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The Vaal River ( ;
Khoemana ǃOrakobab or ''Khoemana'', also known as Korana, ǃOra, or Griqua, is a Moribund language, moribund Khoe languages, Khoe language of South Africa. Names "Khoemana" (from ''khoe'' 'person' + ''mana'' 'language') is more commonly known as either ...
: ) is the largest tributary of the
Orange River The Orange River (from Afrikaans Alaric speaking Afrikaans. Afrikaans (, ) is a West Germanic language spoken in South Africa South Africa, officially the Republic of South Africa (RSA), is the southernmost country in Africa. ...
in
South Africa South Africa, officially the Republic of South Africa (RSA), is the southernmost country in Africa. With over 60 million people, it is the world's 23rd-most populous nation and covers an area of . South Africa has three capital citie ...

South Africa
. The river has its source near
Breyten Breyten is a small farming town in Mpumalanga, South Africa and is situated at the foot of ''Klipstapel'', the highest point on the watershed between the westward flowing Vaal River system and the eastward flowing Olifants/Letaba River, Olifants a ...
in
Mpumalanga Mpumalanga () is a province A province is almost always an administrative division Administrative division, administrative unitArticle 3(1). , country subdivision, administrative region, subnational entity, first-level subdivision, ...

Mpumalanga
province, east of
Johannesburg Johannesburg (, also ; ; Zulu language, Zulu and xh, eGoli ), informally known as Jozi, Joburg, or "The City of Gold", is the largest city in South Africa, classified as a Megacity#List of megacities, megacity, and is List of urban areas by ...

Johannesburg
and about north of Ermelo and only about from the
Indian Ocean The Indian Ocean is the third-largest of the world's five ocean The ocean (also the or the world ocean) is the body of that covers approximately 70.8% of the surface of and contains 97% of . Another definition is "any of the large ...

Indian Ocean
. It then flows westwards to its conjunction with the Orange River southwest of
Kimberley Kimberly or Kimberley may refer to: Places and historical events Australia * Kimberley (Western Australia) ** Roman Catholic Diocese of Kimberley * Kimberley Warm Springs, Tasmania * Kimberley, Tasmania a small town * County of Kimberley, a c ...
in the Northern Cape. It is long, and forms the border between Mpumalanga, Gauteng and North West Province (South Africa), North West Province on its north bank, and the Free State (South African province), Free State on its south. It is the third largest river in
South Africa South Africa, officially the Republic of South Africa (RSA), is the southernmost country in Africa. With over 60 million people, it is the world's 23rd-most populous nation and covers an area of . South Africa has three capital citie ...

South Africa
after the
Orange River The Orange River (from Afrikaans Alaric speaking Afrikaans. Afrikaans (, ) is a West Germanic language spoken in South Africa South Africa, officially the Republic of South Africa (RSA), is the southernmost country in Africa. ...
(2200 km long) and the Limpopo River (1750 km long) and was established as the main source of water for the great Witswatersrand area after the gold rush during the 19th century.9 longest rivers. SA9. Accessed 2 April 2018.
/ref> The Vaal Dam lies on the Vaal River in Deneysville just south of the border between Gauteng and the Free State. It is also important to note that the Vaal River is the longest river wholly within the borders of South Africa. ''Vaal'' is a Dutch language, Dutch name (later Afrikaans), translated by the Griquas or Boers from an earlier Kora Khoekhoe or Khoemana, !Orakobab name, sometimes spelled as ''Tky-Gariep'' (in Khoekhoegowab orthography it is ''ǀHai!garib'', drab river). Both Vaal and ''Tky'' (in modern orthography ǀHai) mean "drab" or "dull", which alludes to the colour of the waters, especially noticeable during flood season when the river is laden with silt. In the upper reaches the river was named ''iLigwa'' (Northern Ndebele language, Sindebele), ''Ikwa'' (isiZulu), ''ilikwa'' (Swati language, siSwati), ''lekwa'' (Sesotho), or ''cuoa'' by the Khoikhoi, all referring to the plain it traverses.


History

Historically, the river formed the northern border of Moshoeshoe I's Basotho kingdom at its height in the mid-19th century, then became the boundary between two Boer republics: The South African Republic (later the Transvaal (province), Transvaal province) and the Orange Free State. The geographic name "Transvaal" comes from the name of this river, meaning "beyond the Vaal river". This was in respect to the Cape Colony and Colony of Natal, Natal, which were the main areas of European settlement at the time, and which lay south of the Vaal. During the late 19th century, there was an influx of people migrating to the Witwatersrand in search for gold. The Vaal River would eventually become the main water source for the Witwatersrand. The growing population initially used water from the groundwater of the Zuurbekom Wells in Gauteng’s West Rand. Eventually these would dry up and people would need a new source that could provide for their domestic, agricultural and industrial activities. Water schemes were initially established by the private sector to deal with the growing demand. These included the Braamfontein Water Company's Vierfontein Syndicate of 1893 and the Sivewright Concession of 1887 by the Johannesburg Waterworks and Exploration Company. Water was expensive and largely inaccessible for most inhabitants.


Rand Water Board

The Rand Water Board was established in 1903 to take over the operations of the private sector with a mandate to investigate sustainable water supply and sanitation services. The organisation would become fully operational in 1905, supplying water in bulk to the Witwatersrand. The organisation's members included officials from the Johannesburg Town Council, The Chamber of Mines and other local authorities within the Witwatersrand. Rand Water responded to water scarcity by imposing restrictions on Witwatersrand inhabitants in 1913. It also developed major water schemes that would respond to the growing demand. Between 1914 and 1998, the organisation partnered with various government and private entities to drive the Vaal River scheme and the barrage (1914–1924). The Vaal River scheme was an initiative established to manage water distribution. The Rand Water board also established the Vereeniging Pumping Station (1924), the Zwartkopjes Pumping Station, the Vaal Dam (1938), the Zuikerbosch Pumping Station (1949) and the Lesotho Highlands Water Project (1998).


River Basin

Rain and underground water collects in pans, vleis and streams and where these connect, the westward flowing Vaal River is born. The river flows west into the Grootdraai Dam near Standerton,
Mpumalanga Mpumalanga () is a province A province is almost always an administrative division Administrative division, administrative unitArticle 3(1). , country subdivision, administrative region, subnational entity, first-level subdivision, ...

Mpumalanga
. On its course to the Vaal Dam in Vereeniging, the river is joined by a number of tributaries. The Little Vaal River starts in an escarpment near Ermelo. Near Memel in the Free State (province), Free State is where the Klip River begins. The Watervals River begins in Secunda,
Mpumalanga Mpumalanga () is a province A province is almost always an administrative division Administrative division, administrative unitArticle 3(1). , country subdivision, administrative region, subnational entity, first-level subdivision, ...

Mpumalanga
. The Wilge River used to meet the Vaal River before the Vaal Dam was built in 1938; now the water flows straight into the dam.


Vaal Dam

Since the Vaal River's surface runoff is erratic, large dams have been built along its course to collect the water. In the past, before the river was established as the official source of water for part of the Gauteng , several small dams were built by farmers for irrigation. When the construction of the Vaal Dam was completed in 1938, the dam ensured the supply of water throughout each year even when the river was not full. The dam would receive water from different catchment areas through various projects.


Tugela-Vaal Transfer Scheme

Two water transfer schemes were developed to supply the economic heartland of the country (then recognised as the Pretoria-Witwatersrand-Vereeniging complex) by channeling water into the Vaal River from other catchment areas between the 1970s and 1990s. These include the Lesotho Highlands Water Project and Kwa-Zulu Natal’s Tugela-Vaal Water Transfer Scheme.Rivers of South Africa. Manzi’s News. Accessed 31 March 2018.
/ref> The Tugela-Vaal Transfer Scheme was completed in 1974 to transfer from the Tugela River in KwaZulu Natal via canals, pipelines and dams into the Vaal River system


Lesotho Highlands Water Project

The Lesotho Highlands Water Project was finally launched in 1997 and would entail a three-phase construction that would augment water from Lesotho into the Vaal River, including four major dams. From 1954, the Natural Resources Development Council proposed that
South Africa South Africa, officially the Republic of South Africa (RSA), is the southernmost country in Africa. With over 60 million people, it is the world's 23rd-most populous nation and covers an area of . South Africa has three capital citie ...

South Africa
receive some water from its neighbouring Lesotho. Negotiations between the two countries started in the late 1970s. A treaty for the development of the scheme was signed on 24 October 1987 by representatives of Lesotho, South Africa, the European Union, United Nations and the World Bank. It was then estimated to cost R9.1 billion for the first phase of the project alone. South Africa pays R150 million to Lesotho each year whether they use all of the water that is supplied or not.


Basin ecology

According to Hogan the headwaters portion of the basin supports high endemism in reptiles, and lower in the watershed are elevated levels of endemism for small mammals.


Industry and agriculture

Water is drawn from the Vaal to meet the industrial needs of the Greater Johannesburg Metropolitan Area and a large part of the Free State. In 1881 the Kimberley Waterworks Company, provided water from the Vaal to the Cape Diamond Fields at a cost of one shilling per . As a part of the Vaalharts Irrigation Scheme, Vaal-Hartz Scheme it is a major source of water for irrigation. Water drawn from the Vaal supports 12 million consumers in Gauteng and surrounding areas.


Current uses

The majority of the Vaal River water upstream of the Vaal Dam is used for mining and industrial use such as coal mines and Sasol’s energy and chemical-related activities, as well as urban use and power generation. Further downstream of the dam, water is mostly dedicated to urban requirements and, although proportionally less, a considerable amount of this section is also used for mining and industries, irrigation and power generation.Upper Vaal WMA: Overview of water resources availability and utilisation. Department of Water Affairs. Accessed 2 April 2018.
/ref> The river regularly experiences pollution of its upper reaches, and this affects users downstream. During 2019 the Lekwa Local Municipality's main water treatment plant in Standerton was in disrepair and was causing chronic pollution problems. To assist users downstream, clean water had to be pumped into the river to dilute its high salt levels, thereby wasting a large quantity of this scarce resource.


Tourism

The Vaal River is made up of 50 km of navigable water. The river basin thus offers a range of leisurely water activities that attract local and international tourists throughout the year. Activities include boating, yachting and water skiing. Deneysville is a town on the Free State (province), Free State side of the Vaal River and is a popular water-centre where visitors can enjoy swimming, kiteboarding, yachting, boating, catamaran cruising, jet skiing, windsurfing, snorkeling and fishing.


See also

*
Orange River The Orange River (from Afrikaans Alaric speaking Afrikaans. Afrikaans (, ) is a West Germanic language spoken in South Africa South Africa, officially the Republic of South Africa (RSA), is the southernmost country in Africa. ...
*List of rivers in South Africa *Lower Vaal Water Management Area *Vaal Dam *Witwatersrand basin *Witwatersrand Gold Rush *Drainage basins of South Africa


References


External links


Parys.info

Parys on the Vaal

Vaal Meander

Vaal River Cruises

Vaal River Properties

Vaal de Grace Estate

University Campus on banks of Vaal river

Lesotho Highlands Development Authority
{{Authority control Vaal River, Rivers of South Africa Tributaries of the Orange River Internal borders of South Africa Rivers of the Free State (province) Rivers of Gauteng Rivers of the Northern Cape Rivers of Mpumalanga Lesotho–South Africa relations Water supply and sanitation in South Africa