Related by context. Frequent words. (Click for all words.) 74 potable water 60 water 54 sanitation 53 drinkable 50 sewage 50 electricity 49 flush toilets 48 basic necessities 48 sanitary 47 latrines 46 indoor plumbing 46 waterborne diseases 45 sewerage 45 water purification 44 toilets 44 raw sewage 44 chlorinated 43 drinking 43 wastewater 42 arable land 42 water borne diseases 41 bottled water 41 polluted 41 seawater 41 freshwater 41 chlorine 41 latrine 41 aquifers 41 oxygen 41 food rations 41 irrigate 40 sewage treatment 40 paved roads 40 purifying 40 rainwater 40 sewers 40 liters 40 untreated sewage 40 rivers lakes 40 boreholes 39 supplies 39 purified 39 Drinking Water 39 reverse osmosis 39 wastewater treatment 39 desalination 38 cholera 38 nourishment 38 irrigation 38 desalination plants 38 groundwater 37 faucets 37 effluent 37 dysentery 37 disinfection 37 refrigeration 37 gallons 37 supply 37 bathe 37 filtration 37 purify 37 habitable 37 thirsty 37 informal settlements 36 piped 36 aqueduct 36 reservoirs 36 aquifer 36 necessities 36 hygienic 36 desalination plant 36 air conditioning 36 generators 36 rivers 36 disinfected 36 hydrants 36 waterways 36 makeshift camps 36 malnourished 36 typhoid 36 septic tanks 36 Sewage 35 mains 35 urban dwellers 35 outlying areas 35 Water Treatment Plant 35 water mains 35 humanitarian aid 35 contaminated 35 Safe Drinking Water 35 pumps 35 canals 35 unsanitary conditions 35 temporary shelters 35 modern conveniences 35 unhygienic 34 subsistence farmers 34 rations 34 disinfect 34 iodine 34 turbidity