In this episode, Ranjiv Khush from Aquaya Institute and Sunderrajan Krishnan from INREM foundation talk to Nirat Bhatnagar and Veena Srinivasan about  their journey with water data and its connections with water quality and public health. They discuss why water quality is important to them, the different facets of measuring water quality, different approaches to data-driven solutions towards better public health and the bottlenecks to scaling them.