How often do grease traps have to be pumped in Kansas City, MO?

Pump before grease + solids reach 25% of depth/capacity. Source: the official program source, checked 2026-10-17. Rules change; confirm with the local sewer authority.

States / Missouri / Kansas City

Kansas City, MO grease trap & interceptor requirements

Quoted from official source Last checked 2026-10-17. Report an error / rule changed

Quick answer

How often to pump: Before grease + solids reach 25% of depth/capacity
Interceptor minimum / sizing: not stated in the sources we checked
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: “Food Service Establishments are required to install appropriately sized grease interceptors before. connecting to the collection system.”
Sizing rule	Not stated in the sources we checked
Pumping / cleaning frequency	Pump before grease + solids reach 25% of depth/capacity. Source says “This rule states that when 25% of a vertical core sample from the. interceptor is filled with solids and grease layers, the interceptor must be cleaned.”
Permit required?	Not stated in the sources we checked
Permit & program fees	Not stated in the sources we checked
Inspections	Grease traps/interceptors are subject to inspection. Source says “Kansas City conducts routine inspections of food service facilities to ensure compliance with sewer use. codes every two years.”
Record keeping	Keep pumping and maintenance records (manifests/logs) available for inspection. Source says “Food service establishments are required to keep detailed records of all cleaning and maintenance. activities for a minimum of three years ( Sec.”
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	816-513-0600

Sources

https://www.kcwater.us/programs/residential-fog/ · checked 2026-10-17
https://www.kcwater.us/programs/restuarants-fog/ · checked 2026-10-17

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Use the grease interceptor sizing calculator (UPC, IPC and PDI methods), then confirm Kansas City's own minimums above. Not sure how often to pump? Read how often to pump a grease trap.