Mvoti to Umzimkulu WMA, or Mvoti to Umzimkulu Water Management Area (coded: 11), Includes the following major rivers: the Mvoti River, uThongathi River, uMdloti River, Ohlanga River, Mngeni River, Sterkspruit River, iLovu River, uMkomazi River, Mzimayi River, uMzimkhulu River and Mtamvuna River[1] and covers the following Dams:
Primary drainage region U and tertiary drainage regions T40, T51 and T52.