Orange River?System Analysis

by Ronald S. McKenzie, BKS Inc, Pretoria, South Africa,
Francois A. Stoffberg, BKS Inc, Pretoria, South Africa,

Document Type: Proceeding Paper

Part of: Engineering Hydrology


The Orange River drains the largest basin in Africa south of the Zambezi with a total catchment area of approximately 1 million km2. Due to the increasing water demands in the basin and in some adjacent catchments, considerable development of the Orange River has taken place. Further major developments are already being implemented, including the first phase of the Lesotho Highlands Water Project at a cost of more than $3 000 million. In view of the importance of the water resources of the Orange River basin to the Southern African economy, a major resource analysis was initiated in 1988, the results of which are presented in the paper.

Subject Headings: Water resources | Rivers and streams | Water demand | Drainage basins | Catchments | Project management | Hydrologic data | Africa | Lesotho

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