What happens when you flush a toilet in Montreal?

This question came from a nine-year-old boy who is curious about our sewer system, so you’d better believe we took him and his dad on a field trip to Montreal’s wastewater treatment plant.

In this episode of Good Question, Montreal, we find out what happens to the water we use and what we can do to make it cleaner before we send it back into the environment.

LISTEN | What happens when you flush a toilet in Montreal?

20:18What happens when you flush a toilet in Montreal?

This question came from a 9-year-old boy who is curious about our sewer system, so you’d better believe we took him and his dad on a field trip to Montreal’s wastewater treatment plant! We find out what happens to the water we use and what we can do to make it cleaner before we send it back into the environment.


Do you have a question about Montreal? Host Ainslie MacLellan is determined to help find the answer. Whether it’s a story that’s disappeared from the headlines, a curious landmark in your neighbourhood, or a quirk of Montreal life you’ve been wondering about, we’re on it. Let’s learn about this place together.

Your Montreal questions, answered weekly. Nothing too big, too small or too weird. What are you wondering? Send us your question here: cbc.ca/GoodQuestionMontreal.

Tune in to Good Question, Montreal every Thursday on CBC Listen or wherever you get your podcasts. 

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