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首页> 外文期刊>Environmental Science & Technology >How Much Will It Cost To Monitor Microbial Drinking Water Quality in Sub-Saharan Africa?
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How Much Will It Cost To Monitor Microbial Drinking Water Quality in Sub-Saharan Africa?

机译：监测撒哈拉以南非洲地区微生物饮用水水质的成本是多少？

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摘要

Microbial water quality monitoring is crucial for managing water resources and protecting public health. However, institutional testing activities in sub-Saharan Africa are currently limited. Because the economics of water quality testing are poorly understood, the extent to which cost may be a barrier to monitoring in different settings is unclear. This study used cost data from 18 African monitoring institutions (piped water suppliers and health surveillance agencies in six countries) and estimates of water supply type coverage from 15 countries to assess the annual financial requirements for microbial water testing at both national and regional levels, using World Health Organization recommendations for sampling frequency. We found that a microbial water quality test costs 21.0 ± 11.3 USD, on average, including consumables, equipment, labor, and logistics, which is higher than previously calculated. Our annual cost estimates for microbial monitoring of piped supplies and improved point sources ranged between 8 000 USD for Equatorial Guinea and 1.9 million USD for Ethiopia, depending primarily on the population served but also on the distribution of piped water system sizes. A comparison with current national water and sanitation budgets showed that the cost of implementing prescribed testing levels represents a relatively modest proportion of existing budgets (<2%). At the regional level, we estimated that monitoring the microbial quality of all improved water sources in sub-Saharan Africa would cost 16.0 million USD per year, which is minimal in comparison to the projected annual capital costs of achieving Sustainable Development Goal 6.1 of safe water for all (14.8 billion USD).
机译：微生物水质监测对于管理水资源和保护公众健康至关重要。但是，目前在撒哈拉以南非洲的机构测试活动有限。由于对水质测试的经济性了解甚少，因此尚不清楚成本在多大程度上阻碍了在不同环境中进行监控的程度。这项研究使用了来自18个非洲监测机构（六个国家的自来水供应商和健康监测机构）的成本数据，以及15个国家的供水类型覆盖率估算，以评估国家和地区两级进行微生物水测试的年度财务需求，方法如下：世界卫生组织关于采样频率的建议。我们发现，微生物水质测试的平均费用为21.0±11.3美元，其中包括耗材，设备，人工和物流的费用，高于先前的计算。我们对管道供水和改善的点源进行微生物监测的年度费用估算，赤道几内亚为8000美元，埃塞俄比亚为190万美元，这主要取决于服务人口，也取决于管道水系统规模的分布。与当前国家水和卫生预算的比较表明，执行规定的检测水平的成本在现有预算中所占比例相对较小（<2％）。在区域一级，我们估计监测撒哈拉以南非洲所有改善的水源的微生物质量每年将花费1,600万美元，与实现安全水的可持续发展目标6.1的预计年度资本成本相比，这是最低的（148亿美元）。

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  • 来源
    《Environmental Science & Technology》 |2017年第11期|5869-5878|共10页
  • 作者

    Caroline Delaire; Rachel Peletz; Emily Kumpel; Joyce Kisiangani; Robert Bain; Ranjiv Khush;

  • 作者单位

    The Aquaya Institute, PO Box 21862, Nairobi, Kenya;

    The Aquaya Institute, PO Box 21862, Nairobi, Kenya;

    The Aquaya Institute, PO Box 21862, Nairobi, Kenya;

    The Aquaya Institute, PO Box 21862, Nairobi, Kenya;

    Division of Data, Research and Policy, UNICEF, 3 UN Plaza, New York, New York 10017, United States;

    The Aquaya Institute, 12 E Sir Francis Drake Blvd, Suite E, Larkspur, California 94939 United States;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);美国《生物学医学文摘》(MEDLINE);美国《化学文摘》(CA);
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