As of 2025/11/22 20:58
Water level information
- River name
- Irima river
- Current water level（m）0.00
- (m) until flood3.02
Legend？
Legend
| Designated water level |
| Flood occurrence |
2.70 |
| Danger |
2.00 |
| Caution |
|
| Stand-by water level for Flood Defense |
|
| Observation data |
| ＊ |
Missing |
| Blank |
Unmeasure |
See the list
| Observation date & time |
Water level（m） |
| 20:50 |
0.00 |
| 20:40 |
0.00 |
| 20:30 |
0.00 |
| 20:20 |
0.00 |
| 20:10 |
0.00 |
| 20:00 |
0.00 |
| 19:50 |
0.00 |
| 19:40 |
0.00 |
| 19:30 |
0.00 |
| 19:20 |
0.00 |
| 19:10 |
0.00 |
| 19:00 |
0.00 |
Tokyo Metropolitan - Flood Control Integrated Information System (Bureau of Construction River Division) Provide