The City of Markham's sanitary sewer system collects and moves domestic/industrial wastewater to the Duffin Creek Wastewater Pollution Control Plant located in Pickering, Ontario.
There are pipes throughout your home that only collect wastewater. These pipes are a homeowner's responsibility. They include the drains leading from kitchen sinks, toilets, and showers. Keep these pipes free of debris - like hair or grease - to keep them functioning properly.
The section of sewer 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, baby-wipes, grease buildup, or by tree roots on your front lawn, it is the homeowners' responsibility to have it cleared out.
Baby-wipes go into the garbage and should not be flushed, even if they say "flushable" on the package. Hair and grease into the green bin and not into the wastewater system. Sewer backups are commonly caused by items that should never be flushed down the toilet or poured down the drain.