Investigation of Pollution Source Load Emissions and Measures of Precise Prevention of Yuanjiang County
This paper investigated the pollution source structure and emission status of the year of 2020 in Yuanjiang County.The investigation indicated that the main source of pollutant emissions was non-point sources.The emissions of COD,NH3-N,TN,and TP from non-point sources accounted for 76.63％,94.50％,91.07％,and 97.01％of the total emissions,respectively.The emissions of agricultural fertilizers accounted for 26.1％,65.3％,50.9％,and 65.5％of the total emissions,respectively.In response to the fact that non-point source pollution was the main problem affecting the water environment quality of Yuanjiang River,it was proposed to strengthen agricultural non-point source control,to deepen urban-rural point source control,to implement pollution control in 174 villages along the river,to promote the construction of waste incineration power plants(200 t/d),and to implement five precise prevention and control measures for soil erosion control and ecological restoration of 48.2 km2 in dry and hot river valleys.
Yuanjiang Countythe amount of the pollution emissionsprecise prevention and controlcountermeasures
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