Methodological approaches for studying the microbial ecology of drinking water distribution systems

Article English OPEN
Douterelo, Isabel ; Boxall, Joby B. ; Deines, Peter ; Sekar, Raju ; Fish, Katherine E. ; Biggs, Catherine A. (2014)
  • Publisher: Elsevier BV
  • Journal: Water Research, volume 65, pages 134-156 (issn: 0043-1354)
  • Related identifiers: doi: 10.1016/j.watres.2014.07.008
  • Subject: Waste Management and Disposal | Ecological Modelling | Pollution | Water Science and Technology

The study of the microbial ecology of drinking water distribution systems (DWDS) has traditionally been based on culturing organisms from bulk water samples. The development and application of molecular methods has supplied new tools for examining the microbial diversity and activity of environmental samples, yielding new insights into the microbial community and its diversity within these engineered ecosystems. In this review, the currently available methods and emerging approaches for characterising microbial communities, including both planktonic and biofilm ways of life, are critically evaluated. The study of biofilms is considered particularly important as it plays a critical role in the processes and interactions occurring at the pipe wall and bulk water interface. The advantages, limitations and usefulness of methods that can be used to detect and assess microbial abundance, community composition and function are discussed in a DWDS context. This review will assist hydraulic engineers and microbial ecologists in choosing the most appropriate tools to assess drinking water microbiology and related aspects.
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