Natural clarification of potable water in a semi-arid catchment

T. Kuypers*, M. P. Taylor, A. Mackay

*Corresponding author for this work

    Research output: Chapter in Book/Report/Conference proceedingConference proceeding contributionpeer-review

    Abstract

    This paper examines the efficacy of the natural clarfication system developed for potable water treatment in the semi-arid Leichhardt River catchment of north-west Queensland, Australia. The system is examined through its various stages. Sediment and water analyses show progressive improvements to water quality parameters such as turbidity, colour and heavy metal concentrations to within Australian Drinking Water Quality Guidelines. Tracked improvements to microbial water quality indicators (faecal coliforms and enterococcus) before chlorination emphasise the critical role that natural processes and regulated intakes perform in the protection of the potable water supply. The success of the system over the past 24 years, combined with its low cost and minimal maintenance has seen the CWL system viewed as a reliable method for improving water quality that has the potential to be modelled in other water supply catchments.

    Original languageEnglish
    Title of host publicationAccess to sanitation and safe water
    Subtitle of host publicationglobal partnerships and local actions: proceedings of the 33rd WEDC International Conference, La Palm Royal Beach Hotel, Accra, Ghana, April 2008
    EditorsHazel Jones
    Place of PublicationLoughborough
    PublisherWater, Engineering and Development Centre, Loughborough University
    Pages362-368
    Number of pages7
    ISBN (Print)9781843801290
    Publication statusPublished - 2008
    Event2008 33rd WEDC International Conference - Access to Sanitation and Safe Water: Global Partnerships and Local Actions - Accra, Ghana
    Duration: 1 Apr 20081 Apr 2008

    Other

    Other2008 33rd WEDC International Conference - Access to Sanitation and Safe Water: Global Partnerships and Local Actions
    CountryGhana
    CityAccra
    Period1/04/081/04/08

    Keywords

    • clarification
    • ephemeral river
    • filtration
    • potable water

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