FOG / Grease Trap Service Records — Boston (BWSC)
Boston requires grease traps cleaned when 25% full — at minimum monthly for point-of-use traps and quarterly for large interceptors.
What it is. Recurring cleaning of the grease trap/interceptor with retained records, under BWSC rules.
Who issues/enforces it. Boston Water and Sewer Commission (BWSC) (City/special-district layer).
When you need it. Ongoing. Clean when 25% of the liquid level is FOG — at minimum monthly for point-of-use traps and quarterly for large in-ground interceptors.
How to comply. Use a licensed hauler; keep dated service records on site.
Cadence. Point-of-use traps: monthly. Large interceptors: quarterly.
What SpoonSeal tracks. The document(s) you upload for this requirement, with automatic renewal/expiration tracking (Current, Due Soon, Expired). Where the city publishes health-inspection results (e.g., NYC and Chicago), SpoonSeal syncs them automatically; elsewhere they can be added manually.
References
- Boston Water and Sewer Commission, Commercial Kitchen Grease Trap Guidelines — https://www.bwsc.org/business-customers/programs-guidelines-assistance/commercial-kitchen-grease-trap-guidelines — Official source last checked: 2026-07-02
Stay ahead of this requirement
SpoonSeal stores your documents, tracks expirations, and reminds you before anything lapses — so you are always inspection-ready.
Get started free →This guide is informational and not legal advice. Always confirm current requirements with the official agency linked above.