The Greater Mohali Area Development Authority has started the testing of a 10 million gallon per day capacity sewage treatment plant constructed in the proposed Sector 83 of SAS Nagar. This is the first sewage treatment plant developed in SAS Nagar that will cater to the residential as well as industrial sectors up to Sector 82 in SAS Nagar. The capacity of the plant will subsequently be extended to 15 million gallon per day, as and when the need arises. The plant is constructed in approximately 23 acres. The construction work of the plant was allotted to M/s Enviro Control Associates (India) Private Ltd, Surat, on 15-2-2006, with an estimated cost of Rs 20.30 crore. The cost includes construction of the plant as well as its operation and maintenance for a period of five year after the date of completion.