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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 visitor. Please be careful.


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


Water Works Bureau fountain mark City of Yokohama, Water Works Bureau visitor Service Center - November 27, 1998 making - November 22, 2017 update
It is inquiry - su-hamapyon@city.yokohama.jp opinion
Inquiry may have time for answer to the e-mail address mentioned above.
You call following visitor Service Center, and, in the case of dispatch, please fax.
Telephone: 045-847-6262 - FAX: 045-848-4281
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