お知らせ

In English mode you can only apply to start or cancel water supply contracts.

Tokyo Water App　Download and Website

iPhone

Android

About a Customer Number

If you want to use this application, you need a customer number.
A customer number is a 10-digit number that is used to identify the water supply location.
It is written on the receipt or payment slip.

But in case that want to start water service contract don't need it.

Registration process video

操作動画	リンク
1.How to start water service contract	https://youtu.be/f80Hp6quMr8
2.How to stop water service contract	https://youtu.be/CErFGUbR1D4
3.How to stop and start water service contract	https://youtu.be/KC5v6biL4T8

User manual for registration

You can confirm how to use the application by below manual.

Inquiries about Tokyo Water App

　For inquiries about the Tokyo Water App, please refer to the FAQ in the link below. You will be redirected to the Frequently Asked Questions page on the Bureau of Waterworks website.

　⇒FAQ

Contact form

　If you cannot solve your problem with the FAQ, you can inquire by email instead. Please send your email to suitekikun@waterworks.metro.tokyo.jp.

　At the beginning of the email, write your name, the location of your water contract, and your customer number (if you know it).
If you would like to receive a reply by telephone, please indicate this as well.

　* It may take up to 2 weeks to reply.
* We cannot answer questions related to water service contracts by email.
* Personal information will be handled appropriately in accordance with the Act on the Protection of Personal Information.

If you cannot use the Tokyo Water App

　Click here to start and cancel your water contract.