Water PurificationPhysicochemical ProcessesWater SupplyDrinking WaterDisinfectionFiltrationWater MicrobiologyWaterDisease ReservoirsFresh WaterMolecular WeightBody WaterChromatography, AffinityElectrophoresis, Polyacrylamide GelChromatography, Ion ExchangeWater PollutionChromatography, GelMolecular Sequence Data