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Sewer office

Last updated on April 2, 2025.

About sewer office

◆Main work of the sewerage office
・Construction supervision of the main line sewer pipes
・Construction supervision of water reclamation centers and pumping stations
・Management of planned sewerage business sites
I'm doing it.

If you have any questions or permissions other than the above, please contact the Public Works Office of each ward.
Click here (outside site) if you want to know the supervisory department of sewerage works

Office location
Northern partSouthern part

Address
〒240-0003
2-47-1, Tennoucho, Hodogaya-ku, Yokohama-shi
TEL: 045-337-3010
FAX: 045-337-3013
Guide map

Address
〒244-0841
96-1, Naganumacho, Sakae-ku, Yokohama-shi
TEL: 045-871-4471
FAX: 045-863-0668
Guide map


[Request before making inquiries to the sewer office]
 The name was changed from "Sewerage Construction Office" to "Sewerage Office" from 2021.
Before contacting the above contact information, please confirm the main work contents of the sewer office.

What kind of work are you doing?

◆We are building sewer pipes to prevent flooding caused by heavy rain.

◆We are building facilities to clean dirty water and renovating old facilities.

List of street construction under construction (as of March 31, 2025)

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Inquiries to this page

Sewerage and Rivers Bureau Sewer Pipeline Sewerage Office

Phone: 045-337-3010

Phone: 045-337-3010

Fax: 045-337-3013

E-Mail address [email protected]

Return to the previous page

Page ID: 726-954-975

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