Attenuation of contaminants of emerging concern during surface-spreading aquifer recharge

Bonnie V. Laws, Eric R.V. Dickenson, Theodore A. Johnson, Shane A. Snyder, Jörg E. Drewes

Research output: Contribution to journalArticle

77 Scopus citations

Abstract

The attenuation of a diverse suite of contaminants of emerging concern (CECs) and bulk water quality changes was evaluated at a surface-spreading aquifer recharge operation across a detailed subsurface profile (9 locations), representing both short- and long-travel times (10. h to 60. days). Seventeen CECs were detected in the recharge basin and the concentrations of all were reduced during soil aquifer treatment (SAT), with 11 of the target compounds attenuated by > 80% after 60. days of travel time. Select CECs (atenolol, gemfibrozil, N,. N-diethly-3-methylbenzamide, meprobamate, tris(2-chloroethyl)phosphate, and primidone) and bulk water organic-carbon measurements (total organic carbon, biodegradable organic carbon, size-exclusion chromatography and fluorescence excitation-emission matrices) were identified as monitoring parameters that can be used to assess SAT performance at surface-spreading operations.

Original languageEnglish (US)
Pages (from-to)1087-1094
Number of pages8
JournalScience of the Total Environment
Volume409
Issue number6
DOIs
StatePublished - Feb 15 2011
Externally publishedYes

Keywords

  • Contaminants of emerging concern
  • Indirect potable reuse
  • Managed aquifer recharge
  • Soil aquifer treatment
  • Surface spreading

ASJC Scopus subject areas

  • Environmental Engineering
  • Environmental Chemistry
  • Waste Management and Disposal
  • Pollution

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