This dataset represents the treatment of wastewater generated by general transformation activities. The average COD content of domestic sewage in Changji Hui Autonomous Prefecture, Xinjiang Uygur Autonomous Region is 0.1376 kg/m3, and the BOD is 0.2437 kg/m3. The wastewater treatment process shares in this region are: oxidation ditch 43.69%, A²/O 13.96%, BAF aerated biofilter 12.01%, Carrousel oxidation ditch 11.89%, SBR 8.62%, others 9.83%.