Online water level monitoring and early warning system, real-time monitoring of river water level data, according to the preset alarm rules, real-time alarm monitoring of abnormal situations such as river water level exceeding the threshold. River water level monitoring system is an important means to scientifically warn flood disasters, improve flood control command ability and reduce the loss of rain and flood disasters by arranging monitoring equipment such as river water level monitoring stations at river monitoring points and transmitting them to monitoring data platform through 4G or NB-IOT communication.

Star IOT provides a one-stop "factory-station-network-river-shore" whole process monitoring solution. This paper mainly studies the application of IOT sensing technology in smart drainage, and adopts a systematic overall solution to dynamically monitor and quantitatively evaluate the whole process of drainage pipe network, river system and urban waterlogging, which provides systematic data support for "controlling pollution, diverting rain and sewage, cleaning up the source, and renovating black and odorous water bodies", speeding up the positioning of pipe network problems, promoting the renovation of black and odorous water bodies and reducing the harm of urban waterlogging.