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Manyuchi Dam

Lake Manyuchi
Manyuchi Sunrise.jpg
Sunrise and dusk looking east
Location Mwenezi, Masvingo
Coordinates 21°03′14″S 30°22′12″E / 21.054°S 30.370°E / -21.054; 30.370 (Lake Manyuchi)
Type reservoir
Primary inflows Mwenezi River, Manyoshi, Mtedzi, Mhondi, Makugwe, Sovoleli, Malole, Mwele,
Primary outflows Mwenezi River
Catchment area Lowveld, Zvishavane, Mberengwa
Basin countries Zimbabwe
Surface area 33 km2 (13 sq mi)
Max. depth 25 m (82 ft)
Water volume 303,473 ML (10,717.0×10^6 cu ft)
Surface elevation 600 m (2,000 ft)
Islands 17

Manyuchi Dam forms a reservoir on the Mwenezi River in southern Zimbabwe. It is located in the Mwenezi District. The building of the dam was financed by the Mwenezi Development Corporation. The dam was built to irrigate oil palm estates.

The dam was built by International Construction Zimbabwe (ICZ), a division of the southern African construction giant Murray and Roberts, and was completed in 1988. The dam is located in the Mwenwezi River Valley in the middle section of the river. The area is flat and dry and semi-arid with countless dome-shaped mountains and kopjes in which troops of baboons roam at will. When it was built, a number of villages where displaced and forced to relocate by the government to distant places like the area between Ngundu and Chiredzi (District), where they suddenly found themselves labelled illegal settlers by local officials.

The dam was built in a gorge that the Mwenezi River makes when passing though the mountains close to the bucolic village of Magomana. The area is dominated by mountains and kopjes. It is an arch dam with a gross head that stands at 25 m in height. The water level in the dam reached the spillway crest for the first in 1996.

The river once boasted of hippos, but now they are gone. Instead the dam is riven with crocodiles. A number of villagers have lost their lives in the past while fishing in the dam from the Nile Crocodiles. There are several species of fish found in the dam, mostly in the family of tigerfish found in Lake Kariba. The dam's lifespan is under threat from the upstream dwellers, especially those in Mataga and districts in Zvishavane who till in the catchment of the dam producing silt.

Zimbabwe Electricity Supply Authority (ZESA) has long had plans to generate electricity from the dam but nothing has come of it due to shortage of funding. Studies show, however, that the water availability should make it possible to drive two 350-kilowatt turbines 6 000 hours per year, so as to generate 4.2 gigawatthours per year.


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