Sewage cleanup in Boston

Help with sewage and contaminated-water damage

A drain backup can leave contaminated water across floors and around belongings. This needs a different cleanup approach from an ordinary clean-water leak. Stay out of the affected area and tell the provider about suspected sewage at the start of the call.

What sewage cleanup can involve

The proposal may include separating affected spaces, removing contaminated water and materials, cleaning, drying, and repairs. What can be retained or must be removed depends on the contamination and materials involved.

Fixing the backup and cleaning the damage

Clearing or repairing a drain addresses the source. Restoration addresses the affected rooms and materials. A plumber and a restoration provider may both be needed. If a plumber has attended, share what they found so the cleanup discussion starts with that information.

Keep people and pets away

Do not enter sewage or floodwater to take photos or investigate the source. Floodwater can contain sewage, chemicals, debris, and electrical hazards. Describe observations from a safe place.

Before cleanup begins

Confirm the areas included, material removal, drying, disposal, and any separate repairs in the written proposal. For Cambridge, see the City’s published sewer-backup contact sequence. Elsewhere, follow your municipality’s reporting instructions. Compare written cleanup estimates if needed.

Safety reference: CDC floodwater safety guidance. Reviewed October 23, 2026.

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