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
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.
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
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
Inspection point of water source
Inquiry about water supply to Water Works Bureau customer Service Center