This dataset represents the treatment of wastewater generated by general transformation activities. The average COD content of domestic sewage in Binzhou City, Shandong Province is 0.2393 kg/m3, and the BOD is 0.1492 kg/m3. The wastewater treatment process shares in this region are: A²/O 44.27%, DE oxidation ditch 28.37%, A/O 11.08%, SBR 4.86%, Orbal oxidation ditch 4.18%, others 7.24%.