Grease trap cleaning log & inspection checklist — Madison, WI
Madison, WI rules (from the official source, checked 2026-10-19):
- Pumping: no fixed interval in the sources we checked; pump before grease + solids reach 25% of the trap.
- Records: “Facilities with grease traps/interceptors must submit proof of maintenance every year.”
Business: ____________________ Address: ____________________ Trap ID / location: __________ Size: ______ gal
| Date | Service (pump / skim / inspect) | Company & technician | Grease depth | Solids depth | % full | Gallons removed | Manifest # | Initials |
|---|---|---|---|---|---|---|---|---|
Self-inspection checklist — Madison, WI
Date: ________ Checked by: ________________
| Item | Yes | No | Notes / fix by |
|---|---|---|---|
| Trap / interceptor pumped within the required interval | |||
| Grease + solids below 25% of trap depth at last check | |||
| Cleaning log filled in for every service | |||
| Hauler manifests / service receipts on file | |||
| Permit current and on site (if your city requires one) | |||
| Lids, baffles and sample point intact and accessible | |||
| Sink strainers in place; no grease poured down drains | |||
| Staff know the cleaning schedule and who to call |
A self-check aid, not an official form. Your city's ordinance and inspector decide what is required.
Grease rule changes, once a week
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