Water is a vitalizing force for sustaining life on earth. About 1/3rd of world?s population depend on groundwater sources for survival. The individual requirements of water are 135 liters per day, equivalent to 49,275 liters per annum. With steady increasing population and increase in demand for water, the management for water has become a topic of serious concern. There are various techniques of wastewater management which improve the quality of water and which can be used for many purposes. . Decentralized water management is one such solution. With limited water sources in ground and limited space for disposal of waste water, the colleges and connected hostels find the problem of wastewater dumping and unavailability of safe drinking water. Setting up of treatment plants in and around the areas of institutions can control the problem of water scarcity. Many companies have made research and have succeeded in discovering more innovative methods and technologies for wastewater treatment.