Gouritz WMA, or Gouritz Water Management Area (coded: 16), in South Africa includes the following major rivers: the Gouritz River, Olifants River, Kamanassie River, Gamka River, Buffels River, Touws River, Goukou River and Duiwenhoks River, and covers the following Dams:
Primary drainage region J and tertiary drainage regions H80, H90, K10 to K70.