Grease Trap Requirements
Meridian, ID
FOG compliance regulations for food service establishments in Meridian, Idaho.
When FOG and solids exceed 20%
Pumping Freq.
Required
Permit
Check locally
25% Rule
IPC
Code Base
Pumping Requirements
Frequency When FOG and solids exceed 20% of unit volume; high-volume kitchens may need weekly cleaning
25% Rule Check locally
Permits & Enforcement
Permit Required Required
Permit Fee Unknown - see city fee schedule at apps.meridiancity.org/CITYFEEWEB
Max Fine Unknown - per Meridian City Code Title 9 enforcement provisions
Complete FOG Regulations
| Minimum Trap Size | Per city and Idaho plumbing code requirements |
|---|---|
| Pumping Frequency | When FOG and solids exceed 20% of unit volume; high-volume kitchens may need weekly cleaning |
| 25% Rule | Check with local authority |
| Permit Required | Yes |
| Permit Fee | Unknown - see city fee schedule at apps.meridiancity.org/CITYFEEWEB |
| Maximum Fine | Unknown - per Meridian City Code Title 9 enforcement provisions |
| Inspections | Periodic per pretreatment program |
| Record Keeping | Required — maintain pumping logs and manifests on-site |
| Plumbing Code | International Plumbing Code (IPC) |
| Ordinance Ref. | Meridian City Code Title 9, Chapter 2 (Water and Sewer); US 40 CFR 403 federal pretreatment standards |
| Authority | City of Meridian Public Works - Pretreatment Program |
Additional Notes
Uses a stricter 20% rule instead of the standard 25% rule. Free Fat-Free Drain Kit available at City Hall Utility Billing (includes plastic can topper, grease scraper, info card). Pretreatment Program Manager at 208-888-2191. Full responsibility on FSEs for installation, inspection, and maintenance.
Regulations change frequently. Always verify current requirements with your local wastewater authority or plumbing inspector before making compliance decisions. Last updated: March 2026.
Size Your Grease Trap for Meridian
Our free calculator uses IPC code requirements to recommend the right size.
Open Calculator