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 River
- Bronkhorstspruit Dam - Bronkhorstspruit River
- Buffelskloof Dam - Waterval River
- Flag Boshielo Dam - Olifants River
- Klaserie Dam - Klaserie River
- Loskop Dam - Olifants River
- Middelburg Dam - Little Olifants River
- Ohrigstad Dam - Ohrigstad River
- Rhenosterkop Dam - Elands River
- Rust de Winter Dam - Elands River
- Tonteldoos Dam - Tonteldoos River
- Tours Dam - Ngwabitsi River
- Vlugkraal Dam - Vlugkraal River
- Witbank Dam - Olifants River
Bouderies edit
Tertiary drainage regions B11, B12, B20, B31, B32, B41, B42, B51, B52, B60 and B71 to B73.