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About role of sewer

Last Updated September 12, 2024

Protect the natural environment

Role 1 Protect the natural environment

We live with clean water. Using water means dirtying the water. It is our duty to clean the dirty water and return it naturally. The sewer protects beautiful rivers and seas.


You can use a flush toilet.

Role 2 You can use the flush toilet.

The drawbacks of the pumping toilet - It is opened from bad smells and the hassle of pumping. Clean and odorless flush toilet can be used in any household.


Protect the city from flooding

Role 3 Protect the city from flooding

Many modern cities, including Yokohama, are developing in lowlands. As a result, drainage cannot be performed smoothly, such as during heavy rains, and often suffers from flooding. Sewers play a role in preventing rainwater from accumulating, just like rivers and waterways.


I'll clean the city

Role 4 Clean the city

Dirty rivers can cause odors, flies and flies. Maintenance of sewers eliminates such dirty rivers and dirty puddles. It is not only beautiful but also useful for creating a hygienic city.


To learn more about the sewer

Inquiries to this page

Sewerage River Bureau Management Promotion Department Management Promotion Section (plan)

Telephone: 045-671-2838

Telephone: 045-671-2838

Fax: 045-664-0571

Email address: gk-management@city.yokohama.lg.jp

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Page ID: 803-626-053

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