As of 2026/03/22 09:48
Water level information
- River name
- Kotta river
- Current water level（m）0.18
- (m) until flood3.52
Legend？
Legend
| Designated water level |
| Flood inundation water level |
3.70 |
| 80% water level |
2.96 |
| 50% water level |
1.85 |
| Observation data |
| ＊ |
Missing |
| Blank |
Unmeasure |
See the list
| Observation date & time |
Water level（m） |
| 09:40 |
0.18 |
| 09:30 |
0.18 |
| 09:20 |
0.18 |
| 09:10 |
0.18 |
| 09:00 |
0.18 |
| 08:50 |
0.18 |
| 08:40 |
0.18 |
| 08:30 |
0.18 |
| 08:20 |
0.18 |
| 08:10 |
0.18 |
| 08:00 |
0.18 |
| 07:50 |
0.18 |
Tokyo Metropolitan - Flood Control Integrated Information System (Bureau of Construction River Division) Provide