Related by context. Frequent words. (Click for all words.) 52 Ogallala aquifer 49 Mahanadi river 49 shallow aquifer 48 Xijiang River 48 mud embankments 47 Songhua river 47 Brahmaputra River 47 Everglades ecosystem 46 Ogallala Aquifer 46 bd.className = bd.className.replace overflow 45 Syr Darya 45 Tehri dam 44 Amur River 44 Tarbela Dam 44 Chari River 44 IWRM 44 Cauvery river 44 Tungabhadra 44 Indus river 44 Three Gorges Reservoir 44 aquifer recharge 44 Mentawai chain 43 Omo River 43 Typhoon Damrey 43 Typhoon Lekima 43 disputed Abyei 43 Floridan Aquifer 43 lakh cusecs 43 groundwater withdrawals 43 river basin 43 river embankments 43 Mahanadi 42 Great Lakes basin 42 groundwater basins 42 Subarnarekha 42 threatened delta smelt 42 Gandak 42 Pelluhue 42 reservoirs 42 Hetch Hetchy Reservoir 42 Nile basin 42 semiautonomous tribal 42 upper riparian 42 neighboring prefectures 42 river Brahmaputra 41 river basins 41 groundwater pumping 41 Lebanon Litani River 41 Warragamba Dam 41 southern Peloponnese peninsula 41 unusually heavy rains 41 Fukushima Daini 41 Friant Dam 41 tmc 41 groundwater basin 41 Melamchi 41 irrigated agriculture 41 sq. mi 41 Huaihe River 41 Great Lakes Compact 41 Narmada river 41 Cahora Bassa dam 41 Danube Delta 41 gyres 40 Loktak lake 40 Sudan strife torn 40 wells unplugged unprotected 40 Northeast Cape Fear 40 river Jhelum 40 irrigated farmland 40 Ciudad Anahuac 40 Three Gorges reservoir 40 Richard Wagenaar 40 aquifer 40 Flaming Gorge Reservoir 40 Cholera outbreak 40 TWDB 39 Mekong river 39 groundwater extraction 39 Sindh Province 39 Huai River 39 tmcft 39 navigable rivers 39 Edwards Aquifer 39 regions bordering 39 Calcasieu Ship Channel 39 Pueblo Reservoir 39 Tropical Cyclone Sidr 39 Lake Lavon 39 Nagarjunasagar 39 Jewish settlement blocs 39 Strong quake jolts 38 reservoir 38 IRIS especially 38 rivers lakes 38 Nile Basin 38 Myanmar Irrawaddy delta 38 SNWA 38 Mannar district 38 Buford Dam 38 oxbows