Upper Vaal Water Management Area

Last updated April 02, 2019

Upper Vaal WMA, or Upper Vaal Water Management Area (coded: 8), is a Water Management Area that includes the following major rivers: the Wilge River, Liebenbergsvlei River, Mooi River and Vaal River, and covers the following Dams:

The Wilge River is a tributary of the Vaal River in central South Africa. This river is important as part of the Tugela-Vaal Water Transfer Scheme where water is transferred from the Tugela River basin to the Vaal River basin.

The Mooi River is a river in North West Province, South Africa. It is a tributary of the Vaal River and belongs to the Upper Vaal Water Management Area.

The Vaal River is the largest tributary of the Orange River in South Africa. The river has its source near Breyten in Mpumalanga province, east of Johannesburg and about 30 kilometres (19 mi) north of Ermelo and only about 240 kilometres (150 mi) from the Indian Ocean. It then flows westwards to its conjunction with the Orange River southwest of Kimberley in the Northern Cape. It is 1,120 kilometres (700 mi) long, and forms the border between Mpumalanga, Gauteng and North West Province on its north bank, and the Free State on its south.

Boskop Dam is an earth-fill type dam on the Mooi River, near Potchefstroom, North West Province, South Africa. It was constructed in 1959. The main purpose of the dam is for irrigation and domestic usage. Its hazard potential is ranked as high, due to poor maintenance and the development of sink holes.

Grootdraai Dam is a combined gravity and earth-fill type dam located on the Vaal River, near Standerton, Mpumalanga, South Africa. It was established in 1981.

Klerkskraal Dam is a combined gravity and arch type dam located on the Mooi River, near Ventersdorp, North West, South Africa. It was established in 1969 and its main purpose is to serve for irrigation. The hazard potential of the dam has been ranked high (3).

Boundaries

Tertiary drainage regions C11 to C13, C21 to C23, and C81 to C83.

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The Tugela River is the largest river in KwaZulu-Natal Province, South Africa. It is one of the most important rivers of the country.

The Vaal Dam in South Africa was constructed in 1938 and lies 77 km south of OR Tambo International Airport. The lake behind the dam wall has a surface area of about 320 square kilometres (120 sq mi) and is 47 meters deep. The Vaal Dam lies on the Vaal River, which is one of South Africa's strongest-flowing rivers. Other rivers flowing into the dam are the Wilge River, Klip River, Molspruit and Grootspruit. It has over 800 kilometres (500 mi) of shoreline and is South Africa's second biggest dam by area and the fourth largest by volume.

The Molopo River is one of the main rivers in Southern Africa. It has a length of approximately 960 kilometres and a catchment area of 367,201 km² with Botswana, Namibia and South Africa sharing roughly about a third of the basin each.

The Sterkfontein Dam, located just outside the town of Harrismith, in the Free State, province of South Africa, is part of the Tugela-Vaal Water Project and the Drakensberg Pumped Storage Scheme, and located on the Nuwejaarspruit, a tributary of the Wilge River in the upper catchment area of the Vaal River. It is the second highest dam wall in South Africa and its highest earth fill dam.

Crocodile (West) and Marico WMA, or Crocodile (West) and Marico Water Management Area , in South Africa is sub-divided into 6 sub-management areas each corresponding with a (part) river drainage area, and include the following major rivers: the Crocodile River and Marico River, sub divided into an upper Crocodile River sub-management area and a lower Crocodile River sub-management area. The Marico River sub-management area, the upper Molopo River sub-management area, The Elands River sub-management area, and the Apies River / Pienaars River sub-management area.

Middle Vaal WMA. or Middle Vaal Water Management Area , Includes the following major rivers: the Vet River, Vals River and Vaal River, and covers the following Dams:

Lower Vaal WMA, or Lower Vaal Water Management Area , includes the following major rivers: the Harts River, Molopo River and Vaal River, and covers the following Dams:

Lower Orange WMA, or Lower Orange Water Management Area , Includes the following major rivers: the Ongers River, Hartbees River and Orange River, and covers the following Dams:

Fish to Tsitsikama WMA, or Fish to Tsitsikama Water Management Area , in South Africa Includes the following major rivers: the Fish River, Kowie River, Boesmans River, Sundays River, Gamtoos River, Kromme River, Tsitsikamma River and Groot River, and covers the following Dams:

Bamboes Spruit, is a river in the North West Province of South Africa. It is a tributary of the large Vaal River, emptying into the Bloemhof Dam.

The smallmouth yellowfish is a species of ray-finned fish in the genus Labeobarbus. It has become an invasive species in rivers of the Eastern Cape, South Africa, such as the Mbhashe River.

Tlokwe Local Municipality was a local municipality in Dr Kenneth Kaunda District Municipality, North West Province, South Africa. The seat was Potchefstroom. After the municipal elections on 3 August 2016 it was merged into the larger JB Marks Local Municipality.

The Vet River is a westward-flowing tributary of the Vaal River in central South Africa. Its sources are between Marquard and Clocolan and the Vet River flows roughly northwestwards to meet the Vaal at the Bloemhof Dam near Hoopstad.

The Vals River is a tributary of the Vaal River in the Free State, South Africa. It is a strong seasonal river.

The Tsitsa River is a river in the Eastern Cape Province, South Africa. It is a tributary of the Mzimvubu River and belongs to the Mzimvubu to Keiskamma Water Management Area.

Rand Water previously known as the Rand Water Board is a South African water utility that supplies potable water to the Gauteng province and other areas of the country and is the largest water utility in Africa. The water is drawn from numerous sources and is purified and supplied to industry, mining and local municipalities and is also involved in sanitation of waste water.

References

Hydrology

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