Sewage backing up into drains
Dirty water coming up through a floor drain, tub or toilet.
What you're probably seeing
Dirty water coming up through a floor drain, tub or toilet.
Likely causes
- A blocked main sewer line.
- Roots or a collapsed section in the line.
- Storm overload of the city sewer.
Safe checks you can do now
- Stop using water and flushing toilets.
- Keep kids and pets away.
- Don't clean it up with household products.
When to call a pro
Now: a plumber clears the line and a cleanup company handles the mess.
General information about common causes, not a diagnosis of your home.
FAQ
Quick answers
Who fixes sewage backing up into drains?
A water damage restoration company. Call (888) 261-1486 to connect with an independent local water damage restoration company.
How much does it typically cost?
Main sewer line cleaning: $200–$500 (hydro jetting $600–$1,400); Water damage restoration: $2,000–$6,000 typical (extraction $4–$12 per sq ft) (HomeGuide 2026 national ranges). Your pro sets the real number after seeing the job.
When should I call?
Now: a plumber clears the line and a cleanup company handles the mess.
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