ISSUE GUIDE

Basement floor drain backup from clogged sewer line

Clogged Main Sewer Line

A clogged main sewer line can cause widespread drain backups and potential health hazards.

Sewage exposure is hazardous. Avoid contact.

RECOMMENDED PRO

WHAT THIS USUALLY MEANS

This typically indicates a blockage caused by debris, roots, or pipe collapse.

DIY-SAFE CHECKS

Check for multiple slow drains

Listen for gurgling sounds

Inspect cleanout if accessible

HOW TO FIX

Stop using plumbing fixtures

Shut off water if backups worsen

Call a licensed plumber

DIY attempts often worsen damage and are not advised.

WHEN TO CALL A PRO

If sewage backs up

If odors persist

If all drains are affected