Performance Assessment Method for Small- and Medium-Sized Urban Water Systems: Development and Implementation

IF 1.6 3区环境科学与生态学 Q3 WATER RESOURCES Urban Water Journal Pub Date : 2023-07-05 DOI:10.1080/1573062X.2023.2229298

S. R. Pokhrel, Gyan Chhipi-Shrestha, Haroon R. Mian, Kasun Hewage, R. Sadiq

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Abstract

ABSTRACT Performance assessment of Small and Medium-Sized Water Systems (SMWSs) is important for operational, tactical, and strategic decision-making. In this study, a performance assessment method has been developed and applied to five drinking water, three wastewater, and two stormwater utilities using 39, 30 and 27 Key Performance Indicators (KPIs) in a semi-arid region. The KPIs were aggregated to determine a performance index using a Technique for Order of Preference by Similarity to Ideal Solution method. K-nearest neighbors and penalty methods were used to estimate missing KPIs data. The results indicated that only two drinking water utilities and one wastewater utility had been rated as ‘high’ performance. None of the utilities in stormwater performance was rated as ‘high’. The developed method can assist decision-makers in evaluating SMWSs performance holistically, build operational management strategies, and identify necessary interventions in overcoming water systems challenges across each urban water system component.

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中小城市供水系统性能评价方法的开发与实施

中小型供水系统（SMWS）的性能评估对于作战、战术和战略决策非常重要。在本研究中，使用39、30和27个关键绩效指标（KPI），开发了一种绩效评估方法，并将其应用于半干旱地区的五个饮用水、三个废水和两个雨水公用设施。使用与理想解决方案相似的偏好顺序技术方法汇总KPI以确定绩效指数。使用K近邻和惩罚方法来估计遗漏的KPI数据。结果表明，只有两个饮用水公用设施和一个废水公用设施被评为“高”性能。在雨水性能方面，没有任何公用设施被评为“高”。所开发的方法可以帮助决策者全面评估SMWSs的绩效，制定运营管理战略，并确定克服每个城市供水系统组成部分的供水系统挑战的必要干预措施。

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来源期刊

Urban Water Journal WATER RESOURCES-

CiteScore

4.40

自引率

11.10%

发文量

101

审稿时长

3 months

期刊介绍： Urban Water Journal provides a forum for the research and professional communities dealing with water systems in the urban environment, directly contributing to the furtherance of sustainable development. Particular emphasis is placed on the analysis of interrelationships and interactions between the individual water systems, urban water bodies and the wider environment. The Journal encourages the adoption of an integrated approach, and system''s thinking to solve the numerous problems associated with sustainable urban water management. Urban Water Journal focuses on the water-related infrastructure in the city: namely potable water supply, treatment and distribution; wastewater collection, treatment and management, and environmental return; storm drainage and urban flood management. Specific topics of interest include: network design, optimisation, management, operation and rehabilitation; novel treatment processes for water and wastewater, resource recovery, treatment plant design and optimisation as well as treatment plants as part of the integrated urban water system; demand management and water efficiency, water recycling and source control; stormwater management, urban flood risk quantification and management; monitoring, utilisation and management of urban water bodies including groundwater; water-sensitive planning and design (including analysis of interactions of the urban water cycle with city planning and green infrastructure); resilience of the urban water system, long term scenarios to manage uncertainty, system stress testing; data needs, smart metering and sensors, advanced data analytics for knowledge discovery, quantification and management of uncertainty, smart technologies for urban water systems; decision-support and informatic tools;...