As of 2026/08/09 02:53
Water level information
- River name
- Tachiai river
- Current water level（m）0.27
- (m) until flood3.43
Legend？
Legend
| Designated water level |
| Flood inundation water level |
3.70 |
| 80% water level |
2.59 |
| 50% water level |
|
| Observation data |
| ＊ |
Missing |
| Blank |
Unmeasure |
See the list
| Observation date & time |
Water level（m） |
| 02:50 |
0.27 |
| 02:40 |
0.32 |
| 02:30 |
0.34 |
| 02:20 |
0.35 |
| 02:10 |
0.37 |
| 02:00 |
0.40 |
| 01:50 |
0.43 |
| 01:40 |
0.46 |
| 01:30 |
0.50 |
| 01:20 |
0.51 |
| 01:10 |
0.53 |
| 01:00 |
0.54 |
Tokyo Metropolitan - Flood Control Integrated Information System (Bureau of Construction River Division) Provide