| Attribute | Udawalawa × | Lower Seletar × |
|---|---|---|
| Bordering countries | ||
| Surface Area (km²) | 36 | 4 |
| Mean Depth (m) | 13.4 | 2 |
| Volume (km³) | 0.26 | 0.01 |
| Shoreline (km) | 50 | 14.3 |
| Morphogenesis/Dam | Artificial | Artificial |
| Coordinates | ||
| Latitude | 6.458 | 1.416 |
| Longitude | 80.842 | 103.855 |