Olifants WMA, or Olifants Water Management Area (coded: 4), Includes the following major rivers: the Elands River, Wilge River, Steelpoort River and Olifants River, and covers the following dams:
Blyderivierpoort Dam - Blyde RiverBronkhorstspruit Dam - Bronkhorstspruit RiverBuffelskloof Dam - Waterval RiverFlag Boshielo Dam - Olifants RiverKlaserie Dam - Klaserie RiverLoskop Dam - Olifants RiverMiddelburg Dam - Little Olifants RiverOhrigstad Dam - Ohrigstad RiverRhenosterkop Dam - Elands RiverRust de Winter Dam - Elands RiverTonteldoos Dam - Tonteldoos RiverTours Dam - Ngwabitsi RiverVlugkraal Dam - Vlugkraal RiverWitbank Dam - Olifants RiverTertiary drainage regions B11, B12, B20, B31, B32, B41, B42, B51, B52, B60 and B71 to B73.