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.
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.