Monitoring requirements for groundwaters under the influence of reclaimed water

Research output: Contribution to journalArticle

4 Scopus citations

Abstract

Monitoring groundwaters under the influence of reclaimed water must consider the major constituents of concern in reclaimed water. This research focused on the fate of dissolved organic carbon and nitrogen species at field sites located throughout the Southwestern United States. A watershed approach was developed to predict the fate of dissolved organic carbon as a function of the drinking water dissolved organic carbon concentration and the total dissolved solids concentration in the reclaimed water. Extensive characterization of the dissolved organic carbon recovered from groundwaters under the influence of reclaimed water was done. With the exception of fluorescence spectroscopy, the dissolved organic carbon present in effluent organic matter was similar in structure, character and reactivity as compared to natural organic matter. Evidence for sustainable nitrogen removal mechanisms during groundwater recharge with reclaimed water was obtained. The autotrophic reaction between ammonia and nitrate appears to a mechanism for the removal nitrogen in a carbon-depleted environment. The monitoring tools and methodologies developed in this research can be used to assure protection of public health and determine the sustainability of indirect potable reuse projects.

Original languageEnglish (US)
Pages (from-to)117-133
Number of pages17
JournalEnvironmental Monitoring and Assessment
Volume70
Issue number1-2
DOIs
StatePublished - Aug 8 2001

Keywords

  • Autotrophic reaction
  • Fluorescence spectroscopy
  • Organic carbon
  • Sustainable nitrogen removal mechanisms

ASJC Scopus subject areas

  • Environmental Science(all)
  • Pollution
  • Management, Monitoring, Policy and Law

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