Building a performance indicator to investigate the robustness of water supply utilities in Japan Online publication date: Wed, 19-Jan-2022
by Yuji Kawase; Yusuke Maeno; M.L.U.K. Piyasena; Tatsuo Oyama
Asian J. of Management Science and Applications (AJMSA), Vol. 6, No. 2, 2021
Abstract: In this study, we build a work performance indicator (WPI) for quantitatively measuring the performances of water supply utilities in Japan. The WPI is defined from three different perspectives: management, facility/equipment, and operations. It can be used to measure the robustness of a water supply network system. Based on actual data expressing the work performances of Japanese water supply utilities from 1980 to 2018, we illustrate the numerical results of the WPIs, so as to determine their regional characteristics. We apply statistical data analysis techniques (such as a cluster analysis and principal component analysis) to calculate the WPIs, and investigate the historical and regional characteristics and trends of water supply utilities in Japan during the investigated period. These approaches can be applied to design and improve natural disaster mitigation policies, such as those focusing on earthquakes in Japan.
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