Water MicrobiologyEnterobacteriaceaeWater PollutionWater SupplyMicropore FiltersSewageWater PollutantsFiltrationFresh WaterBacteriological TechniquesRiversFecesColony Count, MicrobialEnvironmental MonitoringEnterobacterEscherichia coliChlorineKlebsiellaSanitary EngineeringEscherichiaMastitis, BovineFood MicrobiologyWater PurificationShellfishCitrobacterWaste Disposal, FluidMontanaFood InspectionHafnia alveiLactoseBacteriaCulture MediaPaperDrinking WaterFood PreservationRainIce CreamEvaluation Studies as TopicWater QualityAbattoirsOxytetracyclineTemperatureFood HandlingSterilizationMississippiR FactorsShigellaRecreationFood ContaminationSeawaterSalmonellaDisinfectionOstreidaeHymecromoneEnterobacteriaceae InfectionsKlebsiella pneumoniaeCecumConsumer Product SafetyCephradineSeasonsSoil MicrobiologyMineral WatersDrug Resistance, MicrobialStreptococcusAgarPeptonesAeromonasEscherichia coli InfectionsManureTrimethoprimFalse Positive ReactionsCattleProteusAnti-Bacterial AgentsGiardiaMilkMembranes, ArtificialTrimethoprim ResistanceEnterovirusBacterial LoadHygieneCell CountEnvironmental MicrobiologyUrinary Tract InfectionsWaterPeritoneal DiseasesAir MicrobiologyIntestinesClostridium perfringensWisconsinAerobiosisHydrogen-Ion ConcentrationStaphylococcusAntibiosisDisinfectantsFermentationDiarrheaMesenteryEnterococcus faecalisMethods