For inquiries regarding water supply, please contact the Water Works Bureau Customer Service Center.
Water Works Bureau Customer Service Center
Telephone: 045-847-6262 Fax: 045-848-4281
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Last Updated October 20, 2022
City of Yokohama, Water Works Bureau has been measuring radioactive materials in the soil generated at Nishiya Water Purification Plant and Kawai Purification Plant. Since FY2012, the measurement of radioactive materials in water purification soil has been completed in FY2021, since the clearance level (100 becquerels / kg), which is a dose that can ignore the effects on human health.
Measurement results for FY2021 (PDF: 39KB)
Measurement results for FY2020 (PDF: 44KB)
Measurement results for FY2019 (PDF: 113KB)
Measurement results for FY2018 (PDF: 113KB)
Measurement results for 2017 (PDF: 113KB)
Water Works Bureau Customer Service Center
Telephone: 045-847-6262 Fax: 045-848-4281
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Nishiya Water Purification Plant, Water Works Bureau Water Purification Department
Telephone: 045-371-5335
Telephone: 045-371-5335
Fax: 045-371-8969
Email address: su-nishiyajosui@city.yokohama.lg.jp
Page ID: 508-202-394