The drainage department of the Surat Municipal Corporation provides the necessary infrastructure to carry the sewerage from domestic and industrial establishments of the city to the treatment plants, treating it and then disposing it appropriately.

To provide a better quality of life and to make Surat a self reliant and sustainable city with all basic amenities, our commitment is for 100% coverage in terms of geographical areas and population for the year 2005, by providing a comprehensive sewerage system by the end of December 2005.

Surat Municipal Corporation has prepared a master plan for comprehensive sewerage system (more than 500 Km of sewers and 6 sewage treatment works) to serve not only the domestic and commercial but also the industrial developments for the year 2021. Wastewater generated from all this developments is collected by a network of underground sewers and pumping stations and conveyed to sewage treatment works for physical and biological treatment to meet the parameters prescribed by the Gujarat Pollution Control Board before discharge into nearest water course.

Out of the total city area of 112.27 sq.km., 90.54 % area and 94.68 % of the present population have been covered with sewerage systems.

The functions of the Department include Planning, designing, estimating, tendering, executing and operating as well as maintaining the sewerage systems which consists of sewerage network, sewage pumping stations, sewage pumping mains, sewage treatment and effluent disposal works etc.

At present, there are 6 (six) nos. of Sewage Treatment Plant and 28 nos. of Sewage Pumping Stations. Out of these 6 (six) sewage treatment plants, the operation & maintenance of 4 (four)  sewage treatment plants located at Bhatar Singanpore, Bamroli and Karanj is carried out by private agencies , while the remaining 2 (two) sewage treatment plants located at Anjana and Bhesan and all the pumping stations are operated and maintained by the department. The contractual cost for the operation & maintenance of sewage treatment plant at Bhatar, Singanpore, Bamroli and Karanj , is Rs. 192.0 Lacs, per annum, which includes the cost of spares and all other consumables except the cost of Chlorine and energy.

Surat Municipal Corporation gives the contract for desisting of manholes and drainage lines in the different parts of the city to the private agencies.

Performance Indicators, Facilities and Plans, Treatment Plants, Pumping Stations.