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Water supply information

Final update date May 1, 2021

In City of Yokohama, Water Works Bureau City is promoting renewal work to renew aging facilities and water pipes in order to build a public utilities, which is strongly trusted by disasters.
Renewal work will continue to supply tap water to everyone in a stable manner.
We apologize for any inconvenience during construction, but we ask for your understanding and cooperation.
In addition, please see as we publish main water supply construction that City of Yokohama, Water Works Bureau works on the Hama Pyeongmap, which is posted on the Yokohama City Administrative Map Information System.
(Note) In addition to the works listed on this page, emergency works such as water leak repair work may be carried out.

How to use Hama Pyeongmap

By entering your Address can be entered to check the construction information on the map.

If you are using a smartphone, please use the following two-dimensional barcode.


2D barcodes (Yokohama City Administrative Map Information System (outside site))

For inquiries about water supply, please contact Water Works Bureau Customer Service Center.

Water Works Bureau Customer Service Center

Telephone: 045-847-6262 Fax: 045-848-4281
※Please be careful not to make a mistake.

Inquiries to this page

Water Distribution Division, Water Works Bureau Water Distribution

Telephone: 045-671-3064

Telephone: 045-671-3064

Fax: 045-212-1167

Email address: [email protected]

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Page ID: 580-220-294

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