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Trans-Caledon Tunnel Authority (TCTA) is a state-owned entity charged with financing and implementing bulk raw water infrastructure projects. It is an agency of the National Department of Water and Sanitation (DWS), which is responsible for the country’s water resources in respect of usage, equitable allocation and distribution. TCTA assists the government in its pursuit of water security for South Africa and in realising its constitutional obligation of ensuring universal access to this essential resource for all citizens.