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Important news


Please be careful about suspicious individual talking about the Water Works Bureau staff
 We talk about Water Works Bureau, and forthcoming cases are frequent for quality of the water investigation and installation of water purifier. We do not visit Water Works Bureau without request from customer. Please be careful.


About radioactive material of tap water (result of a measurement)


Water Works Bureau fountain mark City of Yokohama, Water Works Bureau customer Service Center - November 27, 1998 making - December 5, 2018 update
Opinion, inquiry - su-hamapyon@city.yokohama.jp
Inquiry may have time for answer to the e-mail address mentioned above.
You call following customer Service Center, and, in the case of dispatch, please fax.
Telephone: 045-847-6262 - FAX: 045-848-4281
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