Imagining Tomorrow: When I Flush the Toilet, Where Does it Go?


When I flush the toilet, where does it go?

When you flush the toilet, water and waste flow through pipes in your house. These pipes are connected to a bigger bunch of pipes that belong to the city, called a “sewer system.” The water in the city’s sewer system travels to a wastewater treatment plant. At the treatment plant, your toilet flush is filtered and cleaned to remove any harmful germs and material before being sent back out to the nearest body of water where it will enter the natural water cycle again. Taking care of waste helps to protect people, plants, and animals.

From flush to finish, wastewater engineers are working hard to keep our water safe and clean.

Discover more about the inner workings of our world with your children through our previous Imagining Tomorrow videos, or learn more information about what Horrocks Engineers can do by visiting our services page today.

Other Imagining Tomorrow Videos:

What is an Engineer?

Where Does Our Drinking Water Come From?

What Causes Traffic?

HORROCKS 2021

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