Sources of Definitions: 1. SADC. Revised Protocol on Shared Watercourses 2. SADC 2003. Regional Indicative Strategic Development Plan 3. African Development Bank, 2000. Policy for Integrated Water Resources Management. 4. SADC, IUCN, SARDC, SIDA, World Bank, 2002. Defining and Mainstreaming Environmental Sustainability in Water Resources Management in Southern Africa - 60 -