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Mantasoa Dam

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Country
  
Madagascar

Status
  
Operational

Height
  
20 m

Surface area
  
20 kmĀ²

Construction began
  
1937

Purpose
  
Power, water supply

Type of dam
  
Buttress

Opened
  
1938

Owner
  
Jirama

Mantasoa Dam

Location
  
Mantasoa, Analamanga Region

Opening date
  
1938; 79 years ago (1938)

Mantasoa Dam is a buttress dam on the Varahina-North River, a tributary of the Ikopa River, near Mantasoa in the Analamanga Region of Madagascar. The dam was constructed by the French Business Company between 1937 and 1938. It creates Lake Mantasoa which has a surface area of 20 km2 (7.7 sq mi). The dam itself is made of 8,000 m3 (10,000 cu yd) of concrete and has a reinforced buttress design. Water released from the dam supplies a regulated flow to hydroelectric power station at the Antelomita Dams downstream. A saddle dam on the north side of the Mantosoa reservoir regulates water flow into the Mandraka River for the Mandraka Dam downstream.

Map of Mantasoa Dam, Mantasoa, Madagascar

References

Mantasoa Dam Wikipedia