How often do grease traps have to be pumped in Chattanooga, TN?

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 / Tennessee / Chattanooga

Chattanooga, TN 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: “FSE shall have a single grease interceptor installation.”
Sizing rule	Source says: “The minimum grease trap size for bakeries of any type shall be 250 gallon capacity.”
Pumping / cleaning frequency	Pump before grease + solids reach 25% of depth/capacity. Source says “If the FOG and food solids content of the grease trap are greater than 25%, then the grease trap must be cleaned as frequently as needed to prevent 25% of capacity being taken from FOG and food solids.”
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 “The owner shall provide personnel to open/close the grease interceptor for inspection.”
Record keeping	Not stated in the sources we checked
Pumper / hauler approval	Use an approved / licensed grease hauler. Source says “Grease Trap waste shall be sealed or placed in a container to prevent leachate from leaking, and then disposed or hauled offsite by a grease waste hauler to an approved disposal site.”
Reporting portal	Not stated in the sources we checked
Fines & penalties	Not stated in the sources we checked
Program contact	423-757-5026

Sources

https://chattanooga.gov/sites/default/files/resources/FOG_Management_Plan_4-16-14_Public_Review_Submittal.pdf · checked 2026-10-17
https://chattanooga.gov/government/wastewater/pretreatment · checked 2026-10-17

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