Related by context. Frequent words. (Click for all words.) 68 effluents 65 industrial effluents 58 effluent 58 PPCB 57 wastewater effluent 56 desilted 56 Effluent 55 Encroachments 55 effluent discharge 55 sewage effluent 54 Sonia Vihar 54 fly ash 54 effluence 53 Gujarat Pollution Control 52 KSPCB 52 Hirakud 52 TNPCB 52 toxic wastes 52 reverse osmosis RO 52 bleaching powder 51 Pollution Control Board 51 sand quarrying 51 Mahanadi river 51 MPCB 51 Tehri dam 50 GPCB 50 de silting 50 groundwater 50 total dissolved solids 50 nallah 50 heavily polluted 50 Jal Sansthan 50 wastewaters 50 suspected carcinogen 50 iron manganese 50 Caustic Soda 50 Vapi 50 polluted 49 human excreta 49 wastewater 49 tanneries 49 Soil erosion 49 Hydrogen sulfide 49 Singrauli 49 harmful contaminants 49 Toxic chemicals 49 sludges 49 effluent disposal 49 sewage 49 Godavari river 49 Kuan Yin Taiwan 49 chlorine 49 groundwater extraction 49 GSPCB 48 flouride 48 salination 48 Ranipet 48 silts 48 potassium permanganate 48 settling ponds 48 borewells 48 Potable water 48 waterbodies 48 Gandak 48 arsenic contamination 48 leather tanning 48 contaminate groundwater 48 water 48 wastewater sludge 48 Caustic soda 47 untreated sewage 47 potable 47 turbidity 47 ammonia nitrogen 47 chemically contaminated 47 indiscriminate dumping 47 Municipal Solid Waste 47 pollutions 47 waterbody 47 Jal Nigam 47 Barapukuria 47 adulterated milk 47 siltation 47 Radioactive waste 47 flyash 47 leachate 47 Residues 47 Reverse Osmosis 47 drawal 47 Nitrates 47 mld 46 poisonous chemicals 46 jhuggis 46 Polluted 46 agro chemicals 46 potable water 46 copper sulphate 46 Ghaggar 46 sewerage 46 silt 46 dewatering