The relationship between flow and bacteria in streams

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Abstract

A method is proposed to relate the statistics of in-stream bacteria concentrations to the surface-runoff fraction of stream flow. The parameters of this relationship include the characteristic concentration of bacteria in surface runoff and the characteristic concentration of bacteria in the base flow, and these parameters can be derived from synoptic bacteria and flow measurements. The effectiveness of the proposed method is demonstrated at several U.S. locations for both Escherichia coli and fecal coliform bacteria. Application of the proposed method at a particular location showed that the method can be used to identify the most effective bacteria source controls and that conventional application of the load-duration curve might lead to erroneous identification of target sources.

Original languageEnglish (US)
Pages (from-to)227-236
Number of pages10
JournalWater Environment Research
Volume84
Issue number3
DOIs
StatePublished - Mar 2012

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Keywords

  • Bacteria
  • Fate and transport
  • Hydrographs
  • Pathogens
  • Streams
  • Total maximum daily load

ASJC Scopus subject areas

  • Environmental Chemistry
  • Water Science and Technology

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