Grease Trap Requirements
Louisville, KY
FOG compliance regulations for food service establishments in Louisville, Kentucky. Serving 1,741 food service establishments.
Pumping Requirements
Permits & Enforcement
Complete FOG Regulations
| Minimum Trap Size | 750 gallons minimum for exterior gravity grease interceptors; hydromechanical interceptors sized per fixture drainage load (minimum 20 GPM) |
|---|---|
| Pumping Frequency | Every 90 days minimum; must be serviced when grease and settled solids exceed 25% of effective volume |
| 25% Rule | Yes — trap must be pumped when grease and solids reach 25% of capacity |
| Permit Required | Yes |
| Permit Fee | No separate annual FOG permit fee; MSD wastewater discharge permit required |
| Maximum Fine | $10,000 per violation per day; MSD may also assess cost recovery for SSO cleanups |
| Inspections | Annual inspections of FSEs by MSD; higher-risk facilities inspected more frequently |
| Record Keeping | Required — maintain pumping logs and manifests on-site |
| Plumbing Code | International Plumbing Code (IPC) |
| Ordinance Ref. | Louisville/Jefferson County Metro Government Sewer Use Ordinance; MSD FOG Management Guidelines |
| Authority | Louisville/Jefferson County Metropolitan Sewer District (MSD) |
Additional Notes
Kentucky follows IPC-based state plumbing code. Louisville MSD publishes detailed FOG Management Guidelines requiring all FSEs to install and properly maintain grease interceptors. Cleaning records and waste hauler manifests must be retained on-site for a minimum of 3 years and made available upon inspection. Contact: (502) 587-0603 or projectwin@msdlouky.org
Regulations change frequently. Always verify current requirements with your local wastewater authority or plumbing inspector before making compliance decisions. Last updated: March 2026.
Contact Information
Jefferson County Metropolitan Sewer District: (502) 587-0603 or projectwin@msdlouky.org
Official Sources
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