Waste water in the Anna University campus is being disposed off by means of septic tanks; nowadays these septic tanks are not sufficient for disposal of these waste waters. Based on the waste water analysis and report which depend upon the characteristics of the raw sewage it has been decided to construct activated sludge process treatment plant in the university campus to protect the good environmental conditions. The treatment unit process consists of screening chamber, grit chamber, primary treatment, aeration tank, secondary treatment and sludge disposal etc. The treatment plant will be designed for an ultimate period of 30 years with CPHEEO norms. The treated waste water shall be utilized for developing the plants, trees and landscaping works in the university campus.