For inquiries regarding water supply, please contact the 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.
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- Inquiry by e-mail about water supply
Here's the text.
Inquiry by e-mail about water supply
Last Updated February 14, 2025
For inquiries by e-mail
For inquiries by e-mail, it may take some time to respond.
(Saturdays, Sundays, holidays, and New Year's holidays will be handled after the next business day.)
E-Mail address
su-hamapyon@city.yokohama.lg.jp
For inquiries, please send the following information.
We may not be able to respond to anonymous questions.
- Name (required)
- Address (required)
- Contact information (required)
- Contents of inquiry (required)
- Customer number (9-digit number indicated in the meter reading notice, etc.) Example: 12-34-56789)
The personal information you receive will be properly managed and will only be used to respond to inquiries.
In addition, we do not accept requests related to contracts and procedures by e-mail because it is difficult to confirm whether you are the contractor.
Please contact the Water Works Bureau Customer Service Center.
Please also refer to "Frequently Asked Questions Q & A".
For inquiries that cannot be answered by e-mail
For inquiries regarding the following content, we will not be able to respond or request by e-mail.
Please contact the Water Works Bureau Customer Service Center.
・Confirmation of personal information of customers managed by Water Works Bureau (water consumption, charges, customer number, etc.) |
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About opinion, request about water supply business, please use "suggestion from citizen".
Inquiries to this page
Water Works Bureau Water Supply Service Department Service Promotion Section
Telephone: 045-671-3073
Telephone: 045-671-3073
Fax: 045-212-1168
Email address: su-sabisu@city.yokohama.lg.jp
Page ID: 254-858-707
