Safe household water treatment and storage using ceramic drip filters: a randomised controlled trial in Bolivia.


Clasen, T; Brown, J; Suntura, O; Collin, S; (2004) Safe household water treatment and storage using ceramic drip filters: a randomised controlled trial in Bolivia. Water science and technology, 50 (1). pp. 111-5. ISSN 0273-1223

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Abstract

A randomised controlled field trial was conducted to evaluate the effectiveness of ceramic drip filters to improve the microbiological quality of drinking water in a low-income community in rural Bolivia. In four rounds of water sampling over five months, 100% of the samples were free of thermotolerant (faecal) coliforms (TTC) compared to an arithmetic mean TTC count of 1517, 406, 167 and 245 among control households which continued to use their customary sources of drinking water. The filter systems produced water that consistently met WHO drinking-water standards despite levels of turbidity that presented a challenge to other low-cost POU treatment methods. The filter systems also demonstrated an ability to maintain the high quality of the treated water against subsequent re-contamination in the home.

Item Type: Article
Faculty and Department: Faculty of Epidemiology and Population Health > Dept of Infectious Disease Epidemiology
Faculty of Infectious and Tropical Diseases > Dept of Disease Control
PubMed ID: 15318495
Web of Science ID: 223258800019
URI: http://researchonline.lshtm.ac.uk/id/eprint/14483

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