Upper Orange Water Management Area

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:
Boundaries.
Tertiary drainage regions C51, C52, D11 to D18, D21 to D24, D31, D32, D34 and D35.