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Tokyo Metropolitan - Flood Control
Integrated Information System
(Bureau of Construction River Division)

From 2019/03/22, Tokyo Metropolitan Government - Flood Control Integrated Information System starts providing access via smart phone devices.

Flood forecast
No announcement


Sediment-related disaster alert information
No announcement


Water level well-known river
No announcement




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Rainfall information

Water level information




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 The condition of rainfall and river water level in Tokyo is automatically updated every 10 minutes.




Provide
Tokyo Metropolitan Gov., Bureau of Construction
River Office, Disaster Prevention Division