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Access to clean drinking water is critical for human well-being and socio-economic development. In Indonesia, the water supply system, known as Sistem Penyediaan Air Minum (SPAM), is crucial for providing access to clean drinking water, an essential resource for the country's growing population and economic development. The objective of this study is to apply Value Engineering, using a six-stage process, to optimize the network distribution system within the Regional SPAM of Agam Regency - Bukittinggi City, West Sumatra Province, thereby enhancing water accessibility and infrastructure efficiency. The stages include information gathering, function analysis, creativity, evaluation, recommendation, and implementation. By utilizing the multi-Criteria Analysis method during the evaluation stage, this research systematically assesses available alternatives, ultimately identifying the most effective and economically viable solution, the use of HDPE pipes in the distribution system. The findings have significant implications for improving drinking water accessibility and advancing sustainable infrastructure development in Indonesia.