Inquiry about water supply to Water Works Bureau customer Service Center
Water Works Bureau customer Service Center
Telephone: 045-847-6262 fax: 045-848-4281
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Examination of water result
Last update date February 24, 2021
About examination of water
We confirm that tap water to send to customer by examination of water adapts to standard of water of the water supply method. In Yokohama-shi, we examine water in not only feed cock (faucet) required as place of examination of water but also doorway of water purification plant and water source.
Examination of water result
Examination of water result of monthly feed cock and water purification plant is divided for each seat of Excel workbook.
The number of times (frequency) of inspection is different for each place of inspection and item. For more information about place, item of examination of water, the number of times of inspection, please refer to examination of water plan.
Feed cock (faucet)
2020 examination of water result (feed cock) (Excel: 81KB)
2019 examination of water result (feed cock) (Excel: 92KB)
2018 examination of water result (feed cock) (Excel: 90KB)
Water purification plant
2020 examination of water result (water purification plant) (Excel: 76KB)
2019 examination of water result (water purification plant) (Excel: 84KB)
2018 examination of water result (water purification plant) (Excel: 84KB)
Inquiry to this page
The Water Works Bureau clean water part quality of the water section
Telephone: 045-371-5656
Telephone: 045-371-5656
Fax: 045-371-6942
E-Mail address [email protected]
