Upper Vaal WMA, or Upper Vaal Water Management Area (coded: 8), is a Water Management Area that includes the following major rivers: the Wilge River, Liebenbergsvlei River, Mooi River and Vaal River, and covers the following Dams:
Boskop Dam - Mooi River Grootdraai Dam - Vaal River Klerkskraal Dam - Mooi River Klipdrift Dam - Loop Spruit Potchefstroom Dam - Mooi River Saulspoort Dam - Liebenbergsvlei River Sterkfontein Dam - Nuwejaar Spruit Vaal Dam - Vaal River
Boundaries Tertiary drainage regions C11 to C13, C21 to C23, and C81 to C83.
References
Hydrology