This chapter primarily focuses on the role of the Internet of Things (IoT) in the smart water (SW) conversion process. The several problems like leakage detection, efficient water distribution, remote water monitoring, etc., can be addressed by using IoT with the combination of information and communication technology (ICT). In this line of thought, we propose a smart water system (SWS) layer architecture to ensure the proper utilization of natural or man-made resources. The hygiene water is the birthright of every human being and to ensure it for a future generation the SWS is a proven model.