Potential impact of chlorination of sandy bottom swimming areas on drinking water sources

Hisham Mansour, Mark Robson, Roy Meyer, Clifford Weisel

Research output: Contribution to journalArticlepeer-review


The concentrations of trihalomethanes and haloacetic acids, disinfection by-products (DBPs) of chlorine, were measured in sandy bottom swimming areas to determine their potential impact on surface and ground water that are sources of drinking water. Total trihalomethanes and individual haloacetic acid concentrations in several swimming area samples were higher than the drinking water standards (current and proposed). Individual trihalomethanes (except bromoform) also exceeded ground and surface water release standards. No release standard exists for haloacetic acids. The DBPs, while exceeding standards, would be diluted by the ground water and microbially degraded prior to reaching the drinking water plant. So while DBPs from swimming areas contributed to groundwater concentrations, the current drinking water standards could still be met using source waters impacted by chlorinated swimming areas. It is suggested, though, that any release of chlorinated DBPs to surface and ground water be minimized to obtain the highest quality water sources for drinking water.

Original languageEnglish (US)
Pages (from-to)653-665
Number of pages13
JournalInternational Journal of Environmental Studies
Issue number5
StatePublished - Jan 1 1999

All Science Journal Classification (ASJC) codes

  • Geography, Planning and Development
  • Ecology
  • Waste Management and Disposal
  • Pollution
  • Computers in Earth Sciences


  • Disinfection-by-products
  • Drinking water sources
  • Haloacetic acids
  • Swimming areas
  • Trihalomethanes

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