Using Performance Indicators for Non-Revenue Water Reduction: A Case Study in a Small Island State (Mauritius)

Varsah Gungoa

Abstract


The paper presents a conceptual framework for using Performance Indicators (PIs) in a Small Island State (Mauritius) for evaluating water network efficiency. This study uses the IWA/AWWA PI-Concept and benchmarking from which the PIs are derived. Findings from this study show that even Small Island States can adopt PIs as tools for improving water network efficiency and ultimately reducing Non-Revenue Water (NRW), provided that they are developed to suit the specificities of the water utilities of the island. The research study shows that the NRW is 58.9% using the IWA (International Water Association) water balance table whereas the Infrastructure Leakage Index is 21.9 in the small island state of Mauritius. Both methods reveal that non-revenue water is a matter of concern for the network efficiency in the island.


Keywords


Performance Indicators; Small Island State; Non-Revenue Water.

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References


R. Liemberger, "Recommendations for Initial Non-Revenue Water Assessment," IWA Water Loss 2010 , 2010.

H. E. Mutikanga, "Water loss Management," CRC Press/Balkema, Netherlands, 2012.

Lambert, "International report: water losses management," IWAp, London, 2002.

Alegre, "Performance Indicators for Water Supply Services," IWAp, London, 2006.

B. J. M. P. R. Alegre H, "Performance indicators for water supply services," IWA Publishing, London, 2000.

R. M. C. S. S. Hamilton, "A Review of Performance Indicators for Real Losses from Water Supply," UK house of commons report, 206.

A. W. W. Association, "IWA/AWWA Water Audit Method," AWWA, 2012.

R. Liemberger, "Do You Know How Misleading the Use of Wrong Performance?," in IWA Managing Leakage Conference, Cyprus, 2002.


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