Water Resources Agency (WRA) in charge of river dredges in Taiwan. It's an important work in river environment resources management. For this reason, WRA develops "Streamlined Dredging Management System". By using this management system, the management personnel of river dredging can control and manage the dredge work immediately. There are three main parts in "Streamlined Dredging Management System". It's includes dredging area integrated management platform, River Management Office dredging management platform and WRA dredging management platform. "Streamlined Dredging Management System" could get the real time and latest dredging data through Internet and various digital technologies. Therefore, Streamlined Dredging Management System could achieve the purpose of information circulation and improve the efficiency of river dredging.