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

Eastern Cape Province 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 -100.0 100 Binfield Dam Tyume River 36.8 97.7 no data -98.8 98.79 Boesmanskrantz Dam Oxkraal River 97.7 no data -98.8 98.79 Boesmanskrantz Dam Oxkraal River 4.82 93.5 no data -94.9 94.89 Bridle Drift Dam Buffalo River 97.9 83.6 no data -86.5 86.49 Cata Dam Cata River 12.1 86.1 no data -89.8 89.81 Corana Dam Corana River 0.73 95.8 no data -97.2 97.24 Darlington Dam Sondags River 180 47.5 no data -49.0 49.04 De Mistkraal Dam Little Fish River 2.05 82.9 no data -95.7 95.73 Debe Dam Debe River 82.9 no data -95.7 95.73 Debe Dam Debe River 6.33 46.8 no data -47.3 47.29 Doornrivier Dam Doorn River 17.1 93.9 no data -95.3 95.29 Elands Drift Dam Great Fish River 93.9 no data -95.3 95.29 Elandsdrift Dam Great Fish River 3.55 90 no data -103.5 103.45 Glen Melville Dam Water from Fish river via Ecca tunnel River 6.23 94.2 no data -98.4 98.41 Glen Melville Dam Water from Fish river via Ecca tunnel River 94.2 no data -98.4 98.41 Grassridge Dam Groot Brak River 44.5 92.6 no data -91.7 91.66 Groendal Dam Swartkops River 11.6 70.7 no data -71.1 71.14 Gubu Dam Gubu River 8.52 99.1 no data -100.0 100 Impofu Dam Krom River 106 36.4 no data -37.4 37.36 Jozanashoek Dam Sterkspruit River 9.47 101.7 no data -103.1 103.06 Katrivier Dam Kat River 24.8 100 no data -100.2 100.17 Kommandodrift Dam Tarka River 55.9 88 no data -88.5 88.47 Kouga Dam Kouga River 126 32 no data -33.3 33.27 Kromrivier Dam Krom River 35.2 35.5 no data -37.0 37.04 Laing Dam Buffalo River 18.9 100 no data -100.3 100.32 Lake Arthur Dam Tarka River 11.3 48.4 no data -48.6 48.58 Loerie Dam Loeriespruit River 3.03 46.7 no data -41.9 41.86 Lubisi Dam Indwe River 114 67.8 no data -68.9 68.92 Mabeleni Dam Mhlahlane River 2.10 100 no data -100.0 100 Macubeni Dam Cacadu River 100 no data -100.0 100 Macubeni Dam Cacadu River 1.14 95.1 no data -98.5 98.52 Mlanga Dam Mlanga River 1.60 77.1 no data -78.7 78.69 Mnyameni Dam uMnyama River 1.82 98.3 no data -99.7 99.69 Nahoon Dam Nahoon River 19.3 77 no data -80.2 80.17 Ncora Dam Tsomo River 145 97.4 no data -98.5 98.49 Nqadu Dam Nqadu River 1.27 73.4 no data -75.2 75.17 Nqweba Dam Sondags River 45.4 85.4 no data -86.6 86.61 Ntenetyana Dam Ntenetyana River 1.61 97.7 no data -101.0 101.03 Nuwejaars Dam Nuwejaarspruit River 4.56 46.1 no data -46.9 46.88 Oxkraal Dam Oskraal River 15.1 91.4 no data -92.5 92.47 Rooikrans Dam Buffalo River 4.80 96.5 no data -99.0 99.04 Sandile Dam Keiskamma River 29.7 99.2 no data -99.9 99.87 Tsojana Dam Tsojana River 12.3 99.9 no data -100.0 100 Umtata Dam Mtata River 245 99.1 no data -100.2 100.18 Waterdown Dam Klipplaat River 37.4 98.3 no data -99.2 99.23 Wriggleswade Dam Kubisi River 91.5 96.2 no data -97.0 96.97 Xonxa Dam White Kei River 116 99.8 no data -99.9 99.9 Free State Province 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 -104.9 104.86 Armenia Dam Leeu River 13.2 107.9 no data -108.5 108.46 Bloemhof Dam Vaal River 1243 111.9 no data -107.2 107.18 Egmont Dam Witspruit River 9.06 104.2 no data -106.2 106.18 Erfenis Dam Groot-Vet River 214 107.9 no data -102.2 102.17 Fika-Patso Dam Namahadi River 29.4 107.9 no data -99.5 99.54 Gariep Dam Orange River 4903 101.7 no data -101.9 101.93 Groothoek Dam Kgabanyane River 11.9 99.6 no data -85.5 85.52 Kalkfontein Dam Riet River 325 103.2 no data -101.6 101.55 Knellpoort Dam Rietspruit River 130 101.8 no data -100.3 100.25 Koppies Dam Renoster River 42.3 107 no data -101.0 100.99 Krugersdrift Dam Modder River 71.5 109.6 no data -102.9 102.88 Metsi-Matsho Dam Metsi-Matsho River 4.38 109.6 no data -99.6 99.57 Rustfontein Dam Modder River 72.1 80 no data -58.9 58.87 Saulspoort Dam Liebenbergsvlei River 15.0 102.7 no data -101.7 101.72 Sterkfontein Dam Nuwejaarspruit River 2617 99.7 no data -99.9 99.85 Tierpoort Dam Tierpoort River 34.0 104.8 no data -104.6 104.55 Vaal Dam Vaal River 2561 105.1 no data -102.1 102.14 Vaalrivier Barrage Dam Vaal River 53.6 105.1 no data -98.0 98 Vanderkloof Dam Orange River 3137 102.8 no data -98.4 98.39 Welbedacht Dam Caledon River 5.42 80.4 no data -100.0 100 Gauteng Province 2026-05-04 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 4.38 105.1 no data -110.9 110.86 Bronkhorstspruit Dam Bronkhorstspruit River 57.0 102 no data -100.8 100.76 Klipdrift Dam Loopspruit River 13.3 103.3 no data -101.8 101.8 Rietvlei Dam Hennops River 12.3 101.2 no data -101.4 101.4 Roodeplaat Dam Pienaars River 41.2 100.6 no data -101.0 100.96 Kindom of Lesotho* Province 2026-05-04 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 99.6 no data -98.6 98.62 Mohale Dam Senqunyane River 844 102.7 no data -103.2 103.2 Kingdom of Eswatini* Province 2026-05-04 Name River Nett FSC This Week% Delta this and last week Last week Delta last and previous week Previous week Maguga Dam Komati River 334 100.1 no data -100.3 100.28 Kwazulu-Natal Province 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 -100.1 100.08 Bivane Dam Bivane River 114 100.1 no data -100.2 100.24 Craigie Burn Dam Mnyamvubu River 22.5 99.6 no data -100.2 100.18 Driel Barrage Dam Tugela River 8.69 90.3 no data -87.2 87.18 Goedertrouw Dam Mhlatuze River 301 98.5 no data -99.3 99.25 Hazelmere Dam Mdloti River 37.1 98.7 no data -99.9 99.91 Hluhluwe Dam Hluhluwe River 25.9 94.3 no data -96.2 96.23 Inanda Dam Mgeni River 237 100.9 no data -101.3 101.31 Klipfontein Dam Wit Mfolozi River 18.1 99.8 no data -100.2 100.16 Mearns Dam Mooi River 5.16 92.7 no data -101.8 101.78 Midmar Dam Mgeni River 235 97.4 no data -99.3 99.32 Nagle Dam Mgeni River 23.2 89 no data -98.6 98.59 Ntshingwayo Dam Ngagane River 195 77 no data -77.6 77.6 Pongolapoort Dam Phongolo River 2395 85.4 no data -85.1 85.1 Spioenkop Dam Tugela River 271 100.1 no data -100.1 100.05 Spring Grove Dam Mooi River 139 100.4 no data -100.4 100.36 Wagendrift Dam Boesmans River 55.9 100.6 no data -100.9 100.85 Woodstock Dam Tugela River 355 94.9 no data -95.8 95.79 Zaaihoek Dam Slang River 184 94.9 no data -100.5 100.53 Limpopo Province 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 -96.6 96.63 Dap Naude Dam Broederstroom River 1.94 100.3 no data -101.0 101.02 De Hoop Dam Steelpoort River 349 100.7 no data -100.7 100.73 Doorndraai Dam Sterk River 44.9 99.4 no data -99.4 99.37 Ebenezer Dam Groot-Letaba River 69.1 100.8 no data -100.9 100.9 Flag Boshielo Dam Olifants River 185 104.7 no data -102.8 102.8 Glen Alpine Dam Mogalakwena River 18.9 104.7 no data -106.3 106.25 Hans Merensky Dam Ramadiepa River 1.22 104.7 no data -103.5 103.5 Houtrivier Dam Hout River 6.62 99 no data -100.0 100 Klaserie Dam Klaserie River 5.60 103 no data -108.0 107.98 Luphephe Dam Luphephe River 14.0 101.4 no data -101.4 101.44 Magoebaskloof Dam Politsi River 4.84 101.3 no data -101.3 101.29 Middel-Letaba Dam Middel-Letaba River 172 100.6 no data -100.4 100.44 Modjadji Dam Molototsi River 7.20 101.1 no data -101.1 101.09 Mokolo Dam Mokolo River 146 101.1 no data -102.3 102.28 Mutshedzi Dam Mutshedzi River 2.34 107.6 no data -107.8 107.83 Nandoni Dam Levhuvhu River 166 103.4 no data -102.8 102.81 Nsami Dam Nsama River 21.9 101.8 no data -100.0 100 Nwanedzi Dam Nwanedzi River 5.14 101.1 no data -101.0 100.97 Nzhelele Dam Nzhelele River 51.2 102.2 no data -102.7 102.67 Rust De Winter Dam Elands River 28.2 101.6 no data -101.1 101.05 Thabina Dam Thabina River 3.42 100 no data -100.0 100 Tonteldoos Dam Tonteldoos River 0.19 100.8 no data -100.8 100.75 Tours Dam Ngwabitsi River 6.08 100.9 no data -100.1 100.1 Tzaneen Dam Groot-Letaba River 114 102.1 no data -102.0 101.97 Vergelegen Dam Tributary of Politsi River 0.25 102.6 no data -103.3 103.3 Vlugkraal Dam Vlugkraal River 0.44 100.6 no data -100.6 100.56 Vondo Dam Mutshindudi River 30.4 101.5 no data -101.4 101.44 Warmbad Dam Buffelspruit River 0.55 101.5 no data -102.9 102.85 Mpumalanga Province 2026-05-04 Name River Nett FSC This Week% Delta this and last week Last week Delta last and previous week Previous week Blyderivierpoort Dam Blyde River 54.4 101.4 no data -101.3 101.34 Buffelskloof Dam Waterval River 5.24 100.7 no data -100.7 100.7 Da Gama Dam White Waters River 13.5 100.8 no data -100.3 100.29 Driekoppies Dam Lomati River 251 101.1 no data -100.8 100.78 Grootdraai Dam Vaal River 350 101.6 no data -100.4 100.44 Heyshope Dam Assegaai River 445 102.1 no data -102.0 101.99 Inyaka Dam Marite River 124 100.7 no data -100.7 100.66 Jericho Dam Mpama River 58.9 100.3 no data -100.0 100 Klipkopjes Dam Wit River 11.8 100.4 no data -100.0 100 Kwena Dam Krokodil River 159 101 no data -100.9 100.87 Longmere Dam Wit River 4.20 101.3 no data -101.6 101.57 Loskop Dam Olifants River 362 101.7 no data -100.9 100.87 Middelburg Dam Little Olifants River 48.1 94.7 no data -99.0 99.03 Morgenstond Dam Ngwempisi River 100.0 100.4 no data -100.4 100.39 Nooitgedacht Dam Komati River 78.3 99.8 no data -100.6 100.58 Ohrigstad Dam Ohrigstad River 13.4 100.1 no data -100.2 100.19 Primkop Dam Wit River 1.90 101.9 no data -102.2 102.15 Rhenosterkop Dam Elands River 205 102 no data -100.7 100.71 Vygeboom Dam Komati River 78.0 100.9 no data -100.7 100.68 Westoe Dam Usutu River 60.1 78.5 no data -76.2 76.15 Witbank Dam Olifants River 104 98.6 no data -98.3 98.28 Witklip Dam Sand River 12.5 100.9 no data -100.8 100.75 North West Province 2026-05-04 Name River Nett FSC This Week% Delta this and last week Last week Delta last and previous week Previous week Boskop Dam Mooi River 20.0 105.4 no data -103.0 103.04 Bospoort Dam Hex River 15.8 103.4 no data -106.1 106.07 Buffelspoort Dam Sterkstroom River 10.2 101.1 no data -100.9 100.93 Disaneng Dam Molopo River 14.1 104.6 no data -103.3 103.26 Elandskuil Dam Swartleegte River 1.18 109.4 no data -109.4 109.43 Hartbeespoort Dam Krokodil River 186 99.3 no data -98.6 98.57 Johan Neser Dam Skoonspruit River 5.67 103.9 no data -103.9 103.92 Klein-Maricopoort Dam Klein Marico River 7.23 101.7 no data -101.7 101.67 Klerkskraal Dam Mooi River 7.92 119 no data -120.6 120.62 Klipvoor Dam Pienaars River 40.7 103.2 no data -101.9 101.86 Kosterrivier Dam Koster River 12.4 103.4 no data -102.3 102.31 Kromellenboog Dam Klein Marico River 8.65 102.6 no data -105.9 105.86 Lindleyspoort Dam Elands River 14.2 101.3 no data -102.4 102.42 Madikwe Dam Tholwane River 15.9 114.9 no data -93.5 93.46 Marico-Bosveld Dam Groot-Marico River 26.9 102.7 no data -105.7 105.71 Middelkraal Dam Maretlwane River 0.74 102.7 no data -100.0 100 Molatedi Dam Groot-Marico River 201 113.8 no data -111.5 111.48 Ngotwane Dam Ngotwane River 19.0 87.8 no data -70.3 70.25 Olifantsnek Dam Hex River 13.7 99.8 no data -100.6 100.56 Pella Dam Lethlakane River 2.11 78.1 no data -57.1 57.07 Potchefstroom Dam Mooi River 2.03 107.8 no data -103.9 103.85 Rietspruit Dam Rietspruit River 7.28 103.6 no data -103.9 103.91 Roodekopjes Dam Krokodil River 96.3 92.4 no data -91.7 91.7 Sehujwane Dam Sehujane River 3.61 100.8 no data -100.6 100.56 Setumo Dam Molopo River 20.7 100.4 no data -100.2 100.22 Swartruggens Dam Elands River 0.47 106.7 no data -117.4 117.36 Taung Dam Harts River 61.4 100.5 no data -99.2 99.2 Vaalkop Dam Elands River 51.3 102.5 no data -106.4 106.44 Northern Cape Province 2026-05-04 Name River Nett FSC This Week% Delta this and last week Last week Delta last and previous week Previous week Boegoeberg Dam Orange River 23.6 no data no data -102.5 102.48 Douglas Weir Dam Vaal River 16.2 133.8 no data -118.9 118.86 Karee Dam Karee River 0.96 34.7 no data -37.2 37.2 Leeubos Dam Swartbas River 34.7 no data -37.2 37.2 Spitskop Dam Harts River 57.8 162.4 no data -104.9 104.86 Vaalharts Weir Dam Vaal River 50.7 82.3 no data -104.9 104.86 Western Cape Province 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 -91.7 91.72 Berg River Dam Berg River 127 47.5 no data -42.3 42.3 Brandvlei Dam Lower Brandvlei River 286 35.7 no data -33.6 33.58 Buffeljags Dam Buffeljags River 4.54 100.6 no data -101.1 101.12 Bulshoek Dam Olifants River 4.81 93.7 no data -77.5 77.5 Calitzdorp Dam Nels River 4.82 30.5 no data -28.9 28.85 Ceres Dam Koekedou River 17.3 85.2 no data -105.7 105.69 Ceres Dam Koekedou River 17.3 98.3 no data -99.4 99.43 Ceres Dam Koekedou River 17.3 87.8 no data -89.4 89.37 Ceres Dam Koekedou River 17.3 63 no data -60.2 60.23 Clanwilliam Dam Olifants River 122 20.6 no data -16.3 16.28 De Bos Dam Onrus River 5.74 64.4 no data -63.2 63.23 Duiwenhoks Dam Duiwenhoks River 6.18 67.2 no data -67.1 67.08 Eikenhof Dam Palmiet River 28.9 48.3 no data -40.4 40.42 Elandskloof Dam Elands River 11.0 29.4 no data -21.1 21.06 Ernest Robertson Dam Groot Brak River 0.41 81 no data -70.8 70.83 Floriskraal Dam Buffels River 46.6 50.6 no data -51.1 51.06 Gamka Dam Gamka River 1.73 16.5 no data -16.9 16.85 Gamkapoort Dam Gamka River 35.7 96.6 no data -100.0 100 Garden Route Dam Swart River 12.4 46.1 no data -49.2 49.24 Haarlem Dam Groot River 4.60 12.3 no data -13.3 13.25 Hartebeestkuil Dam Hartenbos River 7.13 34.3 no data -35.3 35.3 Kammanassie Dam Kammanassie River 34.4 33.3 no data -33.5 33.5 Keerom Dam Nuy River 9.75 33.3 no data -71.2 71.17 Klipberg Dam Konings River 1.94 33.3 no data -29.1 29.11 Klipheuwel Dam Tributary of Hartenbos River 4.45 5.6 no data -7.3 7.27 Korentepoort Dam Korinte River 8.09 42.9 no data -42.7 42.7 Kwaggaskloof Dam Doorn River 169 36.5 no data -34.0 33.98 Lakenvallei Dam Sanddrifskloof River 10.4 86.7 no data -87.5 87.54 Leeugamka Dam Leeu River 13.4 95.7 no data -98.8 98.76 Miertjieskraal Dam Brand River 1.43 7.8 no data -7.9 7.9 Misverstand Dam Berg River 5.68 108.7 no data -101.7 101.7 Oukloof Dam Cordiers River 4.26 76.9 no data -77.9 77.87 Pietersfontein Dam Pietersfontein River 1.92 89.9 no data -90.5 90.52 Poortjieskloof Dam Groot River 9.72 64.5 no data -64.9 64.9 Prinsrivier Dam Prins River 2.26 64.5 no data -100.5 100.49 Roode Els Berg Dam Sanddrifskloof River 7.73 26.1 no data -26.7 26.73 Roodefontein Dam Piesang River 1.99 29.5 no data -29.0 29.01 Steenbras-Lower Dam Steenbras River 33.9 38 no data -34.2 34.17 Steenbras-Upper Dam Steenbras River 31.8 55.1 no data -58.2 58.2 Stettynskloof Dam Holsloot River 14.7 74.3 no data -49.3 49.29 Stompdrift Dam Olifants River 46.3 29.6 no data -29.9 29.92 Theewaterskloof Dam Riviersonderend River 479 47.3 no data -43.2 43.19 Tierkloof Dam Tributary of Seweweekspoort River 0.03 100 no data -100.0 100 Voelvlei Dam Voelvlei River 159 50.3 no data -49.3 49.31 Wemmershoek Dam Wemmers River 58.7 49.5 no data -47.9 47.88 Wolwedans Dam Groot Brak River 24.6 54.5 no data -57.2 57.23