Method for treating river water environment in city

The invention discloses a method for treating a river water environment in a city. Environmental treatment is carried out according to the steps of drainage system inspection, supervision system establishment, data analysis, treatment scheme determination, treatment scheme implementation, treatment result evaluation and drainage system monitoring. The city drainage system information model is set up and connected with the water quality monitoring system to form the water environment monitoring system, the monitoring system is used for assisting water environment treatment construction, the water environment is monitored in real time after treatment, it is guaranteed that the water quality of water in a city meets the requirement, and then the urban environment is improved; the drainage system and the inland river are treated by the existing drainage system, so that the cost input is effectively reduced, and the treatment efficiency can be effectively improved; the treatment method has high general applicabili