Woodstock Dam is located on the upper reaches of the Tugela, KwaZulu-Natal province of South Africa and is the main source of water for the Thukela-Vaal Transfer Scheme. The dam was commissioned in 1982, has a storage capacity of 373.26 e6m3, and a surface area of 29.129 km2, the dam wall is 54 m high. The dam serves mainly for municipal and industrial water supply purposes and its hazard potential has been ranked high (3).