Surface Water Home Surface Water Map Download PDF file Provincial Eastern Cape Free State Gauteng Kwazulu-Natal Limpopo Kingdom of Lesotho* Mphumalanga Northern Cape North West Kingdom of Eswatini* Western Cape WMA Limpopo-Olifants Inkomati-Usuthu Pongola-Mtamvuna Vaal-Orange Mzimvubu-Tsitsikamma Breede-Olifants 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 Municipal Districts 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 Provincial Summary Water Management Areas Summary Drainage Regions Summary Water Supply Systems Summary Capacity Deltas of WMA Capacity Deltas of Provinces

Breede-Olifants WMA 2026-05-04 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 no data no data 91.72 Berg River Dam Berg River 127 47.5 no data 42.3 Brandvlei Dam Lower Brandvlei River 286 35.7 no data 33.58 Buffeljags Dam Buffeljags River 4.54 100.6 no data 101.12 Bulshoek Dam Olifants River 4.81 93.7 no data 77.5 Calitzdorp Dam Nels River 4.82 30.5 no data 28.85 Ceres Dam Koekedou River 17.3 63 no data 60.23 Clanwilliam Dam Olifants River 122 20.6 no data 16.28 De Bos Dam Onrus River 5.74 64.4 no data 63.23 Duiwenhoks Dam Duiwenhoks River 6.18 67.2 no data 67.08 Eikenhof Dam Palmiet River 28.9 48.3 no data 40.42 Elandskloof Dam Elands River 11.0 29.4 no data 21.06 Ernest Robertson Dam Groot Brak River 0.41 81 no data 70.83 Floriskraal Dam Buffels River 46.6 50.6 no data 51.06 Gamka Dam Gamka River 1.73 16.5 no data 16.85 Gamkapoort Dam Gamka River 35.7 96.6 no data 100 Garden Route Dam Swart River 12.4 46.1 no data 49.24 Hartebeestkuil Dam Hartenbos River 7.13 34.3 no data 35.3 Kammanassie Dam Kammanassie River 34.4 33.3 no data 33.5 Karee Dam Karee River 0.96 34.7 no data 37.2 Keerom Dam Nuy River 9.75 34.7 no data 71.17 Klipberg Dam Konings River 1.94 34.7 no data 29.11 Klipheuwel Dam Tributary of Hartenbos River 4.45 5.6 no data 7.27 Korentepoort Dam Korinte River 8.09 42.9 no data 42.7 Kwaggaskloof Dam Doorn River 169 36.5 no data 33.98 Lakenvallei Dam Sanddrifskloof River 10.4 86.7 no data 87.54 Leeubos Dam Swartbas River 86.7 no data 87.54 Leeugamka Dam Leeu River 13.4 95.7 no data 98.76 Miertjieskraal Dam Brand River 1.43 7.8 no data 7.9 Misverstand Dam Berg River 5.68 108.7 no data 101.7 Oukloof Dam Cordiers River 4.26 76.9 no data 77.87 Pietersfontein Dam Pietersfontein River 1.92 89.9 no data 90.52 Poortjieskloof Dam Groot River 9.72 64.5 no data 64.9 Prinsrivier Dam Prins River 2.26 64.5 no data 100.49 Roode Els Berg Dam Sanddrifskloof River 7.73 26.1 no data 26.73 Roodefontein Dam Piesang River 1.99 29.5 no data 29.01 Steenbras-Lower Dam Steenbras River 33.9 38 no data 34.17 Steenbras-Upper Dam Steenbras River 31.8 55.1 no data 58.2 Stettynskloof Dam Holsloot River 14.7 74.3 no data 49.29 Stompdrift Dam Olifants River 46.3 29.6 no data 29.92 Theewaterskloof Dam Riviersonderend River 479 47.3 no data 43.19 Tierkloof Dam Tributary of Seweweekspoort River 0.03 100 no data 100 Voelvlei Dam Voelvlei River 159 50.3 no data 49.31 Wemmershoek Dam Wemmers River 58.7 49.5 no data 47.88 Wolwedans Dam Groot Brak River 24.6 54.5 no data 57.23 Inkomati-Usuthu WMA 2026-05-04 Name River Nett FSC This Week% Delta this and last week Last week Delta last and previous week Previous week Da Gama Dam White Waters River 13.5 100.8 no data 100.29 Driekoppies Dam Lomati River 251 101.1 no data 100.78 Heyshope Dam Assegaai River 445 102.1 no data 101.99 Inyaka Dam Marite River 124 100.7 no data 100.66 Jericho Dam Mpama River 58.9 100.3 no data 100 Klipkopjes Dam Wit River 11.8 100.4 no data 100 Kwena Dam Krokodil River 159 101 no data 100.87 Longmere Dam Wit River 4.20 101.3 no data 101.57 Morgenstond Dam Ngwempisi River 100.0 100.4 no data 100.39 Nooitgedacht Dam Komati River 78.3 99.8 no data 100.58 Primkop Dam Wit River 1.90 101.9 no data 102.15 Vygeboom Dam Komati River 78.0 100.9 no data 100.68 Westoe Dam Usutu River 60.1 78.5 no data 76.15 Witklip Dam Sand River 12.5 100.9 no data 100.75 Kingdom of Eswatini WMA 2026-05-04 Name River Nett FSC This Week% Delta this and last week Last week Delta last and previous week Previous week Elands Drift Dam Great Fish River no data no data no data Glen Melville Dam Water from Fish river via Ecca tunnel River no data no data no data Maguga Dam Komati River 334 100.1 no data 100.28 Kingdom of Lesotho WMA 2026-05-04 Name River Nett FSC This Week% Delta this and last week Last week Delta last and previous week Previous week Ceres Dam Koekedou River 17.3 85.2 no data 105.69 Ceres Dam Koekedou River 17.3 98.3 no data 99.43 Ceres Dam Koekedou River 17.3 87.8 no data 89.37 Katse Dam Malibamatso River 1519 99.6 no data 98.62 Mohale Dam Senqunyane River 844 102.7 no data 103.2 Limpopo-Olifants WMA 2026-05-04 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 92.3 no data 96.63 Blyderivierpoort Dam Blyde River 54.4 101.4 no data 101.34 Bon Accord Dam Apies River 4.38 105.1 no data 110.86 Bospoort Dam Hex River 15.8 103.4 no data 106.07 Bronkhorstspruit Dam Bronkhorstspruit River 57.0 102 no data 100.76 Buffelskloof Dam Waterval River 5.24 100.7 no data 100.7 Buffelspoort Dam Sterkstroom River 10.2 101.1 no data 100.93 Dap Naude Dam Broederstroom River 1.94 100.3 no data 101.02 De Hoop Dam Steelpoort River 349 100.7 no data 100.73 Doorndraai Dam Sterk River 44.9 99.4 no data 99.37 Ebenezer Dam Groot-Letaba River 69.1 100.8 no data 100.9 Flag Boshielo Dam Olifants River 185 104.7 no data 102.8 Glen Alpine Dam Mogalakwena River 18.9 104.7 no data 106.25 Hans Merensky Dam Ramadiepa River 1.22 104.7 no data 103.5 Hartbeespoort Dam Krokodil River 186 99.3 no data 98.57 Houtrivier Dam Hout River 6.62 99 no data 100 Klaserie Dam Klaserie River 5.60 103 no data 107.98 Klein-Maricopoort Dam Klein Marico River 7.23 101.7 no data 101.67 Klipvoor Dam Pienaars River 40.7 103.2 no data 101.86 Kosterrivier Dam Koster River 12.4 103.4 no data 102.31 Kromellenboog Dam Klein Marico River 8.65 102.6 no data 105.86 Lindleyspoort Dam Elands River 14.2 101.3 no data 102.42 Loskop Dam Olifants River 362 101.7 no data 100.87 Luphephe Dam Luphephe River 14.0 101.4 no data 101.44 Madikwe Dam Tholwane River 15.9 114.9 no data 93.46 Magoebaskloof Dam Politsi River 4.84 101.3 no data 101.29 Marico-Bosveld Dam Groot-Marico River 26.9 102.7 no data 105.71 Middelburg Dam Little Olifants River 48.1 94.7 no data 99.03 Middelkraal Dam Maretlwane River 0.74 94.7 no data 100 Middel-Letaba Dam Middel-Letaba River 172 100.6 no data 100.44 Modjadji Dam Molototsi River 7.20 101.1 no data 101.09 Mokolo Dam Mokolo River 146 101.1 no data 102.28 Molatedi Dam Groot-Marico River 201 113.8 no data 111.48 Mutshedzi Dam Mutshedzi River 2.34 107.6 no data 107.83 Nandoni Dam Levhuvhu River 166 103.4 no data 102.81 Ngotwane Dam Ngotwane River 19.0 87.8 no data 70.25 Nsami Dam Nsama River 21.9 101.8 no data 100 Nwanedzi Dam Nwanedzi River 5.14 101.1 no data 100.97 Nzhelele Dam Nzhelele River 51.2 102.2 no data 102.67 Ohrigstad Dam Ohrigstad River 13.4 100.1 no data 100.19 Olifantsnek Dam Hex River 13.7 99.8 no data 100.56 Pella Dam Lethlakane River 2.11 78.1 no data 57.07 Rhenosterkop Dam Elands River 205 102 no data 100.71 Rietvlei Dam Hennops River 12.3 101.2 no data 101.4 Roodekopjes Dam Krokodil River 96.3 92.4 no data 91.7 Roodeplaat Dam Pienaars River 41.2 100.6 no data 100.96 Rust De Winter Dam Elands River 28.2 101.6 no data 101.05 Sehujwane Dam Sehujane River 3.61 100.8 no data 100.56 Swartruggens Dam Elands River 0.47 106.7 no data 117.36 Thabina Dam Thabina River 3.42 100 no data 100 Tonteldoos Dam Tonteldoos River 0.19 100.8 no data 100.75 Tours Dam Ngwabitsi River 6.08 100.9 no data 100.1 Tzaneen Dam Groot-Letaba River 114 102.1 no data 101.97 Vaalkop Dam Elands River 51.3 102.5 no data 106.44 Vergelegen Dam Tributary of Politsi River 0.25 102.6 no data 103.3 Vlugkraal Dam Vlugkraal River 0.44 100.6 no data 100.56 Vondo Dam Mutshindudi River 30.4 101.5 no data 101.44 Warmbad Dam Buffelspruit River 0.55 101.5 no data 102.85 Witbank Dam Olifants River 104 98.6 no data 98.28 Mzimvubu-Tsitsikamma WMA 2026-05-04 Name River Nett FSC This Week% Delta this and last week Last week Delta last and previous week Previous week Belfort Dam Mafube River 0.41 100 no data 100 Binfield Dam Tyume River 36.8 97.7 no data 98.79 Boesmanskrantz Dam Oxkraal River 97.7 no data 98.79 Boesmanskrantz Dam Oxkraal River 4.82 93.5 no data 94.89 Bridle Drift Dam Buffalo River 97.9 83.6 no data 86.49 Cata Dam Cata River 12.1 86.1 no data 89.81 Corana Dam Corana River 0.73 95.8 no data 97.24 Darlington Dam Sondags River 180 47.5 no data 49.04 De Mistkraal Dam Little Fish River 2.05 82.9 no data 95.73 Debe Dam Debe River 82.9 no data 95.73 Debe Dam Debe River 6.33 46.8 no data 47.29 Doornrivier Dam Doorn River 17.1 93.9 no data 95.29 Elandsdrift Dam Great Fish River 3.55 90 no data 103.45 Glen Melville Dam Water from Fish river via Ecca tunnel River 6.23 94.2 no data 98.41 Grassridge Dam Groot Brak River 44.5 92.6 no data 91.66 Groendal Dam Swartkops River 11.6 70.7 no data 71.14 Gubu Dam Gubu River 8.52 99.1 no data 100 Haarlem Dam Groot River 4.60 12.3 no data 13.25 Impofu Dam Krom River 106 36.4 no data 37.36 Katrivier Dam Kat River 24.8 100 no data 100.17 Kommandodrift Dam Tarka River 55.9 88 no data 88.47 Kouga Dam Kouga River 126 32 no data 33.27 Kromrivier Dam Krom River 35.2 35.5 no data 37.04 Laing Dam Buffalo River 18.9 100 no data 100.32 Lake Arthur Dam Tarka River 11.3 48.4 no data 48.58 Loerie Dam Loeriespruit River 3.03 46.7 no data 41.86 Lubisi Dam Indwe River 114 67.8 no data 68.92 Mabeleni Dam Mhlahlane River 2.10 100 no data 100 Macubeni Dam Cacadu River 100 no data 100 Macubeni Dam Cacadu River 1.14 95.1 no data 98.52 Mlanga Dam Mlanga River 1.60 77.1 no data 78.69 Mnyameni Dam uMnyama River 1.82 98.3 no data 99.69 Nahoon Dam Nahoon River 19.3 77 no data 80.17 Ncora Dam Tsomo River 145 97.4 no data 98.49 Nqadu Dam Nqadu River 1.27 73.4 no data 75.17 Nqweba Dam Sondags River 45.4 85.4 no data 86.61 Ntenetyana Dam Ntenetyana River 1.61 97.7 no data 101.03 Nuwejaars Dam Nuwejaarspruit River 4.56 46.1 no data 46.88 Oxkraal Dam Oskraal River 15.1 91.4 no data 92.47 Rooikrans Dam Buffalo River 4.80 96.5 no data 99.04 Sandile Dam Keiskamma River 29.7 99.2 no data 99.87 Tsojana Dam Tsojana River 12.3 99.9 no data 100 Umtata Dam Mtata River 245 99.1 no data 100.18 Waterdown Dam Klipplaat River 37.4 98.3 no data 99.23 Wriggleswade Dam Kubisi River 91.5 96.2 no data 96.97 Xonxa Dam White Kei River 116 99.8 no data 99.9 Pongola-Mtamvuna WMA 2026-05-04 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 286 100 no data 100.08 Bivane Dam Bivane River 114 100.1 no data 100.24 Craigie Burn Dam Mnyamvubu River 22.5 99.6 no data 100.18 Driel Barrage Dam Tugela River 8.69 90.3 no data 87.18 Goedertrouw Dam Mhlatuze River 301 98.5 no data 99.25 Hazelmere Dam Mdloti River 37.1 98.7 no data 99.91 Hluhluwe Dam Hluhluwe River 25.9 94.3 no data 96.23 Inanda Dam Mgeni River 237 100.9 no data 101.31 Klipfontein Dam Wit Mfolozi River 18.1 99.8 no data 100.16 Mearns Dam Mooi River 5.16 92.7 no data 101.78 Midmar Dam Mgeni River 235 97.4 no data 99.32 Nagle Dam Mgeni River 23.2 89 no data 98.59 Ntshingwayo Dam Ngagane River 195 77 no data 77.6 Pongolapoort Dam Phongolo River 2395 85.4 no data 85.1 Spioenkop Dam Tugela River 271 100.1 no data 100.05 Spring Grove Dam Mooi River 139 100.4 no data 100.36 Wagendrift Dam Boesmans River 55.9 100.6 no data 100.85 Woodstock Dam Tugela River 355 94.9 no data 95.79 Zaaihoek Dam Slang River 184 94.9 no data 100.53 Vaal-Orange WMA 2026-05-04 Name River Nett FSC This Week% Delta this and last week Last week Delta last and previous week Previous week Allemanskraal Dam Sand River 172 105.5 no data 104.86 Armenia Dam Leeu River 13.2 107.9 no data 108.46 Bloemhof Dam Vaal River 1243 111.9 no data 107.18 Boegoeberg Dam Orange River 23.6 111.9 no data 102.48 Boskop Dam Mooi River 20.0 105.4 no data 103.04 Disaneng Dam Molopo River 14.1 104.6 no data 103.26 Douglas Weir Dam Vaal River 16.2 133.8 no data 118.86 Egmont Dam Witspruit River 9.06 104.2 no data 106.18 Elandskuil Dam Swartleegte River 1.18 109.4 no data 109.43 Erfenis Dam Groot-Vet River 214 107.9 no data 102.17 Fika-Patso Dam Namahadi River 29.4 107.9 no data 99.54 Gariep Dam Orange River 4903 101.7 no data 101.93 Grootdraai Dam Vaal River 350 101.6 no data 100.44 Groothoek Dam Kgabanyane River 11.9 99.6 no data 85.52 Johan Neser Dam Skoonspruit River 5.67 103.9 no data 103.92 Jozanashoek Dam Sterkspruit River 9.47 101.7 no data 103.06 Kalkfontein Dam Riet River 325 103.2 no data 101.55 Klerkskraal Dam Mooi River 7.92 119 no data 120.62 Klipdrift Dam Loopspruit River 13.3 103.3 no data 101.8 Knellpoort Dam Rietspruit River 130 101.8 no data 100.25 Koppies Dam Renoster River 42.3 107 no data 100.99 Krugersdrift Dam Modder River 71.5 109.6 no data 102.88 Metsi-Matsho Dam Metsi-Matsho River 4.38 109.6 no data 99.57 Potchefstroom Dam Mooi River 2.03 107.8 no data 103.85 Rietspruit Dam Rietspruit River 7.28 103.6 no data 103.91 Rustfontein Dam Modder River 72.1 80 no data 58.87 Saulspoort Dam Liebenbergsvlei River 15.0 102.7 no data 101.72 Setumo Dam Molopo River 20.7 100.4 no data 100.22 Spitskop Dam Harts River 57.8 162.4 no data 104.86 Sterkfontein Dam Nuwejaarspruit River 2617 99.7 no data 99.85 Taung Dam Harts River 61.4 100.5 no data 99.2 Tierpoort Dam Tierpoort River 34.0 104.8 no data 104.55 Vaal Dam Vaal River 2561 105.1 no data 102.14 Vaalharts Weir Dam Vaal River 50.7 82.3 no data 102.14 Vaalrivier Barrage Dam Vaal River 53.6 82.3 no data 98 Vanderkloof Dam Orange River 3137 102.8 no data 98.39 Welbedacht Dam Caledon River 5.42 80.4 no data 100