Waste Disposal, FluidSewageHyphomicrobiumNitrosomonadaceaeWaste WaterIndustrial WasteWater PurificationBiological Oxygen Demand AnalysisDryopteridaceaeEconomic DevelopmentWater MicrobiologyWater Pollutants, ChemicalBiodegradation, EnvironmentalWaste ManagementRNA, Ribosomal, 16SDNA, RibosomalBioreactorsFlocculationWater PollutantsCarbanilidesBacteriaNitrosomonasNitrificationRiversPhylogenyBioelectric Energy SourcesSequence Analysis, DNADNA, BacterialDenitrificationDelftiaAmmoniaBiotaProteobacteriaEndospore-Forming BacteriaGenes, rRNAEnvironmental MonitoringWaste Disposal FacilitiesWater PollutionBetaproteobacteriaWetlandsMolecular Sequence DataPolyphosphatesFresh WaterTrityl CompoundsAnaerobiosisNitritesEnterovirusPolyhydroxyalkanoatesFiltrationSphaerotilusActinobacteriaWater QualityBiodiversityWater MovementsDenaturing Gradient Gel ElectrophoresisComamonadaceaeNitrogenMetagenomeAlcaligenes faecalisAbattoirsGiardiaRNA, BacterialCitiesSalicylanilidesCarisoprodolWaste ProductsWater SupplyTriclosanPhosphorusIn Situ Hybridization, FluorescenceAlphaproteobacteriaMetagenomicsElectricityBase CompositionArchaeaEnvironmental MicrobiologyCyprinidaeVirusesVitellogeninsAerobiosisPolymerase Chain ReactionBacterial Typing TechniquesAcinetobacterGeologic SedimentsCluster Analysis