Related by context. Frequent words. (Click for all words.) 62 arsenic contamination 61 Soil erosion 57 salination 54 heavily polluted 53 Kala azar 53 soil salinity 53 Rapid urbanization 53 industrial effluents 52 groundwater 52 Severe drought 52 Melting glaciers 51 Potable water 51 contaminate groundwater 51 arsenic 51 Rainwater harvesting 51 scanty rainfall 51 groundwater aquifers 50 recharge groundwater 50 Chlorpyrifos 50 Algae blooms 50 wastewater effluent 50 Methyl bromide 50 severe droughts 50 borne illnesses 49 Tehri dam 49 triclocarban 49 Antibiotic resistance 49 Devastating floods 49 Toxic chemicals 49 arsenic concentrations 49 polluted 49 polluting groundwater 49 rampant deforestation 49 Iron deficiency 48 Orissa Chhattisgarh 48 erratic monsoon 48 Diesel exhaust 48 polluted rivers 48 inorganic arsenic 48 wild poliovirus 48 groundwater withdrawals 48 cholera outbreaks 48 waterborne illnesses 48 irrigated agriculture 48 groundwater extraction 48 Droughts 48 falciparum malaria 48 E coli bacteria 48 deltaic 48 bioaccumulation 48 groundwater recharge 47 cardio vascular diseases 47 diarrheal 47 Diarrhoea 47 Hydrogen sulfide 47 aquifers 47 wetland ecosystems 47 arsenic poisoning 47 water borne diseases 47 faecal contamination 47 water 47 ecological degradation 47 Peanut allergies 47 Bacterial infections 47 sewage effluent 47 deficient monsoon 47 Arsenic 47 vector borne 47 goitre 47 Nitrates 47 Peanut allergy 47 toxic algae blooms 47 Contaminated 47 DBPs 47 Stormwater runoff 47 soil erosion 47 deplete oxygen 47 fluorosis 47 waterborne disease 46 flouride 46 Polluted 46 Cholera outbreak 46 nutritional deficiency 46 lymphatic filariasis 46 THMs 46 hydrological cycle 46 potable 46 Reverse osmosis 46 insect borne diseases 46 contaminating groundwater 46 naturally occurring radioactive 46 contaminated 46 shallow aquifer 46 micronutrient deficiencies 46 river deltas 46 hydrologic cycle 46 Raw sewage 46 Turbidity 46 incessant rainfall 46 dieldrin 46 iodine deficiency