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The construction of Vaal Dam started during the depression of the early thirties and the dam was completed in 1938 with a wall height of 54.2 metres (178 ft) above lowest foundation and a full supply capacity of 994,000,000 cubic metres (3.51 × 10 10 cu ft). The dam is a concrete gravity structure with an earthfill section on the right flank.
This was the largest irrigation scheme in the southern hemisphere at that time, [6] the project also created another key source of water for the Rand Water Board. This dam became a part of the Vaal River Catchment System. Which is made up of four subcatchment regions ( Grootdraai, Waterval, Wilge and the Vaal Dam reservoir). [7]
The Vaal River Barrage Reservoir is a dam on the Vaal River near Vanderbijlpark, border Gauteng and Free State, South Africa. The Barrage, created by a set of gates across the Vaal River, was built by Rand Water downstream of the Vaal Dam, in 1923. The reservoir is 64 kilometres long and has a total storage capacity of 63 million litres, a ...
The project will thus allow the annual transfer from the Tugela basin (in KwaZulu-Natal) of 630 million m3 of water to the Vaal basin (in the Free State) in the north, and ultimately the Vaal dam in Gauteng. [2] [3] Various pumping stations and water reservoirs have been or are to be created or adapted as part of the implementation of this project.
Rand Water provides potable water to metropolitan and local municipalities, industry and mining in Gauteng, and parts of Mpumalanga, the Free State, and North West provinces. [7] Rand Water has water network of 3 500 km of pipelines, 60 reservoirs, supplying 4 520 million litres of water daily to its varied customers.
The Suikerbosrand River (Afrikaans: Suikerbosrandrivier) is a tributary of the Vaal River that flows from Leandra in Mpumalanga, westwards through Gauteng to Vereeniging in South Africa. Its mouth is on the northern banks of the Vaal on the Gauteng / Free State border in Three Rivers .
Sri Lanka is pockmarked with many irrigation dams, with its water resource distributed across nearly the entirety of the island for agricultural purposes via artificial canals and streams. Utilization of hydro resources for agricultural production dates back to the pre-Colonial era , with the current crop production now largely dependent on ...
Rand Water (Johannesburg, Gauteng) Sedibeng Water (Bothaville, Free State) (formerly Goudveld Water) [8] Umgeni Water (Pietermaritzburg, KwaZulu Natal) (Regional Office located in Durban) The following stock-watering Water Boards are to be transformed into water user associations (see National Water Act section 98(1)): [9] [10]