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May 27, 2026

What to Do After a Sewage Backup in Your Home

Mop, bucket, and squeegee beside a floor drain

A sewage backup is not like other water damage. The water is contaminated, the health risks are immediate, and the cleanup is not a do-it-yourself job. Here’s what matters most in the first hour, and when to call (888) 414-0519.

1. Keep everyone away from the affected area

Sewage water can carry bacteria, viruses, and other contaminants. Keep children and pets out of the area entirely, and avoid walking through it yourself. If the backup is spreading, closing interior doors can help contain it.

2. Stop using water in the house

Every flush, running sink, and appliance cycle can add to a backup. Shut off water use throughout the home until the cause has been identified.

3. Turn off power to the area, if you can do it safely

If standing water is near outlets or appliances and your breaker panel is somewhere dry and accessible, shutting off power to that area is worth doing. If reaching the panel would mean stepping through water, do not attempt it. Wait for a professional.

4. Avoid cleaning it yourself

Household cleaners are not designed to disinfect sewage-contaminated water, and porous materials such as carpet, padding, and drywall often cannot be salvaged once saturated. Professional cleanup typically involves extraction, removal of affected materials, drying, and antimicrobial treatment.

5. Document what you can from a distance

Photographs and video help when you file an insurance claim. Take them from outside the affected area rather than wading in for a closer angle, and keep records of any related repairs or service calls.

Why time matters

Sewage backups tend to get worse the longer they sit. Contamination spreads into surrounding materials, and the moisture left behind can create conditions for mold growth. Addressing the source and beginning proper cleanup quickly gives you the best chance of limiting the damage.

When to call for help

Sewage backups, contaminated water, and water that has soaked into flooring or walls generally call for professional equipment and expertise. Restoration Rescue is a free referral service that connects you with an experienced restoration contractor serving your area, any time of day or night. Contractors operate independently, and it remains your responsibility to verify licensing and insurance.

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