This dataset represents the treatment of wastewater generated by general transformation activities. The average COD content of domestic sewage in Shangrao City, Jiangxi Province is 0.1358 kg/m3, and the BOD is 0.0529 kg/m3. The wastewater treatment process shares in this region are: Carrousel oxidation ditch 56.08%, oxidation ditch 29.37%, Orbal oxidation ditch 8.46%, secondary biochemical treatment 6.1%.