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Thread: Sewer backup

  1. #1
    Join Date
    Jul 2012
    Posts
    2

    Default Sewer backup

    I live in a 80yr flat roof terrace house in Montreal. Rainwater drains from the roof into the sewer system through the house. In the last few years we seem to be getting monsoon like rain storms causing water to backup into the basement. The city does not allow for sewer backup valves because that would cause the rainwater to come through the walls wherever there is a joint in the rainwater pipe. Is there a way of changing the roof to redirect the water into rainbarrels in the backyard.

  2. #2
    Join Date
    Jan 2009
    Location
    Needham, MA
    Posts
    559

    Default Re: Sewer backup

    you can redirect the water from the downspouts to some kind of rainwater collection system but the bigger issue is the sewer pipe. no matter what you do with the rain water from your house the same problem will continue because the sewer pipe out at the street is the one backing up and sending water back into your system. the only option i can think of is to install a backflow preventer on your line where it exits the house. now if they say you can't do that, then you might have to dig up your yard and install the backflow preventer out by the sewer main at the edge of your property.

  3. #3
    Join Date
    Jul 2012
    Posts
    2

    Default Re: Sewer backup

    It would still mean that the rainwater coming from the roof and having nowhere to go will end up in the basement.

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