Use start / cancellation of water supply, application for fund transfer / credit card payment

１．Date and time of maintenance
From 1:00 am to 2:00 am on Tuesday, February 25, 2025
※Depending on the progress of the work, the maintenance end time may be changed.

２．Impact of maintenance
During the maintenance time, the following services cannot be used or viewed several times (about a few seconds to several tens of seconds per time).

• Application for starting or discontinuing use of water supply via the Internet
• WEB Member Site New Member Registration / Login
• Fund transfer application form, credit card payment application mail application

We apologize for any inconvenience this may cause, but we ask for your understanding.
※Applications for the web fund transfer reception service and credit card payment are not subject to maintenance and can be used.

Application (outside site) of use start, use cancellation of water supply via the Internet

※If you only need to change your name without payment, please contact Water Works Bureau Service Center.

Web fund transfer reception service (external site)
※This service uses a security-protected external site provided by Yamato System Development Co., Ltd. and financial institutions.
※Please refer to the web fund transfer reception service (water charges, etc.) for details and precautions.

Application procedure for City of Yokohama, Water Works Bureau Credit Payment (external site)

• Precautions for Use of Card Companies and Credit Cards
• It will take about one month to complete the credit card payment procedure.
• Depending on the credit card used, you may be able to apply on the credit card company website or application form.
• When applying, a "customer number" is required, so please prepare a meter reading slip.

Fund transfer application, credit card payment application mail application (outside site)

City of Yokohama, Water Works Bureau Web Member Site New Member Registration and Login Page (External Site)

• The WEB member website maintains regularly (once a month, about 2 hours).
  In addition to regular maintenance, planned maintenance and emergency maintenance may be performed.
• City of Yokohama, Water Works Bureau Website Members may not be able to access or apply temporarily due to maintenance or other reasons.
  If access or application is no longer possible, an error screen such as "404 not found" may be displayed.
  In that case, please access and apply again after a long time.
• City of Yokohama, Water Works Bureau does not provide services through the app.
• What is a Web Member Site?

• Depending on the Internet environment used by customers, you may not be able to use the service.
  If it is not availableWater Works Bureau Customer Service CenterPlease contact us.
• You may not be able to access or apply temporarily due to maintenance of the City of Yokohama, Water Works Bureau website.
  If access is not possible, an error screen such as "404 not found" may be displayed.
  In that case, please wait a while and access again.
• It will take about one month to complete the credit card payment procedure.