| ALTO CÁVADO DAM | |
| PURPOSE - Power production / Diversion | |
| LOCATION | GENERAL FEATURES |
| District -
Vila Real Municipality - Montalegre Site - Sezelha River Basin - Cávado River - Cávado river |
Promoting entity
- CPPE Owner (RSB) - CPPE Engineering by - Hidro-Eléctrica do Cávado Construction by - MAGOP Year of completion - 1964 |
| HYDROLOGY | RESERVOIR |
| River basin area - 102 km2 | Reservoir area -
500 x 1000m2 Gross capacity - 3300 x 1000m3 Effective storage - 2000 x 1000m3 Dead storage - 1300 x 1000m3 Normal water level (NWL) - 901,5 m Maximum flood level (MFL) - 905 m |
| DAM | |
| Concrete - Gravity
dam Height above foundation - 29 m Height above streambed - 26 m Crest elevation - 906,5 m Crest length - 220 m Crest width - 4,74 m Foundation - Rock Volume of dam body - 29 x 1000 m3 |
|
| SPILLWAY | BOTTOM OUTLET |
| Location - Dam
body Control type - Uncontrolled Spillway type - Over the dam Sill elevation - 901,5 m Maximum discharge - 410 m3/s Energy dissipation - Hydraulic jump |
Location - Thalweg Type - Through the dam Section - d 1,65 m Maximum discharge - 27 m3/s Downstream control - Yes |