Abstract:With the rapid development of information technology, smart water technology has become increasingly important in modern water grid construction. Taking the modern water grid construction in Junan County as the research object, this paper analyzes the current situation of water grid construction in the county, and elaborates on the specific application of smart water technologies in the local water grid, including data collection, intelligent dispatch and other aspects. In view of the challenges such as technical difficulties and fund shortages encountered in the application process, targeted countermeasures and suggestions are put forward.