Rockford, IL grease trap & interceptor requirements
Program run by Four Rivers Sanitation Authority (formerly Rock River Water Reclamation District). Hand-checked against source Last checked 2026-10-17. Report an error / rule changed
Quick answer
- How often to pump: not stated in the sources we checked
- Interceptor minimum / sizing: Minimum 1,000 gal / 1,500 gal
- Permit / fees: Permit required; fees listed: $300
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.
| Required trap / interceptor type | Source says: “Multiple tenant strip malls shall install an exterior grease interceptor, properly sized pursuant to Title 2, Article II, Section 8.A.5.” |
|---|---|
| Sizing rule | New or altered food service establishments that discharge FOG in quantities large enough to block lines must install a minimum 1,000-gallon interceptor; strip-mall interceptors may be no less than 1,500 gallons. âś“ checked against source |
| Pumping / cleaning frequency | Not stated in the sources we checked |
| Permit required? | A Food Service Establishment (FSE) permit is required; requirements are based on the grease-producing fixtures. âś“ checked against source |
| Permit & program fees | $300 FSE permit application cost. âś“ checked against source |
| Inspections | Not stated in the sources we checked |
| Record keeping | Not stated in the sources we checked |
| 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 | bladd@fourrivers.illinois.gov · (815) 387-7500 |
Sources
- https://fourrivers.illinois.gov/wp-content/uploads/2021/08/Industrial-Commercial-Sewer-Connection-Permit-Instructions.pdf · checked 2026-10-17
- https://fourrivers.illinois.gov/commercial-customers/food-service-restaurant-business-owners/ · checked 2026-10-17
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