| Name of WMA | Gross capacity x10³M³ | Nr. | Main rivers | Location | | Berg Water Management Area | 416 | 19 | Berg River, Diep River and Steenbras River | Around Cape Town, Western Cape |
| Breede Water Management Area | 1 039 | 18 | Breede River, Riviersonderend River, Sout River, Bot River and Palmiet River | Around Cape Aghulas, Western Cape |
| Crocodile (West) and Marico Water Management Area | 814 | 3 | Crocodile River and Marico River | Mostly North West |
| Fish to Tsitsikama Water Management Area | 726 | 15 | Great Fish River, Kowie River, Boesmans River, Sundays River, Gamtoos River, Kromme River, Tsitsikamma River and Groot River | Western part of Eastern Cape |
| Gouritz Water Management Area | 261 | 16 | Gouritz River, Olifants River, Kamanassie River, Gamka River, Buffels River, Touws River, Goukou River and Duiwenhoks River | Eastern part of Western Cape |
| Inkomati Water Management Area | 1 049 | 5 | Komati River and Crocodile River | Eastern Mpumalanga |
| Limpopo Water Management Area | 281 | 1 | Limpopo River, Matlabas River, Mokolo River, Lephalala River, Mogalakwena River, Sand River, Nzhelele River and Nwanedi River | Limpopo province |
| Lower Orange Water Management Area | 36 | 14 | Ongers River, Hartbees River and Orange River | Mostly Northern Cape |
| Lower Vaal Water Management Area | 106 | 10 | Harts River, Molopo River and Vaal River | North West and northern Northern Cape |
| Luvubu and Letaba Water Management Area | 652 | 2 | Mutale River, Luvuvhu River and Letaba River | Northeast Limpopo |
| Middle Vaal Water Management Area | 1 673 | 9 | Mooi River, Vet River and Vaal River | Northwest Free State |
| Mvoti to Umzimkulu Water Management Area | 806 | 11 | Mvoti River, Tongaat River, Mdloti River, Ohlanga river, Umgeni River, Sterkspruit River, Lovu River, Umkomazi River, Mzimayi River, Umzimkulu River, Mtamvuna River | Around Durban |
| Mzimvubu to Keiskamma Water Management Area | 1 070 | 12 | Swane River, Mntafufu River, Mzimvubu River, Mngazi River, Mtata River, Xora River, Mbashe River, Nqabara River, Gqunube River, Buffalo River, Nahoon River, Groot Kei River | Rest of Eastern Cape |
| Olifants Water Management Area | 1 074 | 4 | Elands River, Wilge River, Steelpoort River and Olifants River | Southern part of Limpopo, northern Mpumalanga |
| Olifants/Doorn Water Management Area | 128 | 17 | Olifants River, Doorn River, Krom River, Sand River, and Sout River | Western Cape north of Cape Town |
| Thukela Water Management Area | 1 110 | 7 | Thukela River | Western KwaZulu-Natal |
| Upper Orange WMA | 11 566 | 13 | Modder River, Riet River, Caledon River and Orange River | Southern Free State |
| Upper Vaal WMA | 5 630 | 8 | Wilge River, Liebenbergsvlei River and Vaal River | Gauteng, northern Free State, southern Mpumalanga |
| Usutu to Mhlatuze Water Management Area | 3 283 | 6 | Usutu River, Pongola River, Mhlatuze River, Mfolozi River and Mkuze River | Northern KwaZulu-Natal |