Causes of river pollution

River pollution is the phenomenon of deterioration of river water quality caused by pollutants discharged directly or indirectly into the river.

The causes are:1. China's water environment problems and their influencing factors , China's water environment is faced with multiple pressures such as water pollution, water shortage and flooding. Water pollution exacerbates the shortage of water resources, water ecosystem damage prompted by frequent floods.2. Key problems facing the prevention and control of water pollution in key river basins , the progress of water pollution prevention and control in key river basins is still relatively slow, and the results achieved are very fragile. Some problems exposed in practice fully illustrate that China's current and future period of water pollution prevention and control of watersheds still face serious challenges. 3. Economic policy mismatch, pollution control funds are seriously short .