An assessment of microbiological water quality of six water source categories in north-east Uganda
An assessment of microbiological water quality of six water source categories in north-east Uganda
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DOI：
10.2166/wh.2010.128
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发表时间：
2010-01-01
影响因子：
2.3
通讯作者：
Webster, J.
中科院分区：
文献类型：
--
作者：
Parker, A. H.;Youlten, R.;Webster, J.
千年发展目标的具体目标7C是“到2015年将无法持续获得安全饮用水和基本卫生设施的人口比例减半”。然而，相应的指标衡量的是“使用经改善的饮用水源的人口比例”。这就提出了“安全”和“改进”是否可以互换使用的问题。本文通过比较乌干达Amuria地区346个不同水源的微生物水质和规定的标准来验证这一假设，包括世界卫生组织饮用水标准每100毫升零TTC和乌干达国家标准每100毫升50 TTC。水源分为六个不同的类别：钻孔、受保护的泉水、有盖的手挖威尔斯井、露天手挖威尔斯井、露天水和屋顶集水。本文得出的结论是，从最高到最低的微生物质量的排序是：钻孔，保护泉水和屋顶水收集，开放和覆盖的手挖威尔斯，开放的水。它还得出结论认为，卫生调查不能用来准确预测水质，但它们是监测安全供水的一个重要组成部分。
Target 7C of the Millennium Development Goals is to "halve, by 2015, the proportion of people without sustainable access to safe drinking water and basic sanitation". However, the corresponding indicator measures the "proportion of population using an improved drinking water source". This raises the question of whether "safe" and "improved" can be used interchangeably. This paper tests this hypothesis by comparing microbiological water quality in 346 different water sources across the District of Amuria in Uganda to each other and to defined standards, including the WHO drinking water standard of zero TTC per 100 ml, and the Ugandan national standard of 50 TTC per 100 ml. The water sources were grouped into six different categories: boreholes, protected springs, covered hand dug wells, open hand dug wells, open water and roofwater harvesting. The paper concludes that the ranking from the highest to the lowest microbiological quality water was: boreholes, protected springs and roofwater harvesting, open and covered hand dug wells, open water. It also concludes that sanitary surveys cannot be used to predict water quality precisely; however they are an essential component of the monitoring of safe water supplies.