Related by context. Frequent words. (Click for all words.) 66 dumping raw sewage 61 sewage discharges 58 discharging pollutants 56 sewage overflows 54 untreated sewage 54 creeks rivers 52 effluent discharge 52 sewage spills 52 wastewater discharge 51 sanitary sewer overflows 51 raw sewage 51 wastewater discharges 51 heavily polluted 50 waterways 50 sewage 50 untreated wastewater 49 sewer overflows 48 indiscriminate dumping 48 sewage effluent 48 polluting 48 Raw sewage 48 wastewater effluent 47 stormwater discharge 47 Boy drowns 47 pollution 47 polluted 47 sewage treatment 47 navigable waterways 47 pollute 46 combined sewer overflows 46 polluted waterways 46 Clean Water Act 46 dumping 46 National Pollution Discharge 46 discharging 46 bd.className + = 46 outfalls 46 sand quarrying 46 stranding motorists 46 Elimination System NPDES 46 effluent 46 rivers 46 polluted runoff 45 dischargers 45 discharges 45 creeks streams 45 sewage overflow 45 rivers lakes 45 industrial effluents 45 toxic pollutants 45 wastewater treatment 45 wastewater 45 sediment runoff 45 tributary streams 44 effluents 44 Man drowns 44 contaminating 44 dangerously polluted 44 sewage lagoons 44 rivers creeks 44 Algae blooms 44 Bus plunges 44 Woman drowns 44 contaminating groundwater 44 lakeshores 44 river embankments 44 navigable rivers 44 lawn sprinkling 43 settling ponds 43 Polluting 43 Ice jams 43 storm sewers 43 Swollen rivers 43 Ghaggar 43 toxic algae blooms 43 Mahanadi river 43 pollutions 43 Sewage 43 pollutant discharge 43 intermittent streams 43 Boat capsizes 43 mountaintop removal mines 43 Ronald J. Tenpas 42 Drought stricken 42 Boaties 42 lakes rivers 42 nutrient loading 42 pollutants 42 retention basins 42 Polluted 42 sewage backups 42 POLLUTION 42 sulfur dioxide nitrogen oxide 42 stormwater drains 42 sewage disposal 42 Turag 42 waterbodies 42 navigable waters 42 Conemaugh River 42 sanitary sewage 42 Impoundment