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GOVERNMENT OF INDIA
MINISTRY OF ENVIRONMENT, FOREST AND CLIMATE CHANGE
LOK SABHA
UNSTARRED QUESTION NO. 2558
TO BE ANSWERED ON 09.03.2026
Capacity of Sewage Treatment Plants
2558. SHRI NAVEEN JINDAL:
Will the Minister of ENVIRONMENT, FOREST AND CLIMATE CHANGE be pleased to
state:
(a) the total quantity of sewage generated daily in the country, vis-a-vis installed capacity
of Sewage Treatment Plants (STPs), State/UT-wise;
(b) the total operationalised capacity of STPs in the country, State/UT-wise;
(c) whether certain States/UTs do not have sufficient number of STPs and if so, the reasons
therefor; and
(d) the remedial steps taken/being taken by the Government to maximise treatment of
sewage and reuse of treated water along with the result thereof?
ANSWER
MINISTER OF STATE IN THE MINISTRY OF ENVIRONMENT, FOREST AND
CLIMATE CHANGE
(SHRI KIRTI VARDHAN SINGH)
(a) to (d)
Central Pollution Control Board (CPCB) carried out inventorization of Sewage Treatment
Plants (STPs) for the year 2020 with the help of State Pollution Control Boards (SPCBs) /
Pollution Control Committees (PCCs) of Union Territories & Local Bodies and prepared report
titled “National Inventory of Sewage Treatment Plants in India-2021”.The state-wise
assessment of the sewage generation, installed capacity for sewage treatment and operational
treatment capacity in urban centres across the country is attached as Annexure-I.
The remedial steps taken/being taken by the Government to maximise treatment of sewage and
reuse of treated water are as below:• CPCB directed all SPCBs/PCCs under Section 18(1)(b) of The Water (Prevention &
Control of Pollution) Act, 1974 to direct concerned agencies in the State/UT to develop
infrastructure for sewage treatment.
• CPCB issued directions under Section 5 of The Environment (Protection) Act, 1986 to
Municipal Corporations of 46 Metropolitan cities and 20 State Capitals for Treatment and
Utilization of Sewage for Restoration of Water Quality of River.
• CPCB issued directions under section 18 (1) (b) of the Water (Prevention and Control of
Pollution), Act, 1974 to all SPCBs/PCCs for installation of Online Continuous Effluent
Monitoring System (OCEMS) for self-surveillance of Sewage Treatment Plants.
In addition, sewerage infrastructure is created under programs like Atal Mission for
Rejuvenation & Urban Transformation (AMRUT) and Smart Cities Mission of Ministry of
Housing & Urban Affairs. Under AMRUT, 890 sewerage/ septage management projects worth
₹34,505 crore have been grounded through which 4,447 Million Litre per Day (MLD) sewage
treatment capacity (new/augmented) has been created of which 1,437 MLD capacity has been
developed for recycle/reuse.
Under AMRUT 2.0, 592 sewerage/septage projects worth ₹67,607.67 crore have been
approved by Ministry of Housing and Urban Affairs (MoHUA) so far. Approved projects cover
6,739 MLD sewage treatment capacity (new/augmentation) of which 2,093 MLD sewage
treatment capacity is for recycle/reuse.
MoHUA has also launched "Jal Hi AMRIT" initiative under AMRUT 2.0 reforms, which aims
to incentivize States and Union Territories (UTs) to efficiently manage sewage treatment plants
for recyclable treated water meeting environmental standards on sustained basis. The focus of
this initiative is to build capacity and incentivizing qualitative improvements in the treated
discharge effluent. This initiative is targeted to create opportunities for suitable reuse of water,
contributing to the overall goal of water security through increasing water availability under
the Mission.
*****Annexure-I
State-wise Sewage Generation and Treatment Capacity of Urban Centers-India
States / UTs Sewage Installed Operational Actual
Generation (in Capacity Treatment Utilization of
MLD) (in MLD) Capacity Installed
(in MLD) Capacity (in
MLD)
Andaman &
23 0 0 0
Nicobar Islands
Andhra Pradesh 2882 833 443 309
Arunachal
62 0 0 0
Pradesh
Assam 809 0 0 0
Bihar 2276 10 0 0
Chandigarh 188 293 271 235
Chhattisgarh 1203 73 73 6
Dadra & Nagar
67 24 24 7
Haveli
Goa 176 66 44 25
Gujarat 5013 3378 3358 2687
Haryana 1816 1880 1880 1284
Himachal Pradesh 116 136 99 51
Jammu & 665 218 93 49
Kashmir
Jharkhand 1510 22 22 15
Karnataka 4458 2712 1922 1786
Kerala 4256 120 114 47
Lakshadweep 13 0 0 0
Madhya Pradesh 3646 1839 684 536
Maharashtra 9107 6890 6366 4242
Manipur 168 0 0 0
Meghalaya 112 0 0 0
Mizoram 103 10 0 0
Nagaland 135 0 0 0
NCT of Delhi 3330 2896 2715 2412
Orissa 1282 378 55 50
Pondicherry 161 56 56 30
Punjab 1889 1781 1601 1360
Rajasthan 3185 1086 783 478
Sikkim 52 20 18 14
Tamil Nadu 6421 1492 1492 995
Telangana 2660 901 842 706
Tripura 237 8 8 1.5
Uttar Pradesh 8263 3374 3224 2510
Uttarakhand 627 448 345 187
West Bengal 5457 897 337 213
Total 72368 31841 26869 20235
Note:
(i) Sewage Generation is estimated based on Water supply @ 185lpcd and rate of sewage
generation as 80 %.
(ii) Sewage generation for NCT of Delhi is estimated based on their 80 % of water supply of
925 MGD