Sewer Backups are never expected and can occur anytime. The smell is horrible and it’s extremely unhealthy for you and your property.

Sewer Backups is caused by heavy rainfall or flood. The excess water causes sewage backup to flow back out the city sewer lines, which causes a terrible odor in your house because it enters through your drain pipes.

Other causes of Sewer Backups include excess water that come up from your sink, toilet, or bathtub, tree roots, and improper disposal of grease. Sewer Backups is also caused by everyday waste build-ups, which includes hair, food, and other small waste items that are flushed and pushed down your drains.

Sewer Backup is one of the Emergency Plumbing services Draintony provides. Call us now at 416-938-5102 or Contact us today to Get a Free Quote!


If there is a basement in your home or if the ground floor is less than a foot above street level, the risk of a Sewer Backup increases. You can protect your property from Sewer Backup by installing a backwater valve on the main sanitary drain.

A backwater valve is a cost-effective device as a Sewer Backup Protection which allows a one way flow from your home to the sewer and closes up as soon as backflow is detected. Sewage will not be able to flow back into your house if there is a Sewer Backup when you have a backwater valve in place.