Pollution Source Analysis of KL River Basin in Hefei

Abstract

To analysis the status of regional natural environment in KL River basin, and the establishment of pollution source survey list, to classify the pollution sources in the river basin, estimated the emissions of point source and non-point source pollution in the basin and discharge to river. It turns out that the pollution sources were mainly non-point source pollution, including rural domestic pollution, livestock and poultry pollution, agricultural pollution, urban surface runoff pollution and aquaculture pollution. In the amount of pollutant emissions, large-scale livestock and poultry breeding accounted for 74.8% of the total annual CODCr emissions, 35.62% of the total NH3-N emissions, 39.14% of the total TN emissions and 71.46% of the total TP emissions. It is the main source of regional pollutants. Hereby this paper analyzed the source of the pollutant in the basin.