Decision support for evaluating performance and prioritizing rehabilitation of the water distribution network: a case study of Chelghoum-Laid, Mila City, Algeria

Abstract

This research article explores the use of the Analytic Hierarchy Process (AHP) as a decision support tool for evaluating and rehabilitating the water distribution network in Mila City, Algeria. The study identifies key challenges, such as water loss, infrastructure deterioration, and inadequate service delivery. By employing AHP, the researchers systematically prioritize various performance indicators, including water quality, pressure, and operational efficiency. Data is gathered from field assessments and stakeholder interviews to develop a hierarchical model that reflects the network's critical factors. The findings demonstrate that AHP facilitates informed decision-making by allowing stakeholders to weigh different rehabilitation options effectively. The results indicate that targeted investments can significantly improve the system’s performance. The AHP method has revealed that the performance of the "network condition" criterion is around 36%, and the performance of the "customer complaint handling" criterion is 0.49, indicating that the network is in poor condition. On the other hand, the performance of the "physical-chemical quality of the distributed water" is approximately 80%. Overall, the performance of the distribution network is average at about 50%, suggesting the need for renovation to improve its efficiency and functionality. The study emphasizes the importance of integrating AHP into water management practices, suggesting that it can enhance the sustainability and reliability of water services in Mila City. The conclusions provide actionable recommendations for local authorities and utility managers to guide future rehabilitation efforts, contributing to improved water resource management in Algeria.