Tabueira dam

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Tabueira dam
Tributaries: Ribeira dos Pombos
Drain: Ribeira dos Pombos
Tabueira dam (Portugal)
Tabueira dam
Coordinates 38 ° 47 '51 "  N , 8 ° 12' 56"  W Coordinates: 38 ° 47 '51 "  N , 8 ° 12' 56"  W.
Data on the structure
Construction time: until 1976
Height above valley floor: 22 m
Height above foundation level : 23 m
Height of the structure crown: 155 m
Building volume: 169,000 m³
Crown length: 260 m
Crown width: 6 m
Data on the reservoir
Altitude (at congestion destination ) 152.5 m
Water surface 0.46 km²dep1
Total storage space : 3.5 million m³
Design flood : 101.2 m³ / s

The Tabueira dam ( Portuguese Barragem de Tabueira ) is located in the Alentejo region of Portugal in the Évora district . It dams the Ribeira dos Pombos to a reservoir. The municipality of Ciborro is about a kilometer west of the dam.

The dam was completed in 1976. In addition to irrigation, it also provides drinking water. The dam is owned by the Cooperativa Agropecuária do Ciborro .

Barrier structure

The barrier structure is a dam with a height of 23 m above the foundation level (22 m above the river bed). The top of the dam is at a height of 155 m above sea level . The length of the dam crest is 260 m and its width 6 m. The volume of the dam is 169,000 m³.

The dam has both a bottom outlet and a flood relief . A maximum of 17.86 m³ / s can be discharged via the flood relief. The design flood is 101.2 m³ / s; the probability of this event occurring has been determined to be once in 250 years.


With a normal storage target of 152.5 m (maximum 153.5 m at high water), the reservoir extends over an area of ​​around 0.46 km² and holds 3.5 million m³.

See also

Individual evidence

  1. a b c d TABUEIRA DAM. APA Barragens de Portugal, accessed January 26, 2015 .