Analysis on the Present Situation of the Water Quality of Nanpan River (Huaning Section) and its Prevention and Control

Based on the analysis of the variation trend of the water environment in Nanpan River (Huaning section) from 2016 to 2019,the results showed that the water environment in Huaning section was degrading. The total phosphorus is the major pollutant that has exceeded the standard. It was mainly from non-point source domestic pollution and non-point source agricultural pollution. The corresponding measures to control the water damage were proposed.