| Elevation (EL. m) | Storage Area (m2) | Storage Capacity (m3) |
| 178.2 | 1370 | 1100 |
| 178.4 | 2750 | 3000 |
| 178.6 | 5500 | 6000 |
| 178.8 | 8100 | 10,000 |
| 179.0 | 14,000 | 19,000 |
| 179.2 | 24,750 | 35,000 |
| 179.4 | 35,750 | 50,000 |
| 179.6 | 38,500 | 61,000 |