South Africa From: The Orange–Senqu River BasinInfrastructure Catalogue,ORASECOM Report 001/2013 national powergrid. national generation of the system, including at Gariep and Vanderkloof is also part dams, which contributes to the Cape P and Lower The complex very purposeofthis several schemeistosupplydemandswithin Upper the sub-systems, including Purpose * Further detailsare givenonseparate pages 8,500 million m Gariep andVanderkloof damswere constructed project, ofthe aspart andhaveacombined storage of Description in South Africa, the Gariep and Vanderkloof. They regulate flows tothe Orange River and increase assurance of supply. The Orange RiverP Loca ‹ ‹ ‹ ‹ ‹ ‹ ‹ ‹ ‹ ‹ ‹ ‹ ‹ ‹ ‹ ‹ Caledon–Bloemfontein Government WaterCaledon–Bloemfontein Government Scheme.* Lower Orange, urban useandpowergeneration. irrigation, including Lower tothe Orange WaterSupport ManagementArea demandsinthe tomostofthe Schemes:*Support Urban andindustrialabstractions: Vaalthe andOrange townofMarksdrift). rivers(nearthe abstractionIrrigation s: Bloem Water: P The Orange–Vaal Transfer Scheme.* The Orange–Fish Transfer Tunnel.* The Orange–Riet Water Scheme.* rovince. These urban,industrialandenvironmental demandsincludeirrigation, waterrequirements. P tion Orange water management areas all the waydown to the Orange RiverProjec 3 . The ORPincludesseveral sub-systems. roject largest (ORP)isthe Orange– schemeinthe twolargestSenqu Riverbasin,andincludesthe dams ipeline network between Gariep Dam and the townsofTrompsburg, networkbetweenGariepDamandthe ipeline SpringfonteinandPhilippolis. Between Gariep Dam and downstream of Vanderkloof Dam, up to the confluence ofconfluence the to Vanderkloofup of Dam, downstream and Dam Gariep Between BetweenGariepDamandMarksdrift HopetownandVanderkloof (including towns). t : Over Orange River and mouth, the view Eastern Eskom ower Vanderkloof Dam (©S Crerar) Gariep Dam(©HendrikvandenBerg/Panoramio.com) NAMIBIA Vanderkloof Dam Orange-Senqu River Basin SOUTH AFRICA Gariep Dam BOTSWANA LESOTHO