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  1. Changing consumer water-use patterns and their effect on microbiological water quality as a result of an engineering intervention.

    Article - En anglais

    A previous study done during 1994-1995 in a section of a large, low socio-economic urban development with limited sanitary facilities and drinking-water provision indicated that the community was exposed to water-related health risks when consuming the water supplied.

    The study indicated that, although the public supplied water was of a good quality, the stored water, once fetched from the standpipes, deteriorated to a quality often not safe for human consumption.

    Based on the findings of this previous study, the local authority decided to install standpipes for each individual family in the area concerned and these were placed in the house yards.

    The closer proximity of the standpipes immediately altered the water-fetching and storing patterns of the community.

    The consequent study, on which this abstract is based, assessed the potential risk of infection posed to health by the altered water-use pattern.

    Weekly water samples were collected from standpipes outside as well as from containers kept inside houses of selected families.

    Total coliforms, faecal coliforms, heterotrophic plate counts, Clostridium perfringens and somatic coliphages were used as microbiological indicators. (...)

    Mots-clés Pascal : Approvisionnement eau, Canalisation eau, Réservoir eau, Consommation eau, Qualité eau, Pollution eau, Contamination biologique, Coliphage, Bactériophage, Virus, Coliforme, Clostridium perfringens, Clostridiaceae, Clostridiales, Bactérie, Programme sanitaire, République Sud Africaine, Afrique

    Mots-clés Pascal anglais : Water supply, Water pipe, Water tank, Water consumption, Water quality, Water pollution, Biological contamination, Coliphage, Phage, Virus, Coliforms, Clostridium perfringens, Clostridiaceae, Clostridiales, Bacteria, Sanitary program, South Africa(Republic), Africa

    Logo du centre Notice produite par :
    Inist-CNRS - Institut de l'Information Scientifique et Technique

    Cote : 99-0453289

    Code Inist : 002B30A02A. Création : 22/03/2000.