As of 2026/06/09 05:18
Water level information
- River name
- Kotta river
- Current water level（m）0.40
- (m) until flood3.30
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） |
| 05:10 |
0.40 |
| 05:00 |
0.43 |
| 04:50 |
0.46 |
| 04:40 |
0.47 |
| 04:30 |
0.44 |
| 04:20 |
0.42 |
| 04:10 |
0.42 |
| 04:00 |
0.40 |
| 03:50 |
0.38 |
| 03:40 |
0.40 |
| 03:30 |
0.43 |
| 03:20 |
0.46 |
Tokyo Metropolitan - Flood Control Integrated Information System (Bureau of Construction River Division) Provide