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Piloting an Internet-of-Things (IoT) System for Water Resources Monitoring - Experiences from two case studies in Vietnam
Technical Report Hanoi, May 2025

Case studies on innovative Internet-of-things (IoT) sensor applications were carried out by the CRMGG project with the aim to demonstrate potentials, limitations and challenges for their upscaling and dissemination in water resources monitoring. In the first case study, an experimental pilot on managed aquifer recharge as a solution for climate-resilient groundwater management in the Mekong Delta was equipped to monitor several key parameters and sub-sites. The second case study focused on an integrated IoT solution for three stations of the groundwater monitoring network operated by NAWAPI in different parts of Vietnam.

The case studies formed part of CRMGG’s support to NAWAPI’s efforts in the overall digital transformation of its operations and data management. They showed that IoT sensor applications can be a cost-effective alternative to traditional monitoring solutions, but require significant technical and IT skills in the field and for data management. Further experiences are needed to determine long-term reliability, develop adequate operation and maintenance protocols and progressively improve the overall technical setup.

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