Upper Orange WMA, or Upper Orange Water Management Area (coded: 13), Includes the following major rivers: the Modder River, Riet River, Caledon River and Orange River, and covers the following Dams: * Armenia Dam * Egmont Dam * Gariep Dam Orange River * * Kalkfontein Dam Riet River * Katse Dam Malibamatso River * Knellpoort Dam * Krugersdrift Dam Modder River * Mohale Dam Senqunyane River * Rustfontein Dam Modder River * * Vanderkloof Dam Orange River * Welbedacht Dam Caledon River