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Preventing sewer back-ups

FAQs about grease traps

A grease trap is a plumbing device that collects grease and prevents it from going down your drain. Fat, oil and grease hardens as it cools and sticks to the inner lining of sewer pipes, eventually causing a blockage. A grease trap will protect your sewer and save you money.

Read our frequently asked questions about grease traps.

Don't throw garbage down the drain

Things that go into the sewer through toilets, sinks or storm drains can clog our sewer system or end up in our rivers. You can help make a difference in the health of our waterways by following these proper disposal suggestions.

Sewers and tree roots

Roots from trees growing near sewer lines do not actively penetrate sewer pipes and cause blockages. Roots gain entry through previously cracked portions of sewer pipes.

Sewer lines should be kept in good repair, properly maintained and regularly cleaned. This is especially important in older structures where tree roots often gain entry to sewer pipes through cracked portions of the pipe, causing blockages.

Learn how to prevent sewer back-ups due to blockages by tree roots.

Protect your home from basement flooding

Even if you or your neighbourhood have never experienced problems with basement flooding, heavy rainstorms can overwhelm city sewer systems. Overloaded sewers can back up through house sewer lines and flow into basements that aren't protected.

Learn how to protect your home from basement flooding.

Last updated: March 13, 2014