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三维水库建模和对饮用水库的休场所的微生物风险评估

K Cinque¹, D Deere², C Veal³

¹Melbourne Water, Melbourne, VIC, Australia.

Environmental management

|June 16, 2025

概括

饮用水库的娱乐通道对水质构成风险. 一项研究发现,增加娱乐活动可能会超过健康指南,需要额外的治疗,并加强对源保护的需求.

科学领域:

环境科学环境科学
公共卫生公共卫生
风险评估风险评估

背景情况:

澳大利亚的饮用水库已被保护免受公众访问长达140年.
这些受保护的水域提供了包括水质,减少洪水,稳定的产量,较低的处理成本和危物种息地的好处.
尽管有好处,但人们越来越多地要求休场所的准入,特别是随着人口的增长.

研究的目的:

预测受保护的饮用水供应水库上的潜在娱乐活动造成的胃肠道疾病负担.
根据澳大利亚水利公司的决定,就社区对水源的娱乐性获取要求作出决定.

主要方法:

用查级量的微生物风险评估 (QMRA) 来预测健康影响.
该研究评估了各种可预见的娱乐场景下的饮用水质量的微生物风险.
化学或物理危害和生态系统保护的风险没有被纳入本次评估.

主要成果:

六个可预见的娱乐场景预测微生物风险超过了澳大利亚饮用水指南 (ADWG) 基于健康的目标基准.
需要进行额外的水处理,以将这些风险降低到可接受的水平.
即使有了强化治疗,增加的娱乐活动也与ADWG原则和具有里程碑意义的法院判决不一致.

结论:

该研究的结果不支持允许休人员进入饮用水库.
源水保护对于保持饮用水质量和公共卫生至关重要.
饮用水流域的娱乐活动存在重大微生物风险,这些风险超过了潜在的益处.

关键词:

这就是Cryptosporidium.这是QMRA的QMRA.收获区的收获区是一个.饮用水饮用水饮用水诺罗病毒诺罗病毒娱乐活动娱乐活动这里是储水池的储水池.

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