As of 2025/09/17 09:03
Water level information
- River name
- Onda river
- Current water level（m）0.11
- (m) until flood3.21
Legend？
Legend
| Designated water level |
| Flood occurrence |
3.32 |
| Danger |
2.72 |
| Caution |
2.32 |
| Stand-by water level for Flood Defense |
1.92 |
| Observation data |
| ＊ |
Missing |
| Blank |
Unmeasure |
See the list
| Observation date & time |
Water level（m） |
| 09:00 |
0.11 |
| 08:50 |
0.11 |
| 08:40 |
0.10 |
| 08:30 |
0.11 |
| 08:20 |
0.10 |
| 08:10 |
0.10 |
| 08:00 |
0.10 |
| 07:50 |
0.10 |
| 07:40 |
0.10 |
| 07:30 |
0.10 |
| 07:20 |
0.10 |
| 07:10 |
0.10 |
Tokyo Metropolitan - Flood Control Integrated Information System (Bureau of Construction River Division) Provide