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Combining Sanitary Inspection and Water Quality Data in Western Uganda: Lessons Learned from a Field Trial of Original and Revised Sanitary Inspection Forms

Author

Listed:
  • D. Daniel

    (Department of Water Management, Delft University of Technology, 2628 CN Delft, The Netherlands)

  • Josphine Gaicugi

    (Department of Water Supply, Sanitation, and Environmental Engineering, IHE Delft Institute for Water Education, 2611 AX Delft, The Netherlands)

  • Richard King

    (Centre for Environmental Health and Engineering (CEHE), Department of Civil and Environmental Engineering, University of Surrey, Guildford GU2 5XH, UK)

  • Sara J. Marks

    (Department Sanitation, Water, and Solid Waste for Development, Swiss Federal Institute for Aquatic Science and Technology—Eawag, 8600 Dübendorf, Switzerland)

  • Giuliana Ferrero

    (Department of Water Supply, Sanitation, and Environmental Engineering, IHE Delft Institute for Water Education, 2611 AX Delft, The Netherlands)

Abstract

Risk assessment for drinking water systems combines sanitary inspections (SI) and water quality testing and is critical for effectively managing the safety of these systems. SI forms consist of question sets relating to the presence of potential sources and pathways of contamination specific to different types of water points, piped distribution systems, and household collection and storage practices. As part of the revision to the Guidelines for Drinking-water Quality (GDWQ), the World Health Organization (WHO) is updating the suite of SI forms to reflect and include the most recent technical and scientific information available. This paper reports the results from a field pilot of a selection of published and revised SI forms and water quality testing in the municipality of Bushenyi-Ishaka, Uganda. We collected data from 45 springs, 61 taps from piped distribution systems, and 129 household storage containers filled with water from those springs and taps. The median total risk scores, according to the revised forms, for spring, tap, and household practices were 36, 53, and 33%, respectively, with higher percentages indicating greater risk. The median Escherichia coli concentrations of spring, tap, and household storage systems were 17, <1, and 7 CFU/100 mL, respectively. We found that increased questioning in the revised SI forms do not necessarily translate to a higher total risk. There is potential for misinterpretation of terminology in the revised SI forms and occasional redundancy of concepts. For the revised SI form for springs, we suggest specific text changes to reduce potential bias. We recommend that users of SI forms receive training in their use and be familiar with their locale. Furthermore, the revised SI forms may need to be adapted in accordance with the local context.

Suggested Citation

  • D. Daniel & Josphine Gaicugi & Richard King & Sara J. Marks & Giuliana Ferrero, 2020. "Combining Sanitary Inspection and Water Quality Data in Western Uganda: Lessons Learned from a Field Trial of Original and Revised Sanitary Inspection Forms," Resources, MDPI, vol. 9(12), pages 1-16, December.
  • Handle: RePEc:gam:jresou:v:9:y:2020:i:12:p:150-:d:464572
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    References listed on IDEAS

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    1. Robert Bain & Jamie Bartram & Mark Elliott & Robert Matthews & Lanakila McMahan & Rosalind Tung & Patty Chuang & Stephen Gundry, 2012. "A Summary Catalogue of Microbial Drinking Water Tests for Low and Medium Resource Settings," IJERPH, MDPI, vol. 9(5), pages 1-17, May.
    2. Aaron Gichaba Misati & George Ogendi & Rachel Peletz & Ranjiv Khush & Emily Kumpel, 2017. "Can Sanitary Surveys Replace Water Quality Testing? Evidence from Kisii, Kenya," IJERPH, MDPI, vol. 14(2), pages 1-12, February.
    3. Rachel Peletz & Emily Kumpel & Mateyo Bonham & Zarah Rahman & Ranjiv Khush, 2016. "To What Extent is Drinking Water Tested in Sub-Saharan Africa? A Comparative Analysis of Regulated Water Quality Monitoring," IJERPH, MDPI, vol. 13(3), pages 1-14, March.
    4. D. Daniel & Arnt Diener & Jack van de Vossenberg & Madan Bhatta & Sara J. Marks, 2020. "Assessing Drinking Water Quality at the Point of Collection and within Household Storage Containers in the Hilly Rural Areas of Mid and Far-Western Nepal," IJERPH, MDPI, vol. 17(7), pages 1-14, March.
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    Cited by:

    1. D. Daniel, 2021. "Contextual Determinants of General Household Hygiene Conditions in Rural Indonesia," IJERPH, MDPI, vol. 18(21), pages 1-15, October.

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