| RESERVOIR(19) | |
| Maximum volume | 78.51 × 106 m3 |
| Maximum water level | 11.40 m |
| DAM(20) | |
| Type | Earth dam |
| Length | 3460 m |
| Crest elevation | 12.00 m |
| SPILLWAY(21);(17) | |
| Type | Labyrinth with 4 elements(21) |
| Total width | 163.5 m(21) |
| Total development | 710 m(17) |
| Crest elevation | 8.40 m(21) |
| Bottom elevation | 3.00 m(21) |
| Height | 5.40 m(21) |
| Maximum water level on crest (NAmax max) | 11.40 m(21) |
| Flow corresponding to maximum water level (Q) | 5600 m3/s(21) |
| SLUICES WITH STOP-LOG FLOODGATES(22);(23) | |
| Right side of spillway | 4 units(23) |
| Left side of spillway | 4 units(23) |
| Width of each unit | 1.20 m(23) |
| Height of each unit | 1.20 m(23) |
| Minimum operating water level | 3.00 m(22) |
| Maximum operating water level | 8.60 m(22) |