Lok Sabha Question No. 1449 (UNSTARRED), answered on 2026-02-09
Subject: National  Water Quality Monitoring Programme
Ministry: ENVIRONMENT, FOREST AND CLIMATE CHANGE
Asked by: Smt. Bharti Pardhi, Dr. Shrikant Eknath Shinde, Shri Ravindra Dattaram Waikar, Shri Shrirang Appa Chandu Barne, Shri Naresh Ganpat Mhaske

## GOVERNMENT OF INDIA MINISTRY OF ENVIRONMENT, FOREST AND CLIMATE CHANGE

## LOK SABHA UNSTARRED QUESTION NO. 1449

TO BE ANSWERED ON 09.02.2026

## National  Water Quality Monitoring Programme

## 1449.   DR. SHRIKANT EKNATH SHINDE:

SHRI RAVINDRA DATTARAM WAIKAR:

SMT. BHARTI PARDHI:

SHRI NARESH GANPAT MHASKE:

SHRI SHRIRANG APPA CHANDU BARNE:

Will the Minister of ENVIRONMENT, FOREST AND CLIMATE CHANGE be pleased to state:

- (a) the  details  of  the  number  of  monitoring  stations  established  and  operational  across  the country under the National Water Quality Monitoring Programme (NWQMP), State-wise;
- (b) the data on the water quality assessments conducted under the NWQMP since 2019 and the parameters monitored, State and year-wise;
- (c) the collaboration with the international organizations, private sector entities to enhance the accuracy and reliability of water quality data collected across its monitoring stations under the NWQMP;
- (d) the measures have been taken under the NWQMP to address contamination of water sources, such as rivers, lakes and groundwater in identified polluted areas; and
- (e) whether the  Government is considering  to  expand the  network  of monitoring  stations  to cover more water bodies, especially in rural and underserved regions and include additional water quality parameters, such as emerging contaminants, under the monitoring framework of the NWQMP, if so, the details thereof?

## ANSWER

MINISTER OF STATE IN THE MINISTRY OF ENVIRONMENT, FOREST AND CLIMATE CHANGE (SHRI KIRTI VARDHAN SINGH)

(a): The  State  wise  details  of  number  of  monitoring  network  across  the country  under  the National Water Quality Monitoring Network (NWQMP) are attached at Annexure-I

(b) : Under NWMP, as per the Guidelines on Water Quality Monitoring 2017, General & core and bacteriological parameters monitored bimonthly, heavy metals and pesticides parameters are monitored twice in a year. The State wise data on water quality and details of parameters monitored are available at CPCB website https://cpcb.nic.in/nwmp-data/.

(c): Initially,  CPCB  implemented  water  quality  monitoring  program  under  the  Global Environment Monitoring  System  (GEMS-Water Programme), an  international  initiative  of UNEP  and  WHO,  during  the  late  1970s,  aimed  at  generating  reliable,  standardized  and comparable  water  quality  data  at  the  global  level.  However,  there  is  no  collaboration  with international agencies at present under NWMP.

(d): Steps  taken  by  the  government  under  NWQMP  for  prevention  and  control  of  water pollution are given below:-

-  The water quality data under National Water Quality Monitoring Programme (NWMP) is utilized for identification of PRS based on the level of organic load which is measured in terms of biochemical oxygen demand (BOD) concentration. The PRS are classified under Priority Class I to Priority Class V, Priority I being most polluted with BOD value of more than 30 mg/l and Priority V being least polluted with BOD ranging between 3 - 6 mg/l.
-  CPCB has identified Polluted River Stretches (PRS) and published reports in 2018, 2022 and  2025. Based  on the identified PRS and for the  rejuvenation of these  PRS all State Governments  and  UT  Administrations  have  formed  River  Rejuvenation  Committees (RRCs) of the concerned states/ UTs; the RRC functions under the overall supervision and coordination of the Principal Secretary, Environment.
-  The RRCs were responsible for developing action plans for the rejuvenation of the PRS identified by CPCB during the year 2018 for their respective states/ UTs. The action plans including  Industrial  pollution  control  were  prepared  for  bringing  the  water  quality  of polluted river stretches to the quality level fit for bathing purposes (i.e. BOD ˂ 3 mg/L).
-  Progress of implementation of action plans are reviewed by the  RRC at state level and Central Monitoring Committee (CMC) constituted under the Chairmanship of Secretary, Ministry of Jal Shakti at Central Level.

(e): The  monitoring  framework  of  the  National  Water  Quality  Monitoring  Programme (NWMP) will be decided based on water sampling data in locations/stretches of water bodies, which are identified as not meeting the Primary Water Quality criterion for outdoor bathing for Biochemical Oxygen Demand (BOD)

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## State-wise details of monitoring network under NWMP

| State                                 | River   | Lake   | Pond   | Tank   | Wetland   | Canal   | Drain   | Ground Water   | Reservoir   | Creek/ Coastal/ Marine/ Sea   | STP   | Water Treat ment Plant ( Raw Water)   |   Grand Total |
|---------------------------------------|---------|--------|--------|--------|-----------|---------|---------|----------------|-------------|-------------------------------|-------|---------------------------------------|---------------|
| Andhra Pradesh                        | 45      | 16     | -      | 3      | 21        | 5       | 4       | 61             | 5           | 27                            | 1     | -                                     |           188 |
| Arunachal Pradesh                     | 17      | -      | -      | -      | -         | -       | -       | -              | -           | -                             | -     | -                                     |            17 |
| Assam                                 | 112     | 34     | 24     | -      | 2         | -       | -       | 67             | -           | -                             | -     | -                                     |           239 |
| Bihar                                 | 96      | 3      | 2      | -      | -         | -       | -       | 70             | -           | -                             | -     | -                                     |           171 |
| Chandigarh                            | -       | 1      | -      | -      | -         | -       | 3       | 7              | -           | -                             | -     | -                                     |            11 |
| Chhattisgarh                          | 29      | -      | 1      | -      | -         | -       | -       | 8              | 1           | -                             | -     | -                                     |            39 |
| Daman And Diu, Dadra And Nagar Haveli | 13      | -      | -      | -      | -         | -       | -       | 12             | -           | -                             | -     | -                                     |            25 |
| Delhi                                 | 12      | 3      | -      | -      | -         | 2       | 26      | 45             | -           | -                             | -     | 6                                     |            94 |
| Goa                                   | 32      | 44     | -      | -      | -         | 3       | -       | 9              | 2           | 24                            | 1     | -                                     |           115 |
| Gujarat                               | 65      | 17     | 2      | -      | 3         | 3       | -       | 88             | 4           | 3                             | 2     | -                                     |           187 |
| Haryana                               | 23      | 4      | 1      | -      | 1         | 14      | 1       | 29             | -           | -                             | -     | 3                                     |            76 |
| Himachal Pradesh                      | 156     | 5      | 1      | -      | -         | -       | 32      | 55             | 1           | -                             | -     | -                                     |           250 |
| Jammu &Kashmir                        | 63      | 36     | -      | -      | 10        | -       | 2       | 23             | -           | -                             | -     | -                                     |           134 |
| Jharkhand                             | 65      | 4      | 4      | -      | -         | -       | -       | 3              | -           | -                             | -     | -                                     |            76 |
| Karnataka                             | 126     | 151    | 1      | 67     | -         | -       | -       | 2              | 6           | -                             | -     | -                                     |           358 |
| Kerala                                | 138     | 29     | 7      | -      | -         | 3       | 1       | 35             | -           | -                             | 1     | -                                     |           219 |
| Lakshadweep                           | -       | -      | 3      | -      | -         | -       | -       | 42             | -           | -                             | -     | -                                     |            45 |
| Madhya Pradesh                        | 211     | 20     | 11     | 1      | -         | -       | -       | 54             | 8           | -                             | -     | -                                     |           305 |

## Annexure - I

| Maharashtra   |   181 |   1 | -   | -   | -   | -   | 10   | 50   | 1   | 35   | -   | -   |   278 |
|---------------|-------|-----|-----|-----|-----|-----|------|------|-----|------|-----|-----|-------|
| Manipur       |    44 |   5 | 14  | -   | -   | 2   | -    | 10   | -   | -    | -   | -   |    75 |
| Meghalaya     |    64 |   7 | -   | -   | -   | -   | -    | 13   | -   | -    | -   | -   |    84 |
| Mizoram       |    67 |   6 | 13  | -   | -   | -   | -    | 26   | 9   | -    | -   | -   |   121 |
| Nagaland      |    32 |   6 | -   | -   | -   | -   | -    | 10   | -   | -    | -   | -   |    48 |
| Odisha        |   156 |   7 | 10  | -   | 4   | 11  | 3    | 100  | 6   | 90   | 3   | -   |   390 |
| Puducherry    |     6 |   3 | -   | -   | -   | -   | -    | 22   | -   | 3    | -   | -   |    34 |
| Punjab        |    66 |  17 | 6   | -   | -   | 2   | 10   | 46   | -   | -    | 8   | -   |   155 |
| Rajasthan     |    30 |  27 | 2   | -   | -   | 5   | -    | 131  | 7   | -    | -   | -   |   202 |
| Sikkim        |    28 |   2 | -   | -   | -   | -   | -    |      | -   | -    | -   | -   |    30 |
| Tamil Nadu    |    71 |   8 | -   | 1   | 13  | 2   | 4    | 22   | -   | 34   | 16  | -   |   171 |
| Telangana     |    49 | 100 | 29  | 30  | -   | -   | 2    | 48   | 7   | -    | 8   | -   |   273 |
| Tripura       |    38 |   8 | 10  | -   | -   | 7   | -    | 57   | -   | -    | -   | -   |   120 |
| Uttar Pradesh |   121 |   7 | 2   | -   | 3   | 1   | -    | 39   | 1   | -    | -   | 2   |   176 |
| Uttarakhand   |    44 |   2 | -   | -   | 1   | 3   | -    | 19   | -   | -    | -   | -   |    69 |
| West Bengal   |    60 |  14 | -   | -   | 2   | 2   | -    | 68   | -   | 1    | -   | -   |   147 |
| Grand Total   |  2260 | 587 | 143 | 102 | 60  | 65  | 98   | 1271 | 58  | 227  | 40  | 11  |  4922 |

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