瓦爾河
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. 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