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Examination of water point

Last update date April 1, 2020

In the point necessary for water quality management, we examine water to send safe tap water to customer. In addition to examination of water in faucet, we establish examination of water point in the water source taking in water purification plant forming the tap water and the natural water and examine water regularly.

Person who wants to know examination of water in detail to water supply (the water supply quality of the water of relief, safe water, Yokohama-shi) of Yokohama

Examination of water who wants to know frequency and item to examination of water plan

Examination of water who wants to know result to examination of water result

Faucet (feed cock)

We examine water of standard of water items with faucets such as parks of 15 city for each system including water purification plant and company group tray water once a month.
In addition, examination of water item to perform more than once a day based on the water supply method chooses plural points for each water distribution system and inspects in 43 places.

Water purification plant

We perform water quality test of each process to confirm that process control of clean water processing is carried out appropriately.

Person who wants to know clean water processing in detail to structure of water purification plant

Water source

Besides, the quality of the water of water source performs water quality test in basin with water intake point of water source 3 system (the Doshi River system, Sagamiko system, Banyu River system) of Yokohama-shi to affect the clean water processing.

Person who wants to know summary of water source in detail to water source of Yokohama-shi

Inspection point (we extract than examination of water plan)

Inspection point of faucet (feed cock) and position of water purification plant

Map of inspection point of faucet (feed cock) and water purification plant

Inspection point of water source

Map of inspection point of water source

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
※You run, and please be careful not to make any mistake

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]

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Page ID: 199-997-330

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