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Water and Wastewater



Sewer Systems

Understanding a Homeowners’ Responsibility

Homeowners have certain responsibilities when it comes to maintaining the sewer system as it relates to the home.

  1. The sanitary sewer

    The pipes throughout your home that collect wastewater are a homeowner’s responsibility. Keeping these pipes free of debris - like hair or grease - keeps them functioning properly.

    The section of pipe that runs beneath your home to the property line is also a homeowner’s responsibility. If that section of pipe gets clogged with large objects being flushed down a toilet, by a large amount of grease from the kitchen sink, or by the roots of the trees on your front lawn, it is the homeowners’ responsibility to have it cleared out.

    If you think you are having problems with the pipe beneath your home, call the Region of Peel at

    Remember, sinks and toilets are not a garbage can. Please dispose of diapers, large objects, hair and grease into the garbage and not into your pipes. Backups are most commonly caused by items that should never be flushed down the toilet or poured down the drain.

    Find out more items not to put into your sewer system.

  2. The storm sewer

    The storm sewer carries storm water from roads, paved areas, roofs and surface drains as well as from building foundations. The storm sewer is mostly the responsibility of the area municipality - the cities of Brampton, Mississauga and the town of Caledon.

    But water on your property is a homeowners’ responsibility and preventative maintenance can make sure storm water gets into the storm sewer as easily as possible:

    • Keep the storm sewer cover free of debris like leaves and snow
    • Consider disconnecting your downspouts if they are directly connected to the underground storm drainage pipes. Make sure that they run away from your home and onto your lawn or garden
    • Check the grading of your property. You want water to flow away from your home and toward the storm sewer

    See types of flooding for other ways of controlling the flow of water outside your home.

    In the case of a large storm, be patient. Water will eventually make its way into the storm sewer. Do not go onto the road and open up manhole covers. This may divert water into the sanitary sewer, which is not designed for storm water.

    Remember, the storm sewer is designed to carry large quantities of water. Make sure the water outside your home is draining toward the storm sewer cover, where it will flow into storm water management ponds, lakes and rivers.

Sewer Emergencies - Who to Call >>

Revised: Tuesday November 05 2019


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