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February 28, 2024
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Monitoring Water Quality of Major Rivers by CPCB

Ashwini Kumar

Ashwini Kumar Choubey, Minister of State for Consumer Affairs, Food & Public Distribution & Environment, Forest & Climate Change

Central Pollution Control Board (CPCB) monitors water quality of 719 rivers at 2108 monitoring locations across 28 States and 7 Union Territories spread over the country under National Water Quality Monitoring Programme (NWMP) in association with the State Pollution Control Boards (SPCBs)/Pollution Control Committees (PCCs). State Wise Water Quality Monitoring locations monitored under NWMP is given at Annexure I.

The rivers are monitored on monthly or quarterly basis. Water Quality for various parameters is assessed as per “Guidelines for Water Quality Monitoring, 2017” issued by MoEF&CC. Micro pollutants such as metals and pesticides are monitored twice in a year, before and after monsoon.

From analysis of data on water quality of 521 rivers in September 2018 by CPCB, it was revealed that there are 351 polluted river stretches on 323 rivers based on exceedance of Bathing Water Quality Criteria parameter of Bio-chemical Oxygen Demand (BOD) (3.0 mg/l). Details of identified polluted river stretches are given in Annexure II.  Accordingly, for rejuvenation of identified polluted rivers, action plans have been prepared by four-member Committee called “River Rejuvenation Committee’’ (RRC) constituted by the respective State Government/UT Administration, under the overall supervision and coordination of Principal Secretary, Environment of the concerned State/Union Territory. Prepared action plans covers aspects such as Source control (Municipal sewage management, Industrial pollution control, Waste management), River catchment/Basin Management (Adoption of good irrigation practices, Utilization of treated sewage, Ground water recharge aspects), Flood Plain Zone protection and its management (Setting up of bio-diversity parks, Removal of encroachments, Rain water harvesting, Plantation on both sides of the river), Ecological/Environmental Flow (E-Flow) and Watershed management.

The Regional Offices of State Pollution Control Board/ Pollution Control Committees monitor the water quality of rivers and other aquatic resources. Upon completion of the monitoring and analysis, the water quality data is submitted to the respective SPCBs/PCCs. Further an online submission of data to CPCB is done through Environmental water quality data entry system (EWQDS) Portal.   

This information was given by the Minister of State for Environment, Forest & Climate Change, Shri Ashwini Kumar Choubey in a written reply in Rajya Sabha today.

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HS/PD

Annexure I

State-Wise Water Quality Monitoring locations monitored under NWMP

STATERIVER
ANDHRA PRADESH48
ARUNACHAL PRADESH29
ASSAM96
BIHAR96
CHANDIGARH
CHHATTISGARH29
DAMAN AND DIU13
DELHI12
GOA33
GUJARAT67
HARYANA22
HIMACHAL PRADESH148
JAMMU & KASHMIR63
JHARKHAND65
KARNATAKA109
KERALA132
LAKSHADWEEP
MADHYA PRADESH158
MAHARASHTRA162
MANIPUR41
MEGHALAYA64
MIZORAM46
NAGALAND19
ODISHA133
PUDUCHERRY6
PUNJAB59
RAJASTHAN35
SIKKIM25
TAMIL NADU86
TELANGANA60
TRIPURA38
UTTAR PRADESH114
UTTARAKHAND40
WEST BENGAL60
TOTAL2108

Annexure – II

State-Wise & Priority wise number of Polluted River Stretches

S. No.STATE/UNION TERRITORYPRIORITYGrand Total
IIIIIIIVV
1ANDHRA PRADESH235
2ASSAM31433344
3BIHAR156
4CHHATTISGARH415
5DAMAN, DIU AND DADRA NAGAR HAVELI11
6DELHI11
7GOA12811
8GUJARAT5126620
9HARYANA22
10HIMACHAL PRADESH11147
11JAMMU & KASHMIR12249
12JHARKHAND347
13KARNATAKA47617
14KERALA151521
15MADHYA PRADESH31131422
16MAHARASHTRA9614101453
17MANIPUR189
18MEGHALAYA2327
19MIZORAM1359
20NAGALAND11226
21ODISHA1321319
22PUDUCHERRY112
23PUNJAB2114
24RAJASTHAN112
25SIKKIM44
26TAMIL NADU4116
27TELANGANA122218
28TRIPURA66
29UTTAR PRADESH412512
30UTTARAKHAND31149
31WEST BENGAL1134817
Grand Total45164372175351

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