Legend
| Designated water level |
| Flood occurrence |
4.48 |
| Danger |
3.68 |
| Caution |
2.88 |
| Stand-by water level for Flood Defense |
2.18 |
| Observation data |
| ＊ |
Missing |
| Blank |
Unmeasure |
* Depending on the installation condition of the water gauge, the water level below 0.46m cannot be observed, therefore the measurement value will not change.
Tokyo Metropolitan - Flood Control Integrated Information System (Bureau of Construction River Division) Provide
