Dyers Association of Tirupur (DAT), an association registered under Tamilnadu Societies Act, 1975, has been functioning for the development of wet processing sector in textiles at Tirupur, Tamilnadu since 1984. At present, there are 360 dyeing units functioning in and around Tirupur. Out of this, there are 60 IETPs ( Individual Effluent Treatment Plants) are functioning with their own ETP within their campus and remaining dyeing units grouped on their geographical location have formed 18 Common Effluent Treatment Plants (CETPs) for treatment of effluent being generated in the member dyeing units of CETPs. Zero Liquid Discharge (ZLD) system has been implemented in all CETPs and IETPs. The ZLD system facilitates recycling of water and no water is discharged outside the premises of CETPs and IETPs. The preservation of water accounts for around 12 crore liters daily by recycling (CETPs 10 cr litre + IETPs 2 cr litre). Thus the CETPs and IETPs are contributing to the society and environment by preventing pollution of water bodies/rivers and preserving water.