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Inquiries by e-mail

Final update date September 13, 2019

Inquiries by e-mail may take some time to respond (Saturday, Sunday, national holidays, New Year's holidays will be handled after the next business day.) I'm sorry. Please also check "Frequently Asked Questions Q & A".
In addition, we do not accept requests for contracts and procedures (see below) by e-mail because it is difficult to confirm whether or not the contractor is the contractor. Please contact Water Works Bureau Service Center, please.

An example of a business that cannot be accepted by e-mail

・Reissue of delivery notice
・Confirmation of customer's personal information managed by Water Works Bureau (water consumption, charges, customer number, etc.)
Notification of start / stop of use (Please contact Water Works Bureau Customer Service Center or Internet application page
・Name change
・Payment consultation
・Issuance of various certificates
・urgent business     etc.

About opinion, request about water supply business, please use "proposal from citizen".

For inquiries, please specify the following and send it. We may not be able to respond to anonymous questions.

  • Name (required)
  • Address (required)
  • Contact information (required)
  • Customer number (9-digit number described in meter reading notice etc. Example: 12-34-56789
  • Inquiries (required)

The personal information you receive will be properly managed and used only for responding to inquiries and responding to requests.
Send an inquiry email

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 Works Bureau Water Supply Service Department

Telephone: 045-671-30733

Telephone: 045-671-30733

Fax: 045-212-1168

Email address: [email protected]

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Page ID: 254-858-707

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