| ALCOUTIM DAM | |
| PURPOSE - Water supply | |
| LOCATION | GENERAL FEATURES |
| District -
Faro Municipality - Alcoutim Site - Cadavais river River Basin - Guadiana River - Barranco dos Ladrões |
Promoting entity
- CM de Alcoutim Owner (RSB) - C M Alcoutim Engineering by - Hidroprojecto Project year - 1992 Year of completion - 1995 |
| HYDROLOGY | RESERVOIR |
| River basin area
- 22 km2 Mean annual rainfall - 58,58 mm Flood runoff - 265 m3/s Return period - 1000 years |
Reservoir area -
130 x 1000m2 Gross capacity - 1000 x 1000m3 Effective storage - 908,2 x 1000m3 Dead storage - 91,8 x 1000m3 Normal water level (NWL) - 52 m Maximum flood level (MFL) - 53,8 m Minimum operating level - 32,55 m |
| DAM | |
| Rockfill - Rockfill
with clay core Height above foundation - 30,5 m Height above streambed - 29 m Crest elevation - 55 m Crest length - 130,5 m Crest width - 9 m Foundation - Schist and greywacke Volume of dam body - 100,6 x 1000 m3 |
|
| SPILLWAY | BOTTOM OUTLET |
| Location - Right
bank Control type - Uncontrolled Spillway type - Chute spillway Sill elevation - 52 m Sill length - 93 m Maximum discharge - 149 m3/s Energy dissipation - Hydraulic jump |
Location - Thalweg Type - Conduit under the embankment Section - d 1,0 m Upstream control - Sluice gate Downstream control - Hollow jet valve Energy dissipation - Hollow jet and scour hole |