SewageWater MicrobiologyWaste Disposal, FluidSanitary EngineeringWater PollutionWater PurificationEnterovirusRefuse DisposalFresh WaterPoliovirusEnvironmental MonitoringWater Pollutants, ChemicalBiodegradation, EnvironmentalRiversFertilizersFecesWater PollutantsBacteriaFiltrationWaste ManagementIndustrial WasteEnterobacteriaceae