WATER STORAGE 364 water storage 293 ALMACENAMIENTO DE AGUA 205 STOCKAGE D'EAU 202 WATER RESOURCES 168 IRRIGATION 154 WATER SUPPLY 145 GROUNDWATER 139 DAMS 116 WATER USE 114 SURFACE WATER 113 WATER QUALITY 110 RIVERS 101 WATER MANAGEMENT 99 WATER RESOURCE 95 HYDROLOGY 90 WATER SECTOR 90 WELLS 81 RAINFALL 78 DRAINAGE 77 CLIMATE CHANGE 75 climate change 75 RIVER BASIN 74 river basins 73 SANITATION 72 WATER RESOURCES MANAGEMENT 72 DROUGHT 71 water resources 71 ENGINEERING 69 IRRIGATION SYSTEMS 67