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- Aswan High Dam (Egypt) 18
- Agriculture 4
- Irrigation 4
- Barrages 3
- Canals 3
- Dams 3
- Economic development 3
- Groundwater 3
- Politics and government 3
- Soviet Union 3
- Technology 3
- Water quality 3
- Building 2
- Erosion 2
- Hydrology 2
- Nasser, Lake (Egypt and Sudan) 2
- Water--Storage 2
- Water-power 2
- Algae 1
- Aquaculture 1
