This dataset represents the treatment of wastewater generated by general transformation activities. The average COD content of domestic sewage in Tacheng Prefecture, Xinjiang Uygur Autonomous Region is 0.0863 kg/m3, and the BOD is 0.2608 kg/m3. The wastewater treatment process shares in this region are: A/O 40.37%, biochemical treatment 31.13%, activated sludge process 28.5%.