| APARTADURA DAM | |
| PURPOSE - Water supply / Irrigation | |
| LOCATION | GENERAL FEATURES |
| District -
Portalegre Municipality - Marvão Site - Apartadura River Basin - Tejo River - Reveladas river |
Promoting entity
- INAG Owner (RSB) - INAG Engineering by - COBA Construction by - CPTP Project year - 1983 Year of completion - 1993 |
| HYDROLOGY | RESERVOIR |
| River basin area
- 8,4 km2 Mean annual rainfall - 838 mm Mean annual runoff - 2650 x 1000 m3 Flood runoff - 80 m3/s Return period - 1000 years |
Reservoir area -
480 x 1000m2 Gross capacity - 7465 x 1000m3 Effective storage - 6980 x 1000m3 Dead storage - 485 x 1000m3 Normal water level (NWL) - 595 m Maximum flood level (MFL) - 595,95 m Minimum operating level - 568 m |
| DAM | |
| Rockfill - Zoned
embankment with upstream facing Height above foundation - 46,5 m Height above streambed - 44,5 m Crest elevation - 598 m Crest length - 284 m Crest width - 8 m Foundation - Schist Volume of dam body - 454 x 1000 m3 |
|
| SPILLWAY | BOTTOM OUTLET |
| Location - Right
bank Control type - Uncontrolled Spillway type - Chute spillway Sill elevation - 595 m Sill length - 25,42 m Maximum discharge - 45 m3/s Energy dissipation - Flip bucket |
Location - Right
bank Type - Conduit under the embankment Section - 1,5 m x var Maximum discharge - 14,5 m3/s Upstream control - Sluice gate Downstream control - Sluice gate Energy dissipation - Hydraulic jump |