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How a sewage treatment plant works (elementary level)

Water on earth has always been the same: what we soil today is what we will drink tomorrow

Publication date:

15/12/2023

© Provincia autonoma di Trento -

Description

Water and its purification

In nature, the water cycle has no beginning and no end.
On its journey, water continues to transform itself into steam, rain, snow, hail, dew, fog and ice.

Only a very small portion of fresh water (i.e. not sea or ocean water) is available to man and other living beings and this is the water that flows in rivers, lakes or underground.
From there it is drawn and distributed to the countryside, homes and factories.
Only water that reaches the home undergoes drinking water treatment for hygienic and food purposes.
The water that is used and dirtied enters the drainage pipes (sewers) that lead it to the purification plant.

Finally, it flows back into the river and the sea to return to its natural cycle.

For more on this topic, click here.

Read more about purification in Trentino here.

Additional information

Last modified: 09/06/2025 10:07 pm

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