Related by context. Frequent words. (Click for all words.) 66 Zambezi river 63 Cahora Bassa dam 63 Omo River 62 Zambezi River 60 Cahora Bassa 58 Akosombo Dam 57 Three Gorges Reservoir 57 Vaal Dam 57 Lake Kariba 56 hydro electric dams 55 Vaal River 55 hydro electric dam 55 Brahmaputra River 55 Syr Darya 55 dam 54 dams 54 Lesotho Highlands 54 Ruacana 54 Sukkur Barrage 54 Xijiang River 53 desilted 53 Tungabhadra 53 Sutlej river 53 Murrumbidgee River 53 hydropower dam 53 Lake Alexandrina 52 Poyang Lake 52 rivers 52 Subarnarekha 52 river Brahmaputra 52 Kerio Valley 52 Okavango Delta 52 gully erosion 52 Ghaggar 52 Luangwa 52 Mahanadi river 52 Dongting Lake 52 Irrigation Scheme 52 Hydropower Plant 52 Three Gorges reservoir 52 Menindee Lakes 52 Nagarjunasagar 51 river embankments 51 Narmada river 51 Nyando 51 Angat Dam 51 Zambezi 51 Klipspruit 51 Tehri dam 51 dammed 51 Soil erosion 51 river basin 51 Godavari river 50 silting 50 Lake Turkana 50 Turag 50 Okavango 50 Gandak 50 salination 50 stilt houses 50 Potable water 50 desilt 50 Hartbeespoort Dam 50 reservoirs 50 Hydropower Project 50 Bui Dam 50 Ngorongoro 50 River Chenab 50 hydro electric power 50 spillway 49 river Chenab 49 dam spillway 49 Lake Natron 49 Bonnet Carre 49 weirs 49 Taal Lake 49 groundwater depletion 49 Kazungula 49 Mau forest 49 hydro dams 49 crocodile infested 49 sluices 49 hydropower 49 Kariba 49 Luapula 49 hydrological 49 Murchison Falls 49 Gippsland Lakes 49 Lephalale 49 Kabini 49 groundwater aquifers 49 siltation 49 Tonle Sap 49 spillway gates 48 headwater 48 Mangla Dam 48 Richelieu River 48 Taihu Lake 48 Karuma 48 severe droughts 48 reservoir