Small Drinking Water Utilities’ Resilience: The Case of the COVID-19 Pandemic

Small Drinking Water Utilities’ Resilience: The Case of the COVID-19 Pandemic
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小型饮用水公用事业公司的复原力:以 COVID-19 疫情为例

DOI:
10.1021/acsestwater.2c00641
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发表时间:
2023
期刊:
ACS ES&T Water
影响因子:
--
通讯作者:
Kaminsky, Jessica A.
Kaminsky, Jessica A.
中科院分区:
--
文献类型:
--
作者:
Thelemaque, Nathalie;Spearing, Lauryn A.;Faust, Kasey M.;Kaminsky, Jessica A.

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极端事件可能会严重破坏饮用水公用事业(DWU)的运营和维护(O&M),从而在关键时期影响社区用水。然而,我们认为,公用事业的规模可以影响DWU的弹性,因为大型DWU可能有更大的能力来处理极端和突然的变化特征的紧急情况。在这里,我们通过了解全球危机(即,2019冠状病毒病大流行)对小型家庭用水单位的影响,以及使用统计推断,这些影响在统计上与大型家庭用水单位的影响有何不同。我们使用了两个数据集,反映了来自14个州的28个大型和26个小型DWU的观点。我们发现,小型DWU经历了涉及供应链,财务和人员管理的问题,这些问题可能已经被放大了。此外,小型和大型DWU在人员管理、收入变化、拖欠账款增加和应急计划启动方面存在统计学显著差异。例如,由于规模经济和现状运营的较大变化,大型DWU比小型DWU经历了更多的收入损失。这项研究揭示了在紧急情况下,可以让政策制定者帮助小型DWU的弹性方面的关注领域(和机会)。
Extreme events can significantly disrupt the operation and maintenance (O&M) of drinking water utilities (DWUs), compromising community access to water in critical times. However, we posit that utility size can influence DWUs’ resilience, as large DWUs may have a greater capacity to handle extreme and sudden changes characteristic of emergencies. Here, we explore the resilience of small DWUs by understanding how a global crisis (i.e., the COVID-19 pandemic) affected small DWUs and how these impacts statistically differ from those of large DWUs using statistical inferencing. We used two data sets that reflect the perspectives of 28 large and 26 small DWUs from 14 states. We found that small DWUs experienced issues involving supply chain, finances, and personnel management that pre-existing issues may have magnified. Additionally, small and large DWUs experienced statistically significant differences in personnel management, revenue change, increase in delinquent accounts, and emergency response plan activation. For example, large DWUs experienced more revenue loss than small DWUs due to economies of scale and larger changes from status quo operations. This study reveals areas of concern (and opportunities) regarding the resiliency of small DWUs in the face of emergencies that can allow policymakers to assist small DWUs.
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