Parliament Question: Status of Sewage Treatment Plants in Tamil Nadu

GOVERNMENT OF INDIA MINISTRY OF HOUSING AND URBAN AFFAIRS LOK SABHA UNSTARRED QUESTION NO. 3133 TO BE ANSWERED ON AUGUST 07, 2025 STATUS OF SEWAGE TREATMENT PLANTS IN TAMIL NADU NO. 3133. DR. GANAPATHY RAJKUMAR P:

Will the Minister of HOUSING AND URBAN AFFAIRS be pleased to state:

(a) the total number of sewage treatment plants set up and those out of these functioning in Tamil Nadu as on date under Atal Mission for Rejuvenation and Urban Transformation (AMRUT);

(b) the total funds earmarked, released and spent on each sewage treatment plant, plant-wise;

(c) whether the Government has released any fund for setting up Common Effluent Treatment Plants in Tamil Nadu and if so, the details thereof; and

(d) the total number of such Common Effluent Treatment Plants set up in Tamil Nadu under AMRUT? ANSWER THE MINISTER OF STATE IN THE MINISTRY OF HOUSING AND URBAN AFFAIRS (SHRI TOKHAN SAHU)

(a) to (d): Sanitation is State subject; and setting up and management of Sewerage Treatment Plants (STP)/ Common Effluent Treatment Plants

(CETP) is the responsibility of the State Governments and concerned Urban Local Bodies (ULBs)/ Urban Development Authorities. Government of India supplements the efforts of the States through schematic interventions/ advisories. It provides financial and technical support to the States through various schemes/ Missions such as Atal Mission for Rejuvenation and Urban Transformation (AMRUT) and AMRUT 2.0.

Under AMRUT, States/ Union Territories (UTs) are empowered to select, appraise, prioritise and implement the projects. Maintenance of project after their completion is also the responsibility of State Governments/ ULBs.

As reported by the State on AMRUT portal, 18 sewerage and septage management projects worth ₹5,670.8 crore have been grounded under AMRUT. Under AMRUT 289.97 Million Litre per Day (MLD) STP capacity have been developed and projects for development of 210.03 MLD STP capacity are at implementation stage. The State has not taken Common Effluent Treatment Plants under AMRUT.

…2/--2- Funds under AMRUT are allocated/released to the State/UTs and not projects wise. Project-wise details of approved cost of the projects in sewerage and septage management sector under AMRUT are at Annexure.

*****ANNEXURE REFERRED TO IN REPLY TO PART (a) to (d) OF UNSTARRED QUESTION NO. 3133 REGARDING “STATUS OF SEWAGE TREATMENT PLANTS IN TAMIL NADU”, DUE FOR ANSWER IN THE LOK SABHA ON

07.08.2025.

Grounded Projects in Sewerage and Septage Management Sector under AMRUT S.No. City Name of the Project Total Status Project Cost (In ₹. Cr.) 1 Ambur Underground Sewerage 165.55 Work Completed 2 Chennai Construction of 45 MLD 440 Work Completed Capacity TTRO Plant at Koyambedu including Transmission Main for Conveying Product Water to SIPCOT Industries in Sriperumpudur 3 Chennai Construction of 45MLD 330 Work Completed capacity TTRO plant at Kodungaiyur and conveying treated water to various industries at Manali – Ennore corridor and Manali – Minjur corridor near Chennai 4 Chennai UGSS 795.89 Work Completed 5 Kumbakonam Provision of UGSS 67.8 Work Completed 6 Pallavaram Providing Underground 25.37 Work Completed Sewerage System in unsewered Areas And Newly Developed Areas – Pallavapuram Municipality 7 Rajapalayam Underground Sewerage 251.24 Work Completed 8 Rameshwara Underground Sewerage at 52.6 Work Completed m Rameswaram 9 Velankanni Underground Sewerage 30.51 Work Completed Scheme of Velankanni Town Panchayat 10 Chennai Underground Sewerage at 245 At implement- Chennai ation stage 11 Coimbatore Underground Sewerage at 465.02 At implement- Coimbatore ation stageS.No. City Name of the Project Total Status Project Cost (In ₹. Cr.) 12 Tiruchirappalli Underground Sewerage - 378 At implement- Phase II Area ation stage 13 Tiruchirappalli Underground Sewerage – 335.07 At implement- Phase – III ation stage 14 Tirunelveli Underground Sewerage - 291.8 At implement- Phase I Area ation stage 15 Tirunelveli Underground Sewerage 440.19 At implement- Phase III ation stage 16 Tiruppur UGSS Phase II 636.4 At implement- ation stage 17 Vellore Underground Sewerage - 343.51 At implement- Phase II Area ation stage 18 Vellore Underground Sewerage 376.85 At implement- Phase III ation stage