A friend of mine sent me this article:
"If you live in Toronto there is a good chance that your home is serviced by a single sewer line that also services your rain water run off from your weeping tile. This is known as a combination septic/storm line.
There are issues with this combined system. If the line is backed up by tree roots or a blockage than your rain water can't escape the home. During a storm you can have the weeping tile saturate and water enter the home.
In the event that the city sewer line on your street is overwhelmed; sewage can enter your home and it can also potentially fill your weeping tile system. This catastrophe can literally destroy a weeping/plumbing system in a home.
What are the options available to a home owner in Toronto? The best and most thorough option is to install a back water valve on your sewage line. This is a flap that allows sewage to leave but not enter the home.
At the same time a homeowner can disconnect the weeping tile from the combination line and install a sump pit with an electric or water based sump pump. Rain water enters this pump and is then pumped out through a small pipe. It's a wise idea to install a battery back up for the sump system in the event of a power outage. The sump system will protect you from city sewer back up and remove potential gasses/sewage from your weeping tile.
Finally, the city of Toronto is offering up to $3,200 rebate for the back water valve, sump pump and eaves disconnect! This rebate makes doing a job of this expense (about $6,400) worth it."
Great article!
Karen
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