Sewage (wastewater) discharged from pollution sources cannot meet the requirements of discharge standards or environmental capacity because of its high total amount or concentration of pollutants, thus reducing the water environmental quality and functional objectives, and must be treated manually. This place is a sewage treatment plant, also called a sewage treatment station. Under the guidance of the overall campus planning, Nanhu Avenue Sewage Treatment Plant, according to the overall campus layout and drainage planning, combined with the nearby site and terrain, reasonably arranges sewage treatment for environmental protection, makes full use of land, intercepts sludge and dust, and avoids secondary pollution.