What size grease interceptor is required in Cincinnati?

Minimum 1,000 gal, per the official source. Your plumbing official can require more.

States / Ohio / Cincinnati

Cincinnati, OH grease trap & interceptor requirements

Quoted from official 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
Permit / fees: not stated in the sources we checked

From the official source(s) below, last checked 2026-10-17. Rules change; verify with your city.

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: “Minimum 1,000-gallon gravity grease interceptor for each 950 lbs of grease capacity required.”
Sizing rule	Minimum 1,000 gal. Source says “Minimum 1,000-gallon gravity grease interceptor for each 950 lbs of grease capacity required.”
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	Not stated in the sources we checked
Record keeping	Not stated in the sources we checked
Pumper / hauler approval	Use an approved / licensed grease hauler. Source says “List of Permitted Waste Haulers: View our list of waste haulers that are registered with MSD and permitted to discharge restaurant grease at an MSD facility.”
Reporting portal	Not stated in the sources we checked
Fines & penalties	Not stated in the sources we checked
Program contact	[email protected] · (513) 244-1330

Sources

https://msdgc.org/sites/default/assets/downloads/Customers/Food-Services/Kitchen_Grease_Trap_Interceptor_Info.pdf · checked 2026-10-17
https://msdgc.org/customers/food-service-customers/ · checked 2026-10-17

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