Related by context. Frequent words. (Click for all words.) 71 sewage discharges 67 effluent discharge 63 effluent 60 Effluent 57 wastewater discharge 56 pollution 55 dischargers 53 discharges 52 Nitrates 52 effluents 52 wastewater discharges 51 nutrient runoff 51 treated effluent 51 exceedances 51 pollutant 51 nutrient pollution 51 polluting 50 nutrient loading 50 sewage spills 50 sediment runoff 50 outfall 49 pollutants 49 untreated sewage 49 polluted runoff 49 dissolved solids 49 outfalls 48 sewage lagoons 48 estuary 48 suspended solids 48 sewer overflows 48 polluted groundwater 48 watercourse 48 wastewater 48 Clean Water Act 48 polluted 48 waterways 48 contaminating groundwater 47 lagoons 47 nonpoint source pollution 47 groundwater pumping 47 pollutants emitted 47 evaporation ponds 47 siltation 47 total dissolved solids 47 air pollution 47 industrial effluents 47 sewage treatment 47 tailing ponds 47 furans 46 piggeries 46 sedimentation 46 cement kiln 46 untreated wastewater 46 sewage overflows 46 pollutions 46 harmful contaminants 46 pollutant emissions 46 livestock manure 46 SO2 emissions 46 catchment 46 algal bloom 46 groundwater 45 polluted waterways 45 Polluting 45 waste disposal 45 fly ash 45 aquatic ecosystem 45 mg l 45 Sewage Treatment Plant 45 sewage 45 dairies 45 airshed 45 wastewater treatment 45 irrigated crops 45 turbidity 45 environmental 45 suspected carcinogen 44 toxic algae blooms 44 Slurry 44 wetland 44 environ mental 44 POLLUTION 44 contamination 44 disinfection byproducts 44 tributary streams 44 stormwater drains 44 landfilling 44 headworks 44 Raw sewage 44 toxic pollutants 44 Illegal dumping 44 Lake Tenkiller 44 raw sewage 44 silt 44 aquatic weed 44 creeks rivers 44 groundwater contamination 44 waste minimization 44 Environment Protection Agency 44 toxic waste 44 Polluted