Advancing Drinking Water Distribution Systems through Smart Water Applications: Insights, Benefits, and Lessons Learned

Abstract

The global water sector is increasingly challenged by population growth, urbanization, climate change, and water scarcity. Conventional management practices are proving inadequate to address leakage, inefficiency, and rising demand, underscoring the need for digital and data-driven solutions. This study investigates the role of Smart Water Applications, with particular focus on Smart Water Metering (SWM), in enhancing drinking water distribution systems. Using a multiple case study approach, SWM adoption in the United States, the United Kingdom, Australia, and South Korea is analyzed, highlighting both pilot projects and large-scale deployments. Findings show that national policies, regulatory frameworks, financial support, and institutional readiness shape adoption trajectories. Across contexts, SWM provides wide-ranging benefits, including reduced water losses, enhanced leakage detection, cost savings, and improved customer engagement. Crucially, the study identifies significant gains in asset and maintenance management, such as predictive maintenance, optimized infrastructure monitoring, reduced operational disruptions, and extended asset lifecycles. Despite persistent challenges—most notably high upfront costs and legacy system integration—SWM emerges as a transformative pathway for improving efficiency, resilience, and sustainability in water distribution. The insights presented offer valuable lessons for utilities, policymakers, and stakeholders aiming to advance digital water innovation worldwide.