Olifants/Doorn WMA, or Olifants/Doorn Water Management Area, Includes the following major rivers: the Olifants River, Doorn River, Krom River, Sand River, and Sout River, and covers the following dams:
Bulshoek Dam Olifants River Clanwilliam Dam Olifants River Karee Dam Karee River
Boundaries Primary drainage region E and tertiary drainage regions G30 and F60.
See also Water Management Areas List of reservoirs and dams in South Africa List of rivers of South Africa
References http://www.dwaf.gov.za/Hydrology/