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

T Clasen, J Brown, O Suntura, S Collin

Research output: Contribution to journalArticle (Academic Journal)peer-review

19 Citations (Scopus)

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.
Translated title of the contributionSafe household water treatment and storage using ceramic drip filters: a randomised controlled trial in Bolivia
Original languageEnglish
Pages (from-to)111 - 115
Number of pages5
JournalWater Science and Technology
Volume50
Publication statusPublished - Jan 2004

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