC with local amendments effective January 2024. Grease interceptor required for all food preparation areas per state plumbing code.
Regulations change frequently. Always verify current requirements with your local wastewater authority or plumbing inspector before making compliance decisions. Last updated: March 2026.
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