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

As of 2025/12/16 21:03

Water level information

Mito bridge

River name: Ayase river

Current water level（m）4.53
(m) until flood4.97

Legend？

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Observation date & time	Water level（m）
21:00	4.53
20:50	4.55
20:40	4.59
20:30	4.62
20:20	4.66
20:10	4.69
20:00	4.73
19:50	4.77
19:40	4.80
19:30	4.84
19:20	4.87
19:10	4.92