Related by context. Frequent words. (Click for all words.) 61 water 56 tapwater 56 glassful 54 drinking 53 chlorine tablets 53 wiper fluid 53 aluminum sulphate 52 drink 52 overflowing drains 52 Odd numbered addresses 52 Septic tanks 52 unpasteurised milk 52 Fruit juices 51 E coli bacteria 51 faecal contamination 51 purification tablets 51 faecal matter 51 wiping cloths 51 potable 50 toilet flushes 50 potable water 50 discolour 50 flouride 50 handpump 50 methylated spirits 50 Reverse osmosis 50 raw sewage flowing 50 unsweetened tea 50 undrinkable 50 bilharzia 49 bottled water 49 chlorinated 49 sewage effluent 49 fecal material 49 drinkable water 49 sewage 49 Chlorination 49 e coli bacteria 49 fecal coliforms 49 chlorinator 49 stagnant pools 49 bleaching powder 49 Potable water 49 Carefully pour 49 Disinfect 48 uncooked foods 48 waragi 48 irrigating crops 48 cholera dysentery 48 residual chlorine 48 coliforms 48 typhoid cholera 48 unhygienic 48 drinkable 48 Stay hydrated 48 contaminated 47 corrosive acid 47 water purifying tablets 47 copper sulphate 47 human excreta 47 THMs 47 dripping faucet 47 oral rehydration solution 47 Baking soda 47 toxic residues 47 quench thirst 47 wate 47 industrial effluents 47 excreta 47 liquidised 47 Soil erosion 47 total coliform 47 potable drinking 47 Add broth 47 windshield washer 47 discolored 47 chlorinate 47 standpipes 47 salination 47 handpumps 47 sewerage pipes 47 effluence 47 Thoroughly cooking 47 haloacetic acids 47 vlei 47 urine feces 47 Raw sewage 47 wastewater effluent 46 handwash 46 ice brushing teeth 46 oxidise 46 kerosene stoves 46 spillages 46 toilets sinks 46 Caustic soda 46 faeces 46 sidewalks driveways 46 flushing toilets 46 sugarcane juice 46 household bleach 46 hypochlorite