Related by context. Frequent words. (Click for all words.) 70 industrial effluents 68 effluents 58 toxic wastes 57 effluent 57 wastewater effluent 57 pollutants 57 effluence 56 Mahanadi river 56 bleaching powder 56 heavily polluted 55 sewage effluent 54 GPCB 53 PPCB 53 effluent discharge 53 Narmada river 53 toxic pollutants 53 polluted 53 Vaigai 52 desilt 52 TNPCB 52 Hirakud 52 toxic waste 52 toxic chemicals 52 wastewaters 51 Sonia Vihar 51 untreated sewage 51 sand quarrying 51 pollutions 51 Subarnarekha 51 Mithi river 51 pollution 51 desilted 51 pollutant 51 waterbody 50 Raw sewage 50 nullahs 50 sewage 50 Buriganga 50 salination 50 polluting 50 river Yamuna 50 ammonia nitrogen 50 Sutlej river 50 Ghaggar 50 Tehri dam 49 poisonous chemicals 49 waterbodies 49 Turag 49 Hydrogen sulfide 49 mld 49 Toxic chemicals 49 MPCB 49 KSPCB 49 Gujarat Pollution Control 49 Yamuna river 49 silts 49 rivers lakes 49 Brahmani 49 Godavari river 49 stormwater drains 49 potent greenhouse gas 49 harmful contaminants 49 toxic substances 48 human excreta 48 iron manganese 48 flyash 48 pollute 48 Effluent 48 corrosive acid 48 excreta 48 Stormwater runoff 48 outfalls 48 river Ganga 48 CPCB 48 treated effluent 48 raw sewage 48 Pollution Control Board 48 Kuan Yin Taiwan 48 pollutants emitted 48 carcinogenic chemicals 48 de silting 48 Gomti 48 Soil erosion 48 tailing ponds 48 furans 47 toxic pollutant 47 untreated wastewater 47 Diesel exhaust 47 toxins 47 nallah 47 contaminants 47 chemically contaminated 47 Gandak 47 non degradable 47 chlorine tablets 47 discharges 47 deadly methyl isocyanate 47 Angul district 47 chemicals 47 deplete oxygen 47 RSPM