SewageWaste Disposal, FluidAir PollutionWater PollutionAir PollutantsEnvironmental PollutionParticulate MatterWater MicrobiologyNitrogen DioxideEnvironmental MonitoringSulfur DioxideAir Pollution, IndoorVehicle EmissionsEnvironmental ExposureIndustrial WasteOzoneWater PurificationBiodegradation, EnvironmentalRefuse DisposalWater Pollution, ChemicalBioreactorsEpidemiological MonitoringBacteriaSanitary EngineeringWater Pollutants, ChemicalRespiratory Tract DiseasesWaste ManagementWater PollutantsCitiesFlocculationSoil PollutantsWaste WaterRNA, Ribosomal, 16SParticle SizeFertilizersFresh WaterAnaerobiosisSeasonsEnterovirusPhylogenyRiversMetals, HeavyUrban HealthDNA, BacterialDNA, RibosomalInhalation ExposureSequence Analysis, DNAMolecular Sequence Data