Surface Water Home Surface Water Map PDF file Prov/Country Eastern Cape Free State Gauteng Kwazulu-Natal Limpopo Lesotho* Mphumalanga Northern Cape North West Swaziland* Western Cape WMA/Country Limpopo Olifants Inkomati-Usuthu Pongola-Mtamvuna Vaal Major Orange Mzimvubu-Tsitsikamma Breede-Gouritz Berg-Olifants Kingdom of Eswatini* Kingdom of Lesotho* Drainage Region A Drainage Region B Drainage Region C Drainage Region D Drainage Region E Drainage Region F Drainage Region G Drainage Region H Drainage Region J Drainage Region K Drainage Region L Drainage Region M Drainage Region N Drainage Region P Drainage Region Q Drainage Region R Drainage Region S Drainage Region T Drainage Region U Drainage Region V Drainage Region W Drainage Region X Drainage Region Water Supply Systems Algoa Amathole Bloemfontein Cape Town Crocodile East Crocodile West IVRS Klipplaat Luvuvhu Orange Polokwane Umgeni uMlathuze Mun. Dist. Amajuba Amathole Bojanala Buffalo City Cape Winelands Capricorn Central Karoo Chris Hani City of Cape Town City of Tshwane Dr Kenneth Kaunda Dr Ruth Segomotsi Mompati Ehlanzeni eThekwini Fezile Dabi Frances Baard Garden Route Gert Sibande Joe Gqabi King Cetshwayo Lejweleputswa Mangaung Mopani Namakwa Ngaka Modiri Molema Nkangala O.R.Tambo Overberg Pixley ka Seme Sarah Baartman Sekhukhune Thabo Mofutsanyane Umgungundlovu Umkhanyakude Uthukela Vhembe Waterberg West Coast West Rand Xhariep Zululand Summaries Province/Country Summary WMA/Country Summary Drainage Regions Summary Water Supply Systems Summary Capacity Deltas of WMA Capacity Deltas of Provinces

Eastern Cape Province 2024-07-22 Name River Nett FSC This Week% Delta this and last week Last week Delta last and previous week Previous week Belfort Dam Mafube River 0.41 97.2 0.0 97.2 0.0 97.2 Binfield Dam Tyume River 36.8 89 -1.3 90.3 -0.2 90.5 Boesmanskrantz Dam Oxkraal River 4.82 76.2 -1.5 77.7 -0.8 78.5 Bridle Drift Dam Buffalo River 97.9 95.7 -0.4 96.1 -0.9 97 Cata Dam Cata River 12.1 77.9 -2.2 80.1 -0.2 80.3 Corana Dam Corana River 0.73 86.3 -1.0 87.3 -0.9 88.2 Darlington Dam Sondags River 180 44.1 -0.4 44.5 0.9 43.6 De Mistkraal Dam Little Fish River 2.05 80 2.3 77.7 -21.6 99.3 Debe Dam Debe River 6.33 24.8 -0.4 25.2 -0.4 25.6 Doornrivier Dam Doorn River 17.1 86.8 -0.5 87.3 -1.7 89 Elands Drift Dam Great Fish River 3.55 83.7 19.0 64.7 -15.2 79.9 Glen Melville Dam Water from Fish river via Ecca tunnel River 6.23 83.7 -2.2 85.9 -4.9 90.8 Glen Melville Dam Water from Fish river via Ecca tunnel River 6.23 80 -5.9 85.9 -4.9 90.8 Grassridge Dam Groot Brak River 44.5 61.7 10.1 51.6 10.6 41 Groendal Dam Swartkops River 11.6 100.2 0.2 100 -0.3 100.3 Gubu Dam Gubu River 8.52 97.7 -0.4 98.1 -0.6 98.7 Impofu Dam Krom River 106 41.5 -0.4 41.9 -0.3 42.2 Jozanashoek Dam Sterkspruit River 9.47 100 0.0 100 -0.2 100.2 Katrivier Dam Kat River 24.8 90.6 -0.6 91.2 -0.6 91.8 Kommandodrift Dam Tarka River 55.9 96.1 0.0 96.1 0.0 96.1 Kouga Dam Kouga River 126 100 -0.1 100.1 -0.2 100.3 Kromrivier Dam Krom River 35.2 99.1 -0.2 99.3 -0.2 99.5 Laing Dam Buffalo River 18.9 99.9 -0.1 100 -0.1 100.1 Lake Arthur Dam Tarka River 11.3 63.5 -0.3 63.8 -1.2 65 Loerie Dam Loeriespruit River 3.03 77.6 7.4 70.2 -7.3 77.5 Lubisi Dam Indwe River 114 47.4 -0.8 48.2 -2.8 51 Mabeleni Dam Mhlahlane River 2.10 99.2 -0.8 100 0.0 100 Macubeni Dam Cacadu River 3.37 93.6 -1.1 94.7 -1.7 96.4 Mlanga Dam Mlanga River 1.60 83.6 -1.2 84.8 -1.4 86.2 Mnyameni Dam uMnyama River 1.82 93.7 -3.2 96.9 -0.2 97.1 Nahoon Dam Nahoon River 19.3 93.5 -1.3 94.8 -1.6 96.4 Ncora Dam Tsomo River 147 90.8 -2.8 93.6 0.0 93.6 Nqadu Dam Nqadu River 1.27 83 -0.9 83.9 -1.5 85.4 Nqweba Dam Sondags River 44.7 96.4 -0.2 96.6 -1.6 98.2 Ntenetyana Dam Ntenetyana River 1.61 82.1 -0.7 82.8 -3.4 86.2 Nuwejaars Dam Nuwejaarspruit River 4.56 16.2 -0.6 16.8 0.0 16.8 Oxkraal Dam Oskraal River 14.8 98.3 -0.1 98.4 -1.5 99.9 Rooikrans Dam Buffalo River 4.80 92.2 -3.7 95.9 -0.8 96.7 Sandile Dam Keiskamma River 29.7 74.9 -1.3 76.2 -1.8 78 Tsojana Dam Tsojana River 12.3 97.9 -0.7 98.6 -0.4 99 Umtata Dam Mtata River 245 97.6 -1.3 98.9 -0.5 99.4 Waterdown Dam Klipplaat River 37.4 99.5 -0.4 99.9 -0.1 100 Wriggleswade Dam Kubisi River 91.5 99.2 -0.1 99.3 -0.5 99.8 Xonxa Dam White Kei River 116 97.1 -1.2 98.3 -1.2 99.5 Free State Province 2024-07-22 Name River Nett FSC This Week% Delta this and last week Last week Delta last and previous week Previous week Allemanskraal Dam Sand River 175 60 -0.5 60.5 -0.8 61.3 Armenia Dam Leeu River 13.2 84.5 -0.9 85.4 -1.4 86.8 Bloemhof Dam Vaal River 1243 91.1 -0.2 91.3 0.2 91.1 Egmont Dam Witspruit River 9.06 77 -0.3 77.3 -2.1 79.4 Erfenis Dam Groot-Vet River 206 93.3 -0.7 94 -0.7 94.7 Fika-Patso Dam Namahadi River 29.4 60.4 -1.6 62 -1.1 63.1 Gariep Dam Orange River 4903 80.3 -1.2 81.5 -1.4 82.9 Groothoek Dam Kgabanyane River 11.9 66.6 -1.6 68.2 -0.6 68.8 Kalkfontein Dam Riet River 325 86.2 -0.2 86.4 -0.7 87.1 Knellpoort Dam Rietspruit River 130 95.6 -0.3 95.9 -1.3 97.2 Koppies Dam Renoster River 42.3 72.8 -0.5 73.3 -0.9 74.2 Krugersdrift Dam Modder River 71.5 91.8 0.7 91.1 0.0 91.1 Metsi-Matsho Dam Metsi-Matsho River 4.38 82.3 -1.0 83.3 -1.7 85 Rustfontein Dam Modder River 72.1 71.6 -0.4 72 -0.5 72.5 Saulspoort Dam Liebenbergsvlei River 15.0 103 0.5 102.5 -0.2 102.7 Sterkfontein Dam Nuwejaarspruit River 2617 98.5 -0.1 98.6 -0.2 98.8 Tierpoort Dam Tierpoort River 34.0 87.8 -0.5 88.3 -0.3 88.6 Vaal Dam Vaal River 2603 50.5 -0.7 51.2 -1.1 52.3 Vaalrivier Barrage Dam Vaal River 53.6 97 1.2 95.8 0.7 95.1 Vanderkloof Dam Orange River 3092 99.2 -0.1 99.3 -0.1 99.4 Welbedacht Dam Caledon River 5.42 103 7.9 95.1 -4.9 100 Gauteng Province 2024-07-22 Name River Nett FSC This Week% Delta this and last week Last week Delta last and previous week Previous week Bon Accord Dam Apies River 4.38 103.6 0.0 103.6 103.6 no data Bronkhorstspruit Dam Bronkhorstspruit River 57.0 68 -2.2 70.2 -1.0 71.2 Klipdrift Dam Loopspruit River 13.3 101.4 -0.4 101.8 0.4 101.4 Rietvlei Dam Hennops River 12.3 101.4 17.9 83.5 1.7 81.8 Roodeplaat Dam Pienaars River 41.2 100.4 0.0 100.4 0.0 100.4 Kindom of Lesotho* Province 2024-07-22 Name River Nett FSC This Week% Delta this and last week Last week Delta last and previous week Previous week Katse Dam Malibamatso River 1519 75.9 -1.5 77.4 -1.4 78.8 Mohale Dam Senqunyane River 844 100.8 -0.1 100.9 -0.1 101 Kingdom of Eswatini* Province 2024-07-22 Name River Nett FSC This Week% Delta this and last week Last week Delta last and previous week Previous week Maguga Dam Komati River 334 95.9 -1.0 96.9 -0.8 97.7 Kwazulu-Natal Province 2024-07-22 Name River Nett FSC This Week% Delta this and last week Last week Delta last and previous week Previous week Albert Falls Dam Mgeni River 286 92.5 -0.9 93.4 -1.1 94.5 Bivane Dam Bivane River 114 99.5 0.0 99.5 -0.8 100.3 Craigie Burn Dam Mnyamvubu River 22.5 99.5 -0.5 100 0.2 99.8 Driel Barrage Dam Tugela River 8.69 94.4 0.0 94.4 -10.6 105 Goedertrouw Dam Mhlatuze River 301 92.5 -0.4 92.9 -0.6 93.5 Hazelmere Dam Mdloti River 37.1 79.1 -0.7 79.8 -0.9 80.7 Hluhluwe Dam Hluhluwe River 25.9 93.2 -1.0 94.2 -1.2 95.4 Inanda Dam Mgeni River 237 98 -1.0 99 -0.2 99.2 Klipfontein Dam Wit Mfolozi River 18.1 86.2 -0.9 87.1 -1.8 88.9 Mearns Dam Mooi River 5.16 97.4 -3.1 100.5 0.2 100.3 Midmar Dam Mgeni River 235 92.5 -0.6 93.1 -0.6 93.7 Nagle Dam Mgeni River 23.2 85.8 -0.9 86.7 -1.3 88 Ntshingwayo Dam Ngagane River 195 71.4 -0.3 71.7 -1.3 73 Pongolapoort Dam Phongolo River 2395 84.6 -0.2 84.8 -0.4 85.2 Spioenkop Dam Tugela River 271 96.5 -1.1 97.6 -0.8 98.4 Spring Grove Dam Mooi River 139 85.5 -1.8 87.3 -2.0 89.3 Wagendrift Dam Boesmans River 55.9 99.4 -0.3 99.7 -0.2 99.9 Woodstock Dam Tugela River 355 100 0.0 100 -0.3 100.3 Zaaihoek Dam Slang River 184 90.6 -9.4 100 9.4 90.6 Limpopo Province 2024-07-22 Name River Nett FSC This Week% Delta this and last week Last week Delta last and previous week Previous week Albasini Dam Luvuvhu River 28.2 92 -0.7 92.7 -0.3 93 Dap Naude Dam Broederstroom River 1.94 84.9 -7.8 92.7 6.7 86 De Hoop Dam Steelpoort River 349 98.3 -0.1 98.4 -0.3 98.7 Doorndraai Dam Sterk River 43.8 92.6 -0.3 92.9 -0.3 93.2 Ebenezer Dam Groot-Letaba River 69.1 94.6 -0.7 95.3 -0.7 96 Flag Boshielo Dam Olifants River 185 93.1 -0.4 93.5 -0.7 94.2 Glen Alpine Dam Mogalakwena River 18.9 42.5 -1.0 43.5 -0.9 44.4 Hans Merensky Dam Ramadiepa River 1.22 100.8 0.0 100.8 0.0 100.8 Houtrivier Dam Hout River 6.62 69.3 -0.5 69.8 -0.7 70.5 Klaserie Dam Klaserie River 5.60 99.2 -0.2 99.4 -0.8 100.2 Luphephe Dam Luphephe River 14.0 78.4 0.0 78.4 0.0 78.4 Magoebaskloof Dam Politsi River 4.84 100.1 0.0 100.1 -0.1 100.2 Middel-Letaba Dam Middel-Letaba River 172 1.2 -0.1 1.3 0.0 1.3 Modjadji Dam Molototsi River 7.20 1.2 -40.5 41.7 -0.8 42.5 Mokolo Dam Mokolo River 146 95.3 -0.5 95.8 -0.7 96.5 Mutshedzi Dam Mutshedzi River 2.34 100.4 0.0 100.4 0.0 100.4 Nandoni Dam Levhuvhu River 166 98 -0.6 98.6 -0.2 98.8 Nsami Dam Nsama River 21.9 22.6 -0.7 23.3 -1.2 24.5 Nwanedzi Dam Nwanedzi River 5.14 31 -1.3 32.3 -1.6 33.9 Nzhelele Dam Nzhelele River 51.2 68.2 -0.8 69 -0.9 69.9 Rust De Winter Dam Elands River 28.2 100 0.0 100 0.0 100 Thabina Dam Thabina River 3.42 96.6 -0.4 97 -0.4 97.4 Tonteldoos Dam Tonteldoos River 0.19 100.3 0.0 100.3 0.0 100.3 Tours Dam Ngwabitsi River 6.08 96.6 -0.4 97 -1.0 98 Tzaneen Dam Groot-Letaba River 114 72.9 -1.1 74 -1.4 75.4 Vergelegen Dam Tributary of Politsi River 0.25 84.1 -0.9 85 -5.1 90.1 Vlugkraal Dam Vlugkraal River 0.44 97.8 -0.8 98.6 0.2 98.4 Vondo Dam Mutshindudi River 30.4 95.3 -1.6 96.9 -1.0 97.9 Warmbad Dam Buffelspruit River 0.55 101.6 4.7 96.9 -4.7 101.6 Mpumalanga Province 2024-07-22 Name River Nett FSC This Week% Delta this and last week Last week Delta last and previous week Previous week Blyderivierpoort Dam Blyde River 54.4 94.7 -1.4 96.1 -1.5 97.6 Buffelskloof Dam Waterval River 5.24 85.3 -1.6 86.9 -1.2 88.1 Da Gama Dam White Waters River 13.5 95.5 0.0 95.5 -2.4 97.9 Driekoppies Dam Lomati River 251 97.2 -0.5 97.7 -0.5 98.2 Grootdraai Dam Vaal River 350 85.3 -1.0 86.3 -1.4 87.7 Heyshope Dam Assegaai River 445 98.6 -0.4 99 -1.5 100.5 Inyaka Dam Marite River 124 98.2 -0.7 98.9 -0.4 99.3 Jericho Dam Mpama River 59.3 70.3 0.6 69.7 0.2 69.5 Klipkopjes Dam Wit River 11.8 95.7 -2.9 98.6 -0.2 98.8 Kwena Dam Krokodil River 159 96.7 -1.3 98 -1.1 99.1 Longmere Dam Wit River 4.20 87.2 6.3 80.9 -5.9 86.8 Loskop Dam Olifants River 362 97.7 -0.4 98.1 -0.5 98.6 Middelburg Dam Little Olifants River 48.1 91.5 -0.5 92 -0.6 92.6 Morgenstond Dam Ngwempisi River 91.5 -0.5 92 -0.6 92.6 Nooitgedacht Dam Komati River 78.3 86.3 -1.1 87.4 -0.6 88 Ohrigstad Dam Ohrigstad River 13.4 50.9 -1.6 52.5 -1.6 54.1 Primkop Dam Wit River 1.90 72.7 -9.2 81.9 -9.7 91.6 Rhenosterkop Dam Elands River 205 90 -0.1 90.1 -0.5 90.6 Vygeboom Dam Komati River 78.0 100.3 0.2 100.1 -0.1 100.2 Westoe Dam Usutu River 60.1 50.9 -2.9 53.8 -1.4 55.2 Witbank Dam Olifants River 104 95.4 -0.2 95.6 -0.5 96.1 Witklip Dam Sand River 12.5 98.6 -0.3 98.9 -0.3 99.2 North West Province 2024-07-22 Name River Nett FSC This Week% Delta this and last week Last week Delta last and previous week Previous week Boskop Dam Mooi River 21.0 101.3 0.0 101.3 0.0 101.3 Bospoort Dam Hex River 15.8 101.2 0.2 101 0.0 101 Buffelspoort Dam Sterkstroom River 10.2 98.4 -0.3 98.7 -0.2 98.9 Disaneng Dam Molopo River 98.4 -0.3 98.7 -0.2 98.9 Elandskuil Dam Swartleegte River 1.18 64 -4.1 68.1 -4.5 72.6 Hartbeespoort Dam Krokodil River 186 97.7 -0.3 98 -0.2 98.2 Johan Neser Dam Skoonspruit River 5.67 99.5 0.0 99.5 0.0 99.5 Klein-Maricopoort Dam Klein Marico River 7.23 62.2 -0.6 62.8 -0.5 63.3 Klerkskraal Dam Mooi River 62.2 -0.6 62.8 -0.5 63.3 Klipvoor Dam Pienaars River 40.7 100.2 -0.2 100.4 0.0 100.4 Kosterrivier Dam Koster River 12.4 82.9 -17.5 100.4 17.0 83.4 Kromellenboog Dam Klein Marico River 8.65 51.7 -48.7 100.4 17.0 83.4 Lindleyspoort Dam Elands River 14.2 41 -0.9 41.9 -0.8 42.7 Madikwe Dam Tholwane River 15.9 31.3 -0.3 31.6 -0.4 32 Marico-Bosveld Dam Groot-Marico River 26.9 35 -0.4 35.4 0.2 35.2 Middelkraal Dam Maretlwane River 0.74 70.4 -0.4 70.8 -1.8 72.6 Molatedi Dam Groot-Marico River 201 34.8 -0.4 35.2 -0.3 35.5 Ngotwane Dam Ngotwane River 34.8 -0.4 35.2 -0.3 35.5 Olifantsnek Dam Hex River 34.8 -0.4 35.2 -0.3 35.5 Pella Dam Lethlakane River 2.11 31.5 -0.9 32.4 -0.6 33 Potchefstroom Dam Mooi River 2.03 102.3 -0.4 102.7 0.8 101.9 Rietspruit Dam Rietspruit River 102.3 -0.4 102.7 0.8 101.9 Roodekopjes Dam Krokodil River 96.3 104 -0.2 104.2 -0.3 104.5 Sehujwane Dam Sehujane River 3.61 104 18.2 85.8 -1.2 87 Setumo Dam Molopo River 104 18.2 85.8 -1.2 87 Swartruggens Dam Elands River 0.47 47.3 -3.6 50.9 -4.3 55.2 Taung Dam Harts River 61.4 87 -0.2 87.2 -0.5 87.7 Vaalkop Dam Elands River 51.3 49.1 -1.9 51 -2.0 53 Northern Cape Province 2024-07-22 Name River Nett FSC This Week% Delta this and last week Last week Delta last and previous week Previous week Boegoeberg Dam Orange River 20.6 108.4 0.0 108.4 1.5 106.9 Douglas Weir Dam Vaal River 16.2 109.3 0.0 109.3 -0.5 109.8 Karee Dam Karee River 0.95 35.1 -74.2 109.3 74.2 35.1 Leeubos Dam Swartbas River 35.1 -74.2 109.3 74.2 35.1 Spitskop Dam Harts River 57.8 57.6 0.7 56.9 -0.3 57.2 Vaalharts Weir Dam Vaal River 50.7 87.4 9.6 77.8 -0.3 78.1 Western Cape Province 2024-07-22 Name River Nett FSC This Week% Delta this and last week Last week Delta last and previous week Previous week Bellair Dam Brak River 4.24 100.1 0.0 100.1 4.4 95.7 Berg River Dam Berg River 127 101.2 -1.8 103 7.4 95.6 Brandvlei Dam Lower Brandvlei River 286 72.9 5.6 67.3 9.4 57.9 Buffeljags Dam Buffeljags River 4.54 102 0.0 102 -0.8 102.8 Bulshoek Dam Olifants River 4.81 74 10.2 63.8 1.2 62.6 Calitzdorp Dam Nels River 4.82 100.3 0.7 99.6 1.0 98.6 Ceres Dam Koekedou River 17.3 41.3 24.4 16.9 -7.8 24.7 Ceres Dam Koekedou River 17.3 82.4 -2.2 84.6 -6.1 90.7 Ceres Dam Koekedou River 17.3 87.4 -0.4 87.8 -0.8 88.6 Ceres Dam Koekedou River 17.3 100.6 -0.6 101.2 14.2 87 Clanwilliam Dam Olifants River 122 86.6 -4.7 91.3 7.2 84.1 De Bos Dam Onrus River 5.74 100 0.0 100 0.0 100 Duiwenhoks Dam Duiwenhoks River 6.18 100.2 -0.1 100.3 0.0 100.3 Eikenhof Dam Palmiet River 28.9 102.1 -2.6 104.7 1.7 103 Elandskloof Dam Elands River 11.0 100.9 -3.8 104.7 45.8 58.9 Ernest Robertson Dam Groot Brak River 0.41 100.7 0.0 100.7 0.0 100.7 Floriskraal Dam Buffels River 48.3 102.5 -7.1 109.6 7.4 102.2 Gamka Dam Gamka River 1.73 90.3 -1.2 91.5 -0.9 92.4 Gamkapoort Dam Gamka River 35.7 100.3 0.1 100.2 0.0 100.2 Garden Route Dam Swart River 12.4 93.4 -1.9 95.3 -1.4 96.7 Haarlem Dam Groot River 4.60 100.1 4.8 95.3 -5.2 100.5 Hartebeestkuil Dam Hartenbos River 7.13 98.4 -2.1 100.5 0.0 100.5 Kammanassie Dam Kammanassie River 34.4 100.2 0.0 100.2 -0.2 100.4 Keerom Dam Nuy River 9.75 100 -0.2 100.2 0.2 100 Klipberg Dam Konings River 1.94 99.7 -0.3 100 -2.4 102.4 Klipheuwel Dam Tributary of Hartenbos River 4.45 44.6 2.3 42.3 -0.1 42.4 Korentepoort Dam Korinte River 8.09 100.4 0.0 100.4 0.4 100 Kwaggaskloof Dam Doorn River 169 71.3 5.6 65.7 9.5 56.2 Lakenvallei Dam Sanddrifskloof River 10.4 100.8 -0.7 101.5 1.8 99.7 Leeugamka Dam Leeu River 13.6 36.4 -0.4 36.8 -0.4 37.2 Miertjieskraal Dam Brand River 1.43 100.2 -0.1 100.3 0.1 100.2 Misverstand Dam Berg River 5.68 145.5 -24.9 170.4 13.5 156.9 Oukloof Dam Cordiers River 4.19 103.4 0.0 103.4 0.0 103.4 Pietersfontein Dam Pietersfontein River 1.92 100.3 -3.1 103.4 3.1 100.3 Poortjieskloof Dam Groot River 9.72 100.8 -2.6 103.4 2.8 100.6 Prinsrivier Dam Prins River 2.26 97.1 -6.3 103.4 6.3 97.1 Roode Els Berg Dam Sanddrifskloof River 7.73 100.6 -1.1 101.7 39.5 62.2 Roodefontein Dam Piesang River 1.99 76.3 0.4 75.9 -0.3 76.2 Steenbras-Lower Dam Steenbras River 33.9 104.5 1.2 103.3 26.2 77.1 Steenbras-Upper Dam Steenbras River 31.8 100.3 -0.1 100.4 6.9 93.5 Stettynskloof Dam Holsloot River 14.7 103.8 -2.3 106.1 -0.7 106.8 Stompdrift Dam Olifants River 46.3 99.6 -0.3 99.9 0.0 99.9 Theewaterskloof Dam Riviersonderend River 479 103.9 7.0 96.9 27.3 69.6 Tierkloof Dam Tributary of Seweweekspoort River 0.03 100 0.0 100 0.0 100 Voelvlei Dam Voelvlei River 159 84 8.0 76 11.7 64.3 Wemmershoek Dam Wemmers River 58.7 100.3 6.8 93.5 12.3 81.2 Wolwedans Dam Groot Brak River 24.6 99.8 -0.1 99.9 -0.1 100