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 2026-06-01 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 92.51 Berg River Dam Berg River 127 75.9 no data 77.82 Brandvlei Dam Lower Brandvlei River 286 45.7 no data 44.04 Buffeljags Dam Buffeljags River 4.54 100.8 no data 101.69 Bulshoek Dam Olifants River 4.81 46.6 no data 61.06 Calitzdorp Dam Nels River 4.82 100.3 no data 100.53 Ceres Dam Koekedou River 17.3 100 no data 100.58 Clanwilliam Dam Olifants River 122 81.9 no data 88.3 De Bos Dam Onrus River 5.74 95.3 no data 92.25 Duiwenhoks Dam Duiwenhoks River 6.18 100.2 no data 100.51 Eikenhof Dam Palmiet River 28.9 101.3 no data 101.3 Elandskloof Dam Elands River 11.0 93 no data 100.71 Ernest Robertson Dam Groot Brak River 0.41 100 no data 100 Floriskraal Dam Buffels River 46.6 101 no data 102.59 Gamka Dam Gamka River 1.73 100.3 no data 100.52 Gamkapoort Dam Gamka River 35.7 102.5 no data 102.68 Garden Route Dam Swart River 12.4 90.2 no data 88.75 Hartebeestkuil Dam Hartenbos River 7.13 55.5 no data 42.9 Kammanassie Dam Kammanassie River 34.4 101.7 no data 102.38 Karee Dam Karee River 0.96 99.8 no data 99.88 Keerom Dam Nuy River 9.75 99.8 no data 88.39 Klipberg Dam Konings River 1.94 82.6 no data 28.45 Klipheuwel Dam Tributary of Hartenbos River 4.45 20.5 no data 19.94 Korentepoort Dam Korinte River 8.09 60.8 no data 59.04 Kwaggaskloof Dam Doorn River 169 45.1 no data 42.46 Lakenvallei Dam Sanddrifskloof River 10.4 100.1 no data 100.15 Leeubos Dam Swartbas River 100.1 no data 100.15 Leeugamka Dam Leeu River 13.4 100.3 no data 100 Miertjieskraal Dam Brand River 1.43 99.8 no data 100 Misverstand Dam Berg River 5.68 114.1 no data 123.01 Oukloof Dam Cordiers River 4.26 100.4 no data 101.02 Pietersfontein Dam Pietersfontein River 1.92 100.3 no data 100.51 Poortjieskloof Dam Groot River 9.72 96 no data 94.39 Prinsrivier Dam Prins River 2.26 96 no data 98.28 Roode Els Berg Dam Sanddrifskloof River 7.73 97.6 no data 97.54 Roodefontein Dam Piesang River 1.99 99.5 no data 100.67 Steenbras-Lower Dam Steenbras River 33.9 50.7 no data 53.13 Steenbras-Upper Dam Steenbras River 31.8 81.2 no data 68.89 Stettynskloof Dam Holsloot River 14.7 100 no data 102.12 Stompdrift Dam Olifants River 46.3 101.7 no data 102.34 Theewaterskloof Dam Riviersonderend River 479 73.3 no data 69.72 Tierkloof Dam Tributary of Seweweekspoort River 0.03 100 no data 100 Voelvlei Dam Voelvlei River 159 59.6 no data 56.61 Wemmershoek Dam Wemmers River 58.7 96.7 no data 92.92 Wolwedans Dam Groot Brak River 24.6 100.3 no data 100.19 Inkomati-Usuthu WMA 2026-06-01 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 13.5 100.3 no data 100 Driekoppies Dam Lomati River 251 100.7 no data 100.78 Heyshope Dam Assegaai River 445 101.2 no data 101.65 Inyaka Dam Marite River 124 100.1 no data 100.46 Jericho Dam Mpama River 58.9 98 no data 98.82 Klipkopjes Dam Wit River 11.8 100.2 no data 100.4 Kwena Dam Krokodil River 159 100.7 no data 100.87 Longmere Dam Wit River 4.20 101.3 no data 101.35 Morgenstond Dam Ngwempisi River 100.0 99.6 no data 99.41 Nooitgedacht Dam Komati River 78.3 100.3 no data 99.22 Primkop Dam Wit River 1.90 101.3 no data 101.72 Vygeboom Dam Komati River 78.0 100.5 no data 100.94 Westoe Dam Usutu River 60.1 75.7 no data 78.59 Witklip Dam Sand River 12.5 100.6 no data 100.6 Kingdom of Eswatini WMA 2026-06-01 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 99.9 no data 100.16 Kingdom of Lesotho WMA 2026-06-01 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 62 no data 74.98 Ceres Dam Koekedou River 17.3 95.7 no data 97.35 Ceres Dam Koekedou River 17.3 89 no data 88.59 Katse Dam Malibamatso River 1519 93.9 no data 95.46 Mohale Dam Senqunyane River 844 101.9 no data 102.52 Limpopo-Olifants WMA 2026-06-01 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 94.7 no data 98.83 Blyderivierpoort Dam Blyde River 54.4 100.9 no data 101.1 Bon Accord Dam Apies River 4.38 104.5 no data 104.47 Bospoort Dam Hex River 15.8 102.2 no data 102.16 Bronkhorstspruit Dam Bronkhorstspruit River 57.0 100.9 no data 101.67 Buffelskloof Dam Waterval River 5.24 100.5 no data 100.58 Buffelspoort Dam Sterkstroom River 10.2 100.8 no data 100.93 Dap Naude Dam Broederstroom River 1.94 92.1 no data 96.73 De Hoop Dam Steelpoort River 349 100.7 no data 100.68 Doorndraai Dam Sterk River 44.9 99.2 no data 99.37 Ebenezer Dam Groot-Letaba River 69.1 100.6 no data 100.73 Flag Boshielo Dam Olifants River 185 102.8 no data 103.77 Glen Alpine Dam Mogalakwena River 18.9 103.5 no data 104.73 Hans Merensky Dam Ramadiepa River 1.22 103.1 no data 103.5 Hartbeespoort Dam Krokodil River 186 99.2 no data 97.8 Houtrivier Dam Hout River 6.62 96.9 no data 97.97 Klaserie Dam Klaserie River 5.60 101.5 no data 102.12 Klein-Maricopoort Dam Klein Marico River 7.23 101.7 no data 101.67 Klipvoor Dam Pienaars River 40.7 101.7 no data 102.42 Kosterrivier Dam Koster River 12.4 102.5 no data 102.95 Kromellenboog Dam Klein Marico River 8.65 101.8 no data 101.77 Lindleyspoort Dam Elands River 14.2 100.6 no data 100.89 Loskop Dam Olifants River 362 100.9 no data 101.55 Luphephe Dam Luphephe River 14.0 101.2 no data 101.25 Madikwe Dam Tholwane River 15.9 110.6 no data 111.9 Magoebaskloof Dam Politsi River 4.84 100.9 no data 101.1 Marico-Bosveld Dam Groot-Marico River 26.9 101.7 no data 101.83 Middelburg Dam Little Olifants River 48.1 97.7 no data 97.29 Middelkraal Dam Maretlwane River 0.74 100 no data 100 Middel-Letaba Dam Middel-Letaba River 172 100 no data 100 Modjadji Dam Molototsi River 7.20 100.5 no data 100.68 Mokolo Dam Mokolo River 146 100.5 no data 102.28 Molatedi Dam Groot-Marico River 201 110.3 no data 111.29 Mutshedzi Dam Mutshedzi River 2.34 107.2 no data 107.41 Nandoni Dam Levhuvhu River 166 102.1 no data 102.34 Ngotwane Dam Ngotwane River 19.0 93.3 no data 93.25 Nsami Dam Nsama River 21.9 97.7 no data 99.54 Nwanedzi Dam Nwanedzi River 5.14 100.9 no data 100.86 Nzhelele Dam Nzhelele River 51.2 101.5 no data 101.49 Ohrigstad Dam Ohrigstad River 13.4 100.1 no data 100.08 Olifantsnek Dam Hex River 13.7 101.3 no data 101.32 Pella Dam Lethlakane River 2.11 81.2 no data 83.29 Rhenosterkop Dam Elands River 205 101.1 no data 101.79 Rietvlei Dam Hennops River 12.3 100.2 no data 100.62 Roodekopjes Dam Krokodil River 96.3 103.6 no data 101.54 Roodeplaat Dam Pienaars River 41.2 100.6 no data 100.58 Rust De Winter Dam Elands River 28.2 101.2 no data 101.23 Sehujwane Dam Sehujane River 3.61 100.8 no data 100.75 Swartruggens Dam Elands River 0.47 104.3 no data 105.13 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 6.08 100.4 no data 100.29 Tzaneen Dam Groot-Letaba River 114 99.8 no data 100.93 Vaalkop Dam Elands River 51.3 103.5 no data 104.33 Vergelegen Dam Tributary of Politsi River 0.25 103 no data 129.66 Vlugkraal Dam Vlugkraal River 0.44 100.6 no data 100.56 Vondo Dam Mutshindudi River 30.4 100.9 no data 101.08 Warmbad Dam Buffelspruit River 0.55 100.9 no data 102.85 Witbank Dam Olifants River 104 99.4 no data 100 Mzimvubu-Tsitsikamma WMA 2026-06-01 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 95.7 no data 96.75 Boesmanskrantz Dam Oxkraal River 95.7 no data 96.75 Boesmanskrantz Dam Oxkraal River 4.82 93 no data 93.85 Bridle Drift Dam Buffalo River 97.9 80.1 no data 83.42 Cata Dam Cata River 12.1 80.6 no data 82.92 Corana Dam Corana River 0.73 96 no data 96.22 Darlington Dam Sondags River 180 50.7 no data 56.3 De Mistkraal Dam Little Fish River 2.05 97.9 no data 84.82 Debe Dam Debe River 97.9 no data 84.82 Debe Dam Debe River 6.33 45.4 no data 45.21 Doornrivier Dam Doorn River 17.1 93 no data 93.17 Elandsdrift Dam Great Fish River 3.55 117.9 no data 105.8 Glen Melville Dam Water from Fish river via Ecca tunnel River 6.23 89 no data 98.16 Grassridge Dam Groot Brak River 44.5 71.4 no data 90.73 Groendal Dam Swartkops River 11.6 100.9 no data 101.67 Gubu Dam Gubu River 8.52 98.5 no data 98.98 Haarlem Dam Groot River 4.60 100.4 no data 100 Impofu Dam Krom River 106 100.6 no data 107.42 Katrivier Dam Kat River 24.8 100.2 no data 100.26 Kommandodrift Dam Tarka River 55.9 92.3 no data 92.41 Kouga Dam Kouga River 126 101.1 no data 101.6 Kromrivier Dam Krom River 35.2 100.6 no data 101.28 Laing Dam Buffalo River 18.9 100 no data 100 Lake Arthur Dam Tarka River 11.3 55.5 no data 55.18 Loerie Dam Loeriespruit River 3.03 101.4 no data 101.3 Lubisi Dam Indwe River 114 66.9 no data 67.92 Mabeleni Dam Mhlahlane River 2.10 100 no data 100 Macubeni Dam Cacadu River 100 no data 100 Macubeni Dam Cacadu River 1.14 97.5 no data 91.72 Mlanga Dam Mlanga River 1.60 75.3 no data 76.02 Mnyameni Dam uMnyama River 1.82 98 no data 95.98 Nahoon Dam Nahoon River 19.3 72.4 no data 74.61 Ncora Dam Tsomo River 145 97.3 no data 97.83 Nqadu Dam Nqadu River 1.27 71.7 no data 72.17 Nqweba Dam Sondags River 45.4 102.3 no data 101.73 Ntenetyana Dam Ntenetyana River 1.61 92 no data 96.83 Nuwejaars Dam Nuwejaarspruit River 4.56 98.6 no data 98.62 Oxkraal Dam Oskraal River 15.1 89.6 no data 89.91 Rooikrans Dam Buffalo River 4.80 91.2 no data 97.3 Sandile Dam Keiskamma River 29.7 100 no data 100.06 Tsojana Dam Tsojana River 12.3 99.1 no data 99.44 Umtata Dam Mtata River 245 98.6 no data 98.62 Waterdown Dam Klipplaat River 37.4 100 no data 100.14 Wriggleswade Dam Kubisi River 91.5 95.7 no data 96.43 Xonxa Dam White Kei River 116 98.1 no data 99.58 Pongola-Mtamvuna WMA 2026-06-01 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 96.5 no data 98.34 Bivane Dam Bivane River 114 99.7 no data 100.12 Craigie Burn Dam Mnyamvubu River 22.5 99.1 no data 99.54 Driel Barrage Dam Tugela River 8.69 99.1 no data 90.26 Goedertrouw Dam Mhlatuze River 301 97.3 no data 98.03 Hazelmere Dam Mdloti River 37.1 95.5 no data 97.08 Hluhluwe Dam Hluhluwe River 25.9 93.1 no data 94.59 Inanda Dam Mgeni River 237 100.9 no data 100.75 Klipfontein Dam Wit Mfolozi River 18.1 99.3 no data 99.67 Mearns Dam Mooi River 5.16 54.6 no data 48.28 Midmar Dam Mgeni River 235 95.2 no data 96.38 Nagle Dam Mgeni River 23.2 95.9 no data 91.25 Ntshingwayo Dam Ngagane River 195 74.2 no data 75.54 Pongolapoort Dam Phongolo River 2395 85.6 no data 85.95 Spioenkop Dam Tugela River 271 100 no data 100.14 Spring Grove Dam Mooi River 139 97.5 no data 100.36 Wagendrift Dam Boesmans River 55.9 100.2 no data 100.66 Woodstock Dam Tugela River 355 93.5 no data 93.38 Zaaihoek Dam Slang River 184 93.5 no data 100.53 Vaal-Orange WMA 2026-06-01 Name River Nett FSC This Week% Delta this and last week Last week Delta last and previous week Previous week Allemanskraal Dam Sand River 172 100.3 no data 100.93 Armenia Dam Leeu River 13.2 100 no data 100.9 Bloemhof Dam Vaal River 1243 104.6 no data 105.42 Boegoeberg Dam Orange River 23.6 135.1 no data 117.9 Boskop Dam Mooi River 20.0 103.2 no data 104.58 Disaneng Dam Molopo River 14.1 101.1 no data 101.08 Douglas Weir Dam Vaal River 16.2 115.8 no data 132.67 Egmont Dam Witspruit River 9.06 101.1 no data 101.66 Elandskuil Dam Swartleegte River 1.18 108.2 no data 109.02 Erfenis Dam Groot-Vet River 214 100.5 no data 101.09 Fika-Patso Dam Namahadi River 29.4 96.7 no data 99.13 Gariep Dam Orange River 4903 99.6 no data 109.44 Grootdraai Dam Vaal River 350 99.9 no data 102.93 Groothoek Dam Kgabanyane River 11.9 98.5 no data 98.73 Johan Neser Dam Skoonspruit River 5.67 101.7 no data 101.73 Jozanashoek Dam Sterkspruit River 9.47 100.6 no data 101.06 Kalkfontein Dam Riet River 325 102.7 no data 103.55 Klerkskraal Dam Mooi River 7.92 102.7 no data 129.91 Klipdrift Dam Loopspruit River 13.3 102.7 no data 103.26 Knellpoort Dam Rietspruit River 130 100 no data 100.48 Koppies Dam Renoster River 42.3 100.7 no data 101.65 Krugersdrift Dam Modder River 71.5 100.5 no data 102.35 Metsi-Matsho Dam Metsi-Matsho River 4.38 98.3 no data 99.78 Potchefstroom Dam Mooi River 2.03 104.6 no data 106.2 Rietspruit Dam Rietspruit River 7.28 104.6 no data 102.92 Rustfontein Dam Modder River 72.1 99.5 no data 100.49 Saulspoort Dam Liebenbergsvlei River 15.0 98.9 no data 99.55 Setumo Dam Molopo River 20.7 99.8 no data 99.79 Spitskop Dam Harts River 57.8 107.6 no data 118.81 Sterkfontein Dam Nuwejaarspruit River 2617 99.4 no data 99.49 Taung Dam Harts River 61.4 100.7 no data 100.28 Tierpoort Dam Tierpoort River 34.0 100.5 no data 101.31 Vaal Dam Vaal River 2561 106.1 no data 108.99 Vaalharts Weir Dam Vaal River 50.7 83.7 no data 53.93 Vaalrivier Barrage Dam Vaal River 53.6 99.5 no data 95.59 Vanderkloof Dam Orange River 3137 101.9 no data 109.15 Welbedacht Dam Caledon River 5.42 95.1 no data 100